[PATCH linux dev-4.10 v3 4/4] ARM: dts: aspeed: Witherspoon WDT1 external signal is push-pull

Matt Spinler mspinler at linux.vnet.ibm.com
Tue Aug 1 06:25:01 AEST 2017


Tested-by: Matt Spinler mspinler at linux.vnet.ibm.com


On 7/27/2017 5:16 AM, Andrew Jeffery wrote:
> Fix the drive and polarity of WDTRST1 with respect to the latch design
> which assert the FAULT pin on the MAX31785 across a BMC reset. This
> ensures the fan outputs are ramped to 100% PWM duty.
>
> Signed-off-by: Andrew Jeffery <andrew at aj.id.au>
> Cc: Matt Spinler <mspinler at linux.vnet.ibm.com>
> ---
>   arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts | 2 ++
>   1 file changed, 2 insertions(+)
>
> diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts b/arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts
> index c28222c17d03..6a7ab9648984 100644
> --- a/arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts
> +++ b/arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts
> @@ -488,6 +488,8 @@
>   &wdt1 {
>   	aspeed,reset-type = "none";
>   	aspeed,external-signal;
> +	aspeed,ext-push-pull;
> +	aspeed,ext-active-high;
>
>   	pinctrl-names = "default";
>   	pinctrl-0 = <&pinctrl_wdtrst1_default>;

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