[RFC,3/3] ARM: dts: phyboard-mira-dl: rely on PMIC for reboot and watchdog

Message ID 20181007153937.16787-4-contact@stefanchrist.eu
State New
Headers show
Series
  • [RFC,1/3] i2c: imx: implement master_xfer_irqless callback
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Commit Message

Stefan Lengfeld Oct. 7, 2018, 3:39 p.m.
From: Stefan Christ <s.christ@phytec.de>

Rely on PMIC watchdog and reboot support. The i.MX6 internal watchdog
cannot be used, because it does not reset external PMIC voltages on
reset.

Signed-off-by: Stefan Christ <s.christ@phytec.de>
Signed-off-by: Christian Hemp <c.hemp@phytec.de>
---
 arch/arm/boot/dts/imx6dl-phytec-mira-rdk-nand.dts | 8 ++++++++
 1 file changed, 8 insertions(+)

Patch

diff --git a/arch/arm/boot/dts/imx6dl-phytec-mira-rdk-nand.dts b/arch/arm/boot/dts/imx6dl-phytec-mira-rdk-nand.dts
index 9f7f9f98139d..04e2d5a1b998 100644
--- a/arch/arm/boot/dts/imx6dl-phytec-mira-rdk-nand.dts
+++ b/arch/arm/boot/dts/imx6dl-phytec-mira-rdk-nand.dts
@@ -62,3 +62,11 @@ 
 &usdhc1 {
 	status = "okay";
 };
+
+&wdog1 {
+	/*
+	 * Rely on PMIC reboot handler. Internal i.MX6 watchdog, that is also
+	 * used for reboot, does not reset all external PMIC voltages on reset.
+	 */
+	status = "disabled";
+};