// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
/*
 * Copyright (C) 2023 DH electronics GmbH
 */

#include <dt-bindings/clock/imx6ul-clock.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/leds/common.h>
#include <dt-bindings/pwm/pwm.h>
#include <dt-bindings/regulator/dlg,da9063-regulator.h>
#include "imx6ull.dtsi"

/ {
	aliases {
		/delete-property/ mmc0;
		/delete-property/ mmc1;
	};

	memory@80000000 {
		/* Appropriate memory size will be filled by U-Boot */
		reg = <0x80000000 0>;
		device_type = "memory";
	};
};

&cpu0 {
	/*
	 * Due to the design as a solderable SOM, there are no capacitors
	 * below the SoC, therefore higher voltages are required.
	 * Due to CPU lifetime consideration of the SoC manufacturer and
	 * the preferred area of operation in the industrial related
	 * environment, set the maximum frequency for each DHCOM i.MX6ULL
	 * to 792MHz, as with the industrial type.
	 */
	clock-frequency = <792000000>;
	operating-points = <
		/* kHz	uV */
		792000	1250000 /* Voltage increased */
		528000	1175000
		396000	1025000
		198000	950000
	>;
	fsl,soc-operating-points = <
		/* KHz	uV */
		792000	1250000 /* Voltage increased */
		528000	1175000
		396000	1175000
		198000	1175000
	>;
};

&gpio1 {
	pinctrl-0 = <&pinctrl_spi1_switch>;
	pinctrl-names = "default";
	/*
	 * Pin SPI_BOOT_FLASH_EN (GPIO 1.9) is a switch for either using the
	 * DHCOM SPI1 interface or accessing the SPI bootflash. Both using
	 * ecspi1, but muxed to different pins. The DHCOM SPI1 interface uses
	 * the pins PAD_LCD_DATA21..23 and the SPI bootflash uses the pins
	 * PAD_CSI_DATA04..07. If the SPI bootflash is enabled the pins for
	 * DHCOM GPIOs N/O/P/Q/R/S/T/U aren't usable anymore, because they
	 * are used for the bus interface to the SPI bootflash. The GPIOs are
	 * disconnected by a buffer which is also controlled via the pin
	 * SPI_BOOT_FLASH_EN. Therefore the access to the bootflash is a
	 * special case and is disabled by setting GPIO 1.9 to high.
	 */
	spi1-switch-hog {
		gpio-hog;
		gpios = <9 0>;
		output-high;
		line-name = "spi1-switch";
	};
};

&i2c1 {
	clock-frequency = <100000>;
	pinctrl-0 = <&pinctrl_i2c1>;
	pinctrl-1 = <&pinctrl_i2c1_gpio>;
	pinctrl-names = "default", "gpio";
	scl-gpios = <&gpio1 28 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
	sda-gpios = <&gpio1 29 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
	status = "okay";

	pmic@58 {
		compatible = "dlg,da9061";
		reg = <0x58>;

		onkey {
			compatible = "dlg,da9061-onkey", "dlg,da9062-onkey";
			status = "disabled";
		};

		regulators {
			vdd_soc_in_1v4: buck1 {
				regulator-allowed-modes = <DA9063_BUCK_MODE_SLEEP>; /* PFM */
				regulator-always-on;
				regulator-boot-on;
				regulator-initial-mode = <DA9063_BUCK_MODE_SLEEP>;
				regulator-max-microvolt = <1400000>;
				regulator-min-microvolt = <1400000>;
				regulator-name = "vdd_soc_in_1v4";
			};

			vcc_3v3: buck2 {
				regulator-allowed-modes = <DA9063_BUCK_MODE_SYNC>; /* PWM */
				regulator-always-on;
				regulator-boot-on;
				regulator-initial-mode = <DA9063_BUCK_MODE_SYNC>;
				regulator-max-microvolt = <3300000>;
				regulator-min-microvolt = <3300000>;
				regulator-name = "vcc_3v3";
			};

			/*
			 * The current DRR3 memory can be supplied with a
			 * voltage of either 1.35V or 1.5V. For reasons of
			 * backward compatibility to only 1.5V DDR3 memory,
			 * the voltage is set to 1.5V.
			 */
			vcc_ddr_1v35: buck3 {
				regulator-allowed-modes = <DA9063_BUCK_MODE_SYNC>; /* PWM */
				regulator-always-on;
				regulator-boot-on;
				regulator-initial-mode = <DA9063_BUCK_MODE_SYNC>;
				regulator-max-microvolt = <1500000>;
				regulator-min-microvolt = <1500000>;
				regulator-name = "vcc_ddr_1v35";
			};

			vcc_2v5: ldo1 {
				regulator-always-on;
				regulator-boot-on;
				regulator-max-microvolt = <2500000>;
				regulator-min-microvolt = <2500000>;
				regulator-name = "vcc_2v5";
			};

