diff options
Diffstat (limited to 'Documentation')
99 files changed, 1017 insertions, 637 deletions
diff --git a/Documentation/ABI/testing/sysfs-block b/Documentation/ABI/testing/sysfs-block index 7710d4022b19..dfad7427817c 100644 --- a/Documentation/ABI/testing/sysfs-block +++ b/Documentation/ABI/testing/sysfs-block @@ -279,3 +279,12 @@ Description: size in 512B sectors of the zones of the device, with the eventual exception of the last zone of the device which may be smaller. + +What: /sys/block/<disk>/queue/io_timeout +Date: November 2018 +Contact: Weiping Zhang <zhangweiping@didiglobal.com> +Description: + io_timeout is the request timeout in milliseconds. If a request + does not complete in this time then the block driver timeout + handler is invoked. That timeout handler can decide to retry + the request, to fail it or to start a device recovery strategy. diff --git a/Documentation/ABI/testing/sysfs-block-zram b/Documentation/ABI/testing/sysfs-block-zram index 9d2339a485c8..14b2bf2e5105 100644 --- a/Documentation/ABI/testing/sysfs-block-zram +++ b/Documentation/ABI/testing/sysfs-block-zram @@ -122,11 +122,18 @@ Description: statistics (bd_count, bd_reads, bd_writes) in a format similar to block layer statistics file format. +What: /sys/block/zram<id>/writeback_limit_enable +Date: November 2018 +Contact: Minchan Kim <minchan@kernel.org> +Description: + The writeback_limit_enable file is read-write and specifies + eanbe of writeback_limit feature. "1" means eable the feature. + No limit "0" is the initial state. + What: /sys/block/zram<id>/writeback_limit Date: November 2018 Contact: Minchan Kim <minchan@kernel.org> Description: The writeback_limit file is read-write and specifies the maximum amount of writeback ZRAM can do. The limit could be changed - in run time and "0" means disable the limit. - No limit is the initial state. + in run time. diff --git a/Documentation/block/bfq-iosched.txt b/Documentation/block/bfq-iosched.txt index 8d8d8f06cab2..98a8dd5ee385 100644 --- a/Documentation/block/bfq-iosched.txt +++ b/Documentation/block/bfq-iosched.txt @@ -357,6 +357,13 @@ video playing/streaming, a very low drop rate may be more important than maximum throughput. In these cases, consider setting the strict_guarantees parameter. +slice_idle_us +------------- + +Controls the same tuning parameter as slice_idle, but in microseconds. +Either tunable can be used to set idling behavior. Afterwards, the +other tunable will reflect the newly set value in sysfs. + strict_guarantees ----------------- diff --git a/Documentation/block/null_blk.txt b/Documentation/block/null_blk.txt index ea2dafe49ae8..4cad1024fff7 100644 --- a/Documentation/block/null_blk.txt +++ b/Documentation/block/null_blk.txt @@ -88,7 +88,8 @@ shared_tags=[0/1]: Default: 0 zoned=[0/1]: Default: 0 0: Block device is exposed as a random-access block device. - 1: Block device is exposed as a host-managed zoned block device. + 1: Block device is exposed as a host-managed zoned block device. Requires + CONFIG_BLK_DEV_ZONED. zone_size=[MB]: Default: 256 Per zone size when exposed as a zoned block device. Must be a power of two. diff --git a/Documentation/block/queue-sysfs.txt b/Documentation/block/queue-sysfs.txt index 39e286d7afc9..83b457e24bba 100644 --- a/Documentation/block/queue-sysfs.txt +++ b/Documentation/block/queue-sysfs.txt @@ -67,6 +67,13 @@ If set to a value larger than 0, the kernel will put the process issuing IO to sleep for this amount of microseconds before entering classic polling. +io_timeout (RW) +--------------- +io_timeout is the request timeout in milliseconds. If a request does not +complete in this time then the block driver timeout handler is invoked. +That timeout handler can decide to retry the request, to fail it or to start +a device recovery strategy. + iostats (RW) ------------- This file is used to control (on/off) the iostats accounting of the diff --git a/Documentation/blockdev/zram.txt b/Documentation/blockdev/zram.txt index 436c5e98e1b6..4df0ce271085 100644 --- a/Documentation/blockdev/zram.txt +++ b/Documentation/blockdev/zram.txt @@ -156,22 +156,23 @@ Per-device statistics are exported as various nodes under /sys/block/zram<id>/ A brief description of exported device attributes. For more details please read Documentation/ABI/testing/sysfs-block-zram. -Name access description ----- ------ ----------- -disksize RW show and set the device's disk size -initstate RO shows the initialization state of the device -reset WO trigger device reset -mem_used_max WO reset the `mem_used_max' counter (see later) -mem_limit WO specifies the maximum amount of memory ZRAM can use - to store the compressed data -writeback_limit WO specifies the maximum amount of write IO zram can - write out to backing device as 4KB unit -max_comp_streams RW the number of possible concurrent compress operations -comp_algorithm RW show and change the compression algorithm -compact WO trigger memory compaction -debug_stat RO this file is used for zram debugging purposes -backing_dev RW set up backend storage for zram to write out -idle WO mark allocated slot as idle +Name access description +---- ------ ----------- +disksize RW show and set the device's disk size +initstate RO shows the initialization state of the device +reset WO trigger device reset +mem_used_max WO reset the `mem_used_max' counter (see later) +mem_limit WO specifies the maximum amount of memory ZRAM can use + to store the compressed data +writeback_limit WO specifies the maximum amount of write IO zram can + write out to backing device as 4KB unit +writeback_limit_enable RW show and set writeback_limit feature +max_comp_streams RW the number of possible concurrent compress operations +comp_algorithm RW show and change the compression algorithm +compact WO trigger memory compaction +debug_stat RO this file is used for zram debugging purposes +backing_dev RW set up backend storage for zram to write out +idle WO mark allocated slot as idle User space is advised to use the following files to read the device statistics. @@ -280,32 +281,51 @@ With the command, zram writeback idle pages from memory to the storage. If there are lots of write IO with flash device, potentially, it has flash wearout problem so that admin needs to design write limitation to guarantee storage health for entire product life. -To overcome the concern, zram supports "writeback_limit". -The "writeback_limit"'s default value is 0 so that it doesn't limit -any writeback. If admin want to measure writeback count in a certain -period, he could know it via /sys/block/zram0/bd_stat's 3rd column. + +To overcome the concern, zram supports "writeback_limit" feature. +The "writeback_limit_enable"'s default value is 0 so that it doesn't limit +any writeback. IOW, if admin want to apply writeback budget, he should +enable writeback_limit_enable via + + $ echo 1 > /sys/block/zramX/writeback_limit_enable + +Once writeback_limit_enable is set, zram doesn't allow any writeback +until admin set the budget via /sys/block/zramX/writeback_limit. + +(If admin doesn't enable writeback_limit_enable, writeback_limit's value +assigned via /sys/block/zramX/writeback_limit is meaninless.) If admin want to limit writeback as per-day 400M, he could do it like below. - MB_SHIFT=20 - 4K_SHIFT=12 - echo $((400<<MB_SHIFT>>4K_SHIFT)) > \ - /sys/block/zram0/writeback_limit. + $ MB_SHIFT=20 + $ 4K_SHIFT=12 + $ echo $((400<<MB_SHIFT>>4K_SHIFT)) > \ + /sys/block/zram0/writeback_limit. + $ echo 1 > /sys/block/zram0/writeback_limit_enable -If admin want to allow further write again, he could do it like below +If admin want to allow further write again once the bugdet is exausted, +he could do it like below - echo 0 > /sys/block/zram0/writeback_limit + $ echo $((400<<MB_SHIFT>>4K_SHIFT)) > \ + /sys/block/zram0/writeback_limit If admin want to see remaining writeback budget since he set, - cat /sys/block/zram0/writeback_limit + $ cat /sys/block/zramX/writeback_limit + +If admin want to disable writeback limit, he could do + + $ echo 0 > /sys/block/zramX/writeback_limit_enable The writeback_limit count will reset whenever you reset zram(e.g., system reboot, echo 1 > /sys/block/zramX/reset) so keeping how many of writeback happened until you reset the zram to allocate extra writeback budget in next setting is user's job. +If admin want to measure writeback count in a certain period, he could +know it via /sys/block/zram0/bd_stat's 3rd column. + = memory tracking With CONFIG_ZRAM_MEMORY_TRACKING, user can know information of the diff --git a/Documentation/bpf/bpf_design_QA.rst b/Documentation/bpf/bpf_design_QA.rst index 6780a6d81745..7cc9e368c1e9 100644 --- a/Documentation/bpf/bpf_design_QA.rst +++ b/Documentation/bpf/bpf_design_QA.rst @@ -157,12 +157,11 @@ Q: Does BPF have a stable ABI? ------------------------------ A: YES. BPF instructions, arguments to BPF programs, set of helper functions and their arguments, recognized return codes are all part -of ABI. However when tracing programs are using bpf_probe_read() helper -to walk kernel internal datastructures and compile with kernel -internal headers these accesses can and will break with newer -kernels. The union bpf_attr -> kern_version is checked at load time -to prevent accidentally loading kprobe-based bpf programs written -for a different kernel. Networking programs don't do kern_version check. +of ABI. However there is one specific exception to tracing programs +which are using helpers like bpf_probe_read() to walk kernel internal +data structures and compile with kernel internal headers. Both of these +kernel internals are subject to change and can break with newer kernels +such that the program needs to be adapted accordingly. Q: How much stack space a BPF program uses? ------------------------------------------- diff --git a/Documentation/core-api/xarray.rst b/Documentation/core-api/xarray.rst index 6a6d67acaf69..5d54b27c6eba 100644 --- a/Documentation/core-api/xarray.rst +++ b/Documentation/core-api/xarray.rst @@ -108,12 +108,13 @@ some, but not all of the other indices changing. Sometimes you need to ensure that a subsequent call to :c:func:`xa_store` will not need to allocate memory. The :c:func:`xa_reserve` function -will store a reserved entry at the indicated index. Users of the normal -API will see this entry as containing ``NULL``. If you do not need to -use the reserved entry, you can call :c:func:`xa_release` to remove the -unused entry. If another user has stored to the entry in the meantime, -:c:func:`xa_release` will do nothing; if instead you want the entry to -become ``NULL``, you should use :c:func:`xa_erase`. +will store a reserved entry at the indicated index. Users of the +normal API will see this entry as containing ``NULL``. If you do +not need to use the reserved entry, you can call :c:func:`xa_release` +to remove the unused entry. If another user has stored to the entry +in the meantime, :c:func:`xa_release` will do nothing; if instead you +want the entry to become ``NULL``, you should use :c:func:`xa_erase`. +Using :c:func:`xa_insert` on a reserved entry will fail. If all entries in the array are ``NULL``, the :c:func:`xa_empty` function will return ``true``. @@ -183,6 +184,8 @@ Takes xa_lock internally: * :c:func:`xa_store_bh` * :c:func:`xa_store_irq` * :c:func:`xa_insert` + * :c:func:`xa_insert_bh` + * :c:func:`xa_insert_irq` * :c:func:`xa_erase` * :c:func:`xa_erase_bh` * :c:func:`xa_erase_irq` diff --git a/Documentation/devicetree/bindings/arm/amlogic.txt b/Documentation/devicetree/bindings/arm/amlogic.txt index 8dbc259081e4..7f40cb5f490b 100644 --- a/Documentation/devicetree/bindings/arm/amlogic.txt +++ b/Documentation/devicetree/bindings/arm/amlogic.txt @@ -109,6 +109,7 @@ Board compatible values (alphabetically, grouped by SoC): - "amlogic,s400" (Meson axg a113d) - "amlogic,u200" (Meson g12a s905d2) + - "amediatech,x96-max" (Meson g12a s905x2) Amlogic Meson Firmware registers Interface ------------------------------------------ diff --git a/Documentation/devicetree/bindings/arm/armadeus.txt b/Documentation/devicetree/bindings/arm/armadeus.txt deleted file mode 100644 index 9821283ff516..000000000000 --- a/Documentation/devicetree/bindings/arm/armadeus.txt +++ /dev/null @@ -1,6 +0,0 @@ -Armadeus i.MX Platforms Device Tree Bindings ------------------------------------------------ - -APF51: i.MX51 based module. -Required root node properties: - - compatible = "armadeus,imx51-apf51", "fsl,imx51"; diff --git a/Documentation/devicetree/bindings/arm/bcm/brcm,bcm2835.txt b/Documentation/devicetree/bindings/arm/bcm/brcm,bcm2835.txt index 0dcc3ea5adff..245328f36580 100644 --- a/Documentation/devicetree/bindings/arm/bcm/brcm,bcm2835.txt +++ b/Documentation/devicetree/bindings/arm/bcm/brcm,bcm2835.txt @@ -30,6 +30,10 @@ Raspberry Pi 2 Model B Required root node properties: compatible = "raspberrypi,2-model-b", "brcm,bcm2836"; +Raspberry Pi 3 Model A+ +Required