arm64: dts: imx8mq-evk: enable watchdog

The external nWDOG signal connects to the EVK board reset circuit.

Tested on the i.MX8MQ EVK rev B3.

Signed-off-by: Baruch Siach <[email protected]>
Signed-off-by: Lucas Stach <[email protected]>
Signed-off-by: Abel Vesa <[email protected]>
Signed-off-by: Shawn Guo <[email protected]>

diff --git a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts b/arch/arm64/boot/dts/freescale/imx8mq-evk.dts
index 04ce13f855c2d305ef6b742accb0e7a7094103c3..64acccc4bfcb4d1c0cf834e42f031b99a4d8316b 100644 (file)
--- a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mq-evk.dts
@@ -160,6 +160,13 @@
        status = "okay";
 };
 
+&wdog1 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_wdog>;
+       fsl,ext-reset-output;
+       status = "okay";
+};
+
 &iomuxc {
        pinctrl_fec1: fec1grp {
                fsl,pins = <
@@ -287,4 +294,10 @@
                        MX8MQ_IOMUXC_GPIO1_IO04_USDHC2_VSELECT          0xc1
                >;
        };
+
+       pinctrl_wdog: wdog1grp {
+               fsl,pins = <
+                       MX8MQ_IOMUXC_GPIO1_IO02_WDOG1_WDOG_B            0xc6
+               >;
+       };
 };