ARM: dts: qcom: Add power-controller device node for 8074 Krait CPUs

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.

Signed-off-by: Lina Iyer <lina.iyer@linaro.org>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Kumar Gala <galak@codeaurora.org>
Signed-off-by: Olof Johansson <olof@lixom.net>

diff --git a/arch/arm/boot/dts/qcom-msm8974.dtsi b/arch/arm/boot/dts/qcom-msm8974.dtsi
index 2d11641c720f0707e88c39bb77ac2b061f6651bc..1bb18322a66e4a670800291ff80a5297599a95ea 100644 (file)
--- 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", "qcom,saw2";
+                       reg = <0xf9089000 0x1000>, <0xf9009000 0x1000>;
+               };
+
+               saw1: power-controller@f9099000 {
+                       compatible = "qcom,msm8974-saw2-v2.1-cpu", "qcom,saw2";
+                       reg = <0xf9099000 0x1000>, <0xf9009000 0x1000>;
+               };
+
+               saw2: power-controller@f90a9000 {
+                       compatible = "qcom,msm8974-saw2-v2.1-cpu", "qcom,saw2";
+                       reg = <0xf90a9000 0x1000>, <0xf9009000 0x1000>;
+               };
+
+               saw3: power-controller@f90b9000 {
+                       compatible = "qcom,msm8974-saw2-v2.1-cpu", "qcom,saw2";
+                       reg = <0xf90b9000 0x1000>, <0xf9009000 0x1000>;
+               };
+
+               saw_l2: power-controller@f9012000 {
                        compatible = "qcom,saw2";
                        reg = <0xf9012000 0x1000>;
                        regulator;