linux-kernel - Re: [PATCH v2 4/4] arm64: dts: qcom: sc7280-crd: Add Touchscreen and touchpad support

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Date:   Tue, 30 Nov 2021 12:03:30 -0800
From:   Matthias Kaehlcke <mka@...omium.org>
To:     Rajendra Nayak <quic_rjendra@...cinc.com>
Cc:     agross@...nel.org, bjorn.andersson@...aro.org, robh+dt@...nel.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, dianders@...omium.org,
        kgodara@...eaurora.org, Kshitiz Godara <kgodara1@...eaurora.org>
Subject: Re: [PATCH v2 4/4] arm64: dts: qcom: sc7280-crd: Add Touchscreen and
 touchpad support

On Mon, Nov 29, 2021 at 05:01:37PM +0530, Rajendra Nayak wrote:
> From: Kshitiz Godara <kgodara1@...eaurora.org>
> 
> Add Touchscreen and touchpad hid-over-i2c node for the sc7280 CRD board
> 
> Signed-off-by: Kshitiz Godara <kgodara1@...eaurora.org>
> Signed-off-by: Rajendra Nayak <quic_rjendra@...cinc.com>
> ---
>  arch/arm64/boot/dts/qcom/sc7280-crd.dts | 61 +++++++++++++++++++++++++++++++++
>  1 file changed, 61 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sc7280-crd.dts b/arch/arm64/boot/dts/qcom/sc7280-crd.dts
> index 1e3e2f3..fcfb14d 100644
> --- a/arch/arm64/boot/dts/qcom/sc7280-crd.dts
> +++ b/arch/arm64/boot/dts/qcom/sc7280-crd.dts
> @@ -23,6 +23,47 @@
>  	};
>  };
>  
> +ap_tp_i2c: &i2c0 {
> +	status = "okay";
> +	clock-frequency = <400000>;
> +
> +	trackpad: trackpad@15 {
> +		compatible = "hid-over-i2c";
> +		reg = <0x15>;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&tp_int_odl>;
> +
> +		interrupt-parent = <&tlmm>;
> +		interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
> +
> +		post-power-on-delay-ms = <20>;
> +		hid-descr-addr = <0x0001>;
> +		vdd-supply = <&vreg_l18b_1p8>;
> +
> +		wakeup-source;
> +	};
> +};
> +
> +ap_ts_pen_1v8: &i2c13 {
> +	status = "okay";
> +	clock-frequency = <400000>;
> +
> +	ap_ts: touchscreen@5c {
> +		compatible = "hid-over-i2c";
> +		reg = <0x5C>;

nit: the convention seems to be to use lowercase characters for hex numbers.

Reviewed-by: Matthias Kaehlcke <mka@...omium.org>