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Message-ID: <844a3ebf-d7f9-a745-3444-03c1be68e239@linaro.org>
Date:   Tue, 22 Nov 2022 15:57:52 +0100
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     "Lin, Meng-Bo" <linmengbo0689@...tonmail.com>,
        linux-kernel@...r.kernel.org
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Stephan Gerhold <stephan@...hold.net>,
        Nikita Travkin <nikita@...n.ru>, devicetree@...r.kernel.org,
        linux-arm-msm@...r.kernel.org,
        ~postmarketos/upstreaming@...ts.sr.ht
Subject: Re: [RESEND PATCH v5 4/4] dts: arm64: qcom: msm8916-acer-a1-724: Add
 touchscreen



On 22.11.2022 14:32, Lin, Meng-Bo wrote:
> A1-724 uses a Focaltech FT5446 touchscreen that is connected to blsp_i2c5.
> Add it to the device tree.
> 
> Signed-off-by: Lin, Meng-Bo <linmengbo0689@...tonmail.com>
> ---
Your commit message is wrong. It should be arm64: dts:.. and not dts: arm64:...
>  .../boot/dts/qcom/msm8916-acer-a1-724.dts     | 42 +++++++++++++++++++
>  1 file changed, 42 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/msm8916-acer-a1-724.dts b/arch/arm64/boot/dts/qcom/msm8916-acer-a1-724.dts
> index bea0d022dd9a..5b216107f69b 100644
> --- a/arch/arm64/boot/dts/qcom/msm8916-acer-a1-724.dts
> +++ b/arch/arm64/boot/dts/qcom/msm8916-acer-a1-724.dts
> @@ -81,6 +81,30 @@ magnetometer@12 {
>  	};
>  };
>  
> +&blsp_i2c5 {
> +	status = "okay";
> +
> +	touchscreen@38 {
> +		/* Actually ft5446 */
> +		compatible = "edt,edt-ft5406";
> +		reg = <0x38>;
> +
> +		interrupt-parent = <&msmgpio>;
> +		interrupts = <13 IRQ_TYPE_LEVEL_LOW>;
> +
> +		reset-gpios = <&msmgpio 12 GPIO_ACTIVE_LOW>;
> +
> +		vcc-supply = <&pm8916_l16>;
> +		iovcc-supply = <&pm8916_l6>;
> +
> +		touchscreen-size-x = <720>;
> +		touchscreen-size-y = <1280>;
> +
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&touchscreen_default>;
> +	};
> +};
> +
>  &blsp1_uart2 {
>  	status = "okay";
>  };
> @@ -245,6 +269,24 @@ gpio_keys_default: gpio-keys-default-state {
>  		bias-pull-up;
>  	};
>  
> +	touchscreen_default: touchscreen-default-state {
> +		reset-pins {
> +			pins = "gpio12";
> +			function = "gpio";
Redundant new line, here and in the next subnode.

Konrad
> +
> +			drive-strength = <2>;
> +			bias-disable;
> +		};
> +
> +		touchscreen-pins {
> +			pins = "gpio13";
> +			function = "gpio";
> +
> +			drive-strength = <2>;
> +			bias-pull-up;
> +		};
> +	};
> +
>  	usb_id_default: usb-id-default-state {
>  		pins = "gpio110";
>  		function = "gpio";

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