root node properties: +compatible = "raspberrypi,3-model-a-plus", "brcm,bcm2837"; + Raspberry Pi 3 Model B Required root node properties: compatible = "raspberrypi,3-model-b", "brcm,bcm2837"; diff --git a/Documentation/devicetree/bindings/arm/bhf.txt b/Documentation/devicetree/bindings/arm/bhf.txt deleted file mode 100644 index 886b503caf9c..000000000000 --- a/Documentation/devicetree/bindings/arm/bhf.txt +++ /dev/null @@ -1,6 +0,0 @@ -Beckhoff Automation Platforms Device Tree Bindings --------------------------------------------------- - -CX9020 Embedded PC -Required root node properties: - - compatible = "bhf,cx9020", "fsl,imx53"; diff --git a/Documentation/devicetree/bindings/arm/compulab-boards.txt b/Documentation/devicetree/bindings/arm/compulab-boards.txt deleted file mode 100644 index 42a10285af9c..000000000000 --- a/Documentation/devicetree/bindings/arm/compulab-boards.txt +++ /dev/null @@ -1,25 +0,0 @@ -CompuLab SB-SOM is a multi-module baseboard capable of carrying: - - CM-T43 - - CM-T54 - - CM-QS600 - - CL-SOM-AM57x - - CL-SOM-iMX7 -modules with minor modifications to the SB-SOM assembly. - -Required root node properties: - - compatible = should be "compulab,sb-som" - -Compulab CL-SOM-iMX7 is a miniature System-on-Module (SoM) based on -Freescale i.MX7 ARM Cortex-A7 System-on-Chip. - -Required root node properties: - - compatible = "compulab,cl-som-imx7", "fsl,imx7d"; - -Compulab SBC-iMX7 is a single board computer based on the -Freescale i.MX7 system-on-chip. SBC-iMX7 is implemented with -the CL-SOM-iMX7 System-on-Module providing most of the functions, -and SB-SOM-iMX7 carrier board providing additional peripheral -functions and connectors. - -Required root node properties: - - compatible = "compulab,sbc-imx7", "compulab,cl-som-imx7", "fsl,imx7d"; diff --git a/Documentation/devicetree/bindings/arm/cpu-capacity.txt b/Documentation/devicetree/bindings/arm/cpu-capacity.txt index 84262cdb8d29..96fa46cb133c 100644 --- a/Documentation/devicetree/bindings/arm/cpu-capacity.txt +++ b/Documentation/devicetree/bindings/arm/cpu-capacity.txt @@ -235,4 +235,4 @@ cpus { =========================================== [1] ARM Linux Kernel documentation - CPUs bindings - Documentation/devicetree/bindings/arm/cpus.txt + Documentation/devicetree/bindings/arm/cpus.yaml diff --git a/Documentation/devicetree/bindings/arm/freescale/fsl,imx7ulp-sim.txt b/Documentation/devicetree/bindings/arm/freescale/fsl,imx7ulp-sim.txt new file mode 100644 index 000000000000..7d0c7f002401 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/freescale/fsl,imx7ulp-sim.txt @@ -0,0 +1,16 @@ +Freescale i.MX7ULP System Integration Module +---------------------------------------------- +The system integration module (SIM) provides system control and chip configuration +registers. In this module, chip revision information is located in JTAG ID register, +and a set of registers have been made available in DGO domain for SW use, with the +objective to maintain its value between system resets. + +Required properties: +- compatible: Should be "fsl,imx7ulp-sim". +- reg: Specifies base physical address and size of the register sets. + +Example: +sim: sim@410a3000 { + compatible = "fsl,imx7ulp-sim", "syscon"; + reg = <0x410a3000 0x1000>; +}; diff --git a/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt b/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt index 27784b6edfed..cef5ee83fbc1 100644 --- a/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt +++ b/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt @@ -70,7 +70,10 @@ Clock bindings based on SCU Message Protocol This binding uses the common clock binding[1]. Required properties: -- compatible: Should be "fsl,imx8qxp-clock". +- compatible: Should be one of: + "fsl,imx8qm-clock" + "fsl,imx8qxp-clock" + followed by "fsl,scu-clk" - #clock-cells: Should be 1. Contains the Clock ID value. - clocks: List of clock specifiers, must contain an entry for each required entry in clock-names @@ -137,7 +140,7 @@ firmware { &lsio_mu1 1 3>; clk: clk { - compatible = "fsl,imx8qxp-clk"; + compatible = "fsl,imx8qxp-clk", "fsl,scu-clk"; #clock-cells = <1>; }; diff --git a/Documentation/devicetree/bindings/arm/fsl.txt b/Documentation/devicetree/bindings/arm/fsl.txt deleted file mode 100644 index 7fbc42484001..000000000000 --- a/Documentation/devicetree/bindings/arm/fsl.txt +++ /dev/null @@ -1,237 +0,0 @@ -Freescale i.MX Platforms Device Tree Bindings ------------------------------------------------ - -i.MX23 Evaluation Kit -Required root node properties: - - compatible = "fsl,imx23-evk", "fsl,imx23"; - -i.MX25 Product Development Kit -Required root node properties: - - compatible = "fsl,imx25-pdk", "fsl,imx25"; - -i.MX27 Product Development Kit -Required root node properties: - - compatible = "fsl,imx27-pdk", "fsl,imx27"; - -i.MX28 Evaluation Kit -Required root node properties: - - compatible = "fsl,imx28-evk", "fsl,imx28"; - -i.MX51 Babbage Board -Required root node properties: - - compatible = "fsl,imx51-babbage", "fsl,imx51"; - -i.MX53 Automotive Reference Design Board -Required root node properties: - - compatible = "fsl,imx53-ard", "fsl,imx53"; - -i.MX53 Evaluation Kit -Required root node properties: - - compatible = "fsl,imx53-evk", "fsl,imx53"; - -i.MX53 Quick Start Board -Required root node properties: - - compatible = "fsl,imx53-qsb", "fsl,imx53"; - -i.MX53 Smart Mobile Reference Design Board -Required root node properties: - - compatible = "fsl,imx53-smd", "fsl,imx53"; - -i.MX6 Quad Armadillo2 Board -Required root node properties: - - compatible = "fsl,imx6q-arm2", "fsl,imx6q"; - -i.MX6 Quad SABRE Lite Board -Required root node properties: - - compatible = "fsl,imx6q-sabrelite", "fsl,imx6q"; - -i.MX6 Quad SABRE Smart Device Board -Required root node properties: - - compatible = "fsl,imx6q-sabresd", "fsl,imx6q"; - -i.MX6 Quad SABRE Automotive Board -Required root node properties: - - compatible = "fsl,imx6q-sabreauto", "fsl,imx6q"; - -i.MX6SLL EVK board -Required root node properties: - - compatible = "fsl,imx6sll-evk", "fsl,imx6sll"; - -i.MX6 Quad Plus SABRE Smart Device Board -Required root node properties: - - compatible = "fsl,imx6qp-sabresd", "fsl,imx6qp"; - -i.MX6 Quad Plus SABRE Automotive Board -Required root node properties: - - compatible = "fsl,imx6qp-sabreauto", "fsl,imx6qp"; - -i.MX6 DualLite SABRE Smart Device Board -Required root node properties: - - compatible = "fsl,imx6dl-sabresd", "fsl,imx6dl"; - -i.MX6 DualLite/Solo SABRE Automotive Board -Required root node properties: - - compatible = "fsl,imx6dl-sabreauto", "fsl,imx6dl"; - -i.MX6 SoloLite EVK Board -Required root node properties: - - compatible = "fsl,imx6sl-evk", "fsl,imx6sl"; - -i.MX6 UltraLite 14x14 EVK Board -Required root node properties: - - compatible = "fsl,imx6ul-14x14-evk", "fsl,imx6ul"; - -i.MX6 UltraLiteLite 14x14 EVK Board -Required root node properties: - - compatible = "fsl,imx6ull-14x14-evk", "fsl,imx6ull"; - -i.MX6 ULZ 14x14 EVK Board -Required root node properties: - - compatible = "fsl,imx6ulz-14x14-evk", "fsl,imx6ull", "fsl,imx6ulz"; - -i.MX6 SoloX SDB Board -Required root node properties: - - compatible = "fsl,imx6sx-sdb", "fsl,imx6sx"; - -i.MX6 SoloX Sabre Auto Board -Required root node properties: - - compatible = "fsl,imx6sx-sabreauto", "fsl,imx6sx"; - -i.MX7 SabreSD Board -Required root node properties: - - compatible = "fsl,imx7d-sdb", "fsl,imx7d"; - -i.MX7ULP Evaluation Kit -Required root node properties: - - compatible = "fsl,imx7ulp-evk", "fsl,imx7ulp"; - -Generic i.MX boards -------------------- - -No iomux setup is done for these boards, so this must have been configured -by the bootloader for boards to work with the generic bindings. - -i.MX27 generic board -Required root node properties: - - compatible = "fsl,imx27"; - -i.MX51 generic board -Required root node properties: - - compatible = "fsl,imx51"; - -i.MX53 generic board -Required root node properties: - - compatible = "fsl,imx53"; - -i.MX6q generic board -Required root node properties: - - compatible = "fsl,imx6q"; - -i.MX7ULP generic board -Required root node properties: - - compatible = "fsl,imx7ulp"; - -Freescale Vybrid Platform Device Tree Bindings ----------------------------------------------- - -For the Vybrid SoC familiy all variants with DDR controller are supported, -which is the VF5xx and VF6xx series. Out of historical reasons, in most -places the kernel uses vf610 to refer to the whole familiy. -The compatible string "fsl,vf610m4" is used for the secondary Cortex-M4 -core support. - -Required root node compatible property (one of them): - - compatible = "fsl,vf500"; - - compatible = "fsl,vf510"; - - compatible = "fsl,vf600"; - - compatible = "fsl,vf610"; - - compatible = "fsl,vf610m4"; - -Freescale LS1021A Platform Device Tree Bindings ------------------------------------------------- - -Required root node compatible properties: - - compatible = "fsl,ls1021a"; - -Freescale ARMv8 based Layerscape SoC family Device Tree Bindings ----------------------------------------------------------------- - -LS1012A SoC -Required root node properties: - - compatible = "fsl,ls1012a"; - -LS1012A ARMv8 based RDB Board -Required root node properties: - - compatible = "fsl,ls1012a-rdb", "fsl,ls1012a"; - -LS1012A ARMv8 based FRDM Board -Required root node properties: - - compatible = "fsl,ls1012a-frdm", "fsl,ls1012a"; - -LS1012A ARMv8 based QDS Board -Required root node properties: - - compatible = "fsl,ls1012a-qds", "fsl,ls1012a"; - -LS1043A SoC -Required root node properties: - - compatible = "fsl,ls1043a"; - -LS1043A ARMv8 based RDB Board -Required root node properties: - - compatible = "fsl,ls1043a-rdb", "fsl,ls1043a"; - -LS1043A ARMv8 based QDS Board -Required root node properties: - - compatible = "fsl,ls1043a-qds", "fsl,ls1043a"; - -LS1046A SoC -Required root node properties: - - compatible = "fsl,ls1046a"; - -LS1046A ARMv8 based QDS Board -Required root node properties: - - compatible = "fsl,ls1046a-qds", "fsl,ls1046a"; - -LS1046A ARMv8 based RDB Board -Required root node properties: - - compatible = "fsl,ls1046a-rdb", "fsl,ls1046a"; - -LS1088A SoC -Required root node properties: - - compatible = "fsl,ls1088a"; - -LS1088A ARMv8 based QDS Board -Required root node properties: - - compatible = "fsl,ls1088a-qds", "fsl,ls1088a"; - -LS1088A ARMv8 based RDB Board -Required root node properties: - - compatible = "fsl,ls1088a-rdb", "fsl,ls1088a"; - -LS2080A SoC -Required root node properties: - - compatible = "fsl,ls2080a"; - -LS2080A ARMv8 based Simulator model -Required root node properties: - - compatible = "fsl,ls2080a-simu", "fsl,ls2080a"; - -LS2080A ARMv8 based QDS Board -Required root node properties: - - compatible = "fsl,ls2080a-qds", "fsl,ls2080a"; - -LS2080A ARMv8 based RDB Board -Required root node properties: - - compatible = "fsl,ls2080a-rdb", "fsl,ls2080a"; - -LS2088A SoC -Required root node properties: - - compatible = "fsl,ls2088a"; - -LS2088A ARMv8 based QDS Board -Required root node properties: - - compatible = "fsl,ls2088a-qds", "fsl,ls2088a"; - -LS2088A ARMv8 based RDB Board -Required root node properties: - - compatible = "fsl,ls2088a-rdb", "fsl,ls2088a"; diff --git a/Documentation/devicetree/bindings/arm/fsl.yaml b/Documentation/devicetree/bindings/arm/fsl.yaml new file mode 100644 index 000000000000..7e2cd6ad26bd --- /dev/null +++ b/Documentation/devicetree/bindings/arm/fsl.yaml @@ -0,0 +1,232 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/bindings/arm/fsl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale i.MX Platforms Device Tree Bindings + +maintainers: + - Shawn Guo <shawnguo@kernel.org> + - Li Yang <leoyang.li@nxp.com> + +properties: + $nodename: + const: '/' + compatible: + oneOf: + - description: i.MX23 based Boards + items: + - enum: + - fsl,imx23-evk + - olimex,imx23-olinuxino + - const: fsl,imx23 + + - description: i.MX25 Product Development Kit + items: + - enum: + - fsl,imx25-pdk + - const: fsl,imx25 + + - description: i.MX27 Product Development Kit + items: + - enum: + - fsl,imx27-pdk + - const: fsl,imx27 + + - description: i.MX28 based Boards + items: + - enum: + - fsl,imx28-evk + - i2se,duckbill + - i2se,duckbill-2 + - technologic,imx28-ts4600 + - const: fsl,imx28 + - description: i.MX28 Duckbill 2 based Boards + items: + - enum: + - i2se,duckbill-2-485 + - i2se,duckbill-2-enocean + - i2se,duckbill-2-spi + - const: i2se,duckbill-2 + - const: fsl,imx28 + + - description: i.MX51 Babbage Board + items: + - enum: + - armadeus,imx51-apf51 + - fsl,imx51-babbage + - technologic,imx51-ts4800 + - const: fsl,imx51 + + - description: i.MX53 based Boards + items: + - enum: + - bhf,cx9020 + - fsl,imx53-ard + - fsl,imx53-evk + - fsl,imx53-qsb + - fsl,imx53-smd + - const: fsl,imx53 + + - description: i.MX6Q based Boards + items: + - enum: + - fsl,imx6q-arm2 + - fsl,imx6q-sabreauto + - fsl,imx6q-sabrelite + - fsl,imx6q-sabresd + - technologic,imx6q-ts4900 + - technologic,imx6q-ts7970 + - const: fsl,imx6q + + - description: i.MX6QP based Boards + items: + - enum: + - fsl,imx6qp-sabreauto # i.MX6 Quad Plus SABRE Automotive Board + - fsl,imx6qp-sabresd # i.MX6 Quad Plus SABRE Smart Device Board + - const: fsl,imx6qp + + - description: i.MX6DL based Boards + items: + - enum: + - fsl,imx6dl-sabreauto # i.MX6 DualLite/Solo SABRE Automotive Board + - fsl,imx6dl-sabresd # i.MX6 DualLite SABRE Smart Device Board + - technologic,imx6dl-ts4900 + - technologic,imx6dl-ts7970 + - ysoft,imx6dl-yapp4-draco # i.MX6 DualLite Y Soft IOTA Draco board + - ysoft,imx6dl-yapp4-hydra # i.MX6 DualLite Y Soft IOTA Hydra board + - ysoft,imx6dl-yapp4-ursa # i.MX6 Solo Y Soft IOTA Ursa board + - const: fsl,imx6dl + + - description: i.MX6SL based Boards + items: + - enum: + - fsl,imx6sl-evk # i.MX6 SoloLite EVK Board + - const: fsl,imx6sl + + - description: i.MX6SLL based Boards + items: + - enum: + - fsl,imx6sll-evk + - const: fsl,imx6sll + + - description: i.MX6SX based Boards + items: + - enum: + - fsl,imx6sx-sabreauto # i.MX6 SoloX Sabre Auto Board + - fsl,imx6sx-sdb # i.MX6 SoloX SDB Board + - const: fsl,imx6sx + + - description: i.MX6UL based Boards + items: + - enum: + - fsl,imx6ul-14x14-evk # i.MX6 UltraLite 14x14 EVK Board + - const: fsl,imx6ul + + - description: i.MX6ULL based Boards + items: + - enum: + - fsl,imx6ull-14x14-evk # i.MX6 UltraLiteLite 14x14 EVK Board + - const: fsl,imx6ull + + - description: i.MX6ULZ based Boards + items: + - enum: + - fsl,imx6ulz-14x14-evk # i.MX6 ULZ 14x14 EVK Board + - const: fsl,imx6ull # This seems odd. Should be last? + - const: fsl,imx6ulz + + - description: i.MX7D based Boards + items: + - enum: + - fsl,imx7d-sdb # i.MX7 SabreSD Board + - const: fsl,imx7d + + - description: + Compulab SBC-iMX7 is a single board computer based on the + Freescale i.MX7 system-on-chip. SBC-iMX7 is implemented with + the CL-SOM-iMX7 System-on-Module providing most of the functions, + and SB-SOM-iMX7 carrier board providing additional peripheral + functions and connectors. + items: + - const: compulab,sbc-imx7 + - const: compulab,cl-som-imx7 + - const: fsl,imx7d + + - description: i.MX8QXP based Boards + items: + - enum: + - fsl,imx8qxp-mek # i.MX8QXP MEK Board + - const: fsl,imx8qxp + + - description: + Freescale Vybrid Platform Device Tree Bindings + + For the Vybrid SoC familiy all variants with DDR controller are supported, + which is the VF5xx and VF6xx series. Out of historical reasons, in most + places the kernel uses vf610 to refer to the whole familiy. + The compatible string "fsl,vf610m4" is used for the secondary Cortex-M4 + core support. + items: + - enum: + - fsl,vf500 + - fsl,vf510 + - fsl,vf600 + - fsl,vf610 + - fsl,vf610m4 + + - description: LS1012A based Boards + items: + - enum: + - ebs-systart,oxalis + - fsl,ls1012a-rdb + - fsl,ls1012a-frdm + - fsl,ls1012a-qds + - const: fsl,ls1012a + + - description: LS1021A based Boards + items: + - enum: + - fsl,ls1021a-moxa-uc-8410a + - fsl,ls1021a-qds + - fsl,ls1021a-twr + - const: fsl,ls1021a + + - description: LS1043A based Boards + items: + - enum: + - fsl,ls1043a-rdb + - fsl,ls1043a-qds + - const: fsl,ls1043a + + - description: LS1046A based Boards + items: + - enum: + - fsl,ls1046a-qds + - fsl,ls1046a-rdb + - const: fsl,ls1046a + + - description: LS1088A based Boards + items: + - enum: + - fsl,ls1088a-qds + - fsl,ls1088a-rdb + - const: fsl,ls1088a + + - description: LS2080A based Boards + items: + - enum: + - fsl,ls2080a-simu + - fsl,ls2080a-qds + - fsl,ls2080a-rdb + - const: fsl,ls2080a + + - description: LS2088A based Boards + items: + - enum: + - fsl,ls2088a-qds + - fsl,ls2088a-rdb + - const: fsl,ls2088a + +... diff --git a/Documentation/devicetree/bindings/arm/i2se.txt b/Documentation/devicetree/bindings/arm/i2se.txt deleted file mode 100644 index dbd54a3aa07d..000000000000 --- a/Documentation/devicetree/bindings/arm/i2se.txt +++ /dev/null @@ -1,22 +0,0 @@ -I2SE Device Tree Bindings -------------------------- - -Duckbill Board -Required root node properties: - - compatible = "i2se,duckbill", "fsl,imx28"; - -Duckbill 2 Board -Required root node properties: - - compatible = "i2se,duckbill-2", "fsl,imx28"; - -Duckbill 2 485 Board -Required root node properties: - - compatible = "i2se,duckbill-2-485", "i2se,duckbill-2", "fsl,imx28"; - -Duckbill 2 EnOcean Board -Required root node properties: - - compatible = "i2se,duckbill-2-enocean", "i2se,duckbill-2", "fsl,imx28"; - -Duckbill 2 SPI Board -Required root node properties: - - compatible = "i2se,duckbill-2-spi", "i2se,duckbill-2", "fsl,imx28"; diff --git a/Documentation/devicetree/bindings/arm/idle-states.txt b/Documentation/devicetree/bindings/arm/idle-states.txt index 8f0937db55c5..45730ba60af5 100644 --- a/Documentation/devicetree/bindings/arm/idle-states.txt +++ b/Documentation/devicetree/bindings/arm/idle-states.txt @@ -684,7 +684,7 @@ cpus { =========================================== [1] ARM Linux Kernel documentation - CPUs bindings - Documentation/devicetree/bindings/arm/cpus.txt + Documentation/devicetree/bindings/arm/cpus.yaml [2] ARM Linux Kernel documentation - PSCI bindings Documentation/devicetree/bindings/arm/psci.txt diff --git a/Documentation/devicetree/bindings/arm/mediatek.txt b/Documentation/devicetree/bindings/arm/mediatek.txt index 8f260e5cfd16..56ac7896d6d8 100644 --- a/Documentation/devicetree/bindings/arm/mediatek.txt +++ b/Documentation/devicetree/bindings/arm/mediatek.txt @@ -15,11 +15,12 @@ compatible: Must contain one of "mediatek,mt6795" "mediatek,mt6797" "mediatek,mt7622" - "mediatek,mt7623" which is referred to MT7623N SoC - "mediatek,mt7623a" + "mediatek,mt7623" + "mediatek,mt7629" "mediatek,mt8127" "mediatek,mt8135" "mediatek,mt8173" + "mediatek,mt8183" Supported boards: @@ -57,6 +58,9 @@ Supported boards: - Reference board variant 1 for MT7622: Required root node properties: - compatible = "mediatek,mt7622-rfb1", "mediatek,mt7622"; +- Bananapi BPI-R64 for MT7622: + Required root node properties: + - compatible = "bananapi,bpi-r64", "mediatek,mt7622"; - Reference board for MT7623a with eMMC: Required root node properties: - compatible = "mediatek,mt7623a-rfb-emmc", "mediatek,mt7623"; @@ -68,6 +72,9 @@ Supported boards: - compatible = "mediatek,mt7623n-rfb-emmc", "mediatek,mt7623"; - Bananapi BPI-R2 board: - compatible = "bananapi,bpi-r2", "mediatek,mt7623"; +- Reference board for MT7629: + Required root node properties: + - compatible = "mediatek,mt7629-rfb", "mediatek,mt7629"; - MTK mt8127 tablet moose EVB: Required root node properties: - compatible = "mediatek,mt8127-moose", "mediatek,mt8127"; @@ -77,3 +84,6 @@ Supported boards: - MTK mt8173 tablet EVB: Required root node properties: - compatible = "mediatek,mt8173-evb", "mediatek,mt8173"; +- Evaluation board for MT8183: + Required root node properties: + - compatible = "mediatek,mt8183-evb", "mediatek,mt8183"; diff --git a/Documentation/devicetree/bindings/arm/olimex.txt b/Documentation/devicetree/bindings/arm/olimex.txt deleted file mode 100644 index d726aeca56be..000000000000 --- a/Documentation/devicetree/bindings/arm/olimex.txt +++ /dev/null @@ -1,10 +0,0 @@ -Olimex Device Tree Bindings ---------------------------- - -SAM9-L9260 Board -Required root node properties: - - compatible = "olimex,sam9-l9260", "atmel,at91sam9260"; - -i.MX23 Olinuxino Low Cost Board -Required root node properties: - - compatible = "olimex,imx23-olinuxino", "fsl,imx23"; diff --git a/Documentation/devicetree/bindings/arm/renesas.yaml b/Documentation/devicetree/bindings/arm/renesas.yaml new file mode 100644 index 000000000000..19f379863d50 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/renesas.yaml @@ -0,0 +1,238 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/arm/shmobile.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Renesas SH-Mobile, R-Mobile, and R-Car Platform Device Tree Bindings + +maintainers: + - Geert Uytterhoeven <geert+renesas@glider.be> + +properties: + $nodename: + const: '/' + compatible: + oneOf: + - description: Emma Mobile EV2 + items: + - enum: + - renesas,kzm9d # Kyoto Microcomputer Co. KZM-A9-Dual + - const: renesas,emev2 + + - description: RZ/A1H (R7S72100) + items: + - enum: + - renesas,genmai # Genmai (RTK772100BC00000BR) + - renesas,gr-peach # GR-Peach (X28A-M01-E/F) + - renesas,rskrza1 # RSKRZA1 (YR0K77210C000BE) + - const: renesas,r7s72100 + + - description: RZ/A2 (R7S9210) + items: + - enum: + - renesas,rza2mevb # RZ/A2M Eval Board (RTK7921053S00000BE) + - const: renesas,r7s9210 + + - description: SH-Mobile AG5 (R8A73A00/SH73A0) + items: + - enum: + - renesas,kzm9g # Kyoto Microcomputer Co. KZM-A9-GT + - const: renesas,sh73a0 + + - description: R-Mobile APE6 (R8A73A40) + items: + - enum: + - renesas,ape6evm + - const: renesas,r8a73a4 + + - description: R-Mobile A1 (R8A77400) + items: + - enum: + - renesas,armadillo800eva # Atmark Techno Armadillo-800 EVA + - const: renesas,r8a7740 + + - description: RZ/G1H (R8A77420) + items: + - const: renesas,r8a7742 + + - description: RZ/G1M (R8A77430) + items: + - enum: + # iWave Systems RZ/G1M Qseven Development Platform (iW-RainboW-G20D-Qseven) + - iwave,g20d + - const: iwave,g20m + - const: renesas,r8a7743 + + - items: + - enum: + # iWave Systems RZ/G1M Qseven System On Module (iW-RainboW-G20M-Qseven) + - iwave,g20m + - renesas,sk-rzg1m # SK-RZG1M (YR8A77430S000BE) + - const: renesas,r8a7743 + + - description: RZ/G1N (R8A77440) + items: + - enum: + # iWave Systems RZ/G1N Qseven Development Platform (iW-RainboW-G20D-Qseven) + - iwave,g20d + - const: iwave,g20m + - const: renesas,r8a7744 + + - items: + - enum: + # iWave Systems RZ/G1N Qseven System On Module (iW-RainboW-G20M-Qseven) + - iwave,g20m + - const: renesas,r8a7744 + + - description: RZ/G1E (R8A77450) + items: + - enum: + - iwave,g22m # iWave Systems RZ/G1E SODIMM System On Module (iW-RainboW-G22M-SM) + - renesas,sk-rzg1e # SK-RZG1E (YR8A77450S000BE) + - const: renesas,r8a7745 + + - description: iWave Systems RZ/G1E SODIMM SOM Development Platform (iW-RainboW-G22D) + items: + - const: iwave,g22d + - const: iwave,g22m + - const: renesas,r8a7745 + + - description: RZ/G1C (R8A77470) + items: + - enum: + - iwave,g23s #iWave Systems RZ/G1C Single Board Computer (iW-RainboW-G23S) + - const: renesas,r8a77470 + + - description: RZ/G2M (R8A774A1) + items: + - const: renesas,r8a774a1 + + - description: RZ/G2E (R8A774C0) + items: + - enum: + - si-linux,cat874 # Silicon Linux RZ/G2E 96board platform (CAT874) + - const: renesas,r8a774c0 + + - items: + - enum: + - si-linux,cat875 # Silicon Linux sub board for CAT874 (CAT875) + - const: si-linux,cat874 + - const: renesas,r8a774c0 + + - description: R-Car M1A (R8A77781) + items: + - enum: + - renesas,bockw + - const: renesas,r8a7778 + + - description: R-Car H1 (R8A77790) + items: + - enum: + - renesas,marzen # Marzen (R0P7779A00010S) + - const: renesas,r8a7779 + + - description: R-Car H2 (R8A77900) + items: + - enum: + - renesas,lager # Lager (RTP0RC7790SEB00010S) + - renesas,stout # Stout (ADAS Starterkit, Y-R-CAR-ADAS-SKH2-BOARD) + - const: renesas,r8a7790 + + - description: R-Car M2-W (R8A77910) + items: + - enum: + - renesas,henninger + - renesas,koelsch # Koelsch (RTP0RC7791SEB00010S) + - renesas,porter # Porter (M2-LCDP) + - const: renesas,r8a7791 + + - description: R-Car V2H (R8A77920) + items: + - enum: + - renesas,blanche # Blanche (RTP0RC7792SEB00010S) + - renesas,wheat # Wheat (RTP0RC7792ASKB0000JE) + - const: renesas,r8a7792 + + - description: R-Car M2-N (R8A77930) + items: + - enum: + - renesas,gose # Gose (RTP0RC7793SEB00010S) + - const: renesas,r8a7793 + + - description: R-Car E2 (R8A77940) + items: + - enum: + - renesas,alt # Alt (RTP0RC7794SEB00010S) + - renesas,silk # SILK (RTP0RC7794LCB00011S) + - const: renesas,r8a7794 + + - description: R-Car H3 (R8A77950) + items: + - enum: + # H3ULCB (R-Car Starter Kit Premier, RTP0RC7795SKBX0010SA00 (H3 ES1.1)) + # H3ULCB (R-Car Starter Kit Premier, RTP0RC77951SKBX010SA00 (H3 ES2.0)) + - renesas,h3ulcb + - renesas,salvator-x # Salvator-X (RTP0RC7795SIPB0010S) + - renesas,salvator-xs # Salvator-XS (Salvator-X 2nd version, RTP0RC7795SIPB0012S) + - const: renesas,r8a7795 + + - description: R-Car M3-W (R8A77960) + items: + - enum: + - renesas,m3ulcb # M3ULCB (R-Car Starter Kit Pro, RTP0RC7796SKBX0010SA09 (M3 ES1.0)) + - renesas,salvator-x # Salvator-X (RTP0RC7796SIPB0011S) + - renesas,salvator-xs # Salvator-XS (Salvator-X 2nd version, RTP0RC7796SIPB0012S) + - const: renesas,r8a7796 + + - description: Kingfisher (SBEV-RCAR-KF-M03) + items: + - const: shimafuji,kingfisher + - enum: + - renesas,h3ulcb + - renesas,m3ulcb + - enum: + - renesas,r8a7795 + - renesas,r8a7796 + + - description: R-Car M3-N (R8A77965) + items: + - enum: + - renesas,m3nulcb # M3NULCB (R-Car Starter Kit Pro, RTP0RC77965SKBX010SA00 (M3-N ES1.1)) + - renesas,salvator-x # Salvator-X (RTP0RC7796SIPB0011S (M3-N)) + - renesas,salvator-xs # Salvator-XS (Salvator-X 2nd version, RTP0RC77965SIPB012S) + - const: