OpenWrt – Rev 1
?pathlinks?
From 544af73985cd14b450bb8e8a6c22b89a555ac729 Mon Sep 17 00:00:00 2001
From: Matthew McClintock <mmcclint@codeaurora.org>
Date: Mon, 23 Jul 2018 09:10:35 +0200
Subject: [PATCH 6/8] 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>
Signed-off-by: John Crispin <john@phrozen.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
@@ -41,14 +41,7 @@
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 {
@@ -61,6 +54,7 @@
reg = <0x1>;
clocks = <&gcc GCC_APPS_CLK_SRC>;
clock-frequency = <0>;
+ operating-points-v2 = <&cpu0_opp_table>;
};
cpu@2 {
@@ -73,6 +67,7 @@
reg = <0x2>;
clocks = <&gcc GCC_APPS_CLK_SRC>;
clock-frequency = <0>;
+ operating-points-v2 = <&cpu0_opp_table>;
};
cpu@3 {
@@ -85,6 +80,7 @@
reg = <0x3>;
clocks = <&gcc GCC_APPS_CLK_SRC>;
clock-frequency = <0>;
+ operating-points-v2 = <&cpu0_opp_table>;
};
L2: l2-cache {
@@ -94,6 +90,28 @@
};
};
+ 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>;
+ };
+ };
+
pmu {
compatible = "arm,cortex-a7-pmu";
interrupts = <GIC_PPI 7 (GIC_CPU_MASK_SIMPLE(4) |