OpenWrt – Rev 1
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From bcb9ab4c2917e92114d2f4c2b1da97cdf15b471b Mon Sep 17 00:00:00 2001
From: Matthew McClintock <mmcclint@codeaurora.org>
Date: Wed, 25 Jul 2018 10:37:46 +0200
Subject: [PATCH] ARM: dts: 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>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
---
arch/arm/boot/dts/qcom-ipq4019.dtsi | 54 ++++++++++++++---------------
1 file changed, 26 insertions(+), 28 deletions(-)
--- a/arch/arm/boot/dts/qcom-ipq4019.dtsi
+++ b/arch/arm/boot/dts/qcom-ipq4019.dtsi
@@ -59,14 +59,8 @@
reg = <0x0>;
clocks = <&gcc GCC_APPS_CLK_SRC>;
clock-frequency = <0>;
- operating-points = <
- /* kHz uV (fixed) */
- 48000 1100000
- 200000 1100000
- 500000 1100000
- 716000 1100000
- >;
clock-latency = <256000>;
+ operating-points-v2 = <&cpu0_opp_table>;
};
cpu@1 {
@@ -79,14 +73,8 @@
reg = <0x1>;
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@2 {
@@ -99,14 +87,8 @@
reg = <0x2>;
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@3 {
@@ -119,14 +101,8 @@
reg = <0x3>;
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>;
};
L2: l2-cache {
@@ -136,6 +112,28 @@
};
};
+ 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) |