linux-kernel - [v4 PATCH 2/2] arch: arm64: dts: add big-endian property back into watchdog node

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Message-Id: <20250604034246.3234837-3-Meng.Li@windriver.com>
Date: Wed,  4 Jun 2025 11:42:46 +0800
From: Meng Li <Meng.Li@...driver.com>
To: linux@...ck-us.net, s.hauer@...gutronix.de, kernel@...gutronix.de,
        linux-watchdog@...r.kernel.org, imx@...ts.linux.dev,
        shawnguo@...nel.org, robh@...nel.org, conor+dt@...nel.org,
        Frank.Li@....com
Cc: linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, meng.li@...driver.com
Subject: [v4 PATCH 2/2] arch: arm64: dts: add big-endian property back into watchdog node

Watchdog doesn't work on NXP ls1046ardb board because in commit
7c8ffc5555cb("arm64: dts: layerscape: remove big-endian for mmc nodes"),
it intended to remove the big-endian from mmc node, but the big-endian of
watchdog node is also removed by accident. So, add watchdog big-endian
property back.

In addition, add compatible string fsl,ls1046a-wdt, which allow big-endian
property.

Fixes: 7c8ffc5555cb ("arm64: dts: layerscape: remove big-endian for mmc nodes")
Cc: stable@...r.kernel.org
Signed-off-by: Meng Li <Meng.Li@...driver.com>
---
 arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi
index 0baf256b4400..983b2f0e8797 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi
@@ -687,11 +687,12 @@ lpuart5: serial@...0000 {
 		};
 
 		wdog0: watchdog@...0000 {
-			compatible = "fsl,imx21-wdt";
+			compatible = "fsl,ls1046a-wdt", "fsl,imx21-wdt";
 			reg = <0x0 0x2ad0000 0x0 0x10000>;
 			interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&clockgen QORIQ_CLK_PLATFORM_PLL
 					    QORIQ_CLK_PLL_DIV(2)>;
+			big-endian;
 		};
 
 		edma0: dma-controller@...0000 {
-- 
2.34.1