linux-kernel - Re: [PATCH RESEND v2] arm64: dts: qcom: qcm6490-idp: enable pwrkey and volume-up/down function

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Date: Fri, 1 Mar 2024 15:02:52 +0800
From: hui liu <quic_huliu@...cinc.com>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
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 RESEND v2] arm64: dts: qcom: qcm6490-idp: enable pwrkey
 and volume-up/down function



On 2/29/2024 9:21 AM, Dmitry Baryshkov wrote:
> On Wed, 28 Feb 2024 at 11:57, Hui Liu via B4 Relay
> <devnull+quic_huliu.quicinc.com@...nel.org> wrote:
>>
>> From: Hui Liu <quic_huliu@...cinc.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")
Sure, I will refer to this description to update it.
> 
> 
> 
>>
>> Signed-off-by: Hui Liu <quic_huliu@...cinc.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@...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>;
> 
> Why is this property required? Anyway, it should use the defined name
> rather than just numeric value.
I will remove power-source defination, because the default value is 0.
And "qcom, driver-strength" will update to "PMIC_GPIO_STRENGTH_LOW", 
it's a special value for pm7325.
> 
>> +       };
>> +};
>> +
>>   &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>
>>
>>
> 
>