renesas,r8a77965 + + - description: R-Car V3M (R8A77970) + items: + - enum: + - renesas,eagle # Eagle (RTP0RC77970SEB0010S) + - renesas,v3msk # V3MSK (Y-ASK-RCAR-V3M-WS10) + - const: renesas,r8a77970 + + - description: R-Car V3H (R8A77980) + items: + - enum: + - renesas,condor # Condor (RTP0RC77980SEB0010SS/RTP0RC77980SEB0010SA01) + - renesas,v3hsk # V3HSK (Y-ASK-RCAR-V3H-WS10) + - const: renesas,r8a77980 + + - description: R-Car E3 (R8A77990) + items: + - enum: + - renesas,ebisu # Ebisu (RTP0RC77990SEB0010S) + - const: renesas,r8a77990 + + - description: R-Car D3 (R8A77995) + items: + - enum: + - renesas,draak # Draak (RTP0RC77995SEB0010S) + - const: renesas,r8a77995 + + - description: RZ/N1D (R9A06G032) + items: + - enum: + - renesas,rzn1d400-db # RZN1D-DB (RZ/N1D Demo Board for the RZ/N1D 400 pins package) + - const: renesas,r9a06g032 + +... diff --git a/Documentation/devicetree/bindings/arm/rockchip.yaml b/Documentation/devicetree/bindings/arm/rockchip.yaml index b12958bda09c..061a03edf9c8 100644 --- a/Documentation/devicetree/bindings/arm/rockchip.yaml +++ b/Documentation/devicetree/bindings/arm/rockchip.yaml @@ -60,6 +60,11 @@ properties: - const: chipspark,rayeager-px2 - const: rockchip,rk3066a + - description: Elgin RV1108 R1 + items: + - const: elgin,rv1108-r1 + - const: rockchip,rv1108 + - description: Firefly Firefly-RK3288 items: - enum: @@ -87,6 +92,13 @@ properties: - const: firefly,roc-rk3399-pc - const: rockchip,rk3399 + - description: FriendlyElec NanoPi4 series boards + items: + - enum: + - friendlyarm,nanopc-t4 + - friendlyarm,nanopi-m4 + - const: rockchip,rk3399 + - description: GeekBuying GeekBox items: - const: geekbuying,geekbox @@ -317,6 +329,11 @@ properties: - const: radxa,rock - const: rockchip,rk3188 + - description: Radxa ROCK Pi 4 + items: + - const: radxa,rockpi4 + - const: rockchip,rk3399 + - description: Radxa Rock2 Square items: - const: radxa,rock2-square diff --git a/Documentation/devicetree/bindings/arm/shmobile.txt b/Documentation/devicetree/bindings/arm/shmobile.txt deleted file mode 100644 index 7f91c2a8b54e..000000000000 --- a/Documentation/devicetree/bindings/arm/shmobile.txt +++ /dev/null @@ -1,155 +0,0 @@ -Renesas SH-Mobile, R-Mobile, and R-Car Platform Device Tree Bindings --------------------------------------------------------------------- - -SoCs: - - - Emma Mobile EV2 - compatible = "renesas,emev2" - - RZ/A1H (R7S72100) - compatible = "renesas,r7s72100" - - RZ/A2 (R7S9210) - compatible = "renesas,r7s9210" - - SH-Mobile AG5 (R8A73A00/SH73A0) - compatible = "renesas,sh73a0" - - R-Mobile APE6 (R8A73A40) - compatible = "renesas,r8a73a4" - - R-Mobile A1 (R8A77400) - compatible = "renesas,r8a7740" - - RZ/G1H (R8A77420) - compatible = "renesas,r8a7742" - - RZ/G1M (R8A77430) - compatible = "renesas,r8a7743" - - RZ/G1N (R8A77440) - compatible = "renesas,r8a7744" - - RZ/G1E (R8A77450) - compatible = "renesas,r8a7745" - - RZ/G1C (R8A77470) - compatible = "renesas,r8a77470" - - RZ/G2M (R8A774A1) - compatible = "renesas,r8a774a1" - - RZ/G2E (R8A774C0) - compatible = "renesas,r8a774c0" - - R-Car M1A (R8A77781) - compatible = "renesas,r8a7778" - - R-Car H1 (R8A77790) - compatible = "renesas,r8a7779" - - R-Car H2 (R8A77900) - compatible = "renesas,r8a7790" - - R-Car M2-W (R8A77910) - compatible = "renesas,r8a7791" - - R-Car V2H (R8A77920) - compatible = "renesas,r8a7792" - - R-Car M2-N (R8A77930) - compatible = "renesas,r8a7793" - - R-Car E2 (R8A77940) - compatible = "renesas,r8a7794" - - R-Car H3 (R8A77950) - compatible = "renesas,r8a7795" - - R-Car M3-W (R8A77960) - compatible = "renesas,r8a7796" - - R-Car M3-N (R8A77965) - compatible = "renesas,r8a77965" - - R-Car V3M (R8A77970) - compatible = "renesas,r8a77970" - - R-Car V3H (R8A77980) - compatible = "renesas,r8a77980" - - R-Car E3 (R8A77990) - compatible = "renesas,r8a77990" - - R-Car D3 (R8A77995) - compatible = "renesas,r8a77995" - - RZ/N1D (R9A06G032) - compatible = "renesas,r9a06g032" - -Boards: - - - Alt (RTP0RC7794SEB00010S) - compatible = "renesas,alt", "renesas,r8a7794" - - APE6-EVM - compatible = "renesas,ape6evm", "renesas,r8a73a4" - - Atmark Techno Armadillo-800 EVA - compatible = "renesas,armadillo800eva", "renesas,r8a7740" - - Blanche (RTP0RC7792SEB00010S) - compatible = "renesas,blanche", "renesas,r8a7792" - - BOCK-W - compatible = "renesas,bockw", "renesas,r8a7778" - - Condor (RTP0RC77980SEB0010SS/RTP0RC77980SEB0010SA01) - compatible = "renesas,condor", "renesas,r8a77980" - - Draak (RTP0RC77995SEB0010S) - compatible = "renesas,draak", "renesas,r8a77995" - - Eagle (RTP0RC77970SEB0010S) - compatible = "renesas,eagle", "renesas,r8a77970" - - Ebisu (RTP0RC77990SEB0010S) - compatible = "renesas,ebisu", "renesas,r8a77990" - - Genmai (RTK772100BC00000BR) - compatible = "renesas,genmai", "renesas,r7s72100" - - GR-Peach (X28A-M01-E/F) - compatible = "renesas,gr-peach", "renesas,r7s72100" - - Gose (RTP0RC7793SEB00010S) - compatible = "renesas,gose", "renesas,r8a7793" - - H3ULCB (R-Car Starter Kit Premier, RTP0RC7795SKBX0010SA00 (H3 ES1.1)) - H3ULCB (R-Car Starter Kit Premier, RTP0RC77951SKBX010SA00 (H3 ES2.0)) - compatible = "renesas,h3ulcb", "renesas,r8a7795" - - Henninger - compatible = "renesas,henninger", "renesas,r8a7791" - - iWave Systems RZ/G1C Single Board Computer (iW-RainboW-G23S) - compatible = "iwave,g23s", "renesas,r8a77470" - - iWave Systems RZ/G1E SODIMM SOM Development Platform (iW-RainboW-G22D) - compatible = "iwave,g22d", "iwave,g22m", "renesas,r8a7745" - - iWave Systems RZ/G1E SODIMM System On Module (iW-RainboW-G22M-SM) - compatible = "iwave,g22m", "renesas,r8a7745" - - iWave Systems RZ/G1M Qseven Development Platform (iW-RainboW-G20D-Qseven) - compatible = "iwave,g20d", "iwave,g20m", "renesas,r8a7743" - - iWave Systems RZ/G1M Qseven System On Module (iW-RainboW-G20M-Qseven) - compatible = "iwave,g20m", "renesas,r8a7743" - - iWave Systems RZ/G1N Qseven Development Platform (iW-RainboW-G20D-Qseven) - compatible = "iwave,g20d", "iwave,g20m", "renesas,r8a7744" - - iWave Systems RZ/G1N Qseven System On Module (iW-RainboW-G20M-Qseven) - compatible = "iwave,g20m", "renesas,r8a7744" - - Kingfisher (SBEV-RCAR-KF-M03) - compatible = "shimafuji,kingfisher" - - Koelsch (RTP0RC7791SEB00010S) - compatible = "renesas,koelsch", "renesas,r8a7791" - - Kyoto Microcomputer Co. KZM-A9-Dual - compatible = "renesas,kzm9d", "renesas,emev2" - - Kyoto Microcomputer Co. KZM-A9-GT - compatible = "renesas,kzm9g", "renesas,sh73a0" - - Lager (RTP0RC7790SEB00010S) - compatible = "renesas,lager", "renesas,r8a7790" - - M3ULCB (R-Car Starter Kit Pro, RTP0RC7796SKBX0010SA09 (M3 ES1.0)) - compatible = "renesas,m3ulcb", "renesas,r8a7796" - - M3NULCB (R-Car Starter Kit Pro, RTP0RC77965SKBX010SA00 (M3-N ES1.1)) - compatible = "renesas,m3nulcb", "renesas,r8a77965" - - Marzen (R0P7779A00010S) - compatible = "renesas,marzen", "renesas,r8a7779" - - Porter (M2-LCDP) - compatible = "renesas,porter", "renesas,r8a7791" - - RSKRZA1 (YR0K77210C000BE) - compatible = "renesas,rskrza1", "renesas,r7s72100" - - RZN1D-DB (RZ/N1D Demo Board for the RZ/N1D 400 pins package) - compatible = "renesas,rzn1d400-db", "renesas,r9a06g032" - - Salvator-X (RTP0RC7795SIPB0010S) - compatible = "renesas,salvator-x", "renesas,r8a7795" - - Salvator-X (RTP0RC7796SIPB0011S) - compatible = "renesas,salvator-x", "renesas,r8a7796" - - Salvator-X (RTP0RC7796SIPB0011S (M3-N)) - compatible = "renesas,salvator-x", "renesas,r8a77965" - - Salvator-XS (Salvator-X 2nd version, RTP0RC7795SIPB0012S) - compatible = "renesas,salvator-xs", "renesas,r8a7795" - - Salvator-XS (Salvator-X 2nd version, RTP0RC7796SIPB0012S) - compatible = "renesas,salvator-xs", "renesas,r8a7796" - - Salvator-XS (Salvator-X 2nd version, RTP0RC77965SIPB012S) - compatible = "renesas,salvator-xs", "renesas,r8a77965" - - SILK (RTP0RC7794LCB00011S) - compatible = "renesas,silk", "renesas,r8a7794" - - SK-RZG1E (YR8A77450S000BE) - compatible = "renesas,sk-rzg1e", "renesas,r8a7745" - - SK-RZG1M (YR8A77430S000BE) - compatible = "renesas,sk-rzg1m", "renesas,r8a7743" - - Stout (ADAS Starterkit, Y-R-CAR-ADAS-SKH2-BOARD) - compatible = "renesas,stout", "renesas,r8a7790" - - V3HSK (Y-ASK-RCAR-V3H-WS10) - compatible = "renesas,v3hsk", "renesas,r8a77980" - - V3MSK (Y-ASK-RCAR-V3M-WS10) - compatible = "renesas,v3msk", "renesas,r8a77970" - - Wheat (RTP0RC7792ASKB0000JE) - compatible = "renesas,wheat", "renesas,r8a7792" diff --git a/Documentation/devicetree/bindings/arm/sp810.txt b/Documentation/devicetree/bindings/arm/sp810.txt index 1b2ab1ff5587..46652bf65147 100644 --- a/Documentation/devicetree/bindings/arm/sp810.txt +++ b/Documentation/devicetree/bindings/arm/sp810.txt @@ -4,7 +4,7 @@ SP810 System Controller Required properties: - compatible: standard compatible string for a Primecell peripheral, - see Documentation/devicetree/bindings/arm/primecell.txt + see Documentation/devicetree/bindings/arm/primecell.yaml for more details should be: "arm,sp810", "arm,primecell" diff --git a/Documentation/devicetree/bindings/arm/technologic.txt b/Documentation/devicetree/bindings/arm/technologic.txt deleted file mode 100644 index f1cedc00dcab..000000000000 --- a/Documentation/devicetree/bindings/arm/technologic.txt +++ /dev/null @@ -1,23 +0,0 @@ -Technologic Systems Platforms Device Tree Bindings --------------------------------------------------- - -TS-4600 is a System-on-Module based on the Freescale i.MX28 System-on-Chip. -It can be mounted on a carrier board providing additional peripheral connectors. -Required root node properties: - - compatible = "technologic,imx28-ts4600", "fsl,imx28" - -TS-4800 board -Required root node properties: - - compatible = "technologic,imx51-ts4800", "fsl,imx51"; - -TS-4900 is a System-on-Module based on the Freescale i.MX6 System-on-Chip. -It can be mounted on a carrier board providing additional peripheral connectors. -Required root node properties: - - compatible = "technologic,imx6dl-ts4900", "fsl,imx6dl" - - compatible = "technologic,imx6q-ts4900", "fsl,imx6q" - -TS-7970 is a System-on-Module based on the Freescale i.MX6 System-on-Chip. -It can be mounted on a carrier board providing additional peripheral connectors. -Required root node properties: - - compatible = "technologic,imx6dl-ts7970", "fsl,imx6dl" - - compatible = "technologic,imx6q-ts7970", "fsl,imx6q" diff --git a/Documentation/devicetree/bindings/arm/tegra.yaml b/Documentation/devicetree/bindings/arm/tegra.yaml index fbcde8a7e067..60b38eb5c61a 100644 --- a/Documentation/devicetree/bindings/arm/tegra.yaml +++ b/Documentation/devicetree/bindings/arm/tegra.yaml @@ -87,9 +87,11 @@ properties: - const: nvidia,tegra124 - items: - enum: + - nvidia,darcy - nvidia,p2371-0000 - nvidia,p2371-2180 - nvidia,p2571 + - nvidia,p2894-0050-a08 - const: nvidia,tegra210 - items: - enum: diff --git a/Documentation/devicetree/bindings/arm/topology.txt b/Documentation/devicetree/bindings/arm/topology.txt index de9eb0486630..b0d80c0fb265 100644 --- a/Documentation/devicetree/bindings/arm/topology.txt +++ b/Documentation/devicetree/bindings/arm/topology.txt @@ -472,4 +472,4 @@ cpus { =============================================================================== [1] ARM Linux kernel documentation - Documentation/devicetree/bindings/arm/cpus.txt + Documentation/devicetree/bindings/arm/cpus.yaml diff --git a/Documentation/devicetree/bindings/clock/marvell,mmp2.txt b/Documentation/devicetree/bindings/clock/marvell,mmp2.txt index af376a01f2b7..23b52dc02266 100644 --- a/Documentation/devicetree/bindings/clock/marvell,mmp2.txt +++ b/Documentation/devicetree/bindings/clock/marvell,mmp2.txt @@ -18,4 +18,4 @@ Required Properties: Each clock is assigned an identifier and client nodes use this identifier to specify the clock which they consume. -All these identifier could be found in <dt-bindings/clock/marvell-mmp2.h>. +All these identifiers could be found in <dt-bindings/clock/marvell,mmp2.h>. diff --git a/Documentation/devicetree/bindings/clock/nvidia,tegra124-dfll.txt b/Documentation/devicetree/bindings/clock/nvidia,tegra124-dfll.txt index dff236f524a7..958e0ad78c52 100644 --- a/Documentation/devicetree/bindings/clock/nvidia,tegra124-dfll.txt +++ b/Documentation/devicetree/bindings/clock/nvidia,tegra124-dfll.txt @@ -8,10 +8,11 @@ the fast CPU cluster. It consists of a free-running voltage controlled oscillator connected to the CPU voltage rail (VDD_CPU), and a closed loop control module that will automatically adjust the VDD_CPU voltage by communicating with an off-chip PMIC either via an I2C bus or via PWM signals. -Currently only the I2C mode is supported by these bindings. Required properties: -- compatible : should be "nvidia,tegra124-dfll" +- compatible : should be one of: + - "nvidia,tegra124-dfll": for Tegra124 + - "nvidia,tegra210-dfll": for Tegra210 - reg : Defines the following set of registers, in the order listed: - registers for the DFLL control logic. - registers for the I2C output logic. @@ -45,10 +46,31 @@ Required properties for the