linux-kernel - Re: [PATCH V3 2/2] arm64: dts: sc7280: Add volume up support for sc7280-idp

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Date:   Mon, 13 Sep 2021 13:01:05 -0700
From:   Stephen Boyd <swboyd@...omium.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        satya priya <skakit@...eaurora.org>
Cc:     David Collins <collinsd@...eaurora.org>, kgunda@...eaurora.org,
        linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH V3 2/2] arm64: dts: sc7280: Add volume up support for sc7280-idp

Quoting satya priya (2021-09-08 23:01:28)
> diff --git a/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi b/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
> index 371a2a9..434c1c6 100644
> --- a/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
> @@ -239,6 +239,26 @@
>         cd-gpios = <&tlmm 91 GPIO_ACTIVE_LOW>;
>  };
>
> +&soc {
> +       gpio_keys {

Should be gpio-keys. Node names shouldn't have underscores. Typically
underscores are replaced with dashes.

> +               compatible = "gpio-keys";
> +               label = "gpio-keys";
> +
> +               pinctrl-names = "default";
> +               pinctrl-0 = <&key_vol_up_default>;
> +
> +               vol_up {

Should be vol-up or volume-up.

> +                       label = "volume_up";
> +                       gpios = <&pm7325_gpios 6 GPIO_ACTIVE_LOW>;
> +                       linux,input-type = <1>;
> +                       linux,code = <KEY_VOLUMEUP>;
> +                       gpio-key,wakeup;
> +                       debounce-interval = <15>;
> +                       linux,can-disable;
> +               };
> +       };
> +};
> +
>  &uart5 {
>         status = "okay";
>  };
> @@ -284,6 +304,17 @@
>
>  /* PINCTRL - additions to nodes defined in sc7280.dtsi */
>
> +&pm7325_gpios {
> +       key_vol_up_default: key_vol_up_default {

Should be key_vol_up_default: key-vol-up-default {

> +               pins = "gpio6";
> +               function = "normal";
> +               input-enable;
> +               bias-pull-up;
> +               power-source = <0>;
> +               qcom,drive-strength = <3>;
> +       };
> +};
> +
>  &qup_uart5_default {
>         tx {
>                 pins = "gpio46";