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path: root/arch/arm64/boot/dts/freescale/imx8mm-phygate-tauri-l-rs232-rts-cts.dtso
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// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Copyright (C) 2023 PHYTEC Messtechnik GmbH
 * Author: Jens Lang <j.lang@phytec.de>
 *
 * Tauri-L RS232 with RTS/CTS hardware flow control:
 *  - UART4_TX becomes RTS
 *  - UART4_RX becomes CTS
 */

#include <dt-bindings/clock/imx8mm-clock.h>
#include "imx8mm-pinfunc.h"

/dts-v1/;
/plugin/;


&{/} {
	compatible = "phytec,imx8mm-phygate-tauri-l";

};

&uart2 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_uart2>;
	assigned-clocks = <&clk IMX8MM_CLK_UART2>;
	assigned-clock-parents = <&clk IMX8MM_SYS_PLL1_80M>;
	uart-has-rtscts;
	status = "okay";
};

&iomuxc {
	pinctrl_uart2: uart2grp {
		fsl,pins = <
			MX8MM_IOMUXC_UART2_RXD_UART2_DCE_RX	0x00
			MX8MM_IOMUXC_UART2_TXD_UART2_DCE_TX	0x00
			MX8MM_IOMUXC_UART4_RXD_UART2_DCE_CTS_B	0x00
			MX8MM_IOMUXC_UART4_TXD_UART2_DCE_RTS_B	0x00
		>;
	};
};