openwrt/target/linux/ipq40xx/patches-4.14/072-qcom-ipq4019-add-cpu-operating-points-for-cpufreq-su.patch

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(-)

Index: linux-4.14.54/arch/arm/boot/dts/qcom-ipq4019.dtsi
===================================================================
--- linux-4.14.54.orig/arch/arm/boot/dts/qcom-ipq4019.dtsi
+++ linux-4.14.54/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 +80,29 @@
 			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>;
 		};
 
 		L2: l2-cache {