			vdd_snvs_in_3v3: ldo2 {
				regulator-always-on;
				regulator-boot-on;
				regulator-max-microvolt = <3300000>;
				regulator-min-microvolt = <3300000>;
				regulator-name = "vdd_snvs_in_3v3";
			};

			vcc_1v8: ldo3 {
				regulator-always-on;
				regulator-boot-on;
				regulator-max-microvolt = <1800000>;
				regulator-min-microvolt = <1800000>;
				regulator-name = "vcc_1v8";
			};

			vcc_1v2: ldo4 {
				regulator-always-on;
				regulator-boot-on;
				regulator-max-microvolt = <1200000>;
				regulator-min-microvolt = <1200000>;
				regulator-name = "vcc_1v2";
			};
		};

		thermal {
			compatible = "dlg,da9061-thermal", "dlg,da9062-thermal";
			status = "disabled";
		};

		watchdog {
			compatible = "dlg,da9061-watchdog", "dlg,da9062-watchdog";
			status = "disabled";
		};
	};
};

&ocotp {
	/* Don't get write access by default */
	read-only;
};

&reg_arm {
	vin-supply = <&vdd_soc_in_1v4>;
};

&reg_soc {
	vin-supply = <&vdd_soc_in_1v4>;
};

/* BT on LGA (BT_REG_ON is connected to LGA pin E1) */
&uart2 {
	pinctrl-0 = <&pinctrl_uart2>;
	pinctrl-names = "default";
	uart-has-rtscts;
	status = "okay";

	/*
	 * Actually, the maximum speed of the chip is 4MBdps, but there are
	 * limitations that prevent this speed. It hasn't yet been figured out
	 * what the reason for this is. Currently, the maximum speed of 3MBdps
	 * can be used without any problems. If the limitation can be overcome,
	 * the speed can be increased accordingly.
	 */
	bluetooth: bluetooth {
		compatible = "brcm,bcm43430a1-bt"; /* muRata 1DX */
		max-speed = <3000000>;
		vbat-supply = <&vcc_3v3>;
		vddio-supply = <&vcc_3v3>;
	};
};

/* WiFi on LGA (WL_REG_ON is connected to LGA pin E3) */
&usdhc1 {
	#address-cells = <1>;
	#size-cells = <0>;
	bus-width = <4>;
	no-1-8-v;
	non-removable;
	keep-power-in-suspend;
	pinctrl-0 = <&pinctrl_usdhc1_wifi>;
	pinctrl-names = "default";
	wakeup-source;
	status = "okay";

	brcmf: wifi@1 {
		compatible = "brcm,bcm43430a1-fmac", "brcm,bcm4329-fmac"; /* muRata 1DX */
		reg = <1>;
	};
};

&iomuxc {
	pinctrl_i2c1: i2c1-grp {
		fsl,pins = <
			MX6UL_PAD_UART4_TX_DATA__I2C1_SCL	0x4001b8b0
			MX6UL_PAD_UART4_RX_DATA__I2C1_SDA	0x4001b8b0
		>;
	};

	pinctrl_i2c1_gpio: i2c1-gpio-grp {
		fsl,pins = <
			MX6UL_PAD_UART4_TX_DATA__GPIO1_IO28	0x4001b8b0
			MX6UL_PAD_UART4_RX_DATA__GPIO1_IO29	0x4001b8b0
		>;
	};

	pinctrl_spi1_switch: spi1-switch-grp {
		fsl,pins = <
			MX6UL_PAD_GPIO1_IO09__GPIO1_IO09	0x120b0 /* SPI_BOOT_FLASH_EN */
		>;
	};

	pinctrl_uart2: uart2-grp {
		fsl,pins = <
			MX6UL_PAD_UART2_TX_DATA__UART2_DCE_TX	0x1b0b1
			MX6UL_PAD_UART2_RX_DATA__UART2_DCE_RX	0x1b0b1
			MX6UL_PAD_UART3_RX_DATA__UART2_DCE_RTS	0x1b0b1
			MX6UL_PAD_UART3_TX_DATA__UART2_DCE_CTS	0x1b0b1
		>;
	};

	pinctrl_usdhc1_wifi: usdhc1-wifi-grp {
		fsl,pins = <
			MX6UL_PAD_SD1_CMD__USDHC1_CMD		0x1b0b0
			MX6UL_PAD_SD1_CLK__USDHC1_CLK		0x10010
			MX6UL_PAD_SD1_DATA0__USDHC1_DATA0	0x1b0b0
			MX6UL_PAD_SD1_DATA1__USDHC1_DATA1	0x1b0b0
			MX6UL_PAD_SD1_DATA2__USDHC1_DATA2	0x1b0b0
			MX6UL_PAD_SD1_DATA3__USDHC1_DATA3	0x1b0b0
		>;
	};
};