[PATCH v3 1/2] arm64: dts: renesas: r8a77990: Add cpg reset for DU

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From: Takeshi Kihara <takeshi.kihara.df@xxxxxxxxxxx>

Add CPG reset properties to DU node of E3 (r8a77990) SoC.

According to Laurent Pinchart, R-Car Gen3 reset is handled at the group
level so specifying one reset entry per group is sufficient.

Signed-off-by: Takeshi Kihara <takeshi.kihara.df@xxxxxxxxxxx>
Signed-off-by: Yoshihiro Kaneko <ykaneko0929@xxxxxxxxx>
Signed-off-by: Simon Horman <horms+renesas@xxxxxxxxxxxx>
---
v3 [Simon Horman]
- rewrote changelog

v2 [Simon Horman]
- only add one reset entry per group

v1 [Yoshihiro Kaneko]

v0 [Takeshi Kihara]
---
 arch/arm64/boot/dts/renesas/r8a77990.dtsi | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r8a77990.dtsi b/arch/arm64/boot/dts/renesas/r8a77990.dtsi
index b4318661f35e..84d1f58e73e7 100644
--- a/arch/arm64/boot/dts/renesas/r8a77990.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77990.dtsi
@@ -1766,6 +1766,8 @@
 			clocks = <&cpg CPG_MOD 724>,
 				 <&cpg CPG_MOD 723>;
 			clock-names = "du.0", "du.1";
+			resets = <&cpg 724>;
+			reset-names = "du.0";
 			vsps = <&vspd0 0 &vspd1 0>;
 			status = "disabled";
 
-- 
2.11.0




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