From cc545760170590b5e6733ebfef8398f97d7dee05 Mon Sep 17 00:00:00 2001 From: Fabio Estevam Date: Mon, 18 Apr 2022 15:36:17 -0300 Subject: arm64: dts: imx8mn-evk: Add UART3 support UART3 pins are available in the J1003 connector. Add support for it. Signed-off-by: Fabio Estevam Signed-off-by: Shawn Guo --- arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'arch/arm64') diff --git a/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi b/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi index dc75d6d13bb3..d1f6cccfa00d 100644 --- a/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi @@ -212,6 +212,15 @@ status = "okay"; }; +&uart3 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_uart3>; + assigned-clocks = <&clk IMX8MN_CLK_UART3>; + assigned-clock-parents = <&clk IMX8MN_SYS_PLL1_80M>; + uart-has-rtscts; + status = "okay"; +}; + &usbotg1 { dr_mode = "otg"; hnp-disable; @@ -374,6 +383,15 @@ >; }; + pinctrl_uart3: uart3grp { + fsl,pins = < + MX8MN_IOMUXC_ECSPI1_SCLK_UART3_DCE_RX 0x140 + MX8MN_IOMUXC_ECSPI1_MOSI_UART3_DCE_TX 0x140 + MX8MN_IOMUXC_ECSPI1_SS0_UART3_DCE_RTS_B 0x140 + MX8MN_IOMUXC_ECSPI1_MISO_UART3_DCE_CTS_B 0x140 + >; + }; + pinctrl_usdhc2_gpio: usdhc2gpiogrp { fsl,pins = < MX8MN_IOMUXC_GPIO1_IO15_GPIO1_IO15 0x1c4 -- cgit