linux-kernel - Re: [PATCH V5 2/2] arm64: dts: sc7280: Add volume up support for sc7280-idp

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Date:   Fri, 17 Sep 2021 09:38:11 +0530
From:   skakit@...eaurora.org
To:     Stephen Boyd <swboyd@...omium.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        David Collins <collinsd@...eaurora.org>, kgunda@...eaurora.org,
        linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH V5 2/2] arm64: dts: sc7280: Add volume up support for
 sc7280-idp

On 2021-09-17 00:32, Stephen Boyd wrote:
> Quoting Satya Priya (2021-09-16 06:21:38)
>> diff --git a/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi 
>> b/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
>> index 371a2a9..cbbb0ee 100644
>> --- a/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
>> @@ -12,6 +12,26 @@
>>  #include "pm8350c.dtsi"
>>  #include "pmk8350.dtsi"
>> 
>> +/ {
>> +       gpio-keys {
>> +               compatible = "gpio-keys";
>> +               label = "gpio-keys";
>> +
>> +               pinctrl-names = "default";
>> +               pinctrl-0 = <&key_vol_up_default>;
>> +
>> +               volume-up {
>> +                       label = "volume_up";
>> +                       gpios = <&pm7325_gpios 6 GPIO_ACTIVE_LOW>;
>> +                       linux,input-type = <1>;
>> +                       linux,code = <KEY_VOLUMEUP>;
> 
> Is there an include for this define? Looks like
> <dt-bindings/input/input.h> should be added as well? Did you try
> compiling?
> 

Yeah, it needs <dt-bindings/input/linux-event-codes.h> to be included. 
This header was included in pmk8350.dtsi which is added in this file.

>> +                       gpio-key,wakeup;
>> +                       debounce-interval = <15>;
>> +                       linux,can-disable;
>> +               };
>> +       };
>> +};
>> +
>>  &apps_rsc {
>>         pm7325-regulators {
>>                 compatible = "qcom,pm7325-rpmh-regulators";
>> @@ -284,6 +304,17 @@
>> 
>>  /* PINCTRL - additions to nodes defined in sc7280.dtsi */
>> 
>> +&pm7325_gpios {
>> +       key_vol_up_default: key-vol-up-default {
>> +               pins = "gpio6";
>> +               function = "normal";
>> +               input-enable;
>> +               bias-pull-up;
>> +               power-source = <0>;
>> +               qcom,drive-strength = <3>;
>> +       };
>> +};
>> +
>>  &qup_uart5_default {
>>         tx {
>>                 pins = "gpio46";
>> --
>> QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a 
>> member
>> of Code Aurora Forum, hosted by The Linux Foundation
>>