linux-kernel - [PATCH v2 08/18] arm64: dts: qcom: sm6350: Add cpufreq-hw support

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Message-Id: <20210828131814.29589-8-konrad.dybcio@somainline.org>
Date:   Sat, 28 Aug 2021 15:18:03 +0200
From:   Konrad Dybcio <konrad.dybcio@...ainline.org>
To:     ~postmarketos/upstreaming@...ts.sr.ht
Cc:     martin.botka@...ainline.org,
        angelogioacchino.delregno@...ainline.org,
        marijn.suijten@...ainline.org, jamipkettunen@...ainline.org,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Rob Herring <robh@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Brown <broonie@...nel.org>,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Sebastian Reichel <sre@...nel.org>,
        Sudeep Holla <sudeep.holla@....com>,
        Hector Martin <marcan@...can.st>,
        Vinod Koul <vkoul@...nel.org>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        linux-arm-msm@...r.kernel.org
Subject: [PATCH v2 08/18] arm64: dts: qcom: sm6350: Add cpufreq-hw support

Add cpufreq-hw node and assign qcom,freq-domain properties to CPUs to enable
CPU clock scaling.

Signed-off-by: Konrad Dybcio <konrad.dybcio@...ainline.org>
---
 arch/arm64/boot/dts/qcom/sm6350.dtsi | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm6350.dtsi b/arch/arm64/boot/dts/qcom/sm6350.dtsi
index ee28c7cbab81..d945a44e63df 100644
--- a/arch/arm64/boot/dts/qcom/sm6350.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm6350.dtsi
@@ -42,6 +42,7 @@ CPU0: cpu@0 {
 			capacity-dmips-mhz = <1024>;
 			dynamic-power-coefficient = <100>;
 			next-level-cache = <&L2_0>;
+			qcom,freq-domain = <&cpufreq_hw 0>;
 			#cooling-cells = <2>;
 			L2_0: l2-cache {
 				compatible = "cache";
@@ -60,6 +61,7 @@ CPU1: cpu@100 {
 			capacity-dmips-mhz = <1024>;
 			dynamic-power-coefficient = <100>;
 			next-level-cache = <&L2_100>;
+			qcom,freq-domain = <&cpufreq_hw 0>;
 			#cooling-cells = <2>;
 			L2_100: l2-cache {
 				compatible = "cache";
@@ -75,6 +77,7 @@ CPU2: cpu@200 {
 			capacity-dmips-mhz = <1024>;
 			dynamic-power-coefficient = <100>;
 			next-level-cache = <&L2_200>;
+			qcom,freq-domain = <&cpufreq_hw 0>;
 			#cooling-cells = <2>;
 			L2_200: l2-cache {
 				compatible = "cache";
@@ -90,6 +93,7 @@ CPU3: cpu@300 {
 			capacity-dmips-mhz = <1024>;
 			dynamic-power-coefficient = <100>;
 			next-level-cache = <&L2_300>;
+			qcom,freq-domain = <&cpufreq_hw 0>;
 			#cooling-cells = <2>;
 			L2_300: l2-cache {
 				compatible = "cache";
@@ -105,6 +109,7 @@ CPU4: cpu@400 {
 			capacity-dmips-mhz = <1024>;
 			dynamic-power-coefficient = <100>;
 			next-level-cache = <&L2_400>;
+			qcom,freq-domain = <&cpufreq_hw 0>;
 			#cooling-cells = <2>;
 			L2_400: l2-cache {
 				compatible = "cache";
@@ -120,6 +125,7 @@ CPU5: cpu@500 {
 			capacity-dmips-mhz = <1024>;
 			dynamic-power-coefficient = <100>;
 			next-level-cache = <&L2_500>;
+			qcom,freq-domain = <&cpufreq_hw 0>;
 			#cooling-cells = <2>;
 			L2_500: l2-cache {
 				compatible = "cache";
@@ -136,6 +142,7 @@ CPU6: cpu@600 {
 			capacity-dmips-mhz = <1894>;
 			dynamic-power-coefficient = <703>;
 			next-level-cache = <&L2_600>;
+			qcom,freq-domain = <&cpufreq_hw 1>;
 			#cooling-cells = <2>;
 			L2_600: l2-cache {
 				compatible = "cache";
@@ -151,6 +158,7 @@ CPU7: cpu@700 {
 			capacity-dmips-mhz = <1894>;
 			dynamic-power-coefficient = <703>;
 			next-level-cache = <&L2_700>;
+			qcom,freq-domain = <&cpufreq_hw 1>;
 			#cooling-cells = <2>;
 			L2_700: l2-cache {
 				compatible = "cache";
@@ -623,6 +631,16 @@ rpmhcc: clock-controller {
 				clocks = <&xo_board>;
 			};
 		};
+
+		cpufreq_hw: cpufreq@...23000 {
+			compatible = "qcom,cpufreq-hw";
+			reg = <0 0x18323000 0 0x1000>, <0 0x18325800 0 0x1000>;
+			reg-names = "freq-domain0", "freq-domain1";
+			clocks = <&rpmhcc RPMH_CXO_CLK>, <&gcc GPLL0>;
+			clock-names = "xo", "alternate";
+
+			#freq-domain-cells = <1>;
+		};
 	};
 
 	timer {
-- 
2.33.0