linux-kernel - [PATCH 5/5] arm64: dts: sprd: Add one suspend timer

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Date:   Mon, 23 Jul 2018 14:10:20 +0800
From:   Baolin Wang <baolin.wang@...aro.org>
To:     robh+dt@...nel.org, mark.rutland@....com, catalin.marinas@....com,
        will.deacon@....com, arnd@...db.de, orsonzhai@...il.com,
        zhang.lyra@...il.com
Cc:     devicetree@...r.kernel.org, arm@...nel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        broonie@...nel.org, baolin.wang@...aro.org
Subject: [PATCH 5/5] arm64: dts: sprd: Add one suspend timer

On Spreadtrum platform, the current clocksource for timekeeping will be
stopped in suspend state, thus add one always-on timer to calculate the
suspend time.

Signed-off-by: Baolin Wang <baolin.wang@...aro.org>
---
 arch/arm64/boot/dts/sprd/whale2.dtsi |    6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm64/boot/dts/sprd/whale2.dtsi b/arch/arm64/boot/dts/sprd/whale2.dtsi
index e9db910..eb6be56 100644
--- a/arch/arm64/boot/dts/sprd/whale2.dtsi
+++ b/arch/arm64/boot/dts/sprd/whale2.dtsi
@@ -146,6 +146,12 @@
 				clocks = <&ext_32k>;
 			};
 
+			timer@...50020 {
+				compatible = "sprd,sc9860-suspend-timer";
+				reg = <0 0x40050020 0 0x20>;
+				clocks = <&ext_32k>;
+			};
+
 			hwlock: hwspinlock@...00000 {
 				compatible = "sprd,hwspinlock-r3p0";
 				reg = <0 0x40500000 0 0x1000>;
-- 
1.7.9.5