On Thu, Feb 18, 2016 at 11:21:06AM +0100, Romain Izard wrote:
> All pinctrl nodes for the Atmel pinctrl controller need to have their
> bias configuration explicitly defined. Otherwise, the pinctrl mapping
> is not valid.
>
> It works for now as the pinctrl driver proceeds even with invalid
> mappings, but this can become an issue, if the pinctrl driver starts
> to require valid mappings. Additionally, the pin is not protected from
> being remapped later by an other driver.
>
> There is an external 1kΩ pull-up to 3.3V, so no bias is required on
> the Ethernet PHY's interrupt line.
>
> Signed-off-by: Romain Izard <romain.izard.pro@xxxxxxxxx>
Acked-by: Ludovic Desroches <ludovic.desroches@xxxxxxxxx>
Thanks
> ---
> arch/arm/boot/dts/at91-sama5d2_xplained.dts | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm/boot/dts/at91-sama5d2_xplained.dts b/arch/arm/boot/dts/at91-sama5d2_xplained.dts
> index e683856c507c..75341eec2dfd 100644
> --- a/arch/arm/boot/dts/at91-sama5d2_xplained.dts
> +++ b/arch/arm/boot/dts/at91-sama5d2_xplained.dts
> @@ -308,6 +308,7 @@
>
> pinctrl_macb0_phy_irq: macb0_phy_irq {
> pinmux = <PIN_PC9__GPIO>;
> + bias-disable;
> };
>
> pinctrl_pdmic_default: pdmic_default {
> --
> 2.5.0
>
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