Add cpufreq-hw node to support CPU frequency scaling.

Signed-off-by: Taniya Das <quic_tdas@quicinc.com>
---
 arch/arm64/boot/dts/qcom/qcs615.dtsi | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/qcs615.dtsi b/arch/arm64/boot/dts/qcom/qcs615.dtsi
index 5adf409d7ce7226042c759cc83ceca331097ae37..142338069a74cc6c263e17d84efa22ccd0c26813 100644
--- a/arch/arm64/boot/dts/qcom/qcs615.dtsi
+++ b/arch/arm64/boot/dts/qcom/qcs615.dtsi
@@ -36,6 +36,8 @@ cpu0: cpu@0 {
 			capacity-dmips-mhz = <1024>;
 			dynamic-power-coefficient = <100>;
 			next-level-cache = <&l2_0>;
+			clocks = <&cpufreq_hw 0>;
+			qcom,freq-domain = <&cpufreq_hw 0>;
 			#cooling-cells = <2>;
 
 			l2_0: l2-cache {
@@ -56,6 +58,8 @@ cpu1: cpu@100 {
 			capacity-dmips-mhz = <1024>;
 			dynamic-power-coefficient = <100>;
 			next-level-cache = <&l2_100>;
+			clocks = <&cpufreq_hw 0>;
+			qcom,freq-domain = <&cpufreq_hw 0>;
 
 			l2_100: l2-cache {
 			      compatible = "cache";
@@ -75,6 +79,8 @@ cpu2: cpu@200 {
 			capacity-dmips-mhz = <1024>;
 			dynamic-power-coefficient = <100>;
 			next-level-cache = <&l2_200>;
+			clocks = <&cpufreq_hw 0>;
+			qcom,freq-domain = <&cpufreq_hw 0>;
 
 			l2_200: l2-cache {
 			      compatible = "cache";
@@ -94,6 +100,8 @@ cpu3: cpu@300 {
 			capacity-dmips-mhz = <1024>;
 			dynamic-power-coefficient = <100>;
 			next-level-cache = <&l2_300>;
+			clocks = <&cpufreq_hw 0>;
+			qcom,freq-domain = <&cpufreq_hw 0>;
 
 			l2_300: l2-cache {
 			      compatible = "cache";
@@ -113,6 +121,8 @@ cpu4: cpu@400 {
 			capacity-dmips-mhz = <1024>;
 			dynamic-power-coefficient = <100>;
 			next-level-cache = <&l2_400>;
+			clocks = <&cpufreq_hw 0>;
+			qcom,freq-domain = <&cpufreq_hw 0>;
 
 			l2_400: l2-cache {
 			      compatible = "cache";
@@ -132,6 +142,8 @@ cpu5: cpu@500 {
 			capacity-dmips-mhz = <1024>;
 			dynamic-power-coefficient = <100>;
 			next-level-cache = <&l2_500>;
+			clocks = <&cpufreq_hw 0>;
+			qcom,freq-domain = <&cpufreq_hw 0>;
 
 			l2_500: l2-cache {
 			      compatible = "cache";
@@ -151,6 +163,8 @@ cpu6: cpu@600 {
 			capacity-dmips-mhz = <1740>;
 			dynamic-power-coefficient = <404>;
 			next-level-cache = <&l2_600>;
+			clocks = <&cpufreq_hw 1>;
+			qcom,freq-domain = <&cpufreq_hw 1>;
 			#cooling-cells = <2>;
 
 			l2_600: l2-cache {
@@ -171,6 +185,8 @@ cpu7: cpu@700 {
 			capacity-dmips-mhz = <1740>;
 			dynamic-power-coefficient = <404>;
 			next-level-cache = <&l2_700>;
+			clocks = <&cpufreq_hw 1>;
+			qcom,freq-domain = <&cpufreq_hw 1>;
 
 			l2_700: l2-cache {
 			      compatible = "cache";
@@ -3891,6 +3907,19 @@ glink_edge: glink-edge {
 				qcom,remote-pid = <2>;
 			};
 		};
+
+		cpufreq_hw: cpufreq@18323000 {
+			compatible = "qcom,qcs615-cpufreq-hw", "qcom,cpufreq-hw";
+			reg = <0 0x18323000 0 0x1400>, <0 0x18325800 0 0x1400>;
+			reg-names = "freq-domain0", "freq-domain1";
+
+			clocks = <&rpmhcc RPMH_CXO_CLK>, <&gcc GPLL0>;
+			clock-names = "xo", "alternate";
+
+			#freq-domain-cells = <1>;
+			#clock-cells = <1>;
+		};
+
 	};
 
 	arch_timer: timer {

-- 
2.34.1

On Wed, Jul 02, 2025 at 02:43:11PM +0530, Taniya Das wrote:
> Add cpufreq-hw node to support CPU frequency scaling.
> 
> Signed-off-by: Taniya Das <quic_tdas@quicinc.com>
> ---
>  arch/arm64/boot/dts/qcom/qcs615.dtsi | 29 +++++++++++++++++++++++++++++
>  1 file changed, 29 insertions(+)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>


-- 
With best wishes
Dmitry