ARM: dts: imx7d-sdb: Use WDOG_B pin reset

imx7d-sdb has WDOG1_B pin connected to the PMIC.

Pass the 'fsl,ext-reset-output' property so that the watchdog
can trigger a system POR reset via the PMIC.

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm/boot/dts/imx7d-sdb.dts b/arch/arm/boot/dts/imx7d-sdb.dts
index b267f79..d6da506 100644 (file)
--- a/arch/arm/boot/dts/imx7d-sdb.dts
+++ b/arch/arm/boot/dts/imx7d-sdb.dts
@@ -314,6 +314,12 @@
        status = "okay";
 };
 
+&wdog1 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_wdog>;
+       fsl,ext-reset-output;
+};
+
 &iomuxc {
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_hog>;
@@ -512,5 +518,10 @@
                        >;
                };
 
+               pinctrl_wdog: wdoggrp {
+                       fsl,pins = <
+                               MX7D_PAD_GPIO1_IO00__WDOD1_WDOG_B       0x74
+                       >;
+               };
        };
 };