openwrt/target/linux/ath79/dts/qca9558_elecom_wab-i1750-ps.dts

// SPDX-License-Identifier: GPL-2.0-or-later OR MIT

#include "qca955x_elecom_wab.dtsi"

/ {
	compatible = "elecom,wab-i1750-ps", "qca,qca9558";
	model = "ELECOM WAB-I1750-PS";

	ahb {
		apb {
			/* "SERIAL" port (RJ-45) on the case */
			uart1: uart@18500000 {
				compatible = "qca,ar9330-uart";
				reg = <0x18500000 0x14>;

				pinctrl-names = "default";
				pinctrl-0 = <&pmx_uart1_in_pins &pmx_uart1_out_pins
					     &jtag_disable_pins>;

				interrupts = <6>;
				interrupt-parent = <&miscintc>;

				clocks = <&pll ATH79_CLK_UART1>;
				clock-names = "uart";

				/* QCA955x HS UART is not supported */
				status = "disabled";
			};
		};
	};
};

&gpio {
	uart1-out {
		gpio-hog;
		gpios = <0 GPIO_ACTIVE_HIGH>,	/* UART1_TD */
			<2 GPIO_ACTIVE_HIGH>;	/* UART1_RTS */
		output-low;
	};

	uart1-in {
		gpio-hog;
		gpios = <1 GPIO_ACTIVE_HIGH>,	/* UART1_RD */
			<3 GPIO_ACTIVE_HIGH>;	/* UART1_CTS */
		input;
	};
};

&pinmux {
	pmx_uart1_out_pins: uart1-out-pins {
		/*
		 * mux as uart1 output
		 *
		 * GPIO0: UART1_TD (sel:18)
		 * GPIO2: UART1_RTS (sel:19)
		 */
		pinctrl-single,bits = <0x0 0x130012 0xff00ff>;
	};

	pmx_uart1_in_pins: uart1-in-pins {
		/*
		 * mux as uart1 input
		 *
		 * GPIO1: UART1_RD
		 * GPIO3: UART1_CTS
		 */
		pinctrl-single,bits = <0x3c 0x3010000 0xffff0000>;
	};
};