linux-kernel - [PATCH v3 4/5] arm: dts: ls1021a: fix flextimer failed to wake system

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Date:   Tue, 29 Sep 2020 16:22:33 +0800
From:   Ran Wang <ran.wang_1@....com>
To:     Li Yang <leoyang.li@....com>, Rob Herring <robh+dt@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>
Cc:     linuxppc-dev@...ts.ozlabs.org,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Ran Wang <ran.wang_1@....com>
Subject: [PATCH v3 4/5] arm: dts: ls1021a: fix flextimer failed to wake system

The data of property 'fsl,rcpm-wakeup' is not corrcet, which causing
RCPM driver incorrectly program register IPPDEXPCR1, then flextimer is
wrongly clock gated during system suspend, can't send interrupt to
wake.

Signed-off-by: Ran Wang <ran.wang_1@....com>
Acked-by: Li Yang <leoyang.li@....com>
---
Change in v3:
 - None

Change in v2:
 - None

 arch/arm/boot/dts/ls1021a.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/ls1021a.dtsi b/arch/arm/boot/dts/ls1021a.dtsi
index 98b597e..cb95964 100644
--- a/arch/arm/boot/dts/ls1021a.dtsi
+++ b/arch/arm/boot/dts/ls1021a.dtsi
@@ -1014,7 +1014,7 @@
 			compatible = "fsl,ls1021a-ftm-alarm";
 			reg = <0x0 0x29d0000 0x0 0x10000>;
 			reg-names = "ftm";
-			fsl,rcpm-wakeup = <&rcpm 0x20000 0x0>;
+			fsl,rcpm-wakeup = <&rcpm 0x0 0x20000000>;
 			interrupts = <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>;
 			big-endian;
 		};
-- 
2.7.4