control loop parameters: Optional properties for the control loop parameters: - nvidia,cg-scale: Boolean value, see the field DFLL_PARAMS_CG_SCALE in the TRM. +Optional properties for mode selection: +- nvidia,pwm-to-pmic: Use PWM to control regulator rather then I2C. + Required properties for I2C mode: - nvidia,i2c-fs-rate: I2C transfer rate, if using full speed mode. -Example: +Required properties for PWM mode: +- nvidia,pwm-period-nanoseconds: period of PWM square wave in nanoseconds. +- nvidia,pwm-tristate-microvolts: Regulator voltage in micro volts when PWM + control is disabled and the PWM output is tristated. Note that this voltage is + configured in hardware, typically via a resistor divider. +- nvidia,pwm-min-microvolts: Regulator voltage in micro volts when PWM control + is enabled and PWM output is low. Hence, this is the minimum output voltage + that the regulator supports when PWM control is enabled. +- nvidia,pwm-voltage-step-microvolts: Voltage increase in micro volts + corresponding to a 1/33th increase in duty cycle. Eg the voltage for 2/33th + duty cycle would be: nvidia,pwm-min-microvolts + + nvidia,pwm-voltage-step-microvolts * 2. +- pinctrl-0: I/O pad configuration when PWM control is enabled. +- pinctrl-1: I/O pad configuration when PWM control is disabled. +- pinctrl-names: must include the following entries: + - dvfs_pwm_enable: I/O pad configuration when PWM control is enabled. + - dvfs_pwm_disable: I/O pad configuration when PWM control is disabled. + +Example for I2C: clock@70110000 { compatible = "nvidia,tegra124-dfll"; @@ -76,3 +98,58 @@ clock@70110000 { nvidia,i2c-fs-rate = <400000>; }; + +Example for PWM: + +clock@70110000 { + compatible = "nvidia,tegra124-dfll"; + reg = <0 0x70110000 0 0x100>, /* DFLL control */ + <0 0x70110000 0 0x100>, /* I2C output control */ + <0 0x70110100 0 0x100>, /* Integrated I2C controller */ + <0 0x70110200 0 0x100>; /* Look-up table RAM */ + interrupts = <GIC_SPI 62 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&tegra_car TEGRA210_CLK_DFLL_SOC>, + <&tegra_car TEGRA210_CLK_DFLL_REF>, + <&tegra_car TEGRA124_CLK_I2C5>;; + clock-names = "soc", "ref", "i2c"; + resets = <&tegra_car TEGRA124_RST_DFLL_DVCO>; + reset-names = "dvco"; + #clock-cells = <0>; + clock-output-names = "dfllCPU_out"; + + nvidia,sample-rate = <25000>; + nvidia,droop-ctrl = <0x00000f00>; + nvidia,force-mode = <1>; + nvidia,cf = <6>; + nvidia,ci = <0>; + nvidia,cg = <2>; + + nvidia,pwm-min-microvolts = <708000>; /* 708mV */ + nvidia,pwm-period-nanoseconds = <2500>; /* 2.5us */ + nvidia,pwm-to-pmic; + nvidia,pwm-tristate-microvolts = <1000000>; + nvidia,pwm-voltage-step-microvolts = <19200>; /* 19.2mV */ + + pinctrl-names = "dvfs_pwm_enable", "dvfs_pwm_disable"; + pinctrl-0 = <&dvfs_pwm_active_state>; + pinctrl-1 = <&dvfs_pwm_inactive_state>; +}; + +/* pinmux nodes added for completeness. Binding doc can be found in: + * Documentation/devicetree/bindings/pinctrl/nvidia,tegra210-pinmux.txt + */ + +pinmux: pinmux@700008d4 { + dvfs_pwm_active_state: dvfs_pwm_active { + dvfs_pwm_pbb1 { + nvidia,pins = "dvfs_pwm_pbb1"; + nvidia,tristate = <TEGRA_PIN_DISABLE>; + }; + }; + dvfs_pwm_inactive_state: dvfs_pwm_inactive { + dvfs_pwm_pbb1 { + nvidia,pins = "dvfs_pwm_pbb1"; + nvidia,tristate = <TEGRA_PIN_ENABLE>; + }; + }; +}; diff --git a/Documentation/devicetree/bindings/cpufreq/nvidia,tegra124-cpufreq.txt b/Documentation/devicetree/bindings/cpufreq/nvidia,tegra124-cpufreq.txt index b1669fbfb740..03196d5ea515 100644 --- a/Documentation/devicetree/bindings/cpufreq/nvidia,tegra124-cpufreq.txt +++ b/Documentation/devicetree/bindings/cpufreq/nvidia,tegra124-cpufreq.txt @@ -9,11 +9,9 @@ Required properties: See ../clocks/clock-bindings.txt for details. - clock-names: Must include the following entries: - cpu_g: Clock mux for the fast CPU cluster. - - cpu_lp: Clock mux for the low-power CPU cluster. - pll_x: Fast PLL clocksource. - pll_p: Auxiliary PLL used during fast PLL rate changes. - dfll: Fast DFLL clocksource that also automatically scales CPU voltage. -- vdd-cpu-supply: Regulator for CPU voltage Optional properties: - clock-latency: Specify the possible maximum transition latency for clock, @@ -31,13 +29,11 @@ cpus { reg = <0>; clocks = <&tegra_car TEGRA124_CLK_CCLK_G>, - <&tegra_car TEGRA124_CLK_CCLK_LP>, <&tegra_car TEGRA124_CLK_PLL_X>, <&tegra_car TEGRA124_CLK_PLL_P>, <&dfll>; - clock-names = "cpu_g", "cpu_lp", "pll_x", "pll_p", "dfll"; + clock-names = "cpu_g", "pll_x", "pll_p", "dfll"; clock-latency = <300000>; - vdd-cpu-supply: <&vdd_cpu>; }; <...> diff --git a/Documentation/devicetree/bindings/display/amlogic,simple-framebuffer.txt b/Documentation/devicetree/bindings/display/amlogic,simple-framebuffer.txt new file mode 100644 index 000000000000..aaa6c24c8e70 --- /dev/null +++ b/Documentation/devicetree/bindings/display/amlogic,simple-framebuffer.txt @@ -0,0 +1,33 @@ +Meson specific Simple Framebuffer bindings + +This binding documents meson specific extensions to the simple-framebuffer +bindings. The meson simplefb u-boot code relies on the devicetree containing +pre-populated simplefb nodes. + +These extensions are intended so that u-boot can select the right node based +on which pipeline is being used. As such they are solely intended for +firmware / bootloader use, and the OS should ignore them. + +Required properties: +- compatible: "amlogic,simple-framebuffer", "simple-framebuffer" +- amlogic,pipeline, one of: + "vpu-cvbs" + "vpu-hdmi" + +Example: + +chosen { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + simplefb_hdmi: framebuffer-hdmi { + compatible = "amlogic,simple-framebuffer", + "simple-framebuffer"; + amlogic,pipeline = "vpu-hdmi"; + clocks = <&clkc CLKID_HDMI_PCLK>, + <&clkc CLKID_CLK81>, + <&clkc CLKID_GCLK_VENCI_INT0>; + power-domains = <&pwrc_vpu>; + }; +}; diff --git a/Documentation/devicetree/bindings/display/arm,pl11x.txt b/Documentation/devicetree/bindings/display/arm,pl11x.txt index ef89ab46b2c9..572fa2773ec4 100644 --- a/Documentation/devicetree/bindings/display/arm,pl11x.txt +++ b/Documentation/devicetree/bindings/display/arm,pl11x.txt @@ -1,6 +1,6 @@ * ARM PrimeCell Color LCD Controller PL110/PL111 -See also Documentation/devicetree/bindings/arm/primecell.txt +See also Documentation/devicetree/bindings/arm/primecell.yaml Required properties: diff --git a/Documentation/devicetree/bindings/display/msm/gpu.txt b/Documentation/devicetree/bindings/display/msm/gpu.txt index ac8df3b871f9..f8759145ce1a 100644 --- a/Documentation/devicetree/bindings/display/msm/gpu.txt +++ b/Documentation/devicetree/bindings/display/msm/gpu.txt @@ -27,7 +27,6 @@ Example: reg = <0x04300000 0x20000>; reg-names = "kgsl_3d0_reg_memory"; interrupts = <GIC_SPI 80 0>; - interrupt-names = "kgsl_3d0_irq"; clock-names = "core", "iface", diff --git a/Documentation/devicetree/bindings/firmware/nvidia,tegra186-bpmp.txt b/Documentation/devicetree/bindings/firmware/nvidia,tegra186-bpmp.txt index 0c10802c8327..ff380dadb5f9 100644 --- a/Documentation/devicetree/bindings/firmware/nvidia,tegra186-bpmp.txt +++ b/Documentation/devicetree/bindings/firmware/nvidia,tegra186-bpmp.txt @@ -8,7 +8,6 @@ which can create the interprocessor communication (IPC) between the CPU and BPMP. Required properties: -- name : Should be bpmp - compatible Array of strings One of: diff --git a/Documentation/devicetree/bindings/firmware/nvidia,tegra210-bpmp.txt b/Documentation/devicetree/bindings/firmware/nvidia,tegra210-bpmp.txt new file mode 100644 index 000000000000..68d814e8c09d --- /dev/null +++ b/Documentation/devicetree/bindings/firmware/nvidia,tegra210-bpmp.txt @@ -0,0 +1,35 @@ +NVIDIA Tegra210 Boot and Power Management Processor (BPMP) + +The Boot and Power Management Processor (BPMP) is a co-processor found +in Tegra210 SoC. It is designed to handle the early stages of the boot +process as well as to assisting in entering deep low power state +(suspend to ram), and also offloading DRAM memory clock scaling on +some platforms. The binding document defines the resources that would +be used by the BPMP T210 firmware driver, which can create the +interprocessor communication (IPC) between the CPU and BPMP. + +Required properties: +- compatible + Array of strings + One of: + - "nvidia,tegra210-bpmp" +- reg: physical base address and length for HW synchornization primitives + 1) base address and length to Tegra 'atomics' hardware + 2) base address and length to Tegra 'semaphore' hardware +- interrupts: specifies the interrupt number for receiving messages ("rx") + and for triggering messages ("tx") + +Optional properties: +- #clock-cells : Should be 1 for platforms where DRAM clock control is + offloaded to bpmp. + +Example: + +bpmp@70016000 { + compatible = "nvidia,tegra210-bpmp"; + reg = <0x0 0x70016000 0x0 0x2000 + 0x0 0x60001000 0x0 0x1000>; + interrupts = <GIC_SPI 6 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 4 IRQ_TYPE_EDGE_RISING>; + interrupt-names = "tx", "rx"; +}; diff --git a/Documentation/devicetree/bindings/gpio/gpio-mvebu.txt b/Documentation/devicetree/bindings/gpio/gpio-mvebu.txt index 38ca2201e8ae..2e097b57f170 100644 --- a/Documentation/devicetree/bindings/gpio/gpio-mvebu.txt +++ b/Documentation/devicetree/bindings/gpio/gpio-mvebu.txt @@ -14,8 +14,6 @@ Required properties: "marvell,armada-8k-gpio" should be used for the Armada 7K and 8K SoCs (either from AP or CP), see - Documentation/devicetree/bindings/arm/marvell/cp110-system-controller0.txt - and Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt for specific details about the offset property. diff --git a/Documentation/devicetree/bindings/gpu/arm,mali-utgard.txt b/Documentation/devicetree/bindings/gpu/arm,mali-utgard.txt index 3f128e4f95c6..ae63f09fda7d 100644 --- a/Documentation/devicetree/bindings/gpu/arm,mali-utgard.txt +++ b/Documentation/devicetree/bindings/gpu/arm,mali-utgard.txt @@ -13,6 +13,8 @@ Required properties: + allwinner,sun8i-h3-mali + allwinner,sun50i-a64-mali + allwinner,sun50i-h5-mali + + amlogic,meson8-mali + + amlogic,meson8b-mali + amlogic,meson-gxbb-mali + amlogic,meson-gxl-mali + rockchip,rk3036-mali @@ -82,6 +84,10 @@ to specify one more vendor-specific compatible, among: Required properties: * resets: phandle to the reset line for the GPU + - amlogic,meson8-mali and amlogic,meson8b-mali + Required properties: + * resets: phandle to the reset line for the GPU + - Rockchip variants: Required properties: * resets: phandle to the reset line for the GPU diff --git a/Documentation/devicetree/bindings/input/touchscreen/ti-tsc-adc.txt b/Documentation/devicetree/bindings/input/touchscreen/ti-tsc-adc.txt index b1163bf97146..aad5e34965eb 100644 --- a/Documentation/devicetree/bindings/input/touchscreen/ti-tsc-adc.txt +++ b/Documentation/devicetree/bindings/input/touchscreen/ti-tsc-adc.txt @@ -2,7 +2,12 @@ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Required properties: +- mfd + compatible: Should be + "ti,am3359-tscadc" for AM335x/AM437x SoCs + "ti,am654-tscadc", "ti,am3359-tscadc" for AM654 SoCs - child "tsc" + compatible: Should be "ti,am3359-tsc". ti,wires: Wires refer to application modes i.e. 4/5/8 wire touchscreen support on the platform. ti,x-plate-resistance: X plate resistance @@ -25,6 +30,9 @@ Required properties: AIN0 = 0, AIN1 = 1 and so on till AIN7 = 7. XP = 0, XN = 1, YP = 2, YN = 3. - child "adc" + compatible: Should be + "ti,am3359-adc" for AM335x/AM437x SoCs + "ti,am654-adc", "ti,am3359-adc" for AM654 SoCs ti,adc-channels: List of analog inputs available for ADC. AIN0 = 0, AIN1 = 1 and so on till AIN7 = 7. diff --git a/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.txt b/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.txt index b83bb8249074..a3be5298a5eb 100644 --- a/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.txt +++ b/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.txt @@ -78,7 +78,7 @@ Sub-nodes: PPI affinity can be expressed as a single "ppi-partitions" node, containing a set of sub-nodes, each with the following property: - affinity: Should be a list of phandles to CPU nodes (as described in -Documentation/devicetree/bindings/arm/cpus.txt). + Documentation/devicetree/bindings/arm/cpus.yaml). GICv3 has one or more Interrupt Translation Services (ITS) that are used to route Message Signalled Interrupts (MSI) to the CPUs. diff --git a/Documentation/devicetree/bindings/interrupt-controller/mediatek,sysirq.txt b/Documentation/devicetree/bindings/interrupt-controller/mediatek,sysirq.txt index 33a98eb44949..c5d589108a94 100644 --- a/Documentation/devicetree/bindings/interrupt-controller/mediatek,sysirq.txt +++ b/Documentation/devicetree/bindings/interrupt-controller/mediatek,sysirq.txt @@ -9,6 +9,7 @@ Required properties: "mediatek,mt8135-sysirq", "mediatek,mt6577-sysirq": for MT8135 "mediatek,mt8127-sysirq", "mediatek,mt6577-sysirq": for MT8127 "mediatek,mt7622-sysirq", "mediatek,mt6577-sysirq": for MT7622 + "mediatek,mt7623-sysirq", "mediatek,mt6577-sysirq": for