In order for the touchscreen interrupt line to work, describe it properly.
Otherwise it can work if defaults are ok, but we cannot be sure.
Fixes: 8f0216b006e5 ("arm64: dts: Add a device tree for the Librem 5 phone")
Signed-off-by: Martin Kepplinger <martin.kepplinger@xxxxxxx>
---
arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
index 55268fc0622e..a60df09d90f7 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
@@ -459,6 +459,13 @@
>;
};
+ pinctrl_touch: touchgrp {
+ fsl,pins = <
+ /* TP_INT */
+ MX8MQ_IOMUXC_ENET_RD1_GPIO1_IO27 0x80
+ >;
+ };
+
pinctrl_typec: typecgrp {
fsl,pins = <
/* TYPEC_MUX_EN */
@@ -880,6 +887,8 @@
touchscreen@38 {
compatible = "edt,edt-ft5506";
reg = <0x38>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_touch>;
interrupt-parent = <&gpio1>;
interrupts = <27 IRQ_TYPE_EDGE_FALLING>;
touchscreen-size-x = <720>;
--
2.20.1
