This patch adds pmusysreg node to exynos5250 and exynos5420 dtsi files to handle PMU register accesses in a centralized way using syscon driver Signed-off-by: Leela Krishna Amudala <l.krishna@xxxxxxxxxxx> Reviewed-by: Tomasz Figa <t.figa@xxxxxxxxxxx> Reviewed-by: Doug Anderson <dianders@xxxxxxxxxxxx> Tested-by: Doug Anderson <dianders@xxxxxxxxxxxx> --- Documentation/devicetree/bindings/arm/samsung/pmu.txt | 15 +++++++++++++++ arch/arm/boot/dts/exynos5250.dtsi | 5 +++++ arch/arm/boot/dts/exynos5420.dtsi | 5 +++++ 3 files changed, 25 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/samsung/pmu.txt diff --git a/Documentation/devicetree/bindings/arm/samsung/pmu.txt b/Documentation/devicetree/bindings/arm/samsung/pmu.txt new file mode 100644 index 0000000..f1f1552 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/samsung/pmu.txt @@ -0,0 +1,15 @@ +SAMSUNG Exynos SoC series PMU Registers + +Properties: + - compatible : should contain two values. First value must be one from following list: + - "samsung,exynos5250-pmu" - for Exynos5250 SoC, + - "samsung,exynos5420-pmu" - for Exynos5420 SoC. + second value must be always "syscon". + + - reg : offset and length of the register set. + +Example : +pmu_system_controller: system-controller@10040000 { + compatible = "samsung,exynos5250-pmu", "syscon"; + reg = <0x10040000 0x5000>; +}; diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi index b98ffc3..62f9e36 100644 --- a/arch/arm/boot/dts/exynos5250.dtsi +++ b/arch/arm/boot/dts/exynos5250.dtsi @@ -163,6 +163,11 @@ interrupts = <0 47 0>; }; + pmu_system_controller: system-controller@10040000 { + compatible = "samsung,exynos5250-pmu", "syscon"; + reg = <0x10040000 0x5000>; + }; + watchdog { clocks = <&clock 336>; clock-names = "watchdog"; diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi index b1fa334..cd47db0 100644 --- a/arch/arm/boot/dts/exynos5420.dtsi +++ b/arch/arm/boot/dts/exynos5420.dtsi @@ -402,4 +402,9 @@ clock-names = "gscl"; samsung,power-domain = <&gsc_pd>; }; + + pmu_system_controller: system-controller@10040000 { + compatible = "samsung,exynos5420-pmu", "syscon"; + reg = <0x10040000 0x5000>; + }; }; -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-watchdog" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html