Subject: [PATCH RFC v2 4/7] ARM: dts: Add PPMU device tree support for Exynos5420

From: [email-masked] (Sergei Shtylyov)
Date: Thu, 22 May 2014 21:50:45 +0400

On 05/22/2014 09:21 PM, Abhilash Kesavan wrote:

> PPMU is required by the exynos5420 devfreq driver. Add a device
> tree node for it.

> Signed-off-by: Abhilash Kesavan <[email-masked]>
> ---
>   arch/arm/boot/dts/exynos5420.dtsi |    7 +++++++
>   1 file changed, 7 insertions(+)

> diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi
> index 8e7e35c..6ab7b03 100644
> --- a/arch/arm/boot/dts/exynos5420.dtsi
> +++ b/arch/arm/boot/dts/exynos5420.dtsi
> @@ -833,4 +833,11 @@
>   		samsung,pmu-syscon = <&pmu_system_controller>;
>   		#phy-cells = <1>;
>   	};
> +
> +	ppmu {

    Shouldn't it have the unit-address part, like "ppmu at 10d00000"?

> +		compatible = "samsung,exynos5420-int-busfreq";
> +		reg = <0x10D00000 0x2000	/* PPMU_DMC_0_0 */
> +		       0x10D10000 0x2000	/* PPMU_DMC_0_1 */
> +		       0x10D60000 0x2000>;	/* PPMU_DMC_1_0 */
> +	};
>   };

WBR, Sergei