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

Oleksandr Suvorov
2019-08-15T11:02:10Z

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

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

>
> ---
>
> 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, 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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