On 15.02.2023 08:03, Manivannan Sadhasivam wrote:
> Qualcomm platforms making use of CPUFreq HW Engine (EPSS/OSM) supply clocks
> to the CPU cores. But this relationship is not represented in DTS so far.
>
> So let's make cpufreq node as the clock provider and CPU nodes as the
> consumers. The clock index for each CPU node is based on the frequency
> domain index.
>
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
Konrad
> arch/arm64/boot/dts/qcom/sdm845.dtsi | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> index 479859bd8ab3..1d5e6ade8ae7 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> @@ -92,6 +92,7 @@ CPU0: cpu@0 {
> device_type = "cpu";
> compatible = "qcom,kryo385";
> reg = <0x0 0x0>;
> + clocks = <&cpufreq_hw 0>;
> enable-method = "psci";
> capacity-dmips-mhz = <611>;
> dynamic-power-coefficient = <290>;
> @@ -118,6 +119,7 @@ CPU1: cpu@100 {
> device_type = "cpu";
> compatible = "qcom,kryo385";
> reg = <0x0 0x100>;
> + clocks = <&cpufreq_hw 0>;
> enable-method = "psci";
> capacity-dmips-mhz = <611>;
> dynamic-power-coefficient = <290>;
> @@ -140,6 +142,7 @@ CPU2: cpu@200 {
> device_type = "cpu";
> compatible = "qcom,kryo385";
> reg = <0x0 0x200>;
> + clocks = <&cpufreq_hw 0>;
> enable-method = "psci";
> capacity-dmips-mhz = <611>;
> dynamic-power-coefficient = <290>;
> @@ -162,6 +165,7 @@ CPU3: cpu@300 {
> device_type = "cpu";
> compatible = "qcom,kryo385";
> reg = <0x0 0x300>;
> + clocks = <&cpufreq_hw 0>;
> enable-method = "psci";
> capacity-dmips-mhz = <611>;
> dynamic-power-coefficient = <290>;
> @@ -184,6 +188,7 @@ CPU4: cpu@400 {
> device_type = "cpu";
> compatible = "qcom,kryo385";
> reg = <0x0 0x400>;
> + clocks = <&cpufreq_hw 1>;
> enable-method = "psci";
> capacity-dmips-mhz = <1024>;
> dynamic-power-coefficient = <442>;
> @@ -206,6 +211,7 @@ CPU5: cpu@500 {
> device_type = "cpu";
> compatible = "qcom,kryo385";
> reg = <0x0 0x500>;
> + clocks = <&cpufreq_hw 1>;
> enable-method = "psci";
> capacity-dmips-mhz = <1024>;
> dynamic-power-coefficient = <442>;
> @@ -228,6 +234,7 @@ CPU6: cpu@600 {
> device_type = "cpu";
> compatible = "qcom,kryo385";
> reg = <0x0 0x600>;
> + clocks = <&cpufreq_hw 1>;
> enable-method = "psci";
> capacity-dmips-mhz = <1024>;
> dynamic-power-coefficient = <442>;
> @@ -250,6 +257,7 @@ CPU7: cpu@700 {
> device_type = "cpu";
> compatible = "qcom,kryo385";
> reg = <0x0 0x700>;
> + clocks = <&cpufreq_hw 1>;
> enable-method = "psci";
> capacity-dmips-mhz = <1024>;
> dynamic-power-coefficient = <442>;
> @@ -5232,6 +5240,7 @@ cpufreq_hw: cpufreq@17d43000 {
> clock-names = "xo", "alternate";
>
> #freq-domain-cells = <1>;
> + #clock-cells = <1>;
> };
>
> wifi: wifi@18800000 {
