linux-kernel - Re: [PATCH v2] arm64: dts: sdm845: Add cpufreq device node

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Date:   Fri, 21 Dec 2018 11:18:51 -0800
From:   Matthias Kaehlcke <mka@...omium.org>
To:     Taniya Das <tdas@...eaurora.org>
Cc:     Andy Gross <andy.gross@...aro.org>, linux-arm-msm@...r.kernel.org,
        Stephen Boyd <sboyd@...nel.org>,
        Douglas Anderson <dianders@...omium.org>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Rob Herring <robh+dt@...nel.org>, david.brown@...aro.org,
        Mark Rutland <mark.rutland@....com>, linux-soc@...r.kernel.org,
        amit.kucheria@...aro.org
Subject: Re: [PATCH v2] arm64: dts: sdm845: Add cpufreq device node

On Fri, Dec 21, 2018 at 11:44:23PM +0530, Taniya Das wrote:
> This change adds the cpufreq node as per the bindings example for SDM845.
> 
> Signed-off-by: Taniya Das <tdas@...eaurora.org>
> Tested-by: Matthias Kaehlcke <mka@...omium.org>
> ---
>  arch/arm64/boot/dts/qcom/sdm845.dtsi | 19 +++++++++++++++++++
>  1 file changed, 19 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> index 23a253b..a69a21e 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> @@ -99,6 +99,7 @@
>  			compatible = "qcom,kryo385";
>  			reg = <0x0 0x0>;
>  			enable-method = "psci";
> +			qcom,freq-domain = <&cpufreq_hw 0>;
>  			next-level-cache = <&L2_0>;
>  			L2_0: l2-cache {
>  				compatible = "cache";
> @@ -114,6 +115,7 @@
>  			compatible = "qcom,kryo385";
>  			reg = <0x0 0x100>;
>  			enable-method = "psci";
> +			qcom,freq-domain = <&cpufreq_hw 0>;
>  			next-level-cache = <&L2_100>;
>  			L2_100: l2-cache {
>  				compatible = "cache";
> @@ -126,6 +128,7 @@
>  			compatible = "qcom,kryo385";
>  			reg = <0x0 0x200>;
>  			enable-method = "psci";
> +			qcom,freq-domain = <&cpufreq_hw 0>;
>  			next-level-cache = <&L2_200>;
>  			L2_200: l2-cache {
>  				compatible = "cache";
> @@ -138,6 +141,7 @@
>  			compatible = "qcom,kryo385";
>  			reg = <0x0 0x300>;
>  			enable-method = "psci";
> +			qcom,freq-domain = <&cpufreq_hw 0>;
>  			next-level-cache = <&L2_300>;
>  			L2_300: l2-cache {
>  				compatible = "cache";
> @@ -150,6 +154,7 @@
>  			compatible = "qcom,kryo385";
>  			reg = <0x0 0x400>;
>  			enable-method = "psci";
> +			qcom,freq-domain = <&cpufreq_hw 1>;
>  			next-level-cache = <&L2_400>;
>  			L2_400: l2-cache {
>  				compatible = "cache";
> @@ -162,6 +167,7 @@
>  			compatible = "qcom,kryo385";
>  			reg = <0x0 0x500>;
>  			enable-method = "psci";
> +			qcom,freq-domain = <&cpufreq_hw 1>;
>  			next-level-cache = <&L2_500>;
>  			L2_500: l2-cache {
>  				compatible = "cache";
> @@ -174,6 +180,7 @@
>  			compatible = "qcom,kryo385";
>  			reg = <0x0 0x600>;
>  			enable-method = "psci";
> +			qcom,freq-domain = <&cpufreq_hw 1>;
>  			next-level-cache = <&L2_600>;
>  			L2_600: l2-cache {
>  				compatible = "cache";
> @@ -186,6 +193,7 @@
>  			compatible = "qcom,kryo385";
>  			reg = <0x0 0x700>;
>  			enable-method = "psci";
> +			qcom,freq-domain = <&cpufreq_hw 1>;
>  			next-level-cache = <&L2_700>;
>  			L2_700: l2-cache {
>  				compatible = "cache";
> @@ -1686,6 +1694,17 @@
>  				status = "disabled";
>  			};
>  		};
> +
> +		cpufreq_hw: cpufreq@...43000 {
> +			compatible = "qcom,cpufreq-hw";
> +			reg = <0x17d43000 0x1400>, <0x17d45800 0x1400>;
> +			reg-names = "freq-domain0", "freq-domain1";
> +
> +			clocks = <&rpmhcc RPMH_CXO_CLK>, <&gcc GPLL0>;
> +			clock-names = "xo", "alternate";
> +
> +			#freq-domain-cells = <1>;
> +		};
>  	};
> 
>  	thermal-zones {

Reviewed-by: Matthias Kaehlcke <mka@...omium.org>

Thanks

Matthias