[PATCH 5/9] arm64: dts: imx8mm-evk: add uart3 port
Frank Li
Frank.Li at nxp.com
Mon Nov 10 12:54:45 PST 2025
From: Fugang Duan <fugang.duan at nxp.com>
Add uart3 port.
Signed-off-by: Fugang Duan <fugang.duan at nxp.com>
Signed-off-by: Frank Li <Frank.Li at nxp.com>
---
arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
index 308e644d2af296ae88cbbe01e3bc59346b310f51..374d375a790397e97e525b53a16c8c842479975a 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
@@ -626,6 +626,15 @@ &uart2 { /* console */
status = "okay";
};
+&uart3 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_uart3>;
+ assigned-clocks = <&clk IMX8MM_CLK_UART3>;
+ assigned-clock-parents = <&clk IMX8MM_SYS_PLL1_80M>;
+ uart-has-rtscts;
+ status = "okay";
+};
+
&usbphynop1 {
wakeup-source;
};
@@ -818,6 +827,15 @@ MX8MM_IOMUXC_UART2_TXD_UART2_DCE_TX 0x140
>;
};
+ pinctrl_uart3: uart3grp {
+ fsl,pins = <
+ MX8MM_IOMUXC_ECSPI1_SCLK_UART3_DCE_RX 0x140
+ MX8MM_IOMUXC_ECSPI1_MOSI_UART3_DCE_TX 0x140
+ MX8MM_IOMUXC_ECSPI1_SS0_UART3_DCE_RTS_B 0x140
+ MX8MM_IOMUXC_ECSPI1_MISO_UART3_DCE_CTS_B 0x140
+ >;
+ };
+
pinctrl_usdhc2_gpio: usdhc2grpgpiogrp {
fsl,pins = <
MX8MM_IOMUXC_GPIO1_IO15_GPIO1_IO15 0x1c4
--
2.34.1
More information about the linux-arm-kernel
mailing list