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authorLina Iyer <lina.iyer@linaro.org>2015-03-25 21:25:31 +0100
committerOlof Johansson <olof@lixom.net>2015-04-03 22:33:53 +0200
commit030e27f6c60d37a24bbbff060936954ad6f77b0b (patch)
treed8486798d704c56d92c2d539aa202a447579aa64 /arch
parentARM: dts: qcom: Add power-controller device node for 8074 Krait CPUs (diff)
downloadlinux-030e27f6c60d37a24bbbff060936954ad6f77b0b.tar.xz
linux-030e27f6c60d37a24bbbff060936954ad6f77b0b.zip
ARM: dts: qcom: Add power-controller device node for 8084 Krait CPUs
Each Krait CPU in the QCOM 8084 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>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/boot/dts/qcom-apq8084.dtsi26
1 files changed, 25 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/qcom-apq8084.dtsi b/arch/arm/boot/dts/qcom-apq8084.dtsi
index dbedf64f6564..df2e308d06d3 100644
--- a/arch/arm/boot/dts/qcom-apq8084.dtsi
+++ b/arch/arm/boot/dts/qcom-apq8084.dtsi
@@ -21,6 +21,7 @@
enable-method = "qcom,kpss-acc-v2";
next-level-cache = <&L2>;
qcom,acc = <&acc0>;
+ qcom,saw = <&saw0>;
};
cpu@1 {
@@ -30,6 +31,7 @@
enable-method = "qcom,kpss-acc-v2";
next-level-cache = <&L2>;
qcom,acc = <&acc1>;
+ qcom,saw = <&saw1>;
};
cpu@2 {
@@ -39,6 +41,7 @@
enable-method = "qcom,kpss-acc-v2";
next-level-cache = <&L2>;
qcom,acc = <&acc2>;
+ qcom,saw = <&saw2>;
};
cpu@3 {
@@ -48,6 +51,7 @@
enable-method = "qcom,kpss-acc-v2";
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,apq8084-saw2-v2.1-cpu", "qcom,saw2";
+ reg = <0xf9089000 0x1000>, <0xf9009000 0x1000>;
+ };
+
+ saw1: power-controller@f9099000 {
+ compatible = "qcom,apq8084-saw2-v2.1-cpu", "qcom,saw2";
+ reg = <0xf9099000 0x1000>, <0xf9009000 0x1000>;
+ };
+
+ saw2: power-controller@f90a9000 {
+ compatible = "qcom,apq8084-saw2-v2.1-cpu", "qcom,saw2";
+ reg = <0xf90a9000 0x1000>, <0xf9009000 0x1000>;
+ };
+
+ saw3: power-controller@f90b9000 {
+ compatible = "qcom,apq8084-saw2-v2.1-cpu", "qcom,saw2";
+ reg = <0xf90b9000 0x1000>, <0xf9009000 0x1000>;
+ };
+
+ saw_l2: power-controller@f9012000 {
compatible = "qcom,saw2";
reg = <0xf9012000 0x1000>;
regulator;