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Subject[PATCH 4/4] arm64: dts: qcom: msm8916: Add CPU frequency scaling support
Date
Add a CPU OPP table to allow CPU frequency scaling on msm8916 platforms.

Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
---
arch/arm64/boot/dts/qcom/msm8916.dtsi | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/msm8916.dtsi b/arch/arm64/boot/dts/qcom/msm8916.dtsi
index 4539571a36b2..e4682779eec7 100644
--- a/arch/arm64/boot/dts/qcom/msm8916.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8916.dtsi
@@ -113,6 +113,8 @@
next-level-cache = <&L2_0>;
enable-method = "psci";
cpu-idle-states = <&CPU_SPC>;
+ clocks = <&apcs 0>;
+ operating-points-v2 = <&cpu_opp_table>;
};

CPU1: cpu@1 {
@@ -122,6 +124,8 @@
next-level-cache = <&L2_0>;
enable-method = "psci";
cpu-idle-states = <&CPU_SPC>;
+ clocks = <&apcs 0>;
+ operating-points-v2 = <&cpu_opp_table>;
};

CPU2: cpu@2 {
@@ -131,6 +135,8 @@
next-level-cache = <&L2_0>;
enable-method = "psci";
cpu-idle-states = <&CPU_SPC>;
+ clocks = <&apcs 0>;
+ operating-points-v2 = <&cpu_opp_table>;
};

CPU3: cpu@3 {
@@ -140,6 +146,8 @@
next-level-cache = <&L2_0>;
enable-method = "psci";
cpu-idle-states = <&CPU_SPC>;
+ clocks = <&apcs 0>;
+ operating-points-v2 = <&cpu_opp_table>;
};

L2_0: l2-cache {
@@ -212,6 +220,24 @@

};

+ cpu_opp_table: cpu_opp_table {
+ compatible = "operating-points-v2";
+ opp-shared;
+
+ opp-200000000 {
+ opp-hz = /bits/ 64 <200000000>;
+ };
+ opp-400000000 {
+ opp-hz = /bits/ 64 <400000000>;
+ };
+ opp-800000000 {
+ opp-hz = /bits/ 64 <800000000>;
+ };
+ opp-998400000 {
+ opp-hz = /bits/ 64 <998400000>;
+ };
+ };
+
gpu_opp_table: opp_table {
compatible = "operating-points-v2";

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