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Message-ID: <669d2745-c7fc-dff5-a6e6-c2c55b4428ee@linaro.org>
Date:   Tue, 6 Jun 2023 14:57:18 +0200
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Subject: Re: [PATCH V2 1/2] arm64: dts: qcom: ipq5332: enable GPIO based LEDs
 and Buttons
Content-Language: en-US
To:     Sridharan S N <quic_sridsn@quicinc.com>, agross@kernel.org,
        andersson@kernel.org, robh+dt@kernel.org,
        krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org,
        linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org
References: <20230605052907.18837-1-quic_sridsn@quicinc.com>
 <20230605052907.18837-2-quic_sridsn@quicinc.com>
From:   Konrad Dybcio <konrad.dybcio@linaro.org>
In-Reply-To: <20230605052907.18837-2-quic_sridsn@quicinc.com>
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Precedence: bulk


On 5.06.2023 07:29, Sridharan S N wrote:
> Add support for wlan-2g LED on GPIO 36 and wps buttons on GPIO 35.
> 
> Signed-off-by: Sridharan S N <quic_sridsn@quicinc.com>
> ---
> Changes in V2:
> 	- Used the hypen in node name instead of underscore
> 	- Dropped the status property
>  
>  arch/arm64/boot/dts/qcom/ipq5332-mi01.2.dts | 42 +++++++++++++++++++++
>  arch/arm64/boot/dts/qcom/ipq5332-rdp442.dts | 42 +++++++++++++++++++++
>  arch/arm64/boot/dts/qcom/ipq5332-rdp468.dts | 42 +++++++++++++++++++++
>  3 files changed, 126 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/ipq5332-mi01.2.dts b/arch/arm64/boot/dts/qcom/ipq5332-mi01.2.dts
> index 3af1d5556950..5bd4ff3ad86b 100644
> --- a/arch/arm64/boot/dts/qcom/ipq5332-mi01.2.dts
> +++ b/arch/arm64/boot/dts/qcom/ipq5332-mi01.2.dts
> @@ -7,6 +7,8 @@
>  
>  /dts-v1/;
>  
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/input.h>
>  #include "ipq5332.dtsi"
>  
>  / {
> @@ -20,6 +22,32 @@
>  	chosen {
>  		stdout-path = "serial0";
>  	};
> +
> +	gpio-keys {
> +		compatible = "gpio-keys";
> +		pinctrl-0 = <&gpio_keys_default>;
> +		pinctrl-names = "default";
> +
> +		button-wps {
> +			label = "wps";
> +			linux,code = <KEY_WPS_BUTTON>;
> +			gpios = <&tlmm 35 GPIO_ACTIVE_LOW>;
> +			linux,input-type = <1>;
> +			debounce-interval = <60>;
> +		};
> +	};
All of these changes seem very repetetive.. Are these devboards based
on a common design? Maybe ipq5332-rdp-common.dtsi would be beneficial
here?

Konrad
> +
> +	leds {
> +		compatible = "gpio-leds";
> +		pinctrl-0 = <&gpio_leds_default>;
> +		pinctrl-names = "default";
> +
> +		led-0 {
> +			gpios = <&tlmm 36 GPIO_ACTIVE_HIGH>;
> +			linux,default-trigger = "phy0tx";
> +			default-state = "off";
> +		};
> +	};
>  };
>  
>  &blsp1_uart0 {
> @@ -57,6 +85,20 @@
>  /* PINCTRL */
>  
>  &tlmm {
> +	gpio_keys_default: gpio-keys-default-state {
> +		pins = "gpio35";
> +		function = "gpio";
> +		drive-strength = <8>;
> +		bias-pull-up;
> +	};
> +
> +	gpio_leds_default: gpio-leds-default-state {
> +		pins = "gpio36";
> +		function = "gpio";
> +		drive-strength = <8>;
> +		bias-pull-down;
> +	};
> +
>  	i2c_1_pins: i2c-1-state {
>  		pins = "gpio29", "gpio30";
