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author | Kevin Hilman <khilman@linaro.org> | 2013-12-20 07:25:39 -0800 |
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committer | Kevin Hilman <khilman@linaro.org> | 2013-12-20 07:25:46 -0800 |
commit | 84dac16a3b7428e21583d631f82270abb274ffcc (patch) | |
tree | e0dcacde9faae8bada13dc5a91a3ce4605b7bc60 | |
parent | 939ac3cd0635d426845d51a4262fd054a3fa4907 (diff) | |
parent | 732079567da4942b7b4929deff8f236926d0b3eb (diff) | |
download | blackbird-op-linux-84dac16a3b7428e21583d631f82270abb274ffcc.tar.gz blackbird-op-linux-84dac16a3b7428e21583d631f82270abb274ffcc.zip |
Merge tag 'keystone-dts' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone into next/dt
Keystone DTS updates for 3.14
- ddr3 pll clock node typo fixup.
- EVM specific clock setting with board k2hk-evm.dts.
- GIC node updates for missing virtualisation info.
- Adding USB dwc3 and phy nodes.
* tag 'keystone-dts' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone:
ARM: dts: keystone: Add usb devicetree bindings
ARM: dts: keystone: Add usb phy devicetree bindings
ARM: dts: keystone: Add guestos maintenance interrupt
ARM: dts: keystone: Add the GICV and GICH address space
ARM: keystone: dts: add paclk divider clock node
ARM: keystone: dts: fix typo in the ddr3 pllclk node name
ARM: keystone: dts: add a k2hk-evm specific dts file
Signed-off-by: Kevin Hilman <khilman@linaro.org>
-rw-r--r-- | Documentation/devicetree/bindings/usb/keystone-phy.txt | 20 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/usb/keystone-usb.txt | 42 | ||||
-rw-r--r-- | arch/arm/boot/dts/k2hk-evm.dts | 63 | ||||
-rw-r--r-- | arch/arm/boot/dts/keystone-clocks.dtsi | 36 | ||||
-rw-r--r-- | arch/arm/boot/dts/keystone.dtsi (renamed from arch/arm/boot/dts/keystone.dts) | 35 |
5 files changed, 174 insertions, 22 deletions
diff --git a/Documentation/devicetree/bindings/usb/keystone-phy.txt b/Documentation/devicetree/bindings/usb/keystone-phy.txt new file mode 100644 index 000000000000..f37b3a86341d --- /dev/null +++ b/Documentation/devicetree/bindings/usb/keystone-phy.txt @@ -0,0 +1,20 @@ +TI Keystone USB PHY + +Required properties: + - compatible: should be "ti,keystone-usbphy". + - #address-cells, #size-cells : should be '1' if the device has sub-nodes + with 'reg' property. + - reg : Address and length of the usb phy control register set. + +The main purpose of this PHY driver is to enable the USB PHY reference clock +gate on the Keystone SOC for both the USB2 and USB3 PHY. Otherwise it is just +an NOP PHY driver. Hence this node is referenced as both the usb2 and usb3 +phy node in the USB Glue layer driver node. + +usb_phy: usb_phy@2620738 { + compatible = "ti,keystone-usbphy"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x2620738 32>; + status = "disabled"; +}; diff --git a/Documentation/devicetree/bindings/usb/keystone-usb.txt b/Documentation/devicetree/bindings/usb/keystone-usb.txt new file mode 100644 index 000000000000..60527d335b58 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/keystone-usb.txt @@ -0,0 +1,42 @@ +TI Keystone Soc USB Controller + +DWC3 GLUE + +Required properties: + - compatible: should be "ti,keystone-dwc3". + - #address-cells, #size-cells : should be '1' if the device has sub-nodes + with 'reg' property. + - reg : Address and length of the register set for the USB subsystem on + the SOC. + - interrupts : The irq number of this device that is used to interrupt the + MPU. + - ranges: allows valid 1:1 translation between child's address space and + parent's address space. + - clocks: Clock IDs array as required by the controller. + - clock-names: names of clocks correseponding to IDs in the clock property. + +Sub-nodes: +The dwc3 core should be added as subnode to Keystone DWC3 glue. +- dwc3 : + The binding details of dwc3 can be found in: + Documentation/devicetree/bindings/usb/dwc3.txt + +Example: + usb: usb@2680000 { + compatible = "ti,keystone-dwc3"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x2680000 0x10000>; + clocks = <&clkusb>; + clock-names = "usb"; + interrupts = <GIC_SPI 393 IRQ_TYPE_EDGE_RISING>; + ranges; + status = "disabled"; + + dwc3@2690000 { + compatible = "synopsys,dwc3"; + reg = <0x2690000 0x70000>; + interrupts = <GIC_SPI 393 IRQ_TYPE_EDGE_RISING>; + usb-phy = <&usb_phy>, <&usb_phy>; + }; + }; diff --git a/arch/arm/boot/dts/k2hk-evm.dts b/arch/arm/boot/dts/k2hk-evm.dts new file mode 100644 index 000000000000..eaefdfef65c3 --- /dev/null +++ b/arch/arm/boot/dts/k2hk-evm.dts @@ -0,0 +1,63 @@ +/* + * Copyright 2013 Texas Instruments, Inc. + * + * Keystone 2 Kepler/Hawking EVM device tree + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +/dts-v1/; + +#include "keystone.dtsi" + +/ { + compatible = "ti,keystone-evm"; + + soc { + clock { + refclksys: refclksys { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <122880000>; + clock-output-names = "refclk-sys"; + }; + + refclkpass: refclkpass { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <122880000>; + clock-output-names = "refclk-pass"; + }; + + refclkarm: refclkarm { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <125000000>; + clock-output-names = "refclk-arm"; + }; + + refclkddr3a: refclkddr3a { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <100000000>; + clock-output-names = "refclk-ddr3a"; + }; + + refclkddr3b: refclkddr3b { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <100000000>; + clock-output-names = "refclk-ddr3b"; + }; + }; + }; +}; + +&usb_phy { + status = "okay"; +}; + +&usb { + status = "okay"; +}; diff --git a/arch/arm/boot/dts/keystone-clocks.dtsi b/arch/arm/boot/dts/keystone-clocks.dtsi index d6713b113258..2363593e1050 100644 --- a/arch/arm/boot/dts/keystone-clocks.dtsi +++ b/arch/arm/boot/dts/keystone-clocks.dtsi @@ -13,17 +13,10 @@ clocks { #size-cells = <1>; ranges; - refclkmain: refclkmain { - #clock-cells = <0>; - compatible = "fixed-clock"; - clock-frequency = <122880000>; - clock-output-names = "refclk-main"; - }; - mainpllclk: mainpllclk@2310110 { #clock-cells = <0>; compatible = "ti,keystone,main-pll-clock"; - clocks = <&refclkmain>; + clocks = <&refclksys>; reg = <0x02620350 4>, <0x02310110 4>; reg-names = "control", "multiplier"; fixed-postdiv = <2>; @@ -32,47 +25,43 @@ clocks { papllclk: papllclk@2620358 { #clock-cells = <0>; compatible = "ti,keystone,pll-clock"; - clocks = <&refclkmain>; + clocks = <&refclkpass>; clock-output-names = "pa-pll-clk"; reg = <0x02620358 4>; reg-names = "control"; - fixed-postdiv = <6>; }; - ddr3allclk: ddr3apllclk@2620360 { + ddr3apllclk: ddr3apllclk@2620360 { #clock-cells = <0>; compatible = "ti,keystone,pll-clock"; - clocks = <&refclkmain>; + clocks = <&refclkddr3a>; clock-output-names = "ddr-3a-pll-clk"; reg = <0x02620360 4>; reg-names = "control"; - fixed-postdiv = <6>; }; - ddr3bllclk: ddr3bpllclk@2620368 { + ddr3bpllclk: ddr3bpllclk@2620368 { #clock-cells = <0>; compatible = "ti,keystone,pll-clock"; - clocks = <&refclkmain>; + clocks = <&refclkddr3b>; clock-output-names = "ddr-3b-pll-clk"; reg = <0x02620368 4>; reg-names = "control"; - fixed-postdiv = <6>; }; armpllclk: armpllclk@2620370 { #clock-cells = <0>; compatible = "ti,keystone,pll-clock"; - clocks = <&refclkmain>; + clocks = <&refclkarm>; clock-output-names = "arm-pll-clk"; reg = <0x02620370 4>; reg-names = "control"; - fixed-postdiv = <6>; }; mainmuxclk: mainmuxclk@2310108 { #clock-cells = <0>; compatible = "ti,keystone,pll-mux-clock"; - clocks = <&mainpllclk>, <&refclkmain>; + clocks = <&mainpllclk>, <&refclksys>; reg = <0x02310108 4>; bit-shift = <23>; bit-mask = <1>; @@ -135,6 +124,15 @@ clocks { clock-output-names = "chipclk13"; }; + paclk13: paclk13 { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&papllclk>; + clock-div = <3>; + clock-mult = <1>; + clock-output-names = "paclk13"; + }; + chipclk14: chipclk14 { #clock-cells = <0>; compatible = "fixed-factor-clock"; diff --git a/arch/arm/boot/dts/keystone.dts b/arch/arm/boot/dts/keystone.dtsi index 100bdf52b847..b4202907a27b 100644 --- a/arch/arm/boot/dts/keystone.dts +++ b/arch/arm/boot/dts/keystone.dtsi @@ -6,14 +6,12 @@ * published by the Free Software Foundation. */ -/dts-v1/; #include <dt-bindings/interrupt-controller/arm-gic.h> #include "skeleton.dtsi" / { model = "Texas Instruments Keystone 2 SoC"; - compatible = "ti,keystone-evm"; #address-cells = <2>; #size-cells = <2>; interrupt-parent = <&gic>; @@ -64,7 +62,11 @@ #address-cells = <1>; interrupt-controller; reg = <0x0 0x02561000 0x0 0x1000>, - <0x0 0x02562000 0x0 0x2000>; + <0x0 0x02562000 0x0 0x2000>, + <0x0 0x02564000 0x0 0x1000>, + <0x0 0x02566000 0x0 0x2000>; + interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) | + IRQ_TYPE_LEVEL_HIGH)>; }; timer { @@ -179,5 +181,32 @@ interrupts = <GIC_SPI 300 IRQ_TYPE_EDGE_RISING>; clocks = <&clkspi>; }; + + usb_phy: usb_phy@2620738 { + compatible = "ti,keystone-usbphy"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x2620738 32>; + status = "disabled"; + }; + + usb: usb@2680000 { + compatible = "ti,keystone-dwc3"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x2680000 0x10000>; + clocks = <&clkusb>; + clock-names = "usb"; + interrupts = <GIC_SPI 393 IRQ_TYPE_EDGE_RISING>; + ranges; + status = "disabled"; + + dwc3@2690000 { + compatible = "synopsys,dwc3"; + reg = <0x2690000 0x70000>; + interrupts = <GIC_SPI 393 IRQ_TYPE_EDGE_RISING>; + usb-phy = <&usb_phy>, <&usb_phy>; + }; + }; }; }; |