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Message-ID: <729600fb-e2e6-5ae8-514b-2847501b1c14@linaro.org>
Date:   Mon, 21 Nov 2022 12:23:52 +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>,
        Linus Walleij <linus.walleij@...aro.org>,
        Stanislav Jakubek <stano.jakubek@...il.com>,
        Shawn Guo <shawnguo@...nel.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: [PATCH 4/5] arm64: dts: qcom: msm8916-gplus-fl8005a: Add
 touchscreen



On 19.11.2022 21:27, Lin, Meng-Bo wrote:
> FL8005A uses a Focaltech FT5402 touchscreen that is connected to
> blsp_i2c5. Add it to the device tree.
> 
> Signed-off-by: Lin, Meng-Bo <linmengbo0689@...tonmail.com>
> ---
>  .../boot/dts/qcom/msm8916-gplus-fl8005a.dts   | 44 +++++++++++++++++++
>  1 file changed, 44 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/msm8916-gplus-fl8005a.dts b/arch/arm64/boot/dts/qcom/msm8916-gplus-fl8005a.dts
> index bed1fe984287..cc81880f7c42 100644
> --- a/arch/arm64/boot/dts/qcom/msm8916-gplus-fl8005a.dts
> +++ b/arch/arm64/boot/dts/qcom/msm8916-gplus-fl8005a.dts
> @@ -65,6 +65,32 @@ usb_id: usb-id {
>  	};
>  };
>  
> +&blsp_i2c5 {
> +	status = "okay";
> +
> +	touchscreen@38 {
> +		/* Actually ft5402 */
> +		compatible = "edt,edt-ft5406";
> +		reg = <0x38>;
> +
> +		interrupt-parent = <&msmgpio>;
> +		interrupts = <13 IRQ_TYPE_EDGE_FALLING>;
> +
> +		reset-gpios = <&msmgpio 12 GPIO_ACTIVE_LOW>;
> +
> +		vcc-supply = <&pm8916_l17>;
> +		iovcc-supply = <&pm8916_l6>;
> +
> +		touchscreen-size-x = <800>;
> +		touchscreen-size-y = <500>;
> +		touchscreen-inverted-x;
> +		touchscreen-swapped-x-y;
> +
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&touchscreen_default>;
> +	};
> +};
> +
>  &blsp1_uart2 {
>  	status = "okay";
>  };
> @@ -229,6 +255,24 @@ gpio_leds_default: gpio-led-default-state {
>  		bias-disable;
>  	};
>  
> +	touchscreen_default: touchscreen-default-state {
> +		touchscreen-pins {
> +			pins = "gpio13";
> +			function = "gpio";
> +
> +			drive-strength = <2>;
> +			bias-pull-up;
> +		};
> +
> +		reset-pins {
> +			pins = "gpio12";
> +			function = "gpio";
> +
> +			drive-strength = <2>;
> +			bias-disable;
> +		};
These subnodes are not sorted in any way, neither alphabetically nor
GPIO-no wise. Please swap them.

With that:

Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>

Konrad
> +	};
> +
>  	usb_id_default: usb-id-default-state {
>  		pins = "gpio110";
>  		function = "gpio";

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