linux-kernel - Re: [PATCH] arm64: dts: qcom: qcm6490-idp: Add configurations for gpio-keys

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Message-ID: <CAA8EJpqo6p+S4JirhGybGsiG0X9Evdb3LEVgorsewEcRT8LMgg@mail.gmail.com>
Date: Tue, 6 Feb 2024 07:57:37 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: quic_huliu@...cinc.com
Cc: Bjorn Andersson <andersson@...nel.org>, Konrad Dybcio <konrad.dybcio@...aro.org>, 
	Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, 
	Conor Dooley <conor+dt@...nel.org>, linux-arm-msm@...r.kernel.org, 
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: qcom: qcm6490-idp: Add configurations for gpio-keys

On Tue, 6 Feb 2024 at 04:21, Hui Liu via B4 Relay
<devnull+quic_huliu.quicinc.com@...nel.org> wrote:
>
> From: Hui Liu <quic_huliu@...cinc.com>
>
> Add configurations for gpio-keys to enable pon_key and pon_resin
> key.

Configuring gpio-keys is a requirement for enabling the pon_key and
pon_resin, so the commit message is incorrect.




>
> Signed-off-by: Hui Liu <quic_huliu@...cinc.com>
> ---
>  arch/arm64/boot/dts/qcom/qcm6490-idp.dts | 43 ++++++++++++++++++++++++++++++++
>  1 file changed, 43 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/qcm6490-idp.dts b/arch/arm64/boot/dts/qcom/qcm6490-idp.dts
> index acf145d1d97c..4199ebf667af 100644
> --- a/arch/arm64/boot/dts/qcom/qcm6490-idp.dts
> +++ b/arch/arm64/boot/dts/qcom/qcm6490-idp.dts
> @@ -9,6 +9,7 @@
>  #define PM7250B_SID 8
>  #define PM7250B_SID1 9
>
> +#include <dt-bindings/input/linux-event-codes.h>
>  #include <dt-bindings/leds/common.h>
>  #include <dt-bindings/regulator/qcom,rpmh-regulator.h>
>  #include "sc7280.dtsi"
> @@ -39,6 +40,24 @@ chosen {
>                 stdout-path = "serial0:115200n8";
>         };
>
> +       gpio-keys {
> +               compatible = "gpio-keys";
> +               label = "gpio-keys";
> +
> +               pinctrl-names = "default";
> +               pinctrl-0 = <&key_vol_up_default>;

pinctrl-names should come after pinctrl-0

LGTM otherwise

> +
> +               key-volume-up {
> +                       label = "volume_up";
> +                       gpios = <&pm7325_gpios 6 GPIO_ACTIVE_LOW>;
> +                       linux,input-type = <1>;
> +                       linux,code = <KEY_VOLUMEUP>;
> +                       wakeup-source;
> +                       debounce-interval = <15>;
> +                       linux,can-disable;
> +               };
> +       };
> +
>         reserved-memory {
>                 xbl_mem: xbl@...00000 {
>                         reg = <0x0 0x80700000 0x0 0x100000>;
> @@ -421,6 +440,17 @@ vreg_bob_3p296: bob {
>         };
>  };
>
> +&pm7325_gpios {
> +       key_vol_up_default: key-vol-up-state {
> +               pins = "gpio6";
> +               function = "normal";
> +               input-enable;
> +               bias-pull-up;
> +               power-source = <0>;
> +               qcom,drive-strength = <3>;
> +       };
> +};
> +
>  &pm8350c_pwm {
>         status = "okay";
>
> @@ -448,6 +478,19 @@ led@3 {
>         };
>  };
>
> +&pmk8350_pon {
> +       status = "okay";
> +};
> +
> +&pon_pwrkey {
> +       status = "okay";
> +};
> +
> +&pon_resin {
> +       linux,code = <KEY_VOLUMEDOWN>;
> +       status = "okay";
> +};
> +
>  &qupv3_id_0 {
>         status = "okay";
>  };
>
> ---
> base-commit: 23e11d0318521e8693459b0e4d23aec614b3b68b
> change-id: 20240206-gpio-keys-138bbd850298
>
> Best regards,
> --
> Hui Liu <quic_huliu@...cinc.com>
>
>


--
With best wishes

Dmitry