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References: <20240228-gpio-keys-v2-1-3beb60225abe@quicinc.com>
In-Reply-To: <20240228-gpio-keys-v2-1-3beb60225abe@quicinc.com>
From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Date: Thu, 29 Feb 2024 03:21:00 +0200
Message-ID: <CAA8EJppHUYZ46Bz48HzY-D9brBRj+TEw_-6j_VUDyMZPxwf8tQ@mail.gmail.com>
Subject: Re: [PATCH RESEND v2] arm64: dts: qcom: qcm6490-idp: enable pwrkey
 and volume-up/down function
To: quic_huliu@quicinc.com
Cc: Bjorn Andersson <andersson@kernel.org>, Konrad Dybcio <konrad.dybcio@linaro.org>, 
	Rob Herring <robh@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, 
	Conor Dooley <conor+dt@kernel.org>, linux-arm-msm@vger.kernel.org, 
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Content-Type: text/plain; charset="UTF-8"

On Wed, 28 Feb 2024 at 11:57, Hui Liu via B4 Relay
<devnull+quic_huliu.quicinc.com@kernel.org> wrote:
>
> From: Hui Liu <quic_huliu@quicinc.com>
>
> Add configurations to enable pwrkey, volume-up and volume-down function.

Please take a look at how similar patches describe the changes. E.g.
commit bb47bfbd5aa8 ("arm64: dts: qcom: sm8550-qrd: enable PMIC Volume
and Power buttons")


>
> Signed-off-by: Hui Liu <quic_huliu@quicinc.com>
> ---
> Changes in v2:
> - Update the commit description.
> - Link to v1: https://lore.kernel.org/r/20240206-gpio-keys-v1-1-7683799daf8d@quicinc.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>;
> +
> +               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@80700000 {
>                         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>;

Why is this property required? Anyway, it should use the defined name
rather than just numeric value.

> +       };
> +};
> +
>  &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@quicinc.com>
>
>


-- 
With best wishes
Dmitry