linux-kernel - [2/3] arm: dts: ls1021a: fix that FlexTimer cannot wakeup system in deep sleep

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Date:   Mon, 16 Sep 2019 18:25:55 +0800
From:   Biwen Li <biwen.li@....com>
To:     leoyang.li@....com, shawnguo@...nel.org, robh+dt@...nel.org,
        mark.rutland@....com
Cc:     linuxppc-dev@...ts.ozlabs.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, Biwen Li <biwen.li@....com>
Subject: [2/3] arm: dts: ls1021a: fix that FlexTimer cannot wakeup system in deep sleep

The patch fix a bug that FlexTimer cannot
wakeup system in deep sleep.

Signed-off-by: Biwen Li <biwen.li@....com>
---
 arch/arm/boot/dts/ls1021a.dtsi | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/ls1021a.dtsi b/arch/arm/boot/dts/ls1021a.dtsi
index e3973b611c3a..377bb4717584 100644
--- a/arch/arm/boot/dts/ls1021a.dtsi
+++ b/arch/arm/boot/dts/ls1021a.dtsi
@@ -1000,12 +1000,13 @@
 			compatible = "fsl,ls1021a-rcpm", "fsl,qoriq-rcpm-2.1+";
 			reg = <0x0 0x1ee2140 0x0 0x8>;
 			#fsl,rcpm-wakeup-cells = <2>;
+			fsl,rcpm-scfg = <&scfg 0x0 0x51c>; /* SCFG_SPARECR8 */
 		};
 
 		ftm_alarm0: timer0@...0000 {
 			compatible = "fsl,ls1021a-ftm-alarm";
 			reg = <0x0 0x29d0000 0x0 0x10000>;
-			fsl,rcpm-wakeup = <&rcpm 0x0 0x20000000>;
+			fsl,rcpm-wakeup = <&rcpm 0x0 0x30000000>; /* FlexTimer1 and OCRAM1 are not powerdown during LPM20(sleep) */
 			interrupts = <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>;
 			big-endian;
 		};
-- 
2.17.1