MT7623 "mediatek,mt6795-sysirq", "mediatek,mt6577-sysirq": for MT6795 "mediatek,mt6797-sysirq", "mediatek,mt6577-sysirq": for MT6797 "mediatek,mt6765-sysirq", "mediatek,mt6577-sysirq": for MT6765 diff --git a/Documentation/devicetree/bindings/reset/socfpga-reset.txt b/Documentation/devicetree/bindings/reset/socfpga-reset.txt index 98c9f560e5c5..38fe34fd8b8a 100644 --- a/Documentation/devicetree/bindings/reset/socfpga-reset.txt +++ b/Documentation/devicetree/bindings/reset/socfpga-reset.txt @@ -1,7 +1,8 @@ Altera SOCFPGA Reset Manager Required properties: -- compatible : "altr,rst-mgr" +- compatible : "altr,rst-mgr" for (Cyclone5/Arria5/Arria10) + "altr,stratix10-rst-mgr","altr,rst-mgr" for Stratix10 ARM64 SoC - reg : Should contain 1 register ranges(address and length) - altr,modrst-offset : Should contain the offset of the first modrst register. - #reset-cells: 1 diff --git a/Documentation/devicetree/bindings/reset/uniphier-reset.txt b/Documentation/devicetree/bindings/reset/uniphier-reset.txt index 101743dda223..ea005177d20a 100644 --- a/Documentation/devicetree/bindings/reset/uniphier-reset.txt +++ b/Documentation/devicetree/bindings/reset/uniphier-reset.txt @@ -120,27 +120,30 @@ Example: }; -USB3 core reset ---------------- +Peripheral core reset in glue layer +----------------------------------- -USB3 core reset belongs to USB3 glue layer. Before using the core reset, -it is necessary to control the clocks and resets to enable this layer. -These clocks and resets should be described in each property. +Some peripheral core reset belongs to its own glue layer. Before using +this core reset, it is necessary to control the clocks and resets to enable +this layer. These clocks and resets should be described in each property. Required properties: - compatible: Should be - "socionext,uniphier-pro4-usb3-reset" - for Pro4 SoC - "socionext,uniphier-pxs2-usb3-reset" - for PXs2 SoC - "socionext,uniphier-ld20-usb3-reset" - for LD20 SoC - "socionext,uniphier-pxs3-usb3-reset" - for PXs3 SoC + "socionext,uniphier-pro4-usb3-reset" - for Pro4 SoC USB3 + "socionext,uniphier-pxs2-usb3-reset" - for PXs2 SoC USB3 + "socionext,uniphier-ld20-usb3-reset" - for LD20 SoC USB3 + "socionext,uniphier-pxs3-usb3-reset" - for PXs3 SoC USB3 + "socionext,uniphier-pro4-ahci-reset" - for Pro4 SoC AHCI + "socionext,uniphier-pxs2-ahci-reset" - for PXs2 SoC AHCI + "socionext,uniphier-pxs3-ahci-reset" - for PXs3 SoC AHCI - #reset-cells: Should be 1. - reg: Specifies offset and length of the register set for the device. -- clocks: A list of phandles to the clock gate for USB3 glue layer. +- clocks: A list of phandles to the clock gate for the glue layer. According to the clock-names, appropriate clocks are required. - clock-names: Should contain "gio", "link" - for Pro4 SoC "link" - for others -- resets: A list of phandles to the reset control for USB3 glue layer. +- resets: A list of phandles to the reset control for the glue layer. According to the reset-names, appropriate resets are required. - reset-names: Should contain "gio", "link" - for Pro4 SoC diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,glink.txt b/Documentation/devicetree/bindings/soc/qcom/qcom,glink.txt index 0b8cc533ca83..cf759e5f9b10 100644 --- a/Documentation/devicetree/bindings/soc/qcom/qcom,glink.txt +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,glink.txt @@ -55,7 +55,7 @@ of these nodes are defined by the individual bindings for the specific function = EXAMPLE The following example represents the GLINK RPM node on a MSM8996 device, with the function for the "rpm_request" channel defined, which is used for -regualtors and root clocks. +regulators and root clocks. apcs_glb: mailbox@9820000 { compatible = "qcom,msm8996-apcs-hmss-global"; diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,smp2p.txt b/Documentation/devicetree/bindings/soc/qcom/qcom,smp2p.txt index a35af2dafdad..49e1d72d3648 100644 --- a/Documentation/devicetree/bindings/soc/qcom/qcom,smp2p.txt +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,smp2p.txt @@ -41,12 +41,12 @@ processor ID) and a string identifier. - qcom,local-pid: Usage: required Value type: <u32> - Definition: specifies the identfier of the local endpoint of this edge + Definition: specifies the identifier of the local endpoint of this edge - qcom,remote-pid: Usage: required Value type: <u32> - Definition: specifies the identfier of the remote endpoint of this edge + Definition: specifies the identifier of the remote endpoint of this edge = SUBNODES Each SMP2P pair contain a set of inbound and outbound entries, these are diff --git a/Documentation/devicetree/bindings/sram/sunxi-sram.txt b/Documentation/devicetree/bindings/sram/sunxi-sram.txt index ab5a70bb9a64..380246a805f2 100644 --- a/Documentation/devicetree/bindings/sram/sunxi-sram.txt +++ b/Documentation/devicetree/bindings/sram/sunxi-sram.txt @@ -63,6 +63,7 @@ The valid sections compatible for H5 are: The valid sections compatible for H6 are: - allwinner,sun50i-h6-sram-c, allwinner,sun50i-a64-sram-c + - allwinner,sun50i-h6-sram-c1, allwinner,sun4i-a10-sram-c1 The valid sections compatible for F1C100s are: - allwinner,suniv-f1c100s-sram-d, allwinner,sun4i-a10-sram-d diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt index 389508584f48..8f574c778290 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.txt +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt @@ -24,6 +24,7 @@ amarula Amarula Solutions amazon Amazon.com, Inc. amcc Applied Micro Circuits Corporation (APM, formally AMCC) amd Advanced Micro Devices (AMD), Inc. +amediatech Shenzhen Amediatech Technology Co., Ltd amlogic Amlogic, Inc. ampire Ampire Co., Ltd. ams AMS AG @@ -65,6 +66,7 @@ bticino Bticino International calxeda Calxeda capella Capella Microsystems, Inc cascoda Cascoda, Ltd. +catalyst Catalyst Semiconductor, Inc. cavium Cavium, Inc. cdns Cadence Design Systems Inc. cdtech CDTech(H.K.) Electronics Limited @@ -108,11 +110,13 @@ dongwoon Dongwoon Anatech dptechnics DPTechnics dragino Dragino Technology Co., Limited ea Embedded Artists AB +ebs-systart EBS-SYSTART GmbH ebv EBV Elektronik eckelmann Eckelmann AG edt Emerging Display Technologies eeti eGalax_eMPIA Technology Inc elan Elan Microelectronic Corp. +elgin Elgin S/A. embest Shenzhen Embest Technology Co., Ltd. emlid Emlid, Ltd. emmicro EM Microelectronic @@ -273,6 +277,7 @@ nintendo Nintendo nlt NLT Technologies, Ltd. nokia Nokia nordic Nordic Semiconductor +novtech NovTech, Inc. nutsboard NutsBoard nuvoton Nuvoton Technology Corporation nvd New Vision Display diff --git a/Documentation/driver-model/bus.txt b/Documentation/driver-model/bus.txt index b577a45b93ea..c247b488a567 100644 --- a/Documentation/driver-model/bus.txt +++ b/Documentation/driver-model/bus.txt @@ -124,11 +124,11 @@ struct bus_attribute { ssize_t (*store)(struct bus_type *, const char * buf, size_t count); }; -Bus drivers can export attributes using the BUS_ATTR macro that works -similarly to the DEVICE_ATTR macro for devices. For example, a definition -like this: +Bus drivers can export attributes using the BUS_ATTR_RW macro that works +similarly to the DEVICE_ATTR_RW macro for devices. For example, a +definition like this: -static BUS_ATTR(debug,0644,show_debug,store_debug); +static BUS_ATTR_RW(debug); is equivalent to declaring: diff --git a/Documentation/fb/fbcon.txt b/Documentation/fb/fbcon.txt index 62af30511a95..60a5ec04e8f0 100644 --- a/Documentation/fb/fbcon.txt +++ b/Documentation/fb/fbcon.txt @@ -163,6 +163,14 @@ C. Boot options be preserved until there actually is some text is output to the console. This option causes fbcon to bind immediately to the fbdev device. +7. fbcon=logo-pos:<location> + + The only possible 'location' is 'center' (without quotes), and when + given, the bootup logo is moved from the default top-left corner + location to the center of the framebuffer. If more than one logo is + displayed due to multiple CPUs, the collected line of logos is moved + as a whole. + C. Attaching, Detaching and Unloading Before going on to how to attach, detach and unload the framebuffer console, an diff --git a/Documentation/features/core/cBPF-JIT/arch-support.txt b/Documentation/features/core/cBPF-JIT/arch-support.txt index 90459cdde314..8620c38d4db0 100644 --- a/Documentation/features/core/cBPF-JIT/arch-support.txt +++ b/Documentation/features/core/cBPF-JIT/arch-support.txt @@ -11,6 +11,7 @@ | arm: | TODO | | arm64: | TODO | | c6x: | TODO | + | csky: | TODO | | h8300: | TODO | | hexagon: | TODO | | ia64: | TODO | diff --git a/Documentation/features/core/eBPF-JIT/arch-support.txt b/Documentation/features/core/eBPF-JIT/arch-support.txt index c90a0382fe66..9ae6e8d0d10d 100644 --- a/Documentation/features/core/eBPF-JIT/arch-support.txt +++ b/Documentation/features/core/eBPF-JIT/arch-support.txt @@ -11,6 +11,7 @@ | arm: | ok | | arm64: | ok | | c6x: | TODO | + | csky: | TODO | | h8300: | TODO | | hexagon: | TODO | | ia64: | TODO | diff --git a/Documentation/features/core/generic-idle-thread/arch-support.txt b/Documentation/features/core/generic-idle-thread/arch-support.txt index 0ef6acdb991c..365df2c2ff0b 100644 --- a/Documentation/features/core/generic-idle-thread/arch-support.txt +++ b/Documentation/features/core/generic-idle-thread/arch-support.txt @@ -11,6 +11,7 @@ | arm: | ok | | arm64: | ok | | c6x: | TODO | + | csky: | ok | | h8300: | TODO | | hexagon: | ok | | ia64: | ok | diff --git a/Documentation/features/core/jump-labels/arch-support.txt b/Documentation/features/core/jump-labels/arch-support.txt index 60111395f932..7fc2e243dee9 100644 --- a/Documentation/features/core/jump-labels/arch-support.txt +++ b/Documentation/features/core/jump-labels/arch-support.txt @@ -11,6 +11,7 @@ | arm: | ok | | arm64: | ok | | c6x: | TODO | + | csky: | TODO | | h8300: | TODO | | hexagon: | TODO | | ia64: | TODO | diff --git a/Documentation/features/core/tracehook/arch-support.txt b/Documentation/features/core/tracehook/arch-support.txt index f44c274e40ed..d344b99aae1e 100644 --- a/Documentation/features/core/tracehook/arch-support.txt +++ b/Documentation/features/core/tracehook/arch-support.txt @@ -11,6 +11,7 @@ | arm: | ok | | arm64: | ok | | c6x: | ok | + | csky: | ok | | h8300: | TODO | | hexagon: | ok | | ia64: | ok | diff --git a/Documentation/features/debug/KASAN/arch-support.txt b/Documentation/features/debug/KASAN/arch-support.txt index 282ecc8ea1da..304dcd461795 100644 --- a/Documentation/features/debug/KASAN/arch-support.txt +++ b/Documentation/features/debug/KASAN/arch-support.txt @@ -11,6 +11,7 @@ | arm: | TODO | | arm64: | ok | | c6x: | TODO | + | csky: | TODO | | h8300: | TODO | | hexagon: | TODO | | ia64: | TODO | diff --git a/Documentation/features/debug/gcov-profile-all/arch-support.txt b/Documentation/features/debug/gcov-profile-all/arch-support.txt index 01b2b3004e0a..059d58a549c7 100644 --- a/Documentation/features/debug/gcov-profile-all/arch-support.txt +++ b/Documentation/features/debug/gcov-profile-all/arch-support.txt @@ -11,6 +11,7 @@ | arm: | ok | | arm64: | ok | | c6x: | TODO | + | csky: | TODO | | h8300: | TODO | | hexagon: | TODO | | ia64: | TODO | diff --git a/Documentation/features/debug/kgdb/arch-support.txt b/Documentation/features/debug/kgdb/arch-support.txt index 3b4dff22329f..3e6b8f07d5d0 100644 --- a/Documentation/features/debug/kgdb/arch-support.txt +++ b/Documentation/features/debug/kgdb/arch-support.txt @@ -11,6 +11,7 @@ | arm: | ok | | arm64: | ok | | c6x: | TODO | + | csky: | TODO | | h8300: | ok | | hexagon: | ok | | ia64: | TODO | diff --git a/Documentation/features/debug/kprobes-on-ftrace/arch-support.txt b/Documentation/features/debug/kprobes-on-ftrace/arch-support.txt index 7e963d0ae646..68f266944d5f 100644 --- a/Documentation/features/debug/kprobes-on-ftrace/arch-support.txt +++ b/Documentation/features/debug/kprobes-on-ftrace/arch-support.txt @@ -11,6 +11,7 @@ | arm: | TODO | | arm64: | TODO | | c6x: | TODO | + | csky: | TODO | | h8300: | TODO | | hexagon: | TODO | | ia64: | TODO | diff --git a/Documentation/features/debug/kprobes/arch-support.txt b/Documentation/features/debug/kprobes/arch-support.txt index 4ada027faf16..f4e45bd58fea 100644 --- a/Documentation/features/debug/kprobes/arch-support.txt +++ b/Documentation/features/debug/kprobes/arch-support.txt @@ -11,6 +11,7 @@ | arm: | ok | | arm64: | ok | | c6x: | TODO | + | csky: | TODO | | h8300: | TODO | | hexagon: | TODO | | ia64: | ok | diff --git a/Documentation/features/debug/kretprobes/arch-support.txt b/Documentation/features/debug/kretprobes/arch-support.txt index 044e13fcca5d..1d5651ef11f8 100644 --- a/Documentation/features/debug/kretprobes/arch-support.txt +++ b/Documentation/features/debug/kretprobes/arch-support.txt @@ -11,6 +11,7 @@ | arm: | ok | | arm64: | ok | | c6x: | TODO | + | csky: | TODO | | h8300: | TODO | | hexagon: | TODO | | ia64: | ok | diff --git a/Documentation/features/debug/optprobes/arch-support.txt