[PATCH linux dev-4.10 v3 1/4] ARM: aspeed: Request WDTRST1 pinctrl function

[Joel Stanley]

On Tue, Aug 1, 2017 at 5:54 AM, Matt Spinler
<mspinler at linux.vnet.ibm.com> wrote:
>
>
> On 7/27/2017 5:16 AM, Andrew Jeffery wrote:
>
> On Witherspoon, the Aspeed SoC's WDTRST1 pin is wired to the FAULT pin
> on the MAX31785 fan controller, which drives the fans to 100% PWM duty
> when asserted. The pulse generated by the watchdog is latched to ensure
> the fans stay at full speed across the BMC reboot. The latch is reset
> when the BMC transitions through the chassis-poweron systemd target.
>
> The SoC's WDTRST1 pinctrl function needs to be requested for
> aspeed,external-signal to be effective, otherwise the pin is not
> associated with the watchdog controller.
>
> Signed-off-by: Andrew Jeffery <andrew at aj.id.au>
> Cc: Matt Spinler <mspinler at linux.vnet.ibm.com>

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

Applied to dev-4.10.

Thanks for the testing Matt!

Cheers,

Joel