linux-kernel - [PATCH] arm64: dts: mediatek: mt8173 PSCI-1.0 support

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Message-ID: <1440727919-34719-1-git-send-email-fan.chen@mediatek.com>
Date:	Fri, 28 Aug 2015 10:11:59 +0800
From:	<fan.chen@...iatek.com>
To:	Mark Rutland <mark.rutland@....com>,
	Matthias Brugger <matthias.bgg@...il.com>
CC:	<srv_heupstream@...iatek.com>, Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>,
	Daniel Kurtz <djkurtz@...omium.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Eddie Huang <eddie.huang@...iatek.com>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Howard Chen <howard.chen@...aro.org>,
	Yingjoe Chen <yingjoe.chen@...iatek.com>,
	<devicetree@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>,
	<linux-mediatek@...ts.infradead.org>,
	Sudeep Holla <sudeep.holla@....com>,
	Fan Chen <fan.chen@...iatek.com>
Subject: [PATCH] arm64: dts: mediatek: mt8173 PSCI-1.0 support

From: Fan Chen <fan.chen@...iatek.com>

This patch adds psci comatible properties to support all mandatory
functions of PSCI-1.0, PSCI-0.2 and PSCI-0.1, and system suspend
can be supported in PSCI-1.0.

Signed-off-by: Fan Chen <fan.chen@...iatek.com>
---
Because PSCI-1.0 patches hadn't landed on mainline, this patch is
based on three patch sets below:
[0] http://www.spinics.net/lists/arm-kernel/msg425793.html
    PSCI: system suspend support
[1] git://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git
    psci/unification
[2] http://www.spinics.net/lists/devicetree/msg82017.html
    [PATCH 0/6] drivers: firmware: psci: add basic v1.0 support

Before they are merged in, this patch still works fine with psci-0.2
support in current mainline.
---
 arch/arm64/boot/dts/mediatek/mt8173.dtsi |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
index d18ee42..b9b4205 100644
--- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
@@ -95,7 +95,7 @@
 	};
 
 	psci {
-		compatible = "arm,psci";
+		compatible = "arm,psci-1.0", "arm,psci-0.2", "arm,psci";
 		method = "smc";
 		cpu_suspend   = <0x84000001>;
 		cpu_off	      = <0x84000002>;
-- 
1.7.9.5

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