linux-kernel - [PATCH 1/2] arm64: dts: imx8mq: Assign highest opp as suspend opp

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Date:   Thu,  4 Jul 2019 14:14:02 +0800
From:   Anson.Huang@....com
To:     robh+dt@...nel.org, mark.rutland@....com, shawnguo@...nel.org,
        s.hauer@...gutronix.de, kernel@...gutronix.de, festevam@...il.com,
        leonard.crestez@....com, viresh.kumar@...aro.org, ping.bai@....com,
        daniel.baluta@....com, l.stach@...gutronix.de, abel.vesa@....com,
        andrew.smirnov@...il.com, ccaione@...libre.com, angus@...ea.ca,
        agx@...xcpu.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     Linux-imx@....com
Subject: [PATCH 1/2] arm64: dts: imx8mq: Assign highest opp as suspend opp

From: Anson Huang <Anson.Huang@....com>

Assign highest OPP as suspend OPP to reduce suspend/resume
latency on i.MX8MQ.

Signed-off-by: Anson Huang <Anson.Huang@....com>
---
This patch is based on https://patchwork.kernel.org/patch/11023815/
---
 arch/arm64/boot/dts/freescale/imx8mq.dtsi | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mq.dtsi b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
index 3187428..c61e968 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
@@ -171,6 +171,7 @@
 			opp-microvolt = <1000000>;
 			opp-supported-hw = <0xc>, <0x4>;
 			clock-latency-ns = <150000>;
+			opp-suspend;
 		};
 
 		opp-1500000000 {
@@ -178,6 +179,7 @@
 			opp-microvolt = <1000000>;
 			opp-supported-hw = <0x8>, <0x3>;
 			clock-latency-ns = <150000>;
+			opp-suspend;
 		};
 	};
 
-- 
2.7.4