diff options
Diffstat (limited to 'Documentation')
17 files changed, 149 insertions, 126 deletions
diff --git a/Documentation/devicetree/bindings/arm/omap/prm-inst.txt b/Documentation/devicetree/bindings/arm/omap/prm-inst.txt new file mode 100644 index 000000000000..fcd3456afbbe --- /dev/null +++ b/Documentation/devicetree/bindings/arm/omap/prm-inst.txt @@ -0,0 +1,29 @@ +OMAP PRM instance bindings + +Power and Reset Manager is an IP block on OMAP family of devices which +handle the power domains and their current state, and provide reset +handling for the domains and/or separate IP blocks under the power domain +hierarchy. + +Required properties: +- compatible: Must contain one of the following: + "ti,am3-prm-inst" + "ti,am4-prm-inst" + "ti,omap4-prm-inst" + "ti,omap5-prm-inst" + "ti,dra7-prm-inst" + and additionally must contain: + "ti,omap-prm-inst" +- reg: Contains PRM instance register address range + (base address and length) + +Optional properties: +- #reset-cells: Should be 1 if the PRM instance in question supports resets. + +Example: + +prm_dsp2: prm@1b00 { + compatible = "ti,dra7-prm-inst", "ti,omap-prm-inst"; + reg = <0x1b00 0x40>; + #reset-cells = <1>; +}; diff --git a/Documentation/devicetree/bindings/dsp/fsl,dsp.yaml b/Documentation/devicetree/bindings/dsp/fsl,dsp.yaml index 3248595dc93c..f04870d84542 100644 --- a/Documentation/devicetree/bindings/dsp/fsl,dsp.yaml +++ b/Documentation/devicetree/bindings/dsp/fsl,dsp.yaml @@ -85,4 +85,5 @@ examples: <&pd IMX_SC_R_DSP_RAM>; mbox-names = "txdb0", "txdb1", "rxdb0", "rxdb1"; mboxes = <&lsio_mu13 2 0>, <&lsio_mu13 2 1>, <&lsio_mu13 3 0>, <&lsio_mu13 3 1>; + memory-region = <&dsp_reserved>; }; diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml index 676ec42e1438..567a33a83dce 100644 --- a/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml @@ -43,13 +43,9 @@ properties: dvdd-supply: description: DVdd voltage supply - items: - - const: dvdd avdd-supply: description: AVdd voltage supply - items: - - const: avdd adi,rejection-60-Hz-enable: description: | @@ -99,6 +95,9 @@ required: examples: - | spi0 { + #address-cells = <1>; + #size-cells = <0>; + adc@0 { compatible = "adi,ad7192"; reg = <0>; diff --git a/Documentation/devicetree/bindings/media/rc.yaml b/Documentation/devicetree/bindings/media/rc.yaml index 3d5c154fd230..9054555e6608 100644 --- a/Documentation/devicetree/bindings/media/rc.yaml +++ b/Documentation/devicetree/bindings/media/rc.yaml @@ -73,7 +73,6 @@ properties: - rc-genius-tvgo-a11mce - rc-gotview7135 - rc-hauppauge - - rc-hauppauge - rc-hisi-poplar - rc-hisi-tv-demo - rc-imon-mce diff --git a/Documentation/devicetree/bindings/phy/lantiq,vrx200-pcie-phy.yaml b/Documentation/devicetree/bindings/phy/lantiq,vrx200-pcie-phy.yaml index 8a56a8526cef..a97482179cf5 100644 --- a/Documentation/devicetree/bindings/phy/lantiq,vrx200-pcie-phy.yaml +++ b/Documentation/devicetree/bindings/phy/lantiq,vrx200-pcie-phy.yaml @@ -37,7 +37,7 @@ properties: - description: exclusive PHY reset line - description: shared reset line between the PCIe PHY and PCIe controller - resets-names: + reset-names: items: - const: phy - const: pcie diff --git a/Documentation/devicetree/bindings/reset/amlogic,meson-axg-audio-arb.txt b/Documentation/devicetree/bindings/reset/amlogic,meson-axg-audio-arb.txt index 26e542eb96df..43e580ef64ba 100644 --- a/Documentation/devicetree/bindings/reset/amlogic,meson-axg-audio-arb.txt +++ b/Documentation/devicetree/bindings/reset/amlogic,meson-axg-audio-arb.txt @@ -4,7 +4,8 @@ The Amlogic Audio ARB is a simple device which enables or disables the access of Audio FIFOs to DDR