// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Copyright (C) 2025 Patrick Yavitz <pyavitz@gmail.com>
 */

/dts-v1/;

#include "sun50i-h616.dtsi"
#include "sun50i-h616-cpu-opp.dtsi"

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/input/linux-event-codes.h>
#include <dt-bindings/leds/common.h>

/ {
	model = "KickPi K2B";
	compatible = "kickpi,k2b", "allwinner,sun50i-h618";

	aliases {
		ethernet0 = &emac0;
		i2c1 = &i2c1;
		i2c2 = &i2c2;
		i2c3 = &i2c3;
		i2c4 = &i2c4;
		serial0 = &uart0;
		serial1 = &uart1;
		serial2 = &uart2;
		serial5 = &uart5;
	};

	chosen {
		stdout-path = "serial0:115200n8";
		kaslr-seed = <0xfeedbeef 0xc0def00d>;
	};

	connector {
		compatible = "hdmi-connector";
		type = "d";

		port {
			hdmi_con_in: endpoint {
				remote-endpoint = <&hdmi_out_con>;
			};
		};
	};

	gpio-keys-polled {
		compatible = "gpio-keys-polled";
		poll-interval = <100>;

		button-power {
			label = "power";
			linux,code = <KEY_POWER>;
			gpios = <&pio 2 2 GPIO_ACTIVE_LOW>; /* PC2 */
		};
	};

	leds {
		compatible = "gpio-leds";

		led-0 {
			color = <LED_COLOR_ID_BLUE>;
			function = LED_FUNCTION_STATUS;
			gpios = <&pio 8 16 GPIO_ACTIVE_HIGH>; /* PI16 */
			linux,default-trigger = "heartbeat";
		};
	};

	reg_usb_vbus: regulator-usb-vbus {
		/* Separate discrete regulator for the USB ports */
		compatible = "regulator-fixed";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		regulator-name = "usb-vbus";
		vin-supply = <&reg_vcc5v>;
	};

	reg_vcc5v: regulator-vcc5v {
		/* Board wide 5V supply directly from the USB-C socket */
		compatible = "regulator-fixed";
		regulator-always-on;
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		regulator-name = "vcc-5v";
	};

	sdio_pwrseq: sdio-pwrseq {
		compatible = "mmc-pwrseq-simple";
		clocks = <&rtc CLK_OSC32K_FANOUT>;
		clock-names = "ext_clock";
		pinctrl-0 = <&x32clk_fanout_pin>;
		pinctrl-names = "default";
		post-power-on-delay-ms = <100>;
		power-off-delay-us = <5000000>;
		reset-gpios = <&pio 6 18 GPIO_ACTIVE_LOW>, /* PG18 */
			      <&pio 6 19 GPIO_ACTIVE_LOW>; /* PG19 */
	};
};

&ahub_dam_plat {
	status = "okay";
};

&ahub1_plat {
	status = "okay";
};

&ahub1_mach {
	status = "okay";
};

&codec {
	status = "okay";
	allwinner,audio-routing = "Line Out", "LINEOUT";
};

&cpu0 {
	cpu-supply = <&reg_dcdc2>;
};

&de {
	status = "okay";
};

&emac0 {
	status = "okay";
	pinctrl-0 = <&ext_rgmii_pins>;
	pinctrl-names = "default";
	phy-mode = "rgmii";
	phy-handle = <&ext_rgmii_phy>;
	allwinner,tx-delay-ps = <700>;
	allwinner,rx-delay-ps = <1700>;
};

&ehci0 {
	status = "okay";
};

&ehci1 {
	status = "okay";
};

&ehci2 {
	status = "okay";
};

&ehci3 {
	status = "disabled";
};

&gpu {
	status = "okay";
	mali-supply = <&reg_dcdc1>;
};

&hdmi {
	status = "okay";
};

&hdmi_out {
	hdmi_out_con: endpoint {
		remote-endpoint = <&hdmi_con_in>;
	};
};

&i2c1 {
	status = "disabled";
	pinctrl-0 = <&i2c1_ph_pins>;
	pinctrl-names = "default";
};

&i2c2 {
	status = "disabled";
	pinctrl-0 = <&i2c2_ph_pins>;
	pinctrl-names = "default";
};

&i2c3 {
	status = "disabled";
	pinctrl-0 = <&i2c3_ph_pins>;
	pinctrl-names = "default";
};

&i2c4 {
	status = "disabled";
	pinctrl-0 = <&i2c4_ph_pins>;
	pinctrl-names = "default";
};

&ir {
	status = "okay";
	pinctrl-0 = <&ir_rx_pin>;
	pinctrl-names = "default";
};

&mdio0 {
	ext_rgmii_phy: ethernet-phy@1 {
		compatible = "ethernet-phy-id001c.c916";
		reg = <1>;
		reset-assert-us = <20000>;
		reset-deassert-us = <100000>;
		reset-gpios = <&pio 8 6 GPIO_ACTIVE_LOW>; /* PI6 */
	};
};

