linux-kernel - [PATCH 2/2] arm64: dts: fsl-ls1028a.dtsi: add fsl,ls1028-reset for syscon

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Message-Id: <20240703-ls_reset_syscon-v1-2-338f41b3902d@nxp.com>
Date: Wed, 03 Jul 2024 14:08:12 -0400
From: Frank Li <Frank.Li@....com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+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, 
 imx@...ts.linux.dev, Frank Li <Frank.Li@....com>
Subject: [PATCH 2/2] arm64: dts: fsl-ls1028a.dtsi: add fsl,ls1028-reset for
 syscon

Add platform specific compatiable string 'fsl,ls1028-reset' for syscon and
move reboot node under reset syscon node to fix below warning.

syscon@...0000: compatible: 'anyOf' conditional failed, one must be fixed:
        ['syscon'] is too short
        'syscon' is not one of ['al,alpine-sysfabric-service', ...

Signed-off-by: Frank Li <Frank.Li@....com>
---
 arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
index 6b6e3ee950e53..fd93e66c071e1 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
@@ -112,13 +112,6 @@ optee: optee  {
 		};
 	};
 
-	reboot {
-		compatible = "syscon-reboot";
-		regmap = <&rst>;
-		offset = <0>;
-		mask = <0x02>;
-	};
-
 	timer {
 		compatible = "arm,armv8-timer";
 		interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(2) |
@@ -235,10 +228,16 @@ fspi_clk: clock-controller@900 {
 			};
 		};
 
-		rst: syscon@...0000 {
-			compatible = "syscon";
+		syscon@...0000 {
+			compatible = "fsl,ls1028a-reset", "syscon", "simple-mfd";
 			reg = <0x0 0x1e60000 0x0 0x10000>;
 			little-endian;
+
+			reboot {
+				compatible = "syscon-reboot";
+				offset = <0>;
+				mask = <0x02>;
+			};
 		};
 
 		sfp: efuse@...0000 {

-- 
2.34.1