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Diffstat (limited to 'overlays/apalis-imx8qm_atmel-mxt_overlay.dts')
-rw-r--r--overlays/apalis-imx8qm_atmel-mxt_overlay.dts43
1 files changed, 43 insertions, 0 deletions
diff --git a/overlays/apalis-imx8qm_atmel-mxt_overlay.dts b/overlays/apalis-imx8qm_atmel-mxt_overlay.dts
new file mode 100644
index 0000000..0c60ad6
--- /dev/null
+++ b/overlays/apalis-imx8qm_atmel-mxt_overlay.dts
@@ -0,0 +1,43 @@
+// Atmel MXT touchscreen for the 7inch and 10inch display orderable at Toradex.
+
+/dts-v1/;
+/plugin/;
+
+#include "dt-bindings/interrupt-controller/irq.h"
+#include "dt-bindings/gpio/gpio.h"
+#include "dt-bindings/pinctrl/pads-imx8qm.h"
+
+/ {
+ compatible = "toradex,apalis-imx8qm";
+ fragment@0 {
+ target = <&i2c2>;
+ __overlay__ {
+ /* Atmel maxtouch controller */
+ atmel_mxt_ts: atmel_mxt_ts@4a {
+ compatible = "atmel,maxtouch";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_touch>;
+ reg = <0x4a>;
+ interrupt-parent = <&gpio4>;
+ interrupts = <1 IRQ_TYPE_EDGE_FALLING>; /* Apalis GPIO5 */
+ reset-gpios = <&gpio4 2 GPIO_ACTIVE_HIGH>; /* Apalis GPIO6 */
+ status = "okay";
+ };
+ };
+ };
+
+ fragment@1 {
+ target = <&iomuxc>;
+ __overlay__ {
+ apalis-imx8qm {
+ /* Apalis GPIO5+6 */
+ pinctrl_touch: touchgrp {
+ fsl,pins = <
+ SC_P_FLEXCAN2_RX_LSIO_GPIO4_IO01 0x06000021
+ SC_P_FLEXCAN2_TX_LSIO_GPIO4_IO02 0x06000021
+ >;
+ };
+ };
+ };
+ };
+};