openwrt/target/linux/ipq40xx/patches-4.19/072-v4.20-ARM-dts-qcom-ipq4019-add-cpu-operating-points-for-cp.patch

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 | 58 ++++++++++++++---------------
 1 file changed, 30 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 +112,32 @@
 		};
 	};
 
+	cpu0_opp_table: opp_table0 {
+		compatible = "operating-points-v2";
+		opp-shared;
+
+		opp-48000000 {
+			opp-hz = /bits/ 64 <48000000>;
+			opp-microvolt = <1100000>;
+			clock-latency-ns = <256000>;
+		};
+		opp-200000000 {
+			opp-hz = /bits/ 64 <200000000>;
+			opp-microvolt = <1100000>;
+			clock-latency-ns = <256000>;
+		};
+		opp-500000000 {
+			opp-hz = /bits/ 64 <500000000>;
+			opp-microvolt = <1100000>;
+			clock-latency-ns = <256000>;
+		};
+		opp-716000000 {
+			opp-hz = /bits/ 64 <716000000>;
+			opp-microvolt = <1100000>;
+			clock-latency-ns = <256000>;
+ 		};
+	};
+
 	pmu {
 		compatible = "arm,cortex-a7-pmu";
 		interrupts = <GIC_PPI 7 (GIC_CPU_MASK_SIMPLE(4) |