on AXG based SoC. Required properties: -- compatible: 'amlogic,meson-axg-audio-arb' +- compatible: 'amlogic,meson-axg-audio-arb' or + 'amlogic,meson-sm1-audio-arb' - reg: physical base address of the controller and length of memory mapped region. - clocks: phandle to the fifo peripheral clock provided by the audio diff --git a/Documentation/devicetree/bindings/reset/amlogic,meson-reset.yaml b/Documentation/devicetree/bindings/reset/amlogic,meson-reset.yaml index 00917d868d58..b3f57d81f007 100644 --- a/Documentation/devicetree/bindings/reset/amlogic,meson-reset.yaml +++ b/Documentation/devicetree/bindings/reset/amlogic,meson-reset.yaml @@ -16,6 +16,7 @@ properties: - amlogic,meson8b-reset # Reset Controller on Meson8b and compatible SoCs - amlogic,meson-gxbb-reset # Reset Controller on GXBB and compatible SoCs - amlogic,meson-axg-reset # Reset Controller on AXG and compatible SoCs + - amlogic,meson-a1-reset # Reset Controller on A1 and compatible SoCs reg: maxItems: 1 diff --git a/Documentation/devicetree/bindings/reset/qcom,aoss-reset.txt b/Documentation/devicetree/bindings/reset/qcom,aoss-reset.txt deleted file mode 100644 index 510c748656ec..000000000000 --- a/Documentation/devicetree/bindings/reset/qcom,aoss-reset.txt +++ /dev/null @@ -1,52 +0,0 @@ -Qualcomm AOSS Reset Controller -====================================== - -This binding describes a reset-controller found on AOSS-CC (always on subsystem) -for Qualcomm SDM845 SoCs. - -Required properties: -- compatible: - Usage: required - Value type: <string> - Definition: must be: - "qcom,sdm845-aoss-cc" - -- reg: - Usage: required - Value type: <prop-encoded-array> - Definition: must specify the base address and size of the register - space. - -- #reset-cells: - Usage: required - Value type: <uint> - Definition: must be 1; cell entry represents the reset index. - -Example: - -aoss_reset: reset-controller@c2a0000 { - compatible = "qcom,sdm845-aoss-cc"; - reg = <0xc2a0000 0x31000>; - #reset-cells = <1>; -}; - -Specifying reset lines connected to IP modules -============================================== - -Device nodes that need access to reset lines should -specify them as a reset phandle in their corresponding node as -specified in reset.txt. - -For list of all valid reset indicies see -<dt-bindings/reset/qcom,sdm845-aoss.h> - -Example: - -modem-pil@4080000 { - ... - - resets = <&aoss_reset AOSS_CC_MSS_RESTART>; - reset-names = "mss_restart"; - - ... -}; diff --git a/Documentation/devicetree/bindings/reset/qcom,aoss-reset.yaml b/Documentation/devicetree/bindings/reset/qcom,aoss-reset.yaml new file mode 100644 index 000000000000..e2d85a1e1d63 --- /dev/null +++ b/Documentation/devicetree/bindings/reset/qcom,aoss-reset.yaml @@ -0,0 +1,47 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/reset/qcom,aoss-reset.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm AOSS Reset Controller + +maintainers: + - Sibi Sankar <sibis@codeaurora.org> + +description: + The bindings describe the reset-controller found on AOSS-CC (always on + subsystem) for Qualcomm Technologies Inc SoCs. + +properties: + compatible: + oneOf: + - description: on SC7180 SoCs the following compatibles must be specified + items: + - const: "qcom,sc7180-aoss-cc" + - const: "qcom,sdm845-aoss-cc" + + - description: on SDM845 SoCs the following compatibles must be specified + items: + - const: "qcom,sdm845-aoss-cc" + + reg: + maxItems: 1 + + '#reset-cells': + const: 1 + +required: + - compatible + - reg + - '#reset-cells' + +additionalProperties: false + +examples: + - | + aoss_reset: reset-controller@c2a0000 { + compatible = "qcom,sdm845-aoss-cc"; + reg = <0xc2a0000 0x31000>; + #reset-cells = <1>; + }; diff --git a/Documentation/devicetree/bindings/reset/qcom,pdc-global.txt b/Documentation/devicetree/bindings/reset/qcom,pdc-global.txt deleted file mode 100644 index a62a492843e7..000000000000 --- a/Documentation/devicetree/bindings/reset/qcom,pdc-global.txt +++ /dev/null @@ -1,52 +0,0 @@ -PDC Global -====================================== - -This binding describes a reset-controller found on PDC-Global (Power Domain -Controller) block for Qualcomm Technologies Inc SDM845 SoCs. - -Required properties: -- compatible: - Usage: required - Value type: <string> - Definition: must be: - "qcom,sdm845-pdc-global" - -- reg: - Usage: required - Value type: <prop-encoded-array> - Definition: must specify the base address and size of the register - space. - -- #reset-cells: - Usage: required - Value type: <uint> - Definition: must be 1; cell entry represents the reset index. - -Example: - -pdc_reset: reset-controller@b2e0000 { - compatible = "qcom,sdm845-pdc-global"; - reg = <0xb2e0000 0x20000>; - #reset-cells = <1>; -}; - -PDC reset clients -====================================== - -Device nodes that need access to reset lines should -specify them as a reset phandle in their corresponding node as -specified in reset.txt. - -For a list of all valid reset indices see -<dt-bindings/reset/qcom,sdm845-pdc.h> - -Example: - -modem-pil@4080000 { - ... - - resets = <&pdc_reset PDC_MODEM_SYNC_RESET>; - reset-names = "pdc_reset"; - - ... -}; diff --git a/Documentation/devicetree/bindings/reset/qcom,pdc-global.yaml b/Documentation/devicetree/bindings/reset/qcom,pdc-global.yaml new file mode 100644 index 000000000000..d7d8cec9419f --- /dev/null +++ b/Documentation/devicetree/bindings/reset/qcom,pdc-global.yaml @@ -0,0 +1,47 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/reset/qcom,pdc-global.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm PDC Global + +maintainers: + - Sibi Sankar <sibis@codeaurora.org> + +description: + The bindings describes the reset-controller found on PDC-Global (Power Domain + Controller) block for Qualcomm Technologies Inc SoCs. + +properties: + compatible: + oneOf: + - description: on SC7180 SoCs the following compatibles must be specified + items: + - const: "qcom,sc7180-pdc-global" + - const: "qcom,sdm845-pdc-global" + + - description: on SDM845 SoCs the following compatibles must be specified + items: + - const: "qcom,sdm845-pdc-global" + + reg: + maxItems: 1 + + '#reset-cells': + const: 1 + +required: + - compatible + - reg + - '#reset-cells' + +additionalProperties: false + +examples: + - | + pdc_reset: reset-controller@b2e0000 { + compatible = "qcom,sdm845-pdc-global"; + reg = <0xb2e0000 0x20000>; + #reset-cells = <1>; + }; diff --git a/Documentation/devicetree/bindings/reset/uniphier-reset.txt b/Documentation/devicetree/bindings/reset/uniphier-reset.txt index ea005177d20a..e320a8cc9e4d 100644 --- a/Documentation/devicetree/bindings/reset/uniphier-reset.txt +++ b/Documentation/devicetree/bindings/reset/uniphier-reset.txt @@ -130,6 +130,7 @@ 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 USB3 + "socionext,uniphier-pro5-usb3-reset" - for Pro5 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 @@ -141,12 +142,12 @@ Required properties: - 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 + "gio", "link" - for Pro4 and Pro5 SoCs "link" - for others - 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 + "gio", "link" - for Pro4 and Pro5 SoCs "link" - for others Example: diff --git a/Documentation/kbuild/makefiles.rst b/Documentation/kbuild/makefiles.rst index 