| Message ID | 78318e96c952c5f84644e7035cdefe76f27a9e3c.1517816731.git.baruch@tkos.co.il (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Am Montag, den 05.02.2018, 09:45 +0200 schrieb Baruch Siach: > The external nWDOG signal connects to the EVK board reset circuit. > > Tested on the i.MX8MQ EVK rev B3. > > Signed-off-by: Baruch Siach <baruch@tkos.co.il> > --- > arch/arm64/boot/dts/freescale/imx8mq-evk.dts | 15 +++++++++++++++ > 1 file changed, 15 insertions(+) > > diff --git a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts > b/arch/arm64/boot/dts/freescale/imx8mq-evk.dts > index c0e5ee5d6243..757ba226a2fc 100644 > --- a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts > +++ b/arch/arm64/boot/dts/freescale/imx8mq-evk.dts > @@ -170,6 +170,13 @@ > status = "okay"; > }; > > +&wdog1 { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_wdog>; > + fsl,ext-reset-output; > + status = "okay"; > +}; > + > &iomuxc { > pinctrl_fec1_mdc: fec1mdcgrp { > pinmux = <MX8MQ_IOMUXC_ENET_MDC_ENET1_MDC>; > @@ -402,4 +409,12 @@ > bias-pull-up; > input-schmitt-enable; > }; > + > + pinctrl_wdog: wdoggrp { > + fsl,pins = <MX8MQ_IOMUXC_GPIO1_IO02_WDOG1_WDOG_B>; > + drive-strength = <6>; > + slew-rate = <0>; > + bias-pull-up; > + input-schmitt-enable; This might be a plain copy of the downstream pinctrl, but the watchdog pin being an output, does it really make sense to enable the schmitt- trigger? Regards, Lucas
diff --git a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts b/arch/arm64/boot/dts/freescale/imx8mq-evk.dts index c0e5ee5d6243..757ba226a2fc 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8mq-evk.dts @@ -170,6 +170,13 @@ status = "okay"; }; +&wdog1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_wdog>; + fsl,ext-reset-output; + status = "okay"; +}; + &iomuxc { pinctrl_fec1_mdc: fec1mdcgrp { pinmux = <MX8MQ_IOMUXC_ENET_MDC_ENET1_MDC>; @@ -402,4 +409,12 @@ bias-pull-up; input-schmitt-enable; }; + + pinctrl_wdog: wdoggrp { + fsl,pins = <MX8MQ_IOMUXC_GPIO1_IO02_WDOG1_WDOG_B>; + drive-strength = <6>; + slew-rate = <0>; + bias-pull-up; + input-schmitt-enable; + }; };
The external nWDOG signal connects to the EVK board reset circuit. Tested on the i.MX8MQ EVK rev B3. Signed-off-by: Baruch Siach <baruch@tkos.co.il> --- arch/arm64/boot/dts/freescale/imx8mq-evk.dts | 15 +++++++++++++++ 1 file changed, 15 insertions(+)