[PATCH v2 2/4] arm64: dts: imx8mq-librem5: add pinctrl for the touchscreen description

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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




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