Hi Philippe

On Wed, 2019-08-07 at 08:26 +0000, Philippe Schenker wrote:
> This adds the common touchscreen that is used with Toradex's
> Eval Boards.

Is that really Eval Board specific?

> Signed-off-by: Philippe Schenker <philippe.schen...@toradex.com>
> 
> ---
> 
> 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 d3c4809f140e..78e74bfeca1b 100644
> --- a/arch/arm/boot/dts/imx6ull-colibri-eval-v3.dtsi
> +++ b/arch/arm/boot/dts/imx6ull-colibri-eval-v3.dtsi
> @@ -112,6 +112,21 @@
>  &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";
> @@ -188,3 +203,12 @@
>       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
> +             >;
> +     };
> +};

I guess that could also be moved to the module's dtsi for any carrier board to 
potentially profit from.

Cheers

Marcel

Reply via email to