ARM: dts: imx6sx-sdb: Use WDOG_B pin reset

imx6sx-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/imx6sx-sdb.dtsi b/arch/arm/boot/dts/imx6sx-sdb.dtsi
index fcbaccf..9d70cfd 100644 (file)
--- a/arch/arm/boot/dts/imx6sx-sdb.dtsi
+++ b/arch/arm/boot/dts/imx6sx-sdb.dtsi
@@ -322,6 +322,12 @@
        status = "okay";
 };
 
+&wdog1 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_wdog>;
+       fsl,ext-reset-output;
+};
+
 &iomuxc {
        imx6x-sdb {
                pinctrl_audmux: audmuxgrp {
@@ -588,5 +594,11 @@
                                MX6SX_PAD_SD4_DATA6__GPIO6_IO_20        0x17059 /* WP */
                        >;
                };
+
+               pinctrl_wdog: wdoggrp {
+                       fsl,pins = <
+                               MX6SX_PAD_GPIO1_IO13__WDOG1_WDOG_ANY 0x30b0
+                       >;
+               };
        };
 };