6ba9d5365ff3..b89c88168d6a 100644 --- a/Documentation/kbuild/makefiles.rst +++ b/Documentation/kbuild/makefiles.rst @@ -954,11 +954,6 @@ When kbuild executes, the following steps are followed (roughly): From commandline LDFLAGS_MODULE shall be used (see kbuild.txt). - KBUILD_ARFLAGS Options for $(AR) when creating archives - - $(KBUILD_ARFLAGS) set by the top level Makefile to "D" (deterministic - mode) if this option is supported by $(AR). - KBUILD_LDS The linker script with full path. Assigned by the top-level Makefile. diff --git a/Documentation/kbuild/modules.rst b/Documentation/kbuild/modules.rst index d2ae799237fd..774a998dcf37 100644 --- a/Documentation/kbuild/modules.rst +++ b/Documentation/kbuild/modules.rst @@ -498,10 +498,11 @@ build. will be written containing all exported symbols that were not defined in the kernel. ---- 6.3 Symbols From Another External Module +6.3 Symbols From Another External Module +---------------------------------------- Sometimes, an external module uses exported symbols from - another external module. kbuild needs to have full knowledge of + another external module. Kbuild needs to have full knowledge of all symbols to avoid spitting out warnings about undefined symbols. Three solutions exist for this situation. @@ -521,7 +522,7 @@ build. The top-level kbuild file would then look like:: #./Kbuild (or ./Makefile): - obj-y := foo/ bar/ + obj-m := foo/ bar/ And executing:: diff --git a/Documentation/kbuild/reproducible-builds.rst b/Documentation/kbuild/reproducible-builds.rst index ab92e98c89c8..503393854e2e 100644 --- a/Documentation/kbuild/reproducible-builds.rst +++ b/Documentation/kbuild/reproducible-builds.rst @@ -16,16 +16,21 @@ the kernel may be unreproducible, and how to avoid them. Timestamps ---------- -The kernel embeds a timestamp in two places: +The kernel embeds timestamps in three places: * The version string exposed by ``uname()`` and included in ``/proc/version`` * File timestamps in the embedded initramfs -By default the timestamp is the current time. This must be overridden -using the `KBUILD_BUILD_TIMESTAMP`_ variable. If you are building -from a git commit, you could use its commit date. +* If enabled via ``CONFIG_IKHEADERS``, file timestamps of kernel + headers embedded in the kernel or respective module, + exposed via ``/sys/kernel/kheaders.tar.xz`` + +By default the timestamp is the current time and in the case of +``kheaders`` the various files' modification times. This must +be overridden using the `KBUILD_BUILD_TIMESTAMP`_ variable. +If you are building from a git commit, you could use its commit date. The kernel does *not* use the ``__DATE__`` and ``__TIME__`` macros, and enables warnings if they are used. If you incorporate external diff --git a/Documentation/networking/device_drivers/index.rst b/Documentation/networking/device_drivers/index.rst index f51f92571e39..c1f7f75e5fd9 100644 --- a/Documentation/networking/device_drivers/index.rst +++ b/Documentation/networking/device_drivers/index.rst @@ -23,6 +23,7 @@ Contents: intel/ice google/gve mellanox/mlx5 + netronome/nfp pensando/ionic .. only:: subproject and html diff --git a/Documentation/networking/j1939.rst b/Documentation/networking/j1939.rst index ce7e7a044e08..dc60b13fcd09 100644 --- a/Documentation/networking/j1939.rst +++ b/Documentation/networking/j1939.rst @@ -272,7 +272,7 @@ supported flags are: * MSG_DONTWAIT, i.e. non-blocking operation. recvmsg(2) -^^^^^^^^^ +^^^^^^^^^^ In most cases recvmsg(2) is needed if you want to extract more information than recvfrom(2) can provide. For example package priority and timestamp. The |