ARM: dts: imx6ul-pico-hobbit: Use WDOG_B pin reset

imx6ul-pico 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 PMIC.

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

1 files changed, 12 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/imx6ul-pico-hobbit.dts b/arch/arm/boot/dts/imx6ul-pico-hobbit.dts
index 7b18dc4727a9..827d9e8fc74e 100644
--- a/arch/arm/boot/dts/imx6ul-pico-hobbit.dts
+++ b/arch/arm/boot/dts/imx6ul-pico-hobbit.dts
@@ -344,6 +344,12 @@
         status = "okay";
 };
 
+&wdog1 {
+        pinctrl-names = "default";
+        pinctrl-0 = <&pinctrl_wdog>;
+        fsl,ext-reset-output;
+};
+
 &iomuxc {
         pinctrl_brcm_reg: brcmreggrp {
                 fsl,pins = <
@@ -534,4 +540,10 @@
                         MX6UL_PAD_NAND_DATA03__USDHC2_DATA3     0x17059
                 >;
         };
+
+        pinctrl_wdog: wdoggrp {
+                fsl,pins = <
+                        MX6UL_PAD_LCD_RESET__WDOG1_WDOG_ANY    0x30b0
+                >;
+        };
 };