Messages in this thread Patch in this message | | | From | Heiko Stübner <> | Subject | [PATCH v2 5/6] ARM: rockchip: add power-management-unit dt node | Date | Tue, 25 Jun 2013 10:48:34 +0200 |
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The pmu is needed to bring up the cores during smp operations. Therefore add a node and documentation for it.
Signed-off-by: Heiko Stuebner <heiko@sntech.de> --- Documentation/devicetree/bindings/arm/rockchip/pmu.txt | 16 ++++++++++++++++ arch/arm/boot/dts/rk3066a.dtsi | 5 +++++ 2 files changed, 21 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/rockchip/pmu.txt
diff --git a/Documentation/devicetree/bindings/arm/rockchip/pmu.txt b/Documentation/devicetree/bindings/arm/rockchip/pmu.txt new file mode 100644 index 0000000..3ee9b42 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/rockchip/pmu.txt @@ -0,0 +1,16 @@ +Rockchip power-management-unit: +------------------------------- + +The pmu is used to turn off and on different power domains of the SoCs +This includes the power to the CPU cores. + +Required node properties: +- compatible value : = "rockchip,rk3066-pmu"; +- reg : physical base address and the size of the registers window + +Example: + + pmu@20004000 { + compatible = "rockchip,rk3066-pmu"; + reg = <0x20004000 0x100>; + }; diff --git a/arch/arm/boot/dts/rk3066a.dtsi b/arch/arm/boot/dts/rk3066a.dtsi index 24d1941..43ac7c8 100644 --- a/arch/arm/boot/dts/rk3066a.dtsi +++ b/arch/arm/boot/dts/rk3066a.dtsi @@ -59,6 +59,11 @@ mmio-sram-reserved = <0x0 0x50>; }; + pmu@20004000 { + compatible = "rockchip,rk3066-pmu"; + reg = <0x20004000 0x100>; + }; + gic: interrupt-controller@1013d000 { compatible = "arm,cortex-a9-gic"; interrupt-controller; -- 1.7.10.4
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