[PATCH v4 08/14] arm64: dts: imx8mp-var-som-symphony: add capacitive touchscreen
From: Stefano Radaelli
Date: Mon Jun 08 2026 - 06:41:32 EST
From: Stefano Radaelli <stefano.r@xxxxxxxxxxxxx>
Add the FT5206 capacitive touchscreen controller on the Symphony carrier
board.
Describe the interrupt pin and touchscreen geometry.
Signed-off-by: Stefano Radaelli <stefano.r@xxxxxxxxxxxxx>
---
v3->v4:
-
v2->v3:
-
v1->v2:
-
.../dts/freescale/imx8mp-var-som-symphony.dts | 21 +++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-var-som-symphony.dts b/arch/arm64/boot/dts/freescale/imx8mp-var-som-symphony.dts
index f27ba602c743..bac3de6e1530 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-var-som-symphony.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-var-som-symphony.dts
@@ -195,6 +195,21 @@ st33ktpm2xi2c: tpm@2e {
reset-gpios = <&pcal6408 4 GPIO_ACTIVE_LOW>;
};
+ /* Capacitive touch controller */
+ ft5x06_ts: touchscreen@38 {
+ compatible = "edt,edt-ft5206";
+ reg = <0x38>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_captouch>;
+ interrupt-parent = <&gpio5>;
+ interrupts = <3 IRQ_TYPE_EDGE_FALLING>;
+ touchscreen-size-x = <800>;
+ touchscreen-size-y = <480>;
+ touchscreen-inverted-x;
+ touchscreen-inverted-y;
+ wakeup-source;
+ };
+
rtc@68 {
compatible = "dallas,ds1337";
reg = <0x68>;
@@ -306,6 +321,12 @@ &usdhc2 {
};
&iomuxc {
+ pinctrl_captouch: captouchgrp {
+ fsl,pins = <
+ MX8MP_IOMUXC_SPDIF_TX__GPIO5_IO03 0x16
+ >;
+ };
+
pinctrl_hdmi: hdmigrp {
fsl,pins = <
MX8MP_IOMUXC_HDMI_DDC_SCL__HDMIMIX_HDMI_SCL 0x1c2
--
2.47.3