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Message-ID: <CAGgjyvF+53CdYUB4QNJWfDqUigDyTi9G06i9wXW_3tmWM8ra=A@mail.gmail.com>
Date: Thu, 15 Aug 2019 11:04:33 +0000
From: Oleksandr Suvorov <oleksandr.suvorov@...adex.com>
To: Philippe Schenker <philippe.schenker@...adex.com>
CC: Marcel Ziswiler <marcel.ziswiler@...adex.com>,
Max Krummenacher <max.krummenacher@...adex.com>,
"stefan@...er.ch" <stefan@...er.ch>,
"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
Rob Herring <robh+dt@...nel.org>,
Shawn Guo <shawnguo@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Michal Vokáč <michal.vokac@...ft.com>,
Fabio Estevam <festevam@...il.com>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
NXP Linux Team <linux-imx@....com>,
Sascha Hauer <s.hauer@...gutronix.de>
Subject: Re: [PATCH v4 12/21] ARM: dts: imx6-apalis: Add touchscreens used on
Toradex eval boards
On Mon, Aug 12, 2019 at 5:23 PM Philippe Schenker
<philippe.schenker@...adex.com> wrote:
>
> This commit adds the touchscreens from Toradex so one can enable it.
>
> Signed-off-by: Philippe Schenker <philippe.schenker@...adex.com>
> Acked-by: Marcel Ziswiler <marcel.ziswiler@...adex.com>
Reviewed-by: Oleksandr Suvorov <oleksandr.suvorov@...adex.com>
>
> ---
>
> Changes in v4:
> - Add Marcel Ziswiler's Ack
>
> Changes in v3:
> - Fix commit title to "...imx6-apalis:..."
>
> Changes in v2:
> - Deleted touchrevolution downstream stuff
> - Use generic node name
> - Put a better comment in there
>
> arch/arm/boot/dts/imx6dl-colibri-eval-v3.dts | 31 +++++++++++++++++++
> arch/arm/boot/dts/imx6q-apalis-eval.dts | 13 ++++++++
> arch/arm/boot/dts/imx6q-apalis-ixora-v1.1.dts | 13 ++++++++
> arch/arm/boot/dts/imx6q-apalis-ixora.dts | 13 ++++++++
> 4 files changed, 70 insertions(+)
>
> diff --git a/arch/arm/boot/dts/imx6dl-colibri-eval-v3.dts b/arch/arm/boot/dts/imx6dl-colibri-eval-v3.dts
> index 9a5d6c94cca4..763fb5e90bd3 100644
> --- a/arch/arm/boot/dts/imx6dl-colibri-eval-v3.dts
> +++ b/arch/arm/boot/dts/imx6dl-colibri-eval-v3.dts
> @@ -168,6 +168,21 @@
> &i2c3 {
> 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_pcap_1>;
> + reg = <0x4a>;
> + interrupt-parent = <&gpio1>;
> + interrupts = <9 IRQ_TYPE_EDGE_FALLING>; /* SODIMM 28 */
> + reset-gpios = <&gpio2 10 GPIO_ACTIVE_HIGH>; /* SODIMM 30 */
> + status = "disabled";
> + };
> +
> /* M41T0M6 real time clock on carrier board */
> rtc_i2c: rtc@68 {
> compatible = "st,m41t0";
> @@ -175,6 +190,22 @@
> };
> };
>
> +&iomuxc {
> + pinctrl_pcap_1: pcap-1 {
> + fsl,pins = <
> + MX6QDL_PAD_GPIO_9__GPIO1_IO09 0x1b0b0 /* SODIMM 28 */
> + MX6QDL_PAD_SD4_DAT2__GPIO2_IO10 0x1b0b0 /* SODIMM 30 */
> + >;
> + };
> +
> + pinctrl_mxt_ts: mxt-ts {
> + fsl,pins = <
> + MX6QDL_PAD_EIM_CS1__GPIO2_IO24 0x130b0 /* SODIMM 107 */
> + MX6QDL_PAD_SD2_DAT1__GPIO1_IO14 0x130b0 /* SODIMM 106 */
> + >;
> + };
> +};
> +
> &ipu1_di0_disp0 {
> remote-endpoint = <&lcd_display_in>;
> };
> diff --git a/arch/arm/boot/dts/imx6q-apalis-eval.dts b/arch/arm/boot/dts/imx6q-apalis-eval.dts
> index 0edd3043d9c1..4665e15b196d 100644
> --- a/arch/arm/boot/dts/imx6q-apalis-eval.dts
> +++ b/arch/arm/boot/dts/imx6q-apalis-eval.dts
> @@ -167,6 +167,19 @@
> &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";
> + reg = <0x4a>;
> + interrupt-parent = <&gpio6>;
> + interrupts = <10 IRQ_TYPE_EDGE_FALLING>;
> + reset-gpios = <&gpio6 9 GPIO_ACTIVE_HIGH>; /* SODIMM 13 */
> + status = "disabled";
> + };
> +
> pcie-switch@58 {
> compatible = "plx,pex8605";
> reg = <0x58>;
> diff --git a/arch/arm/boot/dts/imx6q-apalis-ixora-v1.1.dts b/arch/arm/boot/dts/imx6q-apalis-ixora-v1.1.dts
> index b94bb687be6b..a3fa04a97d81 100644
> --- a/arch/arm/boot/dts/imx6q-apalis-ixora-v1.1.dts
> +++ b/arch/arm/boot/dts/imx6q-apalis-ixora-v1.1.dts
> @@ -172,6 +172,19 @@
> &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";
> + reg = <0x4a>;
> + interrupt-parent = <&gpio6>;
> + interrupts = <10 IRQ_TYPE_EDGE_FALLING>;
> + reset-gpios = <&gpio6 9 GPIO_ACTIVE_HIGH>; /* SODIMM 13 */
> + status = "disabled";
> + };
> +
> /* M41T0M6 real time clock on carrier board */
> rtc_i2c: rtc@68 {
> compatible = "st,m41t0";
> diff --git a/arch/arm/boot/dts/imx6q-apalis-ixora.dts b/arch/arm/boot/dts/imx6q-apalis-ixora.dts
> index 302fd6adc8a7..5ba49d0f4880 100644
> --- a/arch/arm/boot/dts/imx6q-apalis-ixora.dts
> +++ b/arch/arm/boot/dts/imx6q-apalis-ixora.dts
> @@ -171,6 +171,19 @@
> &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";
> + reg = <0x4a>;
> + interrupt-parent = <&gpio6>;
> + interrupts = <10 IRQ_TYPE_EDGE_FALLING>;
> + reset-gpios = <&gpio6 9 GPIO_ACTIVE_HIGH>; /* SODIMM 13 */
> + status = "disabled";
> + };
> +
> eeprom@50 {
> compatible = "atmel,24c02";
> reg = <0x50>;
> --
> 2.22.0
>
--
Best regards
Oleksandr Suvorov
Toradex AG
Altsagenstrasse 5 | 6048 Horw/Luzern | Switzerland | T: +41 41 500
4800 (main line)
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