b/Documentation/features/debug/optprobes/arch-support.txt index dce7669c918f..fb297a88f62c 100644 --- a/Documentation/features/debug/optprobes/arch-support.txt +++ b/Documentation/features/debug/optprobes/arch-support.txt @@ -11,6 +11,7 @@ | arm: | ok | | arm64: | TODO | | c6x: | TODO | + | csky: | TODO | | h8300: | TODO | | hexagon: | TODO | | ia64: | TODO | diff --git a/Documentation/features/debug/stackprotector/arch-support.txt b/Documentation/features/debug/stackprotector/arch-support.txt index 954ac1c95553..9999ea521f3e 100644 --- a/Documentation/features/debug/stackprotector/arch-support.txt +++ b/Documentation/features/debug/stackprotector/arch-support.txt @@ -11,6 +11,7 @@ | arm: | ok | | arm64: | ok | | c6x: | TODO | + | csky: | TODO | | h8300: | TODO | | hexagon: | TODO | | ia64: | TODO | diff --git a/Documentation/features/debug/uprobes/arch-support.txt b/Documentation/features/debug/uprobes/arch-support.txt index 1a3f9d3229bf..1c577d0cfc7f 100644 --- a/Documentation/features/debug/uprobes/arch-support.txt +++ b/Documentation/features/debug/uprobes/arch-support.txt @@ -11,6 +11,7 @@ | arm: | ok | | arm64: | ok | | c6x: | TODO | + | csky: | TODO | | h8300: | TODO | | hexagon: | TODO | | ia64: | TODO | diff --git a/Documentation/features/debug/user-ret-profiler/arch-support.txt b/Documentation/features/debug/user-ret-profiler/arch-support.txt index 1d78d1069a5f..6bfa36b0e017 100644 --- a/Documentation/features/debug/user-ret-profiler/arch-support.txt +++ b/Documentation/features/debug/user-ret-profiler/arch-support.txt @@ -11,6 +11,7 @@ | arm: | TODO | | arm64: | TODO | | c6x: | TODO | + | csky: | TODO | | h8300: | TODO | | hexagon: | TODO | | ia64: | TODO | diff --git a/Documentation/features/io/dma-contiguous/arch-support.txt b/Documentation/features/io/dma-contiguous/arch-support.txt index 30c072d2b67c..eb28b5c97ca6 100644 --- a/Documentation/features/io/dma-contiguous/arch-support.txt +++ b/Documentation/features/io/dma-contiguous/arch-support.txt @@ -11,6 +11,7 @@ | arm: | ok | | arm64: | ok | | c6x: | TODO | + | csky: | ok | | h8300: | TODO | | hexagon: | TODO | | ia64: | TODO | diff --git a/Documentation/features/locking/cmpxchg-local/arch-support.txt b/Documentation/features/locking/cmpxchg-local/arch-support.txt index 51704a2dc8d1..242ff5a6586e 100644 --- a/Documentation/features/locking/cmpxchg-local/arch-support.txt +++ b/Documentation/features/locking/cmpxchg-local/arch-support.txt @@ -11,6 +11,7 @@ | arm: | TODO | | arm64: | ok | | c6x: | TODO | + | csky: | TODO | | h8300: | TODO | | hexagon: | TODO | | ia64: | TODO | diff --git a/Documentation/features/locking/lockdep/arch-support.txt b/Documentation/features/locking/lockdep/arch-support.txt index bd39c5edd460..941fd5b1094d 100644 --- a/Documentation/features/locking/lockdep/arch-support.txt +++ b/Documentation/features/locking/lockdep/arch-support.txt @@ -11,6 +11,7 @@ | arm: | ok | | arm64: | ok | | c6x: | TODO | + | csky: | TODO | | h8300: | TODO | | hexagon: | ok | | ia64: | TODO | diff --git a/Documentation/features/locking/queued-rwlocks/arch-support.txt b/Documentation/features/locking/queued-rwlocks/arch-support.txt index da7aff3bee0b..c683da198f31 100644 --- a/Documentation/features/locking/queued-rwlocks/arch-support.txt +++ b/Documentation/features/locking/queued-rwlocks/arch-support.txt @@ -11,6 +11,7 @@ | arm: | TODO | | arm64: | ok | | c6x: | TODO | + | csky: | ok | | h8300: | TODO | | hexagon: | TODO | | ia64: | TODO | diff --git a/Documentation/features/locking/queued-spinlocks/arch-support.txt b/Documentation/features/locking/queued-spinlocks/arch-support.txt index 478e9101322c..e3080b82aefd 100644 --- a/Documentation/features/locking/queued-spinlocks/arch-support.txt +++ b/Documentation/features/locking/queued-spinlocks/arch-support.txt @@ -11,6 +11,7 @@ | arm: | TODO | | arm64: | TODO | | c6x: | TODO | + | csky: | TODO | | h8300: | TODO | | hexagon: | TODO | | ia64: | TODO | diff --git a/Documentation/features/locking/rwsem-optimized/arch-support.txt b/Documentation/features/locking/rwsem-optimized/arch-support.txt index e54b1f1a8091..7521d7500fbe 100644 --- a/Documentation/features/locking/rwsem-optimized/arch-support.txt +++ b/Documentation/features/locking/rwsem-optimized/arch-support.txt @@ -11,6 +11,7 @@ | arm: | ok | | arm64: | ok | | c6x: | TODO | + | csky: | TODO | | h8300: | TODO | | hexagon: | TODO | | ia64: | ok | diff --git a/Documentation/features/perf/kprobes-event/arch-support.txt b/Documentation/features/perf/kprobes-event/arch-support.txt index 7331402d1887..d8278bf62b85 100644 --- a/Documentation/features/perf/kprobes-event/arch-support.txt +++ b/Documentation/features/perf/kprobes-event/arch-support.txt @@ -11,6 +11,7 @@ | arm: | ok | | arm64: | ok | | c6x: | TODO | + | csky: | TODO | | h8300: | TODO | | hexagon: | ok | | ia64: | TODO | diff --git a/Documentation/features/perf/perf-regs/arch-support.txt b/Documentation/features/perf/perf-regs/arch-support.txt index 53feeee6cdad..687d049d9cee 100644 --- a/Documentation/features/perf/perf-regs/arch-support.txt +++ b/Documentation/features/perf/perf-regs/arch-support.txt @@ -11,6 +11,7 @@ | arm: | ok | | arm64: | ok | | c6x: | TODO | + | csky: | TODO | | h8300: | TODO | | hexagon: | TODO | | ia64: | TODO | diff --git a/Documentation/features/perf/perf-stackdump/arch-support.txt b/Documentation/features/perf/perf-stackdump/arch-support.txt index 16164348e0ea..90996e3d18a8 100644 --- a/Documentation/features/perf/perf-stackdump/arch-support.txt +++ b/Documentation/features/perf/perf-stackdump/arch-support.txt @@ -11,6 +11,7 @@ | arm: | ok | | arm64: | ok | | c6x: | TODO | + | csky: | TODO | | h8300: | TODO | | hexagon: | TODO | | ia64: | TODO | diff --git a/Documentation/features/sched/membarrier-sync-core/arch-support.txt b/Documentation/features/sched/membarrier-sync-core/arch-support.txt index c7858dd1ea8f..8a521a622966 100644 --- a/Documentation/features/sched/membarrier-sync-core/arch-support.txt +++ b/Documentation/features/sched/membarrier-sync-core/arch-support.txt @@ -34,6 +34,7 @@ | arm: | ok | | arm64: | ok | | c6x: | TODO | + | csky: | TODO | | h8300: | TODO | | hexagon: | TODO | | ia64: | TODO | diff --git a/Documentation/features/sched/numa-balancing/arch-support.txt b/Documentation/features/sched/numa-balancing/arch-support.txt index c68bb2c2cb62..350823692f28 100644 --- a/Documentation/features/sched/numa-balancing/arch-support.txt +++ b/Documentation/features/sched/numa-balancing/arch-support.txt @@ -11,6 +11,7 @@ | arm: | .. | | arm64: | ok | | c6x: | .. | + | csky: | .. | | h8300: | .. | | hexagon: | .. | | ia64: | TODO | diff --git a/Documentation/features/seccomp/seccomp-filter/arch-support.txt b/Documentation/features/seccomp/seccomp-filter/arch-support.txt index d4271b493b41..4fe6c3c3be5c 100644 --- a/Documentation/features/seccomp/seccomp-filter/arch-support.txt +++ b/Documentation/features/seccomp/seccomp-filter/arch-support.txt @@ -11,6 +11,7 @@ | arm: | ok | | arm64: | ok | | c6x: | TODO | + | csky: | TODO | | h8300: | TODO | | hexagon: | TODO | | ia64: | TODO | diff --git a/Documentation/features/time/arch-tick-broadcast/arch-support.txt b/Documentation/features/time/arch-tick-broadcast/arch-support.txt index 83d9e68462bb..593536f7925b 100644 --- a/Documentation/features/time/arch-tick-broadcast/arch-support.txt +++ b/Documentation/features/time/arch-tick-broadcast/arch-support.txt @@ -11,6 +11,7 @@ | arm: | ok | | arm64: | ok | | c6x: | TODO | + | csky: | TODO | | h8300: | TODO | | hexagon: | TODO | | ia64: | TODO | diff --git a/Documentation/features/time/clockevents/arch-support.txt b/Documentation/features/time/clockevents/arch-support.txt index 3d4908fce6da..7a27157da408 100644 --- a/Documentation/features/time/clockevents/arch-support.txt +++ b/Documentation/features/time/clockevents/arch-support.txt @@ -11,6 +11,7 @@ | arm: | ok | | arm64: | ok | | c6x: | ok | + | csky: | ok | | h8300: | ok | | hexagon: | ok | | ia64: | TODO | diff --git a/Documentation/features/time/context-tracking/arch-support.txt b/Documentation/features/time/context-tracking/arch-support.txt index c29974afffaa..048bfb6d3872 100644 --- a/Documentation/features/time/context-tracking/arch-support.txt +++ b/Documentation/features/time/context-tracking/arch-support.txt @@ -11,6 +11,7 @@ | arm: | ok | | arm64: | ok | | c6x: | TODO | + | csky: | TODO | | h8300: | TODO | | hexagon: | TODO | | ia64: | TODO | diff --git a/Documentation/features/time/irq-time-acct/arch-support.txt b/Documentation/features/time/irq-time-acct/arch-support.txt index 8d73c463ec27..a14bbad8e948 100644 --- a/Documentation/features/time/irq-time-acct/arch-support.txt +++ b/Documentation/features/time/irq-time-acct/arch-support.txt @@ -11,6 +11,7 @@ | arm: | ok | | arm64: | ok | | c6x: | TODO | + | csky: | TODO | | h8300: | TODO | | hexagon: | TODO | | ia64: | .. | diff --git a/Documentation/features/time/modern-timekeeping/arch-support.txt b/Documentation/features/time/modern-timekeeping/arch-support.txt index e7c6ea6b8fb3..2855dfe2464d 100644 --- a/Documentation/features/time/modern-timekeeping/arch-support.txt +++ b/Documentation/features/time/modern-timekeeping/arch-support.txt @@ -11,6 +11,7 @@ | arm: | TODO | | arm64: | ok | | c6x: | ok | + | csky: | ok | | h8300: | ok | | hexagon: | ok | | ia64: | ok | diff --git a/Documentation/features/time/virt-cpuacct/arch-support.txt b/Documentation/features/time/virt-cpuacct/arch-support.txt index 4646457461cf..fb0d0cab9cab 100644 --- a/Documentation/features/time/virt-cpuacct/arch-support.txt +++ b/Documentation/features/time/virt-cpuacct/arch-support.txt @@ -11,6 +11,7 @@ | arm: | ok | | arm64: | ok | | c6x: | TODO | + | csky: | TODO | | h8300: | TODO | | hexagon: | TODO | | ia64: | ok | diff --git a/Documentation/features/vm/ELF-ASLR/arch-support.txt b/Documentation/features/vm/ELF-ASLR/arch-support.txt index 1f71d090ff2c..adc25878d217 100644 --- a/Documentation/features/vm/ELF-ASLR/arch-support.txt +++ b/Documentation/features/vm/ELF-ASLR/arch-support.txt @@ -11,6 +11,7 @@ | arm: | ok | | arm64: | ok | | c6x: | TODO | + | csky: | TODO | | h8300: | TODO | | hexagon: | TODO | | ia64: | TODO | diff --git a/Documentation/features/vm/PG_uncached/arch-support.txt b/Documentation/features/vm/PG_uncached/arch-support.txt index fbd5aa463b0a..f05588f9e4b4 100644 --- a/Documentation/features/vm/PG_uncached/arch-support.txt +++ b/Documentation/features/vm/PG_uncached/arch-support.txt @@ -11,6 +11,7 @@ | arm: | TODO | | arm64: | TODO | | c6x: | TODO | + | csky: | TODO | | h8300: | TODO | | hexagon: | TODO | | ia64: | ok | diff --git a/Documentation/features/vm/THP/arch-support.txt b/Documentation/features/vm/THP/arch-support.txt index 5d7ecc378f29..cdfe8925f881 100644 --- a/Documentation/features/vm/THP/arch-support.txt +++ b/Documentation/features/vm/THP/arch-support.txt @@ -11,6 +11,7 @@ | arm: | ok | | arm64: | ok | | c6x: | .. | + | csky: | .. | | h8300: | .. | | hexagon: | .. | | ia64: | TODO | diff --git a/Documentation/features/vm/TLB/arch-support.txt b/Documentation/features/vm/TLB/arch-support.txt index f7af9678eb66..2bdd3b6cee3c 100644 --- a/Documentation/features/vm/TLB/arch-support.txt +++ b/Documentation/features/vm/TLB/arch-support.txt @@ -11,6 +11,7 @@ | arm: | TODO | | arm64: | TODO | | c6x: | .. | + | csky: | TODO | | h8300: | .. | | hexagon: | TODO | | ia64: | TODO | diff --git a/Documentation/features/vm/huge-vmap/arch-support.txt b/Documentation/features/vm/huge-vmap/arch-support.txt index d0713ccc7117..019131c5acce 100644 --- a/Documentation/features/vm/huge-vmap/arch-support.txt +++ b/Documentation/features/vm/huge-vmap/arch-support.txt @@ -11,6 +11,7 @@ | arm: | TODO | | arm64: | ok | | c6x: | TODO | + | csky: | TODO | | h8300: | TODO | | hexagon: | TODO | | ia64: | TODO | diff --git a/Documentation/features/vm/ioremap_prot/arch-support.txt b/Documentation/features/vm/ioremap_prot/arch-support.txt index 326e4797bc65..3a6b87de6a19 100644 --- a/Documentation/features/vm/ioremap_prot/arch-support.txt +++ b/Documentation/features/vm/ioremap_prot/arch-support.txt @@ -11,6 +11,7 @@ | arm: | TODO | | arm64: | TODO | | c6x: | TODO | + | csky: | TODO | | h8300: | TODO | | hexagon: | TODO | | ia64: | TODO | diff --git a/Documentation/features/vm/numa-memblock/arch-support.txt b/Documentation/features/vm/numa-memblock/arch-support.txt index 1a988052cd24..3004beb0fd71 100644 --- a/Documentation/features/vm/numa-memblock/arch-support.txt +++ b/Documentation/features/vm/numa-memblock/arch-support.txt @@ -11,6 +11,7 @@ | arm: | .. | | arm64: | ok | | c6x: | .. | + | csky: | .. | | h8300: | .. | | hexagon: | .. | | ia64: | ok | diff --git a/Documentation/features/vm/pte_special/arch-support.txt b/Documentation/features/vm/pte_special/arch-support.txt index a8378424bc98..2dc5df6a1cf5 100644 --- a/Documentation/features/vm/pte_special/arch-support.txt +++ b/Documentation/features/vm/pte_special/arch-support.txt @@ -11,6 +11,7 @@ | arm: | ok | | arm64: | ok | | c6x: | TODO | + | csky: | TODO | | h8300: | TODO | | hexagon: | TODO | | ia64: | TODO | diff --git a/Documentation/filesystems/sysfs.txt b/Documentation/filesystems/sysfs.txt index a1426cabcef1..41411b0c60a3 100644 --- a/Documentation/filesystems/sysfs.txt +++ b/Documentation/filesystems/sysfs.txt @@ -344,7 +344,9 @@ struct bus_attribute { Declaring: -BUS_ATTR(_name, _mode, _show, _store) +static BUS_ATTR_RW(name); +static BUS_ATTR_RO(name); +static BUS_ATTR_WO(name); Creation/Removal: diff --git a/Documentation/networking/index.rst b/Documentation/networking/index.rst index 6a47629ef8ed..59e86de662cd 100644 --- a/Documentation/networking/index.rst +++ b/Documentation/networking/index.rst @@ -11,19 +11,19 @@ Contents: batman-adv can can_ucan_protocol - dpaa2/index - e100 - e1000 - e1000e - fm10k - igb - igbvf - ixgb - ixgbe - ixgbevf - i40e - iavf - ice + device_drivers/freescale/dpaa2/index + device_drivers/intel/e100 + device_drivers/intel/e1000 + device_drivers/intel/e1000e + device_drivers/intel/fm10k + device_drivers/intel/igb + device_drivers/intel/igbvf + device_drivers/intel/ixgb + device_drivers/intel/ixgbe + device_drivers/intel/ixgbevf + device_drivers/intel/i40e + device_drivers/intel/iavf + device_drivers/intel/ice kapi z8530book msg_zerocopy diff --git a/Documentation/networking/rxrpc.txt b/Documentation/networking/rxrpc.txt index c9d052e0cf51..2df5894353d6 100644 --- a/Documentation/networking/rxrpc.txt +++ b/Documentation/networking/rxrpc.txt @@ -1000,51 +1000,6 @@ The kernel interface functions are as follows: size should be set when the call is begun. tx_total_len may not be less than zero. - (*) Check to see the completion state of a call so that the caller can assess - whether it needs to be retried. - - enum rxrpc_call_completion { - RXRPC_CALL_SUCCEEDED, - RXRPC_CALL_REMOTELY_ABORTED, - RXRPC_CALL_LOCALLY_ABORTED, - RXRPC_CALL_LOCAL_ERROR, - RXRPC_CALL_NETWORK_ERROR, - }; - - int rxrpc_kernel_check_call(struct socket *sock, struct rxrpc_call *call, - enum rxrpc_call_completion *_compl, - u32 *_abort_code); - - On return, -EINPROGRESS will be returned if the call is still ongoing; if - it is finished, *_compl will be set to indicate the manner of completion, - *_abort_code will be set to any abort code that occurred. 0 will be - returned on a successful completion, -ECONNABORTED will be returned if the - client failed due to a remote abort and anything else will return an - appropriate error code. - - The caller should look at this information to decide if it's worth - retrying the call. - - (*) Retry a client call. - - int rxrpc_kernel_retry_call(struct socket *sock, - struct rxrpc_call *call, - struct sockaddr_rxrpc *srx, - struct key *key); - - This attempts to partially reinitialise a call and submit it again while - reusing the original call's Tx queue to avoid the need to repackage and - re-encrypt the data to be sent. call indicates the call to retry, srx the - new address to send it to and key the encryption key to use for signing or - encrypting the packets. - - For this to work, the first Tx data packet must still be in the transmit - queue, and currently this is only permitted for local and network errors - and the call must not have been aborted. Any partially constructed Tx - packet is left as is and can continue being filled afterwards. - - It returns 0 if the call was requeued and an error otherwise. - (*) Get call RTT. u64 rxrpc_kernel_get_rtt(struct socket *sock, struct rxrpc_call *call); diff --git a/Documentation/networking/snmp_counter.rst b/Documentation/networking/snmp_counter.rst index b0dfdaaca512..fe8f741193be 100644 --- a/Documentation/networking/snmp_counter.rst +++ b/Documentation/networking/snmp_counter.rst @@ -336,7 +336,26 @@ time client replies ACK, this socket will get another chance to move to the accept queue. -TCP Fast Open +* TcpEstabResets +Defined in `RFC1213 tcpEstabResets`_. + +.. _RFC1213 tcpEstabResets: https://tools.ietf.org/html/rfc1213#page-48 + +* TcpAttemptFails +Defined in `RFC1213 tcpAttemptFails`_. + +.. _RFC1213 tcpAttemptFails: https://tools.ietf.org/html/rfc1213#page-48 + +* TcpOutRsts +Defined in `RFC1213 tcpOutRsts`_. The RFC says this counter indicates +the 'segments sent containing the RST flag', but in linux kernel, this +couner indicates the segments kerenl tried to send. The sending +process might be failed due to some errors (e.g. memory alloc failed). + +.. _RFC1213 tcpOutRsts: https://tools.ietf.org/html/rfc1213#page-52 + + +TCP Fast Path ============ When kernel receives a TCP packet, it has two paths to handler the packet, one is fast path, another is slow path. The comment in kernel @@ -383,8 +402,6 @@ increase 1. TCP abort ======== - - * TcpExtTCPAbortOnData It means TCP layer has data in flight, but need to close the connection. So TCP layer sends a RST to the other side, indicate the @@ -545,7 +562,6 @@ packet yet, the sender would know packet 4 is out of order. The TCP stack of kernel will increase TcpExtTCPSACKReorder for both of the above scenarios. - DSACK ===== The DSACK is defined in `RFC2883`_. The receiver uses DSACK to report @@ -566,13 +582,63 @@ The TCP stack receives an out of order duplicate packet, so it sends a DSACK to the sender. * TcpExtTCPDSACKRecv -The TCP stack receives a DSACK, which indicate an acknowledged +The TCP stack receives a DSACK, which indicates an acknowledged duplicate packet is received. * TcpExtTCPDSACKOfoRecv The TCP stack receives a DSACK, which indicate an out of order duplicate packet is received. +invalid SACK and DSACK +==================== +When a SACK (or DSACK) block is invalid, a corresponding counter would +be updated. The validation method is base on the start/end sequence +number of the SACK block. For more details, please refer the comment +of the function tcp_is_sackblock_valid in the kernel source code. A +SACK option could have up to 4 blocks, they are checked +individually. E.g., if 3 blocks of a SACk is invalid, the +corresponding counter would be updated 3 times. The comment of the +`Add counters for discarded SACK blocks`_ patch has additional +explaination: + +.. _Add counters for discarded SACK blocks: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=18f02545a9a16c9a89778b91a162ad16d510bb32 + +* TcpExtTCPSACKDiscard +This counter indicates how many SACK blocks are invalid. If the invalid +SACK block is caused by ACK recording, the TCP stack will only ignore +it and won't update this counter. + +* TcpExtTCPDSACKIgnoredOld and TcpExtTCPDSACKIgnoredNoUndo +When a DSACK block is invalid, one of these two counters would be +updated. Which counter will be updated depends on the undo_marker flag +of the TCP socket. If the undo_marker is not set, the TCP stack isn't +likely to re-transmit any packets, and we still receive an invalid +DSACK block, the reason might be that the packet is duplicated in the +middle of the network. In such scenario, TcpExtTCPDSACKIgnoredNoUndo +will be updated. If the undo_marker is set, TcpExtTCPDSACKIgnoredOld +will be updated. As implied in its name, it might be an old packet. + +SACK shift +========= +The linux networking stack stores data in sk_buff struct (skb for +short). If a SACK block acrosses multiple skb, the TCP stack will try +to re-arrange data in these skb. E.g. if a SACK block acknowledges seq +10 to 15, skb1 has seq 10 to 13, skb2 has seq 14 to 20. The seq 14 and +15 in skb2 would be moved to skb1. This operation is 'shift'. If a +SACK block acknowledges seq 10 to 20, skb1 has seq 10 to 13, skb2 has +seq 14 to 20. All data in skb2 will be moved to skb1, and skb2 will be +discard, this operation is 'merge'. + +* TcpExtTCPSackShifted +A skb is shifted + +* TcpExtTCPSackMerged +A skb is merged + +* TcpExtTCPSackShiftFallback +A skb should be shifted or merged, but the TCP stack doesn't do it for +some reasons. + TCP out of order =============== * TcpExtTCPOFOQueue @@ -662,6 +728,60 @@ unacknowledged number (more strict than `RFC 5961 section 5.2`_). .. _RFC 5961 section 4.2: https://tools.ietf.org/html/rfc5961#page-9 .. _RFC 5961 section 5.2: https://tools.ietf.org/html/rfc5961#page-11 +TCP receive window +================= +* TcpExtTCPWantZeroWindowAdv +Depending on current memory usage, the TCP stack tries to set receive +window to zero. But the receive window might still be a no-zero +value. For example, if the previous window size is 10, and the TCP +stack receives 3 bytes, the current window size would be 7 even if the +window size calculated by the memory usage is zero. + +* TcpExtTCPToZeroWindowAdv +The TCP receive window is set to zero from a no-zero value. + +* TcpExtTCPFromZeroWindowAdv +The TCP receive window is set to no-zero value from zero. + + +Delayed ACK +========== +The TCP Delayed ACK is a technique which is used for reducing the +packet count in the network. For more details, please refer the +`Delayed ACK wiki`_ + +.. _Delayed ACK wiki: https://en.wikipedia.org/wiki/TCP_delayed_acknowledgment + +* TcpExtDelayedACKs +A delayed ACK timer expires. The TCP stack will send a pure ACK packet +and exit the delayed ACK mode. + +* TcpExtDelayedACKLocked +A delayed ACK timer expires, but the TCP stack can't send an ACK +immediately due to the socket is locked by a userspace program. The +TCP stack will send a pure ACK later (after the userspace program +unlock the socket). When the TCP stack sends the pure ACK later, the +TCP stack will also update TcpExtDelayedACKs and exit the delayed ACK +mode. + +* TcpExtDelayedACKLost +It will be updated when the TCP stack receives a packet which has been +ACKed. A Delayed ACK loss might cause this issue, but it would also be +triggered by other reasons, such as a packet is duplicated in the +network. + +Tail Loss Probe (TLP) +=================== +TLP is an algorithm which is used to detect TCP packet loss. For more +details, please refer the `TLP paper`_. + +.. _TLP paper: https://tools.ietf.org/html/draft-dukkipati-tcpm-tcp-loss-probe-01 + +* TcpExtTCPLossProbes +A TLP probe packet is sent. + +* TcpExtTCPLossProbeRecovery +A packet loss is detected and recovered by TLP. examples ======= diff --git a/Documentation/networking/timestamping.txt b/Documentation/networking/timestamping.txt index 1be0b6f9e0cb..9d1432e0aaa8 100644 --- a/Documentation/networking/timestamping.txt +++ b/Documentation/networking/timestamping.txt @@ -417,7 +417,7 @@ is again deprecated and ts[2] holds a hardware timestamp if set. Hardware time stamping must also be initialized for each device driver that is expected to do hardware time stamping. The parameter is defined in -/include/linux/net_tstamp.h as: +include/uapi/linux/net_tstamp.h as: struct hwtstamp_config { int flags; /* no flags defined right now, must be zero */ @@ -487,7 +487,7 @@ enum { HWTSTAMP_FILTER_PTP_V1_L4_EVENT, /* for the complete list of values, please check - * the include file /include/linux/net_tstamp.h + * the include file include/uapi/linux/net_tstamp.h */ }; diff --git a/Documentation/trace/coresight-cpu-debug.txt b/Documentation/trace/coresight-cpu-debug.txt index 89ab09e78e8d..f07e38094b40 100644 --- a/Documentation/trace/coresight-cpu-debug.txt +++ b/Documentation/trace/coresight-cpu-debug.txt @@ -165,7 +165,7 @@ Do some work... The same can also be done from an application program. Disable specific CPU's specific idle state from cpuidle sysfs (see -Documentation/cpuidle/sysfs.txt): +Documentation/admin-guide/pm/cpuidle.rst): # echo 1 > /sys/devices/system/cpu/cpu$cpu/cpuidle/state$state/disable diff --git a/Documentation/virtual/kvm/amd-memory-encryption.rst b/Documentation/virtual/kvm/amd-memory-encryption.rst index 71d6d257074f..659bbc093b52 100644 --- a/Documentation/virtual/kvm/amd-memory-encryption.rst +++ b/Documentation/virtual/kvm/amd-memory-encryption.rst @@ -242,6 +242,6 @@ References ========== .. [white-paper] http://amd-dev.wpengine.netdna-cdn.com/wordpress/media/2013/12/AMD_Memory_Encryption_Whitepaper_v7-Public.pdf -.. [api-spec] http://support.amd.com/TechDocs/55766_SEV-KM%20API_Specification.pdf +.. [api-spec] http://support.amd.com/TechDocs/55766_SEV-KM_API_Specification.pdf .. [amd-apm] http://support.amd.com/TechDocs/24593.pdf (section 15.34) .. [kvm-forum] http://www.linux-kvm.org/images/7/74/02x08A-Thomas_Lendacky-AMDs_Virtualizatoin_Memory_Encryption_Technology.pdf diff --git a/Documentation/x86/resctrl_ui.txt b/Documentation/x86/resctrl_ui.txt index d9aed8303984..e8e8d14d3c4e 100644 --- a/Documentation/x86/resctrl_ui.txt +++ b/Documentation/x86/resctrl_ui.txt @@ -9,7 +9,7 @@ Fenghua Yu <fenghua.yu@intel.com> Tony Luck <tony.luck@intel.com> Vikas Shivappa <vikas.shivappa@intel.com> -This feature is enabled by the CONFIG_RESCTRL and the X86 /proc/cpuinfo +This feature is enabled by the CONFIG_X86_RESCTRL and the x86 /proc/cpuinfo flag bits: RDT (Resource Director Technology) Allocation - "rdt_a" CAT (Cache Allocation Technology) - "cat_l3", "cat_l2" |
