[v3,2/3] arm: dts: ls1021a: fix that FlexTimer cannot wakeup system in deep sleep

[Biwen Li]

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

Signed-off-by: Biwen Li <biwen.li@xxxxxxx>
---
Change in v3:
	- update property name
	  fsl,rcpm-scfg -> fsl,ippdexpcr-alt-addr
	  
Change in v2:
	- None
	 
 arch/arm/boot/dts/ls1021a.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/boot/dts/ls1021a.dtsi b/arch/arm/boot/dts/ls1021a.dtsi
index e3973b611c3a..383b2dcd5720 100644
--- a/arch/arm/boot/dts/ls1021a.dtsi
+++ b/arch/arm/boot/dts/ls1021a.dtsi
@@ -1000,6 +1000,7 @@
 			compatible = "fsl,ls1021a-rcpm", "fsl,qoriq-rcpm-2.1+";
 			reg = <0x0 0x1ee2140 0x0 0x8>;
 			#fsl,rcpm-wakeup-cells = <2>;
+			fsl,ippdexpcr-alt-addr = <&scfg 0x0 0x51c>; /* SCFG_SPARECR8 */
 		};
 
 		ftm_alarm0: timer0@29d0000 {
-- 
2.17.1