target/linux/ipq806x/patches-4.4/304-add-cpu-idle-state-into-ipq8064-DT.patch

   1 From 3985d2c24d96f72211488fc6ebb53b032e4d0a05 Mon Sep 17 00:00:00 2001
   2 From: Pavel Kubelun <be.dissent@gmail.com>
   3 Date: Sun, 6 Nov 2016 19:02:34 +0300
   4 Subject: [PATCH] ipq806x: add cpu idle state into ipq8064 DT
   5
   6 Signed-off-by: Pavel Kubelun <be.dissent@gmail.com>
   7 ---
   8  arch/arm/boot/dts/qcom-ipq8064.dtsi | 16 ++++++++++++++--
   9  1 file changed, 14 insertions(+), 2 deletions(-)
  10
  11 diff --git a/arch/arm/boot/dts/qcom-ipq8064.dtsi b/arch/arm/boot/dts/qcom-ipq8064.dtsi
  12 index cb9c41d..8c989c0 100644
  13 --- a/arch/arm/boot/dts/qcom-ipq8064.dtsi
  14 +++ b/arch/arm/boot/dts/qcom-ipq8064.dtsi
  15 @@ -18,7 +18,7 @@
  16                 #address-cells = <1>;
  17                 #size-cells = <0>;
  18
  19 -               cpu@0 {
  20 +               cpu0: cpu@0 {
  21                         compatible = "qcom,krait";
  22                         enable-method = "qcom,kpss-acc-v1";
  23                         device_type = "cpu";
  24 @@ -31,9 +31,10 @@
  25                         clock-latency = <100000>;
  26                         cpu-supply = <&smb208_s2a>;
  27                         voltage-tolerance = <5>;
  28 +                       cpu-idle-states = <&CPU_SPC>;
  29                 };
  30
  31 -               cpu@1 {
  32 +               cpu1: cpu@1 {
  33                         compatible = "qcom,krait";
  34                         enable-method = "qcom,kpss-acc-v1";
  35                         device_type = "cpu";
  36 @@ -45,6 +46,7 @@
  37                         clock-names = "cpu", "l2";
  38                         clock-latency = <100000>;
  39                         cpu-supply = <&smb208_s2b>;
  40 +                       cpu-idle-states = <&CPU_SPC>;
  41                 };
  42
  43                 L2: l2-cache {
  44 @@ -56,6 +58,16 @@
  45                 qcom,l2 {
  46                         qcom,l2-rates = <384000000 1000000000 1200000000>;
  47                 };
  48 +
  49 +               idle-states {
  50 +                       CPU_SPC: spc {
  51 +                               compatible = "qcom,idle-state-spc",
  52 +                                               "arm,idle-state";
  53 +                               entry-latency-us = <400>;
  54 +                               exit-latency-us = <900>;
  55 +                               min-residency-us = <3000>;
  56 +                       };
  57 +               };
  58         };
  59
  60         cpu-pmu {