On Wed, 2019-10-23 at 17:33 -0300, Fabio Estevam wrote: > On Wed, Oct 23, 2019 at 3:22 PM Robert Beckett > <bob.beck...@collabora.com> wrote: > > Enable DM imx WDT > > Enable SYSRESET_WATCHDOG to maintain WDT based reset ability > > > > Signed-off-by: Robert Beckett <bob.beck...@collabora.com> > > --- > > arch/arm/dts/imx6q-bx50v3.dts | 4 ++++ > > configs/ge_bx50v3_defconfig | 3 +++ > > 2 files changed, 7 insertions(+) > > > > diff --git a/arch/arm/dts/imx6q-bx50v3.dts b/arch/arm/dts/imx6q- > > bx50v3.dts > > index 28a35394f0..2e2e3bbc24 100644 > > --- a/arch/arm/dts/imx6q-bx50v3.dts > > +++ b/arch/arm/dts/imx6q-bx50v3.dts > > @@ -18,6 +18,10 @@ > > ethernet0 = &fec; > > }; > > > > + wdt-reboot { > > + compatible = "wdt-reboot"; > > + wdt = <&wdog1>; > > + }; > > }; > > Looking at arch/arm/boot/dts/imx6q-bx50v3.dtsi from Linux, which > includes arch/arm/boot/dts/imx6q-bx50v3.dtsi, the wdog definition is > present: > > &wdog1 { > pinctrl-names = "default"; > pinctrl-0 = <&pinctrl_wdog>; > fsl,ext-reset-output; > }; > > So it would be better just use the same bindings in U-Boot without > the > need of deviating the device tree.
wdt-reboot is a node to represent the wdt based sysreset driver. It references the existing wdog1 via a phandle. See drivers/sysreset/sysreset_watchdog.c _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot