[U-Boot] [PATCH 10/10] board: ge: mx53ppd: use imx wdt

Robert Beckett bob.beckett at collabora.com
Mon Oct 28 17:17:18 UTC 2019


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

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

 arch/arm/dts/imx53-ppd-uboot.dtsi | 12 ++++++++++++
 arch/arm/dts/imx53-ppd.dts        |  1 +
 board/ge/mx53ppd/mx53ppd.c        |  1 -
 configs/mx53ppd_defconfig         |  3 +++
 4 files changed, 16 insertions(+), 1 deletion(-)
 create mode 100644 arch/arm/dts/imx53-ppd-uboot.dtsi

diff --git a/arch/arm/dts/imx53-ppd-uboot.dtsi b/arch/arm/dts/imx53-ppd-uboot.dtsi
new file mode 100644
index 0000000000..88dd7e2939
--- /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 8f3864998c..ae98361f9a 100644
--- 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 b4d08a11ee..ad37995624 100644
--- a/board/ge/mx53ppd/mx53ppd.c
+++ b/board/ge/mx53ppd/mx53ppd.c
@@ -296,7 +296,6 @@ 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 e1992e91ad..8822b74864 100644
--- a/configs/mx53ppd_defconfig
+++ b/configs/mx53ppd_defconfig
@@ -52,5 +52,8 @@ 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
-- 
2.20.1



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