From mboxrd@z Thu Jan 1 00:00:00 1970 From: heiko@sntech.de (Heiko =?utf-8?q?St=C3=BCbner?=) Date: Fri, 5 Jul 2013 14:42:57 +0200 Subject: [PATCH v3 5/6] ARM: rockchip: add power-management-unit dt node In-Reply-To: <201307051440.19428.heiko@sntech.de> References: <201307051440.19428.heiko@sntech.de> Message-ID: <201307051442.58247.heiko@sntech.de> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 Tested-by: Ulrich Prinz --- 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 at 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 at 20004000 { + compatible = "rockchip,rk3066-pmu"; + reg = <0x20004000 0x100>; + }; + gic: interrupt-controller at 1013d000 { compatible = "arm,cortex-a9-gic"; interrupt-controller; -- 1.7.10.4