linux-kernel - Re: [PATCH v2 4/5] arm64: dts: qcom: sc7180: Add pazquel360 touschreen

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Date:   Fri, 9 Dec 2022 09:09:19 -0800
From:   Doug Anderson <dianders@...omium.org>
To:     Bjorn Andersson <andersson@...nel.org>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:     linux-arm-msm@...r.kernel.org, mka@...omium.org,
        Yunlong Jia <ecs.beijing2022@...il.com>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        linux-input@...r.kernel.org, swboyd@...omium.org,
        Andy Gross <agross@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 4/5] arm64: dts: qcom: sc7180: Add pazquel360 touschreen

Hi,

On Thu, Dec 8, 2022 at 6:06 PM Douglas Anderson <dianders@...omium.org> wrote:
>
> The touchscreen was supposed to have been added when pazquel360 first
> was added upstream but was missed. Add it now.
>
> Signed-off-by: Douglas Anderson <dianders@...omium.org>
> Reviewed-by: Matthias Kaehlcke <mka@...omium.org>
> ---
>
> (no changes since v1)
>
>  .../dts/qcom/sc7180-trogdor-pazquel360.dtsi   | 21 +++++++++++++++++++
>  1 file changed, 21 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor-pazquel360.dtsi b/arch/arm64/boot/dts/qcom/sc7180-trogdor-pazquel360.dtsi
> index 5702325d0c7b..54b89def8402 100644
> --- a/arch/arm64/boot/dts/qcom/sc7180-trogdor-pazquel360.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor-pazquel360.dtsi
> @@ -14,6 +14,27 @@ &alc5682 {
>         realtek,dmic-clk-rate-hz = <2048000>;
>  };
>
> +ap_ts_pen_1v8: &i2c4 {
> +       status = "okay";
> +       clock-frequency = <400000>;
> +
> +       ap_ts: touchscreen@10 {
> +               compatible = "elan,ekth3915", "elan,ekth3500";
> +               reg = <0x10>;
> +               pinctrl-names = "default";
> +               pinctrl-0 = <&ts_int_l>, <&ts_reset_l>;
> +
> +               interrupt-parent = <&tlmm>;
> +               interrupts = <9 IRQ_TYPE_LEVEL_LOW>;
> +
> +               hid-descr-addr = <0x0001>;

I happened to re-read this and did a facepalm here. The
'hid-descr-addr' doesn't belong here at all (it's for a totally
different type of touchscreen), but it was there in our downstream
branch (incorrectly) and I just copied it over. I even had noticed it
before, but forgot it yesterday when posting this series.

Just to get things out of the way, I'll post a v3 now. Sorry for the noise.

-Doug