linux-kernel - [RFC V2 04/11] arm64: dts: mt8183: add performance state support of scpsys

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Date:   Tue, 30 Apr 2019 16:50:58 +0800
From:   Henry Chen <henryc.chen@...iatek.com>
To:     Georgi Djakov <georgi.djakov@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Viresh Kumar <vireshk@...nel.org>,
        Stephen Boyd <swboyd@...omium.org>
CC:     Nicolas Boichat <drinkcat@...gle.com>,
        Fan Chen <fan.chen@...iatek.com>,
        James Liao <jamesjj.liao@...iatek.com>,
        Weiyi Lu <weiyi.lu@...iatek.com>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        "Henry Chen" <henryc.chen@...iatek.com>
Subject: [RFC V2 04/11] arm64: dts: mt8183: add performance state support of scpsys

Add support for performance state of scpsys on mt8183 platform.

Signed-off-by: Henry Chen <henryc.chen@...iatek.com>
---
 arch/arm64/boot/dts/mediatek/mt8183.dtsi | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
index 75c4881..665d561 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
@@ -9,6 +9,7 @@
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/power/mt8183-power.h>
+#include <dt-bindings/soc/mtk,dvfsrc.h>
 
 / {
 	compatible = "mediatek,mt8183";
@@ -251,6 +252,26 @@
 				      "vpu-3", "vpu-4", "vpu-5";
 			infracfg = <&infracfg>;
 			smi_comm = <&smi_common>;
+			operating-points-v2 = <&dvfsrc_opp_table>;
+			dvfsrc_opp_table: opp-table {
+				compatible = "operating-points-v2-level";
+
+				dvfsrc_vol_min: opp1 {
+					opp,level = <MT8183_DVFSRC_LEVEL_1>;
+				};
+
+				dvfsrc_freq_medium: opp2 {
+					opp,level = <MT8183_DVFSRC_LEVEL_2>;
+				};
+
+				dvfsrc_freq_max: opp3 {
+					opp,level = <MT8183_DVFSRC_LEVEL_3>;
+				};
+
+				dvfsrc_vol_max: opp4 {
+					opp,level = <MT8183_DVFSRC_LEVEL_4>;
+				};
+			};
 		};
 
 		apmixedsys: syscon@...0c000 {
-- 
1.9.1