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ARM: dts: imx6-apalis: Add touchscreens used on Toradex eval boards

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This commit adds the touchscreen from Toradex so one can enable it.
It is disabled by default because the pins are also used for PWM<B>,
PWM<C>, aka pwm2, pwm3 which is the standard use for colibri boards.

Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com>
Acked-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Reviewed-by: Oleksandr Suvorov <oleksandr.suvorov@toradex.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Philippe Schenker 2019-08-27 13:18:28 +00:00 committed by Shawn Guo
parent e01f0fe313
commit 24ffaa23ce
4 changed files with 70 additions and 0 deletions
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31
arch/arm/boot/dts/imx6dl-colibri-eval-v3.dts
View File

@ -168,6 +168,21 @@ &hdmi {
&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 @@ rtc_i2c: rtc@68 {
};
};
&iomuxc {
pinctrl_pcap_1: pcap1grp {
fsl,pins = <
MX6QDL_PAD_GPIO_9__GPIO1_IO09 0x1b0b0 /* SODIMM 28 */
MX6QDL_PAD_SD4_DAT2__GPIO2_IO10 0x1b0b0 /* SODIMM 30 */
>;
};
pinctrl_mxt_ts: mxttsgrp {
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>;
};

13
arch/arm/boot/dts/imx6q-apalis-eval.dts
View File

@ -167,6 +167,19 @@ &hdmi {
&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>;

13
arch/arm/boot/dts/imx6q-apalis-ixora-v1.1.dts
View File

@ -172,6 +172,19 @@ &hdmi {
&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";

13
arch/arm/boot/dts/imx6q-apalis-ixora.dts
View File

@ -171,6 +171,19 @@ &hdmi {
&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>;