[PATCH 08/22] ARM: dts: imx7-colibri: Add touch controllers

Philippe Schenker
2019-07-30T15:11:40Z

From: Philippe Schenker <philippe.schenker@toradex.com>

Add atmel mxt multitouch controller and TouchRevolution multitouch
controller which are connected over an I2C bus.

Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com>
---

arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi | 37 +++++++++++++++++++++
1 file changed, 37 insertions(+)

diff --git a/arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi b/arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi
index d4dbc4fc1adf..f6cbbe876532 100644
--- a/arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi
+++ b/arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi
@@ -145,6 +145,34 @@
&i2c4 {
status = "okay";

+ /*
+ * the PCAPs use SODIMM 28/30, also used for PWM, PWM<C>, aka pwm2,
+ * pwm3. so if you enable one of the PCAP controllers disable the pwms
+ */
+ atmel_mxt_ts: atmel_mxt_ts@4a {
+ compatible = "atmel,maxtouch";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_gpiotouch>;
+ reg = <0x4a>;
+ interrupt-parent = <&gpio1>;
+ interrupts = <9 IRQ_TYPE_EDGE_FALLING>; /* SODIMM 28 */
+ reset-gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>; /* SODIMM 30 */
+ status = "disabled";
+ };
+
+ touch: touchrevf0710a@10 {
+ compatible = "touchrevolution,fusion-f0710a";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_gpiotouch>;
+ reg = <0x10>;
+ /* SODIMM 28, Pen down interrupt */
+ gpios = <&gpio1 9 GPIO_ACTIVE_HIGH
+ /* SODIMM 30, Reset interrupt */
+ &gpio1 10 GPIO_ACTIVE_LOW
+ >;
+ status = "disabled";
+ };
+
/* M41T0M6 real time clock on carrier board */
rtc: m41t0m6@68 {
compatible = "st,m41t0";
@@ -200,3 +228,12 @@
vmmc-supply = <&reg_3v3>;
status = "okay";
};
+
+&iomuxc {
+ pinctrl_gpiotouch: touchgpios {
+ fsl,pins = <
+ MX7D_PAD_GPIO1_IO09__GPIO1_IO9 0x74
+ MX7D_PAD_GPIO1_IO10__GPIO1_IO10 0x14
+ >;
+ };
+};
--
2.22.0