linux-kernel - Re: [PATCH 8/8] arm64: dts: qcom: sdm845-akatsuki: Configure maXTouch touchscreen

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Date:   Sat, 1 Oct 2022 10:53:58 +0200
From:   Marijn Suijten <marijn.suijten@...ainline.org>
To:     Konrad Dybcio <konrad.dybcio@...ainline.org>
Cc:     ~postmarketos/upstreaming@...ts.sr.ht, martin.botka@...ainline.org,
        angelogioacchino.delregno@...ainline.org,
        jamipkettunen@...ainline.org, Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 8/8] arm64: dts: qcom: sdm845-akatsuki: Configure
 maXTouch touchscreen

On 2022-09-30 21:10:49, Konrad Dybcio wrote:
> From: Marijn Suijten <marijn.suijten@...ainline.org>
> 
> Configure the maXTouch touchscreen found on Xperia XZ3 devices.
> 
> Signed-off-by: Marijn Suijten <marijn.suijten@...ainline.org>
> Signed-off-by: Konrad Dybcio <konrad.dybcio@...ainline.org>
> [Konrad: clean up unused props, use generic node name]

We should make a note though to check if our touch controller supports
any of the possible values for atmel,wakeup-method, which is why this
patch wasn't sent yet.

- Marijn

> ---
>  .../qcom/sdm845-sony-xperia-tama-akatsuki.dts | 23 +++++++++++++++++++
>  1 file changed, 23 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sdm845-sony-xperia-tama-akatsuki.dts b/arch/arm64/boot/dts/qcom/sdm845-sony-xperia-tama-akatsuki.dts
> index 5c5949a51184..1668ae99dd47 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845-sony-xperia-tama-akatsuki.dts
> +++ b/arch/arm64/boot/dts/qcom/sdm845-sony-xperia-tama-akatsuki.dts
> @@ -25,6 +25,29 @@ ts_vddio_supply: ts-vddio-regulator {
>  		gpio = <&tlmm 133 GPIO_ACTIVE_HIGH>;
>  		enable-active-high;
>  		regulator-boot-on;
> +
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&ts_vddio_en>;
> +	};
> +};
> +
> +&i2c5 {
> +	status = "okay";
> +
> +	touchscreen: touchscreen@4a {
> +		compatible = "atmel,maxtouch";
> +		reg = <0x4a>;
> +
> +		interrupt-parent = <&tlmm>;
> +		interrupts = <125 IRQ_TYPE_LEVEL_LOW>;
> +
> +		reset-gpios = <&tlmm 99 GPIO_ACTIVE_LOW>;
> +		vdda-supply = <&vreg_l28a_2p8>;
> +		vdd-supply = <&ts_vddio_supply>;
> +
> +		pinctrl-names = "default", "sleep";
> +		pinctrl-0 = <&ts_default>;
> +		pinctrl-1 = <&ts_sleep>;
>  	};
>  };
>  
> -- 
> 2.37.3
>