linux-kernel - Re: [PATCH 1/5] arm64: dts: qcom: r0q: add gpio keys

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Message-ID: <5436E420-E459-4E47-9752-EF80F550FA6F@gmail.com>
Date: Sat, 20 Sep 2025 15:02:42 -0300
From: Eric Gonçalves <ghatto404@...il.com>
To: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
CC: Bjorn Andersson <andersson@...nel.org>,
 Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>,
 devicetree@...r.kernel.org, linux-arm-msm@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/5] arm64: dts: qcom: r0q: add gpio keys



On September 20, 2025 12:45:27 PM GMT-03:00, Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com> wrote:
>On Sat, Sep 20, 2025 at 01:46:33AM +0000, Eric Gonçalves wrote:
>> Add GPIO keys support to Samsung Galaxy S22 (r0q).
>> 
>> Signed-off-by: Eric Gonçalves <ghatto404@...il.com>
>> ---
>>  .../boot/dts/qcom/sm8450-samsung-r0q.dts      | 53 +++++++++++++++----
>>  1 file changed, 44 insertions(+), 9 deletions(-)
>> 
>> diff --git a/arch/arm64/boot/dts/qcom/sm8450-samsung-r0q.dts b/arch/arm64/boot/dts/qcom/sm8450-samsung-r0q.dts
>> index 880d74ae6032..70e953824996 100644
>> --- a/arch/arm64/boot/dts/qcom/sm8450-samsung-r0q.dts
>> +++ b/arch/arm64/boot/dts/qcom/sm8450-samsung-r0q.dts
>> @@ -2,11 +2,12 @@
>>  
>>  /dts-v1/;
>>  
>> +#include <dt-bindings/input/linux-event-codes.h>
>>  #include <dt-bindings/regulator/qcom,rpmh-regulator.h>
>> -
>>  #include "sm8450.dtsi"
>>  #include "pm8350.dtsi"
>>  #include "pm8350c.dtsi"
>> +#include "pmk8350.dtsi"
>>  
>>  / {
>>  	model = "Samsung Galaxy S22 5G";
>> @@ -28,13 +29,19 @@ framebuffer: framebuffer@...00000 {
>>  		};
>>  	};
>>  
>> -	vph_pwr: regulator-vph-pwr {
>> -		compatible = "regulator-fixed";
>> -		regulator-name = "vph_pwr";
>> -		regulator-min-microvolt = <3700000>;
>> -		regulator-max-microvolt = <3700000>;
>> -		regulator-always-on;
>> -		regulator-boot-on;
>
>Please don't mix up refactorings and new features. Split this patch into
>several.
The patch only added gpio-keys node and pon_resin,
pon_pwrkey. Do you mean I have to split each button
into separate patches?
>
>> +	gpio-keys {
>> +		compatible = "gpio-keys";
>> +		autorepeat;
>> +
>> +		pinctrl-0 = <&vol_up_n>;
>> +		pinctrl-names = "default";
>> +
>> +		key-vol-up {
>> +			label = "Volume Up";
>> +			linux,code = <KEY_VOLUMEUP>;
>> +			gpios = <&pm8350_gpios 6 GPIO_ACTIVE_LOW>;
>> +			debounce-interval = <15>;
>> +		};
>>  	};
>>  
>>  	reserved-memory {
>> @@ -47,6 +54,15 @@ splash-region@...00000 {
>>  			no-map;
>>  		};
>>  	};
>> +
>> +	vph_pwr: regulator-vph-pwr {
>> +		compatible = "regulator-fixed";
>> +		regulator-name = "vph_pwr";
>> +		regulator-min-microvolt = <3700000>;
>> +		regulator-max-microvolt = <3700000>;
>> +		regulator-always-on;
>> +		regulator-boot-on;
>> +	};
>>  };
>>  
>>  &apps_rsc {
>> @@ -119,8 +135,27 @@ vreg_l1c_1p8: ldo1 {
>>  	};
>>  };
>>  
>> +&pm8350_gpios {
>> +	vol_up_n: vol-up-n-state {
>> +		pins = "gpio6";
>> +		function = "normal";
>> +		power-source = <1>;
>> +		input-enable;
>> +	};
>> +};
>> +
>> +&pon_pwrkey {
>> +	status = "okay";
>> +};
>> +
>> +&pon_resin {
>> +	linux,code = <KEY_VOLUMEDOWN>;
>> +
>> +	status = "okay";
>> +};
>> +
>>  &tlmm {
>> -	gpio-reserved-ranges = <36 4>; /* SPI (not linked to anything) */
>> +	gpio-reserved-ranges = <36 4>; /* SPI (Unused) */
>>  };
>>  
>>  &usb_1 {
>> -- 
>> 2.51.0
>> 
>
Resend because I forgot to CC the mailing lists