linux-kernel - Re: [PATCH v2 4/5] arm64: dts: qcom: sdm845-xiaomi-beryllium-ebbg: introduce support for fts touchscreen

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Date:   Tue, 11 Apr 2023 21:58:57 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Joel Selvaraj <joelselvaraj.oss@...il.com>,
        Caleb Connolly <caleb@...nolly.tech>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Henrik Rydberg <rydberg@...math.org>,
        Arnd Bergmann <arnd@...db.de>,
        Robert Jarzmik <robert.jarzmik@...e.fr>,
        Jeff LaBundy <jeff@...undy.com>,
        Markuss Broks <markuss.broks@...il.com>,
        Jean Delvare <jdelvare@...e.de>,
        Job Noorman <job@...rman.info>,
        Alistair Francis <alistair@...stair23.me>,
        Chris Morgan <macromorgan@...mail.com>,
        Hans de Goede <hdegoede@...hat.com>
Cc:     linux-input@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org
Subject: Re: [PATCH v2 4/5] arm64: dts: qcom: sdm845-xiaomi-beryllium-ebbg:
 introduce support for fts touchscreen



On 10.04.2023 18:01, Joel Selvaraj wrote:
> The Poco F1 EBBG variant uses Focaltech FTS8719 touchscreen. Introduce
> support for it.
> 
> Signed-off-by: Joel Selvaraj <joelselvaraj.oss@...il.com>
> ---
>  .../dts/qcom/sdm845-xiaomi-beryllium-ebbg.dts | 26 +++++++++++++++++++
>  1 file changed, 26 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium-ebbg.dts b/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium-ebbg.dts
> index 76931ebad065..f857ed3e2df4 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium-ebbg.dts
> +++ b/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium-ebbg.dts
> @@ -13,3 +13,29 @@ &display_panel {
>  	compatible = "ebbg,ft8719";
>  	status = "okay";
>  };
> +
> +&i2c14 {
> +	status = "okay";
> +
> +	dmas =  <&gpi_dma1 0 6 QCOM_GPI_I2C>,
> +		<&gpi_dma1 1 6 QCOM_GPI_I2C>;
> +	dma-names = "tx", "rx";
That's totally in sdm845.dtsi already!

> +
> +	touchscreen@38 {
> +		compatible = "focaltech,fts8719";
> +		reg = <0x38>;
> +
> +		interrupt-parent = <&tlmm>;
> +		interrupts = <31 IRQ_TYPE_EDGE_FALLING>;
interrupts-extended

> +		reset-gpios = <&tlmm 32 GPIO_ACTIVE_LOW>;
> +
> +		vddio-supply = <&vreg_l14a_1p8>;
> +
> +		pinctrl-names = "default", "sleep";
> +		pinctrl-0 = <&ts_int_default &ts_reset_default>;
> +		pinctrl-1 = <&ts_int_sleep &ts_reset_sleep>;
property
property-names

Konrad
> +
> +		touchscreen-size-x = <1080>;
> +		touchscreen-size-y = <2246>;
> +	};
> +};