From: Markus Kueffner <kueffner.markus@xxxxxxxxx>
Add Pincfgs for UART4 to enable Communication with the onboard SAM3X
Signed-off-by: Markus Kueffner <kueffner.markus@xxxxxxxxx>
---
arch/arm/boot/dts/imx6qdl-udoo.dtsi | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/arch/arm/boot/dts/imx6qdl-udoo.dtsi b/arch/arm/boot/dts/imx6qdl-udoo.dtsi
index 4f27861..5614170 100644
--- a/arch/arm/boot/dts/imx6qdl-udoo.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-udoo.dtsi
@@ -195,6 +195,13 @@
>;
};
+ pinctrl_uart4: uart4grp {
+ fsl,pins = <
+ MX6QDL_PAD_KEY_COL0__UART4_TX_DATA 0x1b0b1
+ MX6QDL_PAD_KEY_ROW0__UART4_RX_DATA 0x1b0b1
+ >;
+ };
+
pinctrl_usbh: usbhgrp {
fsl,pins = <
MX6QDL_PAD_GPIO_17__GPIO7_IO12 0x80000000
@@ -265,6 +272,12 @@
status = "okay";
};
+&uart4 { // iMX6-Arduino internal serial port - ttymxc3
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_uart4>;
+ status = "okay";
+};
+
&usbh1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usbh>;
--
2.7.4