>  		function = "blsp1_i2c0";
> diff --git a/arch/arm64/boot/dts/qcom/ipq5332-rdp442.dts b/arch/arm64/boot/dts/qcom/ipq5332-rdp442.dts
> index bcf3b31c20e3..36cbebb75c48 100644
> --- a/arch/arm64/boot/dts/qcom/ipq5332-rdp442.dts
> +++ b/arch/arm64/boot/dts/qcom/ipq5332-rdp442.dts
> @@ -7,6 +7,8 @@
>  
>  /dts-v1/;
>  
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/input.h>
>  #include "ipq5332.dtsi"
>  
>  / {
> @@ -20,6 +22,32 @@
>  	chosen {
>  		stdout-path = "serial0";
>  	};
> +
> +	gpio-keys {
> +		compatible = "gpio-keys";
> +		pinctrl-0 = <&gpio_keys_default>;
> +		pinctrl-names = "default";
> +
> +		button-wps {
> +			label = "wps";
> +			linux,code = <KEY_WPS_BUTTON>;
> +			gpios = <&tlmm 35 GPIO_ACTIVE_LOW>;
> +			linux,input-type = <1>;
> +			debounce-interval = <60>;
> +		};
> +	};
> +
> +	leds {
> +		compatible = "gpio-leds";
> +		pinctrl-0 = <&gpio_leds_default>;
> +		pinctrl-names = "default";
> +
> +		led-0 {
> +			gpios = <&tlmm 36 GPIO_ACTIVE_HIGH>;
> +			linux,default-trigger = "phy0tx";
> +			default-state = "off";
> +		};
> +	};
>  };
>  
>  &blsp1_uart0 {
> @@ -71,6 +99,20 @@
>  /* PINCTRL */
>  
>  &tlmm {
> +	gpio_keys_default: gpio-keys-default-state {
> +		pins = "gpio35";
> +		function = "gpio";
> +		drive-strength = <8>;
> +		bias-pull-up;
> +	};
> +
> +	gpio_leds_default: gpio-leds-default-state {
> +		pins = "gpio36";
> +		function = "gpio";
> +		drive-strength = <8>;
> +		bias-pull-down;
> +	};
> +
>  	i2c_1_pins: i2c-1-state {
>  		pins = "gpio29", "gpio30";
>  		function = "blsp1_i2c0";
> diff --git a/arch/arm64/boot/dts/qcom/ipq5332-rdp468.dts b/arch/arm64/boot/dts/qcom/ipq5332-rdp468.dts
> index 3b6a5cb8bf07..2d27f48f00c0 100644
> --- a/arch/arm64/boot/dts/qcom/ipq5332-rdp468.dts
> +++ b/arch/arm64/boot/dts/qcom/ipq5332-rdp468.dts
> @@ -7,6 +7,8 @@
>  
>  /dts-v1/;
>  
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/input.h>
>  #include "ipq5332.dtsi"
>  
>  / {
> @@ -20,6 +22,32 @@
>  	chosen {
>  		stdout-path = "serial0";
>  	};
> +
> +	gpio-keys {
> +		compatible = "gpio-keys";
> +		pinctrl-0 = <&gpio_keys_default>;
> +		pinctrl-names = "default";
> +
> +		button-wps {
> +			label = "wps";
> +			linux,code = <KEY_WPS_BUTTON>;
> +			gpios = <&tlmm 35 GPIO_ACTIVE_LOW>;
> +			linux,input-type = <1>;
> +			debounce-interval = <60>;
> +		};
> +	};
> +
> +	leds {
> +		compatible = "gpio-leds";
> +		pinctrl-0 = <&gpio_leds_default>;
> +		pinctrl-names = "default";
> +
> +		led-0 {
> +			gpios = <&tlmm 36 GPIO_ACTIVE_HIGH>;
> +			linux,default-trigger = "phy0tx";
> +			default-state = "off";
> +		};
> +	};
>  };
>  
>  &blsp1_uart0 {
> @@ -64,6 +92,20 @@
>  /* PINCTRL */
>  
>  &tlmm {
> +	gpio_keys_default: gpio-keys-default-state {
> +		pins = "gpio35";
> +		function = "gpio";
> +		drive-strength = <8>;
> +		bias-pull-up;
> +	};
> +
> +	gpio_leds_default: gpio-leds-default-state {
> +		pins = "gpio36";
> +		function = "gpio";
> +		drive-strength = <8>;
> +		bias-pull-down;
> +	};
> +
>  	sdc_default_state: sdc-default-state {
>  		clk-pins {
>  			pins = "gpio13";