/* SD card */
&mmc0 {
	status = "okay";
	bus-width = <4>;
	cd-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>;	/* PF6 */
	cd-inverted;
	disable-wp;
	max-frequency = <50000000>;
	vmmc-supply = <&reg_dldo1>;
};

/* SDIO */
&mmc1 {
	status = "okay";
	bus-width = <4>;
	keep-power-in-suspend;
	max-frequency = <100000000>;
	mmc-pwrseq = <&sdio_pwrseq>;
	no-mmc;
	no-sd;
	non-removable;
	vmmc-supply = <&reg_dldo1>;
	vqmmc-supply = <&reg_aldo1>;

	sdio: wifi@1 {
		reg = <1>;
	};
};

/* eMMC */
&mmc2 {
	status = "okay";
	bus-width = <8>;
	cap-mmc-hw-reset;
	mmc-hs200-1_8v;
	non-removable;
	vmmc-supply = <&reg_dldo1>;
	vqmmc-supply = <&reg_aldo1>;
};

&ohci0 {
	status = "okay";
};

&ohci1 {
	status = "okay";
};

&ohci2 {
	status = "okay";
};

&ohci3 {
	status = "disabled";
};

&pio {
	vcc-pc-supply = <&reg_dldo1>;
	vcc-pf-supply = <&reg_dldo1>;
	vcc-pg-supply = <&reg_aldo1>;
	vcc-ph-supply = <&reg_dldo1>;
	vcc-pi-supply = <&reg_dldo1>;
	vcc-pl-supply = <&reg_aldo1>;

	/* PI16 required for sys_led */
	ext_rgmii_pins: rgmii-pins {
		pins = "PI0", "PI1", "PI2", "PI3", "PI4",
		       "PI5", "PI7", "PI8", "PI9", "PI10",
		       "PI11", "PI12", "PI13", "PI14", "PI15";
		function = "emac0";
		drive-strength = <40>;
	};

	/* Add I2C PH Pins */
	i2c1_ph_pins: i2c1-ph-pins {
		pins = "PH0", "PH1";
		function = "i2c1";
	};

	i2c2_ph_pins: i2c2-ph-pins {
		pins = "PH2", "PH3";
		function = "i2c2";
	};

	i2c4_ph_pins: i2c4-ph-pins {
		pins = "PH6", "PH7";
		function = "i2c4";
	};

	/* PC0 required for spi0 */
	mmc2_pins: mmc2-pins {
		pins = "PC1", "PC5", "PC6",
		       "PC8", "PC9", "PC10", "PC11",
		       "PC13", "PC14", "PC15", "PC16";
		function = "mmc2";
		drive-strength = <30>;
		bias-pull-up;
	};
};

&r_i2c {
	status = "okay";
	axp313: pmic@36 {
		compatible = "x-powers,axp313a";
		reg = <0x36>;
		#interrupt-cells = <1>;
		interrupt-controller;
		interrupt-parent = <&pio>;

		vin1-supply = <&reg_vcc5v>;
		vin2-supply = <&reg_vcc5v>;
		vin3-supply = <&reg_vcc5v>;

		regulators {
			reg_aldo1: aldo1 {
				regulator-always-on;
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;
				regulator-name = "vcc-1v8-pll";
			};

			reg_dldo1: dldo1 {
				regulator-always-on;
				regulator-min-microvolt = <3300000>;
				regulator-max-microvolt = <3300000>;
				regulator-name = "vcc-3v3-io";
			};

			reg_dcdc1: dcdc1 {
				regulator-always-on;
				regulator-min-microvolt = <810000>;
				regulator-max-microvolt = <990000>;
				regulator-name = "vdd-gpu-sys";
			};

			reg_dcdc2: dcdc2 {
				regulator-always-on;
				regulator-min-microvolt = <810000>;
				regulator-max-microvolt = <1100000>;
				regulator-name = "vdd-cpu";
			};

			reg_dcdc3: dcdc3 {
				regulator-always-on;
				regulator-min-microvolt = <1100000>;
				regulator-max-microvolt = <1500000>;
				regulator-name = "vdd-dram";
			};
		};
	};
};

&spi1 {
	status = "disabled";
	pinctrl-0 = <&spi1_pins>, <&spi1_cs1_pin>;
	pinctrl-names = "default";

	spidev@1 {
		compatible = "rohm,dh2228fv";
		reg = <1>;
		spi-max-frequency = <1000000>;
	};
};

&uart0 {
	status = "okay";
	pinctrl-0 = <&uart0_ph_pins>;
	pinctrl-names = "default";
};

/* Bluetooth */
&uart1 {
	status = "okay";
	pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
	pinctrl-names = "default";
	uart-has-rtscts;
};

&uart2 {
	status = "disabled";
	pinctrl-names = "default";
	pinctrl-0 = <&uart2_ph_pins>;
};

&uart5 {
	status = "disabled";
	pinctrl-names = "default";
	pinctrl-0 = <&uart5_pins>;
};

&usbotg {
	status = "okay";
	dr_mode = "peripheral";
};

&usbphy {
	status = "okay";
	usb1_vbus-supply = <&reg_usb_vbus>;
};