[PATCH 22/22] ARM: dts: imx6ull-colibri: Add touchscreens used with Eval Board

Philippe Schenker
2019-07-30T14:56:20Z

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

This adds the common touchscreens that are used with Toradex's
Eval Boards.

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

---

.../arm/boot/dts/imx6ull-colibri-eval-v3.dtsi | 37 +++++++++++++++++++
1 file changed, 37 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..cd72d3decf6a 100644
--- a/arch/arm/boot/dts/imx6ull-colibri-eval-v3.dtsi
+++ b/arch/arm/boot/dts/imx6ull-colibri-eval-v3.dtsi
@@ -112,6 +112,34 @@
&i2c1 {
status = "okay";

+ /*
+ * the PCAPs use SODIMM 28/30, also used for PWM, PWM<C>, aka pwm5,
+ * pwm6. 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 = <&gpio4>;
+ interrupts = <16 IRQ_TYPE_EDGE_FALLING>; /* SODIMM 28 */
+ reset-gpios = <&gpio2 5 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 = <&gpio4 16 GPIO_ACTIVE_HIGH
+ /* SODIMM 30, Reset interrupt */
+ &gpio2 5 GPIO_ACTIVE_LOW
+ >;
+ status = "disabled";
+ };
+
/* M41T0M6 real time clock on carrier board */
m41t0m6: rtc@68 {
compatible = "st,m41t0";
@@ -188,3 +216,12 @@
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
+ >;
+ };
+};
--
2.22.0