Re: [PATCH v4 19/21] ARM: dts: imx6ull-colibri: Add touchscreen used with Eval Board

[Oleksandr Suvorov]

On Mon, Aug 12, 2019 at 5:23 PM Philippe Schenker
<philippe.schenker@xxxxxxxxxxx> wrote:
>
> This adds the common touchscreen that is used with Toradex's
> Eval Boards.
>
> Signed-off-by: Philippe Schenker <philippe.schenker@xxxxxxxxxxx>

Reviewed-by: Oleksandr Suvorov <oleksandr.suvorov@xxxxxxxxxxx>

>
> ---
>
> Changes in v4: None
> Changes in v3: None
> Changes in v2:
> - Removed f0710a, that is downstream only
> - Changed to generic node name
> - Better comment
>
>  .../arm/boot/dts/imx6ull-colibri-eval-v3.dtsi | 24 +++++++++++++++++++
>  1 file changed, 24 insertions(+)
>
> diff --git a/arch/arm/boot/dts/imx6ull-colibri-eval-v3.dtsi b/arch/arm/boot/dts/imx6ull-colibri-eval-v3.dtsi
> index a78849fd2afa..458a4084e53c 100644
> --- a/arch/arm/boot/dts/imx6ull-colibri-eval-v3.dtsi
> +++ b/arch/arm/boot/dts/imx6ull-colibri-eval-v3.dtsi
> @@ -100,6 +100,21 @@
>  &i2c1 {
>         status = "okay";
>
> +       /*
> +        * Touchscreen is using SODIMM 28/30, also used for PWM<B>, PWM<C>,
> +        * aka pwm2, pwm3. so if you enable touchscreen, disable the pwms
> +        */
> +       touchscreen@4a {
> +               compatible = "atmel,maxtouch";
> +               pinctrl-names = "default";
> +               pinctrl-0 = <&pinctrl_gpiotouch>;
> +               reg = <0x4a>;
> +               interrupt-parent = <&gpio4>;
> +               interrupts = <16 IRQ_TYPE_EDGE_FALLING>;        /* SODIMM 28 */
> +               reset-gpios = <&gpio2 5 GPIO_ACTIVE_HIGH>;      /* SODIMM 30 */
> +               status = "disabled";
> +       };
> +
>         /* M41T0M6 real time clock on carrier board */
>         m41t0m6: rtc@68 {
>                 compatible = "st,m41t0";
> @@ -176,3 +191,12 @@
>         sd-uhs-sdr104;
>         status = "okay";
>  };
> +
> +&iomuxc {
> +       pinctrl_gpiotouch: touchgpios {
> +               fsl,pins = <
> +                       MX6UL_PAD_NAND_DQS__GPIO4_IO16          0x74
> +                       MX6UL_PAD_ENET1_TX_EN__GPIO2_IO05       0x14
> +               >;
> +       };
> +};
> --
> 2.22.0
>


-- 
Best regards
Oleksandr Suvorov

Toradex AG
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