ARM: dts: imx6sx-sabreauto: add wdog external reset

i.MX6SX Sabre Auto board has GPIO1_IO13 pin can be
MUXed as WDOG output to reset PMIC, add this function
support.

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

diff --git a/arch/arm/boot/dts/imx6sx-sabreauto.dts b/arch/arm/boot/dts/imx6sx-sabreauto.dts
index fff0081764ca5d13b82578ba5acd6f96876fc145..146d5abfdec0022eef2bb84c3b30a766f4c1ee62 100644 (file)
--- a/arch/arm/boot/dts/imx6sx-sabreauto.dts
+++ b/arch/arm/boot/dts/imx6sx-sabreauto.dts
@@ -221,6 +221,12 @@
                        MX6SX_PAD_KEY_COL1__GPIO2_IO_11         0x17059
                >;
        };
+
+       pinctrl_wdog: wdoggrp {
+               fsl,pins = <
+                       MX6SX_PAD_GPIO1_IO13__WDOG1_WDOG_ANY    0x30b0
+               >;
+       };
 };
 
 &i2c2 {
@@ -359,3 +365,9 @@
                #gpio-cells = <2>;
        };
 };
+
+&wdog1 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_wdog>;
+       fsl,ext-reset-output;
+};