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