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arm64: dts: imx8mn-evk: Add UART3 support

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UART3 pins are available in the J1003 connector.

Add support for it.

Signed-off-by: Fabio Estevam <festevam@denx.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Fabio Estevam
2022-04-18 15:36:17 -03:00
committed by Shawn Guo
parent 510c527b4f
commit cc54576017
1 changed files with 18 additions and 0 deletions
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18
arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi
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@@ -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