[v7,3/7] arm: dts: qcom: Add SPM device bindings for 8084

Message ID 1411779495-39724-4-git-send-email-lina.iyer@linaro.org
State New
Headers show

Commit Message

Lina Iyer Sept. 27, 2014, 12:58 a.m.
Add SPM device bindings for QCOM 8084 based cpus. SPM is the sub-system
power manager and controls the logic around the cores (cpu and L2).

Each core has an instance of SPM and controls only that core. Each cpu
SPM is configured to support WFI and SPC (standalone-power collapse).

Signed-off-by: Lina Iyer <lina.iyer@linaro.org>
---
 arch/arm/boot/dts/qcom-apq8084.dtsi | 26 +++++++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

Comments

Kevin Hilman Sept. 30, 2014, 5:31 p.m. | #1
Lina Iyer <lina.iyer@linaro.org> writes:

> Add SPM device bindings for QCOM 8084 based cpus. SPM is the sub-system
> power manager and controls the logic around the cores (cpu and L2).
>
> Each core has an instance of SPM and controls only that core. Each cpu
> SPM is configured to support WFI and SPC (standalone-power collapse).
>
> Signed-off-by: Lina Iyer <lina.iyer@linaro.org>

nit: This will need some more description, IMO.  The changelog talks
about SPM bindings, but all the stuff added refers to SAW.

Kevin
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Patch

diff --git a/arch/arm/boot/dts/qcom-apq8084.dtsi b/arch/arm/boot/dts/qcom-apq8084.dtsi
index e3e009a..3dda230 100644
--- a/arch/arm/boot/dts/qcom-apq8084.dtsi
+++ b/arch/arm/boot/dts/qcom-apq8084.dtsi
@@ -18,6 +18,7 @@ 
 			enable-method = "qcom,kpss-acc-v2";
 			next-level-cache = <&L2>;
 			qcom,acc = <&acc0>;
+			qcom,saw = <&saw0>;
 		};
 
 		cpu@1 {
@@ -27,6 +28,7 @@ 
 			enable-method = "qcom,kpss-acc-v2";
 			next-level-cache = <&L2>;
 			qcom,acc = <&acc1>;
+			qcom,saw = <&saw1>;
 		};
 
 		cpu@2 {
@@ -36,6 +38,7 @@ 
 			enable-method = "qcom,kpss-acc-v2";
 			next-level-cache = <&L2>;
 			qcom,acc = <&acc2>;
+			qcom,saw = <&saw2>;
 		};
 
 		cpu@3 {
@@ -45,6 +48,7 @@ 
 			enable-method = "qcom,kpss-acc-v2";
 			next-level-cache = <&L2>;
 			qcom,acc = <&acc3>;
+			qcom,saw = <&saw3>;
 		};
 
 		L2: l2-cache {
@@ -141,7 +145,27 @@ 
 			};
 		};
 
-		saw_l2: regulator@f9012000 {
+		saw0: saw@f9089000 {
+			compatible = "qcom,apq8084-saw2-v2.1-cpu";
+			reg = <0xf9089000 0x1000>;
+		};
+
+		saw1: saw@f9099000 {
+			compatible = "qcom,apq8084-saw2-v2.1-cpu";
+			reg = <0xf9099000 0x1000>;
+		};
+
+		saw2: saw@f90a9000 {
+			compatible = "qcom,apq8084-saw2-v2.1-cpu";
+			reg = <0xf90a9000 0x1000>;
+		};
+
+		saw3: saw@f90b9000 {
+			compatible = "qcom,apq8084-saw2-v2.1-cpu";
+			reg = <0xf90b9000 0x1000>;
+		};
+
+		saw_l2: saw@f9012000 {
 			compatible = "qcom,saw2";
 			reg = <0xf9012000 0x1000>;
 			regulator;