arch/arm64/boot/dts/ti/k3-am6548-iot2050-advanced-sm.dts

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (c) Siemens AG, 2023
 *
 * Authors:
 *   Baocheng Su <baocheng.su@siemens.com>
 *   Chao Zeng <chao.zeng@siemens.com>
 *   Huaqian Li <huaqian.li@siemens.com>
 *
 * AM6548-based (quad-core) IOT2050 SM variant, Product Generation 2
 * 4 GB RAM, 16 GB eMMC, USB-serial converter on connector X30
 *
 * Product homepage:
 * https://new.siemens.com/global/en/products/automation/pc-based/iot-gateways/simatic-iot2050.html
 */

/dts-v1/;

#include "k3-am6548-iot2050-advanced-common.dtsi"
#include "k3-am65-iot2050-common-pg2.dtsi"

/ {
	compatible = "siemens,iot2050-advanced-sm", "ti,am654";
	model = "SIMATIC IOT2050 Advanced SM";

	memory@80000000 {
		device_type = "memory";
		/* 4G RAM */
		reg = <0x00000000 0x80000000 0x00000000 0x80000000>,
		      <0x00000008 0x80000000 0x00000000 0x80000000>;
	};

	aliases {
		spi1 = &main_spi0;
	};

	leds {
		pinctrl-0 = <&leds_pins_default>, <&user1_led_pins>;

		led-2 {
			gpios = <&wkup_gpio0 52 GPIO_ACTIVE_HIGH>;
		};

		led-3 {
			gpios = <&wkup_gpio0 53 GPIO_ACTIVE_HIGH>;
		};
	};
};

&main_pmx0 {
	main_pcie_enable_pins_default: main-pcie-enable-default-pins {
		pinctrl-single,pins = <
			AM65X_IOPAD(0x01d8, PIN_OUTPUT, 7)  /* (AH12) GPIO1_22 */
		>;
	};

	main_spi0_pins: main-spi0-default-pins  {
		pinctrl-single,pins = <
			AM65X_IOPAD(0x01c4, PIN_INPUT, 0) /* (AH13) SPI0_CLK */
			AM65X_IOPAD(0x01c8, PIN_INPUT, 0) /* (AE13) SPI0_D0 */
			AM65X_IOPAD(0x01cc, PIN_INPUT, 0) /* (AD13) SPI0_D1 */
			AM65X_IOPAD(0x01bc, PIN_OUTPUT, 0) /* (AG13) SPI0_CS0 */
		>;
	};
};

&main_pmx1 {
	asic_spi_mux_ctrl_pin: asic-spi-mux-ctrl-default-pins {
		pinctrl-single,pins = <
			AM65X_IOPAD(0x0010, PIN_OUTPUT, 7)  /* (D21) GPIO1_86 */
		>;
	};
};

&wkup_pmx0 {
	user1_led_pins: user1-led-default-pins {
		pinctrl-single,pins = <
			/* (AB1) WKUP_UART0_RXD:WKUP_GPIO0_52, as USER 1 led red */
			AM65X_WKUP_IOPAD(0x00a0, PIN_OUTPUT, 7)
			/* (AB5) WKUP_UART0_TXD:WKUP_GPIO0_53, as USER 1 led green */
			AM65X_WKUP_IOPAD(0x00a4, PIN_OUTPUT, 7)
		>;
	};

	soc_asic_pins: soc-asic-default-pins {
		pinctrl-single,pins = <
			AM65X_WKUP_IOPAD(0x0044, PIN_INPUT, 7)  /* (P4) WKUP_GPIO0_29 */
			AM65X_WKUP_IOPAD(0x0048, PIN_INPUT, 7)  /* (P5) WKUP_GPIO0_30 */
			AM65X_WKUP_IOPAD(0x004c, PIN_INPUT, 7)  /* (P1) WKUP_GPIO0_31 */
		>;
	};
};

&main_gpio0 {
	gpio-line-names = "main_gpio0-base";
};

&main_gpio1 {
	pinctrl-names = "default";
	pinctrl-0 =
		<&cp2102n_reset_pin_default>,
		<&main_pcie_enable_pins_default>,
		<&asic_spi_mux_ctrl_pin>;
	gpio-line-names =
		/* 0..9 */
		"", "", "", "", "", "", "", "", "", "",
		/* 10..19 */
		"", "", "", "", "", "", "", "", "", "",
		/* 20..29 */
		"", "", "", "", "CP2102N-RESET", "", "", "", "", "",
		/* 30..39 */
		"", "", "", "", "", "", "", "", "", "",
		/* 40..49 */
		"", "", "", "", "", "", "", "", "", "",
		/* 50..59 */
		"", "", "", "", "", "", "", "", "", "",
		/* 60..69 */
		"", "", "", "", "", "", "", "", "", "",
		/* 70..79 */
		"", "", "", "", "", "", "", "", "", "",
		/* 80..86 */
		"", "", "", "", "", "", "ASIC-spi-mux-ctrl";
};

&wkup_gpio0 {
	pinctrl-names = "default";
	pinctrl-0 =
		<&push_button_pins_default>,
		<&db9_com_mode_pins_default>,
		<&soc_asic_pins>;
	gpio-line-names =
		/* 0..9 */
		"wkup_gpio0-base", "", "", "", "UART0-mode1", "UART0-mode0",
		"UART0-enable", "UART0-terminate", "", "WIFI-disable",
		/* 10..19 */
		"", "", "", "", "", "", "", "", "", "",
		/* 20..29 */
		"", "", "", "", "", "USER-button", "", "", "","ASIC-gpio-0",
		/* 30..31 */
		"ASIC-gpio-1", "ASIC-gpio-2";
};

&main_spi0 {
	pinctrl-names = "default";
	pinctrl-0 = <&main_spi0_pins>;

	#address-cells = <1>;
	#size-cells= <0>;
};

&mcu_spi0 {
	pinctrl-names = "default";
	pinctrl-0 = <&mcu_spi0_pins_default>;
};

&main_i2c3 {
	accelerometer: lsm6dso@6a {
		compatible = "st,lsm6dso";
		reg = <0x6a>;
	};
};

&dss {
	status = "disabled";
};

&serdes0 {
	assigned-clocks = <&k3_clks 153 4>, <&serdes0 AM654_SERDES_CMU_REFCLK>;
	assigned-clock-parents = <&k3_clks 153 8>, <&k3_clks 153 4>;
};

&serdes1 {
	status = "disabled";
};

&pcie0_rc {
	pinctrl-names = "default";
	pinctrl-0 = <&minipcie_pins_default>;

	num-lanes = <1>;
	phys = <&serdes0 PHY_TYPE_PCIE 1>;
	phy-names = "pcie-phy0";
	reset-gpios = <&wkup_gpio0 27 GPIO_ACTIVE_HIGH>;
	status = "okay";
};

&pcie1_rc {
	status = "disabled";
};