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@somainline.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210923162204.21752-8-konrad.dybcio@somainline.org

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";
@@ -621,6 +629,16 @@ rpmhcc: clock-controller {
 				clocks = <&xo_board>;
 			};
 		};
+
+		cpufreq_hw: cpufreq@18323000 {
+			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 {