[PATCH 4/4] arm64: dts: qcom: msm8916: Add CPU frequency scaling support
From: Georgi Djakov <hidden>
Date: 2018-02-05 14:47:15
Also in:
linux-arm-msm, lkml
Subsystem:
arm/qualcomm mailing list, arm/qualcomm support, the rest · Maintainers:
Bjorn Andersson, Konrad Dybcio, Linus Torvalds
Add a CPU OPP table to allow CPU frequency scaling on msm8916 platforms. Signed-off-by: Georgi Djakov <redacted> --- 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 at 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 at 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 at 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";