Re: [PATCH RFC v2 5/5] ARM: dts: qcom: msm8974-hammerhead: add support for external display

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Quoting Brian Masney (2019-10-06 18:45:09)
> diff --git a/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts b/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts
> index b607c9ff9e12..380a805cd1f0 100644
> --- a/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts
> +++ b/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts
> @@ -371,6 +401,40 @@
>                                 function = "gpio";
>                         };
>                 };
> +
> +               hdmi_pin: hdmi {
> +                       cec {
> +                               pins = "gpio31";
> +                               function = "hdmi_cec";
> +                       };
> +
> +                       ddc {
> +                               pins = "gpio32", "gpio33";
> +                               function = "hdmi_ddc";
> +                       };
> +
> +                       hpd {
> +                               pins = "gpio34";
> +                               function = "hdmi_hpd";
> +                       };
> +               };
> +
> +               anx_msm_pin: anx {
> +                       irq {
> +                               pins = "gpio28";
> +                               function = "gpio";

Is function = "gpio" necessary anymore? I thought we would turn gpios
into gpio function when it's requested as a gpio by some consumer.

> +                               drive-strength = <8>;
> +                               bias-pull-up;
> +                               input-enable;
> +                       };
> +
> +                       reset {
> +                               pins = "gpio68";
> +                               function = "gpio";
> +                               drive-strength = <8>;
> +                               bias-pull-up;
> +                       };
> +               };
>         };
>  
>         vibrator@fd8c3450 {
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