linux-kernel - Re: [PATCH RESEND] arm64: dts: qcom: qcs6490-rb3gen2: enable PMIC Volume and Power buttons

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Message-ID: <6b3gqfrvljvlfaf365l55kjcbjd4rfmw223tro6rqy5crykxgb@l66dptcrujip>
Date: Tue, 9 Apr 2024 10:17:25 -0500
From: Bjorn Andersson <andersson@...nel.org>
To: Umang Chheda <quic_uchheda@...cinc.com>
Cc: Konrad Dybcio <konrad.dybcio@...aro.org>, 
	Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.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 RESEND] arm64: dts: qcom: qcs6490-rb3gen2: enable PMIC
 Volume and Power buttons

On Wed, Apr 03, 2024 at 06:58:39PM +0530, Umang Chheda wrote:
> The Volume Down & Power buttons are controlled by the PMIC via
> the PON hardware, and the Volume Up is connected to a PMIC gpio.
> 
> Enable the necessary hardware and setup the GPIO state for the
> Volume Up gpio key.
> 
> Signed-off-by: Umang Chheda <quic_uchheda@...cinc.com>
> ---

I suppose this isn't a "resend" either, so please send me a new version
of this as well.

Regards,
Bjorn

>  arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts | 37 ++++++++++++++++++++
>  1 file changed, 37 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
> index 63ebe0774f1d..73f6d18d2331 100644
> --- a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
> +++ b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
> @@ -9,6 +9,8 @@
>  #define PM7250B_SID 8
>  #define PM7250B_SID1 9
>  
> +#include <dt-bindings/input/linux-event-codes.h>
> +#include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
>  #include <dt-bindings/regulator/qcom,rpmh-regulator.h>
>  #include "sc7280.dtsi"
>  #include "pm7250b.dtsi"
> @@ -39,6 +41,22 @@ chosen {
>  		stdout-path = "serial0:115200n8";
>  	};
>  
> +	gpio-keys {
> +		compatible = "gpio-keys";
> +
> +		pinctrl-0 = <&key_vol_up_default>;
> +		pinctrl-names = "default";
> +
> +		key-volume-up {
> +			label = "Volume_up";
> +			gpios = <&pm7325_gpios 6 GPIO_ACTIVE_LOW>;
> +			linux,code = <KEY_VOLUMEUP>;
> +			wakeup-source;
> +			debounce-interval = <15>;
> +			linux,can-disable;
> +		};
> +	};
> +
>  	reserved-memory {
>  		xbl_mem: xbl@...00000 {
>  			reg = <0x0 0x80700000 0x0 0x100000>;
> @@ -471,6 +489,25 @@ &gcc {
>  			   <GCC_WPSS_RSCP_CLK>;
>  };
>  
> +&pm7325_gpios {
> +	key_vol_up_default: key-vol-up-state {
> +		pins = "gpio6";
> +		function = "normal";
> +		input-enable;
> +		bias-pull-up;
> +		qcom,drive-strength = <PMIC_GPIO_STRENGTH_LOW>;
> +	};
> +};
> +
> +&pon_pwrkey {
> +	status = "okay";
> +};
> +
> +&pon_resin {
> +	linux,code = <KEY_VOLUMEDOWN>;
> +	status = "okay";
> +};
> +
>  &qupv3_id_0 {
>  	status = "okay";
>  };
> -- 
> 2.25.1
>