From d50765205d8e59e4116a9dc512305cef15e70ad2 Mon Sep 17 00:00:00 2001
From: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Date: Fri, 18 Sep 2020 13:29:36 +0200
Subject: [PATCH] ARM: dts: imx7-mba7: configure watchdog

The external watchdog reset is necessary, as the internal reset is
unreliable on i.MX7.

Signed-off-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
---
 arch/arm/boot/dts/imx7-mba7.dtsi | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/arm/boot/dts/imx7-mba7.dtsi b/arch/arm/boot/dts/imx7-mba7.dtsi
index 9be225bb135a..84b5809f384c 100644
--- a/arch/arm/boot/dts/imx7-mba7.dtsi
+++ b/arch/arm/boot/dts/imx7-mba7.dtsi
@@ -467,6 +467,12 @@
 			MX7D_PAD_LPSR_GPIO1_IO05__GPIO1_IO5	0x59
 		>;
 	};
+
+	pinctrl_wdog1: wdog1grp {
+		fsl,pins = <
+			MX7D_PAD_LPSR_GPIO1_IO00__WDOG1_WDOG_B	0x30
+		>;
+	};
 };
 
 &pwm1 {
@@ -543,3 +549,9 @@
 	no-1-8-v;
 	status = "okay";
 };
+
+&wdog1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_wdog1>;
+	fsl,ext-reset-output;
+};