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.schenker@xxxxxxxxxxx>
>
> ---
>
> 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
