openwrt/target/linux/ipq806x/patches-4.9/0017-qcom-ipq4019-add-cpu-operating-points-for-cpufreq-su.patch

From 18c3b42575a154343831aec0637aab00e19440e1 Mon Sep 17 00:00:00 2001
From: Matthew McClintock <[email protected]>
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 <[email protected]>
---
 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@666000000 {
+			opp-hz = /bits/ 64 <666000000>;
+			clock-latency-ns = <256000>;
 		};
 	};