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-rw-r--r--arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts19
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts b/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts
index 562d4fee2011..c8640cac3edc 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts
@@ -177,6 +177,16 @@
status = "okay";
};
+/* RS232/RS485 */
+&uart2 {
+ assigned-clocks = <&clk IMX8MP_CLK_UART2>;
+ assigned-clock-parents = <&clk IMX8MP_SYS_PLL1_80M>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_uart2>;
+ uart-has-rtscts;
+ status = "okay";
+};
+
/* SD-Card */
&usdhc2 {
assigned-clocks = <&clk IMX8MP_CLK_USDHC2>;
@@ -298,6 +308,15 @@
>;
};
+ pinctrl_uart2: uart2grp {
+ fsl,pins = <
+ MX8MP_IOMUXC_UART2_RXD__UART2_DCE_RX 0x140
+ MX8MP_IOMUXC_UART2_TXD__UART2_DCE_TX 0x140
+ MX8MP_IOMUXC_SAI3_RXC__UART2_DCE_CTS 0x140
+ MX8MP_IOMUXC_SAI3_RXD__UART2_DCE_RTS 0x140
+ >;
+ };
+
pinctrl_usdhc2_pins: usdhc2-gpiogrp {
fsl,pins = <
MX8MP_IOMUXC_SD2_CD_B__GPIO2_IO12 0x1c4