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

From: Matthias Kaehlcke
Date: Tue Nov 30 2021 - 15:03:37 EST


On Mon, Nov 29, 2021 at 05:01:37PM +0530, Rajendra Nayak wrote:
> From: Kshitiz Godara <kgodara1@xxxxxxxxxxxxxx>
>
> Add Touchscreen and touchpad hid-over-i2c node for the sc7280 CRD board
>
> Signed-off-by: Kshitiz Godara <kgodara1@xxxxxxxxxxxxxx>
> Signed-off-by: Rajendra Nayak <quic_rjendra@xxxxxxxxxxx>
> ---
> 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@xxxxxxxxxxxx>