On Mar 20, 2015, at 1:21 PM, Lina Iyer <lina.iyer@xxxxxxxxxx> wrote:
> Each Krait CPU in the QCOM 8074/8974 SoC has an SAW power controller to
> regulate the power to the cpu and aide the core in entering idle states.
> Reference the SAW instance and associate the instance with the CPU core.
>
> Cc: Kumar Gala <galak@xxxxxxxxxxxxxx>
> Signed-off-by: Lina Iyer <lina.iyer@xxxxxxxxxx>
> Reviewed-by: Stephen Boyd <sboyd@xxxxxxxxxxxxxx>
> ---
> arch/arm/boot/dts/qcom-msm8974.dtsi | 26 +++++++++++++++++++++++++-
> 1 file changed, 25 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm/boot/dts/qcom-msm8974.dtsi b/arch/arm/boot/dts/qcom-msm8974.dtsi
> index e265ec1..5a41f44 100644
> --- a/arch/arm/boot/dts/qcom-msm8974.dtsi
> +++ b/arch/arm/boot/dts/qcom-msm8974.dtsi
> @@ -21,6 +21,7 @@
> reg = <0>;
> next-level-cache = <&L2>;
> qcom,acc = <&acc0>;
> + qcom,saw = <&saw0>;
> };
>
> cpu@1 {
> @@ -30,6 +31,7 @@
> reg = <1>;
> next-level-cache = <&L2>;
> qcom,acc = <&acc1>;
> + qcom,saw = <&saw1>;
> };
>
> cpu@2 {
> @@ -39,6 +41,7 @@
> reg = <2>;
> next-level-cache = <&L2>;
> qcom,acc = <&acc2>;
> + qcom,saw = <&saw2>;
> };
>
> cpu@3 {
> @@ -48,6 +51,7 @@
> reg = <3>;
> next-level-cache = <&L2>;
> qcom,acc = <&acc3>;
> + qcom,saw = <&saw3>;
> };
>
> L2: l2-cache {
> @@ -144,7 +148,27 @@
> };
> };
>
> - saw_l2: regulator@f9012000 {
> + saw0: power-controller@f9089000 {
> + compatible = "qcom,msm8974-saw2-v2.1-cpu”;
Should these include “qcom,saw”?
> + reg = <0xf9089000 0x1000>, <0xf9009000 0x1000>;
> + };
> +
> + saw1: power-controller@f9099000 {
> + compatible = "qcom,msm8974-saw2-v2.1-cpu";
> + reg = <0xf9099000 0x1000>, <0xf9009000 0x1000>;
> + };
> +
> + saw2: power-controller@f90a9000 {
> + compatible = "qcom,msm8974-saw2-v2.1-cpu";
> + reg = <0xf90a9000 0x1000>, <0xf9009000 0x1000>;
> + };
> +
> + saw3: power-controller@f90b9000 {
> + compatible = "qcom,msm8974-saw2-v2.1-cpu";
> + reg = <0xf90b9000 0x1000>, <0xf9009000 0x1000>;
> + };
> +
> + saw_l2: power-controller@f9012000 {
> compatible = "qcom,saw2";
> reg = <0xf9012000 0x1000>;
> regulator;
> --
> 2.1.0
>
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