OpenWrt – Rev 4
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From 18c3b42575a154343831aec0637aab00e19440e1 Mon Sep 17 00:00:00 2001
From: Matthew McClintock <mmcclint@codeaurora.org>
Date: Thu, 17 Mar 2016 15:01:09 -0500
Subject: [PATCH 17/69] qcom: ipq4019: add cpu operating points for cpufreq
support
This adds some operating points for cpu frequeny scaling
Signed-off-by: Matthew McClintock <mmcclint@codeaurora.org>
---
arch/arm/boot/dts/qcom-ipq4019.dtsi | 34 ++++++++++++++++++++++++++--------
1 file changed, 26 insertions(+), 8 deletions(-)
--- a/arch/arm/boot/dts/qcom-ipq4019.dtsi
+++ b/arch/arm/boot/dts/qcom-ipq4019.dtsi
@@ -40,14 +40,7 @@
reg = <0x0>;
clocks = <&gcc GCC_APPS_CLK_SRC>;
clock-frequency = <0>;
- operating-points = <
- /* kHz uV (fixed) */
- 48000 1100000
- 200000 1100000
- 500000 1100000
- 666000 1100000
- >;
- clock-latency = <256000>;
+ operating-points-v2 = <&cpu0_opp_table>;
};
cpu@1 {
@@ -59,6 +52,7 @@
reg = <0x1>;
clocks = <&gcc GCC_APPS_CLK_SRC>;
clock-frequency = <0>;
+ operating-points-v2 = <&cpu0_opp_table>;
};
cpu@2 {
@@ -70,6 +64,7 @@
reg = <0x2>;
clocks = <&gcc GCC_APPS_CLK_SRC>;
clock-frequency = <0>;
+ operating-points-v2 = <&cpu0_opp_table>;
};
cpu@3 {
@@ -81,6 +76,29 @@
reg = <0x3>;
clocks = <&gcc GCC_APPS_CLK_SRC>;
clock-frequency = <0>;
+ operating-points-v2 = <&cpu0_opp_table>;
+ };
+ };
+
+ cpu0_opp_table: opp_table0 {
+ compatible = "operating-points-v2";
+ opp-shared;
+
+ opp-48000000 {
+ opp-hz = /bits/ 64 <48000000>;
+ clock-latency-ns = <256000>;
+ };
+ opp-200000000 {
+ opp-hz = /bits/ 64 <200000000>;
+ clock-latency-ns = <256000>;
+ };
+ opp-500000000 {
+ opp-hz = /bits/ 64 <500000000>;
+ clock-latency-ns = <256000>;
+ };
+ opp-716000000 {
+ opp-hz = /bits/ 64 <716000000>;
+ clock-latency-ns = <256000>;
};
};