linux-kernel - Re: [PATCH 2/2] arm64: dts: qcom: ipq9574: Enable WPS buttons

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Date:   Fri, 16 Jun 2023 18:17:19 +0530
From:   Anusha Canchi <quic_anusha@...cinc.com>
To:     Konrad Dybcio <konrad.dybcio@...aro.org>, <agross@...nel.org>,
        <andersson@...nel.org>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
        <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC:     <quic_srichara@...cinc.com>, <quic_gokulsri@...cinc.com>,
        <quic_sjaganat@...cinc.com>, <quic_kathirav@...cinc.com>,
        <quic_arajkuma@...cinc.com>, <quic_poovendh@...cinc.com>
Subject: Re: [PATCH 2/2] arm64: dts: qcom: ipq9574: Enable WPS buttons



On 6/14/2023 4:12 PM, Konrad Dybcio wrote:
>
> On 14.06.2023 10:50, Anusha Rao wrote:
>> Add support for wps buttons on GPIO 37.
>>
>> Signed-off-by: Anusha Rao <quic_anusha@...cinc.com>
>> ---
>>   .../boot/dts/qcom/ipq9574-rdp-common.dtsi     | 23 +++++++++++++++++++
>>   1 file changed, 23 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi b/arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi
>> index 999902bc70bd..fd5326dc1773 100644
>> --- a/arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi
>> @@ -8,6 +8,8 @@
>>   
>>   /dts-v1/;
>>   
>> +#include <dt-bindings/gpio/gpio.h>
>> +#include <dt-bindings/input/input.h>
>>   #include "ipq9574.dtsi"
>>   
>>   / {
>> @@ -18,6 +20,20 @@
>>   	chosen {
>>   		stdout-path = "serial0:115200n8";
>>   	};
>> +
>> +	gpio-keys {
>> +		compatible = "gpio-keys";
>> +		pinctrl-0 = <&gpio_keys_default>;
>> +		pinctrl-names = "default";
>> +
>> +		button-wps {
>> +			label = "wps";
>> +			linux,code = <KEY_WPS_BUTTON>;
>> +			gpios = <&tlmm 37 GPIO_ACTIVE_LOW>;
>> +			linux,input-type = <1>;
> This line is unnecessary, it's set to 'key' by default. With that:
Okay, will address in the next patch.

Thanks,
Anusha
> Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>
>
> Konrad
>> +			debounce-interval = <60>;
>> +		};
>> +	};
>>   };
>>   
>>   &blsp1_spi0 {
>> @@ -114,6 +130,13 @@
>>   		drive-strength = <8>;
>>   		bias-disable;
>>   	};
>> +
>> +	gpio_keys_default: gpio-keys-default-state {
>> +		pins = "gpio37";
>> +		function = "gpio";
>> +		drive-strength = <8>;
>> +		bias-pull-up;
>> +	};
>>   };
>>   
>>   &xo_board_clk {