[v8,2/7] arm: dts: qcom: Add power-controller device node for 8974 Krait CPUs

Message ID 1412718106-17049-3-git-send-email-lina.iyer@linaro.org
State New
Headers show

Commit Message

Lina Iyer Oct. 7, 2014, 9:41 p.m.
Each Krait CPU in the QCOM 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>
---
 arch/arm/boot/dts/qcom-msm8974.dtsi | 26 +++++++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

Comments

Stephen Boyd Oct. 7, 2014, 11:17 p.m. | #1
On 10/07/2014 02:41 PM, Lina Iyer wrote:
> @@ -144,7 +148,27 @@
>   			};
>   		};
>   
> -		saw_l2: regulator@f9012000 {
> +		saw0: power-controller@f9089000 {
> +			compatible = "qcom,msm8974-saw2-v2.1-cpu";
> +			reg = <0xf9089000 0x1000>;

Please add the aliases.
Lina Iyer Oct. 9, 2014, 3:57 p.m. | #2
On Tue, Oct 07 2014 at 17:17 -0600, Stephen Boyd wrote:
>On 10/07/2014 02:41 PM, Lina Iyer wrote:
>>@@ -144,7 +148,27 @@
>>  			};
>>  		};
>>-		saw_l2: regulator@f9012000 {
>>+		saw0: power-controller@f9089000 {
>>+			compatible = "qcom,msm8974-saw2-v2.1-cpu";
>>+			reg = <0xf9089000 0x1000>;
>
>Please add the aliases.
Will do.
>
>
>-- 
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Patch

diff --git a/arch/arm/boot/dts/qcom-msm8974.dtsi b/arch/arm/boot/dts/qcom-msm8974.dtsi
index 69dca2a..70c4329 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";
+			reg = <0xf9089000 0x1000>;
+		};
+
+		saw1: power-controller@f9099000 {
+			compatible = "qcom,msm8974-saw2-v2.1-cpu";
+			reg = <0xf9099000 0x1000>;
+		};
+
+		saw2: power-controller@f90a9000 {
+			compatible = "qcom,msm8974-saw2-v2.1-cpu";
+			reg = <0xf90a9000 0x1000>;
+		};
+
+		saw3: power-controller@f90b9000 {
+			compatible = "qcom,msm8974-saw2-v2.1-cpu";
+			reg = <0xf90b9000 0x1000>;
+		};
+
+		saw_l2: power-controller@f9012000 {
 			compatible = "qcom,saw2";
 			reg = <0xf9012000 0x1000>;
 			regulator;