linux-kernel - [PATCH 3/3] arm64: dts: imx8mp-evk: Correct WDOG

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Date:   Fri,  9 Oct 2020 15:47:47 +0800
From:   Anson Huang <Anson.Huang@....com>
To:     robh+dt@...nel.org, shawnguo@...nel.org, s.hauer@...gutronix.de,
        kernel@...gutronix.de, festevam@...il.com, krzk@...nel.org,
        aford173@...il.com, daniel.baluta@....com, shengjiu.wang@....com,
        peter.chen@....com, alifer.wsdm@...il.com, abel.vesa@....com,
        yibin.gong@....com, jun.li@....com, l.stach@...gutronix.de,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Cc:     Linux-imx@....com
Subject: [PATCH 3/3] arm64: dts: imx8mp-evk: Correct WDOG_B pin configuration

Different revision of i.MX8MP EVK boards may have different external
pull up registor design, some are enabled while some are NOT, to make
sure the WDOG_B pin works properly, better to enable internal pull up
resistor. Since enabling internal pull up resistor is NOT harmful and
having benefit of flexibility on different board design, just enable
it for all i.MX8MP boards.

Signed-off-by: Anson Huang <Anson.Huang@....com>
---
 arch/arm64/boot/dts/freescale/imx8mp-evk.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
index ad66f12..908b92b 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
@@ -262,7 +262,7 @@
 
 	pinctrl_wdog: wdoggrp {
 		fsl,pins = <
-			MX8MP_IOMUXC_GPIO1_IO02__WDOG1_WDOG_B	0xc6
+			MX8MP_IOMUXC_GPIO1_IO02__WDOG1_WDOG_B	0x166
 		>;
 	};
 };
-- 
2.7.4