arm64: dts: qcom: sc7280: Add cpufreq hw node

Add cpufreq HW device node to scale 4-Silver/3-Gold/1-Gold+
cores on SC7280 SoCs.
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Taniya Das <tdas@codeaurora.org>
Link: https://lore.kernel.org/r/1618020280-5470-2-git-send-email-tdas@codeaurora.org
[bjorn: Dropped reg-names]
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

arch/arm64/boot/dts/qcom/sc7280.dtsi

@@ -71,6 +71,7 @@ CPU0: cpu@0 {
 					   &LITTLE_CPU_SLEEP_1
 					   &CLUSTER_SLEEP_0>;
 			next-level-cache = <&L2_0>;
+			qcom,freq-domain = <&cpufreq_hw 0>;
 			#cooling-cells = <2>;
 			L2_0: l2-cache {
 				compatible = "cache";
@@ -90,6 +91,7 @@ CPU1: cpu@100 {
 					   &LITTLE_CPU_SLEEP_1
 					   &CLUSTER_SLEEP_0>;
 			next-level-cache = <&L2_100>;
+			qcom,freq-domain = <&cpufreq_hw 0>;
 			#cooling-cells = <2>;
 			L2_100: l2-cache {
 				compatible = "cache";
@@ -106,6 +108,7 @@ CPU2: cpu@200 {
 					   &LITTLE_CPU_SLEEP_1
 					   &CLUSTER_SLEEP_0>;
 			next-level-cache = <&L2_200>;
+			qcom,freq-domain = <&cpufreq_hw 0>;
 			#cooling-cells = <2>;
 			L2_200: l2-cache {
 				compatible = "cache";
@@ -122,6 +125,7 @@ CPU3: cpu@300 {
 					   &LITTLE_CPU_SLEEP_1
 					   &CLUSTER_SLEEP_0>;
 			next-level-cache = <&L2_300>;
+			qcom,freq-domain = <&cpufreq_hw 0>;
 			#cooling-cells = <2>;
 			L2_300: l2-cache {
 				compatible = "cache";
@@ -138,6 +142,7 @@ CPU4: cpu@400 {
 					   &BIG_CPU_SLEEP_1
 					   &CLUSTER_SLEEP_0>;
 			next-level-cache = <&L2_400>;
+			qcom,freq-domain = <&cpufreq_hw 1>;
 			#cooling-cells = <2>;
 			L2_400: l2-cache {
 				compatible = "cache";
@@ -154,6 +159,7 @@ CPU5: cpu@500 {
 					   &BIG_CPU_SLEEP_1
 					   &CLUSTER_SLEEP_0>;
 			next-level-cache = <&L2_500>;
+			qcom,freq-domain = <&cpufreq_hw 1>;
 			#cooling-cells = <2>;
 			L2_500: l2-cache {
 				compatible = "cache";
@@ -170,6 +176,7 @@ CPU6: cpu@600 {
 					   &BIG_CPU_SLEEP_1
 					   &CLUSTER_SLEEP_0>;
 			next-level-cache = <&L2_600>;
+			qcom,freq-domain = <&cpufreq_hw 1>;
 			#cooling-cells = <2>;
 			L2_600: l2-cache {
 				compatible = "cache";
@@ -186,6 +193,7 @@ CPU7: cpu@700 {
 					   &BIG_CPU_SLEEP_1
 					   &CLUSTER_SLEEP_0>;
 			next-level-cache = <&L2_700>;
+			qcom,freq-domain = <&cpufreq_hw 1>;
 			#cooling-cells = <2>;
 			L2_700: l2-cache {
 				compatible = "cache";
@@ -1147,6 +1155,16 @@ rpmhcc: clock-controller {
 				#clock-cells = <1>;
 			};
 		};
+
+		cpufreq_hw: cpufreq@18591000 {
+			compatible = "qcom,cpufreq-epss";
+			reg = <0 0x18591000 0 0x1000>,
+			      <0 0x18592000 0 0x1000>,
+			      <0 0x18593000 0 0x1000>;
+			clocks = <&rpmhcc RPMH_CXO_CLK>, <&gcc GCC_GPLL0>;
+			clock-names = "xo", "alternate";
+			#freq-domain-cells = <1>;
+		};
 	};
 
 	thermal_zones: thermal-zones {