[PATCH v2 08/12] arm64: dts: imx8mp-var-som-symphony: add capacitive touchscreen
Stefano Radaelli
stefano.radaelli21 at gmail.com
Wed Jun 3 06:12:46 PDT 2026
From: Stefano Radaelli <stefano.r at variscite.com>
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 at variscite.com>
---
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 4d8791886a78..ca0fc66193ee 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 at 2e {
reset-gpios = <&pcal6408 4 GPIO_ACTIVE_LOW>;
};
+ /* Capacitive touch controller */
+ ft5x06_ts: touchscreen at 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 at 68 {
compatible = "dallas,ds1337";
reg = <0x68>;
@@ -305,6 +320,12 @@ &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
More information about the linux-arm-kernel
mailing list