linux-kernel - [PATCH 2/4] arm: dts: rk322x: add operating-points-v2 property for cpu

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Date:   Wed, 17 May 2017 12:45:21 +0800
From:   Frank Wang <frank.wang@...k-chips.com>
To:     heiko@...ech.de, robh+dt@...nel.org, mark.rutland@....com,
        linux@...linux.org.uk, mturquette@...libre.com,
        sboyd@...eaurora.org, rjw@...ysocki.net, viresh.kumar@...aro.org,
        rui.zhang@...el.com, edubezval@...il.com
Cc:     linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
        linux-clk@...r.kernel.org, charles.chen@...k-chips.com,
        cody.xie@...k-chips.com, kevan.lan@...k-chips.com,
        huangtao@...k-chips.com, rocky.hao@...k-chips.com,
        finley.xiao@...k-chips.com, zhangqing@...k-chips.com,
        wmc@...k-chips.com, Frank Wang <frank.wang@...k-chips.com>
Subject: [PATCH 2/4] arm: dts: rk322x: add operating-points-v2 property for cpu

From: Finley Xiao <finley.xiao@...k-chips.com>

This patch adds a new opp table for cpu on rk322x SoC.

Signed-off-by: Frank Wang <frank.wang@...k-chips.com>
---
 arch/arm/boot/dts/rk322x.dtsi | 36 ++++++++++++++++++++++++++++++++----
 1 file changed, 32 insertions(+), 4 deletions(-)

diff --git a/arch/arm/boot/dts/rk322x.dtsi b/arch/arm/boot/dts/rk322x.dtsi
index 40044e8..7809e56 100644
--- a/arch/arm/boot/dts/rk322x.dtsi
+++ b/arch/arm/boot/dts/rk322x.dtsi
@@ -66,10 +66,7 @@
 			compatible = "arm,cortex-a7";
 			reg = <0xf00>;
 			resets = <&cru SRST_CORE0>;
-			operating-points = <
-				/* KHz    uV */
-				 816000 1000000
-			>;
+			operating-points-v2 = <&cpu0_opp_table>;
 			#cooling-cells = <2>; /* min followed by max */
 			clock-latency = <40000>;
 			clocks = <&cru ARMCLK>;
@@ -80,6 +77,7 @@
 			compatible = "arm,cortex-a7";
 			reg = <0xf01>;
 			resets = <&cru SRST_CORE1>;
+			operating-points-v2 = <&cpu0_opp_table>;
 		};
 
 		cpu2: cpu@f02 {
@@ -87,6 +85,7 @@
 			compatible = "arm,cortex-a7";
 			reg = <0xf02>;
 			resets = <&cru SRST_CORE2>;
+			operating-points-v2 = <&cpu0_opp_table>;
 		};
 
 		cpu3: cpu@f03 {
@@ -94,6 +93,35 @@
 			compatible = "arm,cortex-a7";
 			reg = <0xf03>;
 			resets = <&cru SRST_CORE3>;
+			operating-points-v2 = <&cpu0_opp_table>;
+		};
+	};
+
+	cpu0_opp_table: opp_table0 {
+		compatible = "operating-points-v2";
+		opp-shared;
+
+		opp-408000000 {
+			opp-hz = /bits/ 64 <408000000>;
+			opp-microvolt = <950000>;
+			clock-latency-ns = <40000>;
+			opp-suspend;
+		};
+		opp-600000000 {
+			opp-hz = /bits/ 64 <600000000>;
+			opp-microvolt = <975000>;
+		};
+		opp-816000000 {
+			opp-hz = /bits/ 64 <816000000>;
+			opp-microvolt = <1000000>;
+		};
+		opp-1008000000 {
+			opp-hz = /bits/ 64 <1008000000>;
+			opp-microvolt = <1175000>;
+		};
+		opp-1200000000 {
+			opp-hz = /bits/ 64 <1200000000>;
+			opp-microvolt = <1275000>;
 		};
 	};
 
-- 
2.0.0