Re: [PATCH] arm: dts: imx: e60k02: Add touchscreen

From: Marco Felsch
Date: Wed Oct 26 2022 - 13:43:14 EST


Hi Andreas,

On 22-10-26, Andreas Kemnade wrote:
> Add the touchscreen now, since the driver is available.

I pulled input/next and grep'ed for the compatible but found nothing.
Where should the driver be available?

Regards,
Marco

> Signed-off-by: Andreas Kemnade <andreas@xxxxxxxxxxxx>
> ---
> runtime/dtbs_check depends
> https://lore.kernel.org/linux-devicetree/20221026114908.191472-1-alistair@xxxxxxxxxxxxx/T/#t
> arch/arm/boot/dts/e60k02.dtsi | 12 +++++++++++-
> arch/arm/boot/dts/imx6sl-tolino-shine3.dts | 14 ++++++++++++++
> arch/arm/boot/dts/imx6sll-kobo-clarahd.dts | 14 ++++++++++++++
> 3 files changed, 39 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm/boot/dts/e60k02.dtsi b/arch/arm/boot/dts/e60k02.dtsi
> index 935e2359f8df..4f36cc181a52 100644
> --- a/arch/arm/boot/dts/e60k02.dtsi
> +++ b/arch/arm/boot/dts/e60k02.dtsi
> @@ -104,7 +104,17 @@ &i2c2 {
> clock-frequency = <100000>;
> status = "okay";
>
> - /* TODO: CYTTSP5 touch controller at 0x24 */
> + touchscreen@24 {
> + compatible = "cypress,tt21000";
> + reg = <0x24>;
> + pinctrl-names = "default","sleep";

Does the driver handle the different states?

> + pinctrl-0 = <&pinctrl_cyttsp5_gpio>;
> + pinctrl-1 = <&pinctrl_cyttsp5_gpio_sleep>;
> + interrupt-parent = <&gpio5>;
> + interrupts = <6 IRQ_TYPE_EDGE_FALLING>;
> + reset-gpios = <&gpio5 13 GPIO_ACTIVE_LOW>;
> + vdd-supply = <&ldo5_reg>;
> + };
>
> /* TODO: TPS65185 PMIC for E Ink at 0x68 */
>
> diff --git a/arch/arm/boot/dts/imx6sl-tolino-shine3.dts b/arch/arm/boot/dts/imx6sl-tolino-shine3.dts
> index e3f1e8d79528..82d9ed91df92 100644
> --- a/arch/arm/boot/dts/imx6sl-tolino-shine3.dts
> +++ b/arch/arm/boot/dts/imx6sl-tolino-shine3.dts
> @@ -52,6 +52,20 @@ &iomuxc {
> pinctrl-names = "default";
> pinctrl-0 = <&pinctrl_hog>;
>
> + pinctrl_cyttsp5_gpio: cyttsp5_gpio_grp {

According the below code it should be:
pinctrl_cyttsp5_gpio: cyttsp5-gpiogrp {

and..

> + fsl,pins = <
> + MX6SL_PAD_SD1_DAT3__GPIO5_IO06 0x17059 /* TP_INT */
> + MX6SL_PAD_SD1_DAT2__GPIO5_IO13 0x10059 /* TP_RST */
> + >;
> + };
> +
> + pinctrl_cyttsp5_gpio_sleep: cyttsp5_gpio_grp_sleep {


pinctrl_cyttsp5_gpio_sleep: cyttsp5-gpio-sleepgrp {


Regards,
Marco

> + fsl,pins = <
> + MX6SL_PAD_SD1_DAT3__GPIO5_IO06 0x10059 /* TP_INT */
> + MX6SL_PAD_SD1_DAT2__GPIO5_IO13 0x10059 /* TP_RST */
> + >;
> + };
> +
> pinctrl_gpio_keys: gpio-keysgrp {
> fsl,pins = <
> MX6SL_PAD_SD1_DAT1__GPIO5_IO08 0x17059 /* PWR_SW */
> diff --git a/arch/arm/boot/dts/imx6sll-kobo-clarahd.dts b/arch/arm/boot/dts/imx6sll-kobo-clarahd.dts
> index 90b32f5eb529..d743bf4fd8e6 100644
> --- a/arch/arm/boot/dts/imx6sll-kobo-clarahd.dts
> +++ b/arch/arm/boot/dts/imx6sll-kobo-clarahd.dts
> @@ -62,6 +62,20 @@ &iomuxc {
> pinctrl-names = "default";
> pinctrl-0 = <&pinctrl_hog>;
>
> + pinctrl_cyttsp5_gpio: cyttsp5-gpiogrp {
> + fsl,pins = <
> + MX6SLL_PAD_SD1_DATA3__GPIO5_IO06 0x17059 /* TP_INT */
> + MX6SLL_PAD_SD1_DATA2__GPIO5_IO13 0x10059 /* TP_RST */
> + >;
> + };
> +
> + pinctrl_cyttsp5_gpio_sleep: cyttsp5-gpiogrp-sleep {
> + fsl,pins = <
> + MX6SLL_PAD_SD1_DATA3__GPIO5_IO06 0x10059 /* TP_INT */
> + MX6SLL_PAD_SD1_DATA2__GPIO5_IO13 0x10059 /* TP_RST */
> + >;
> + };
> +
> pinctrl_gpio_keys: gpio-keysgrp {
> fsl,pins = <
> MX6SLL_PAD_SD1_DATA1__GPIO5_IO08 0x17059 /* PWR_SW */
> --
> 2.30.2
>
>
>