board: ge: mx53ppd: use imx wdt

Enable DM imx WDT
Enable SYSRESET_WATCHDOG to maintain WDT based reset ability

Signed-off-by: Robert Beckett <bob.beckett@collabora.com>

diff --git a/arch/arm/dts/imx53-ppd-uboot.dtsi b/arch/arm/dts/imx53-ppd-uboot.dtsi
new file mode 100644 (file)
index 0000000..88dd7e2
--- /dev/null
+++ b/arch/arm/dts/imx53-ppd-uboot.dtsi
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0+ OR X11
+/*
+ * Copyright 2019 Collabora Ltd
+ * Copyright 2019 General Electric Company
+ */
+
+/ {
+       wdt-reboot {
+               compatible = "wdt-reboot";
+               wdt = <&wdog1>;
+       };
+};

diff --git a/arch/arm/dts/imx53-ppd.dts b/arch/arm/dts/imx53-ppd.dts
index 8f38649..ae98361 100644 (file)
--- a/arch/arm/dts/imx53-ppd.dts
+++ b/arch/arm/dts/imx53-ppd.dts
@@ -43,6 +43,7 @@
 /dts-v1/;
 
 #include "imx53.dtsi"
+#include "imx53-ppd-uboot.dtsi"
 #include <dt-bindings/input/input.h>
 
 / {

diff --git a/board/ge/mx53ppd/mx53ppd.c b/board/ge/mx53ppd/mx53ppd.c
index bfcee44..105edd2 100644 (file)
--- a/board/ge/mx53ppd/mx53ppd.c
+++ b/board/ge/mx53ppd/mx53ppd.c
@@ -297,7 +297,6 @@ int board_late_init(void)
                return res;
 
        print_cpuinfo();
-       hw_watchdog_init();
 
        check_time();
 

diff --git a/configs/mx53ppd_defconfig b/configs/mx53ppd_defconfig
index 47481ea..7c44ea9 100644 (file)
--- a/configs/mx53ppd_defconfig
+++ b/configs/mx53ppd_defconfig
@@ -56,5 +56,8 @@ CONFIG_VIDEO=y
 # CONFIG_VIDEO_SW_CURSOR is not set
 CONFIG_WATCHDOG_TIMEOUT_MSECS=8000
 CONFIG_IMX_WATCHDOG=y
+CONFIG_WDT=y
+CONFIG_SYSRESET=y
+CONFIG_SYSRESET_WATCHDOG=y
 CONFIG_DM_REGULATOR=y
 CONFIG_DM_USB=y