// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Copyright (c) 2020 Dongjin Kim <tobetter@gmail.com>
 */

/dts-v1/;

#include "meson-sm1.dtsi"
#include <dt-bindings/gpio/meson-g12a-gpio.h>
#include <dt-bindings/leds/common.h>

/ {
	compatible = "hardkernel,odroid-c4", "amlogic,sm1";
	model = "Hardkernel ODROID-C4";

	aliases {
		serial0 = &uart_AO;
		ethernet0 = &ethmac;
	};

	chosen {
		stdout-path = "serial0:115200n8";
	};

	memory@0 {
		device_type = "memory";
		reg = <0x0 0x0 0x0 0x40000000>;
	};

	emmc_pwrseq: emmc-pwrseq {
		compatible = "mmc-pwrseq-emmc";
		reset-gpios = <&gpio BOOT_12 GPIO_ACTIVE_LOW>;
	};

	leds {
		compatible = "gpio-leds";

		led-blue {
			color = <LED_COLOR_ID_BLUE>;
			function = LED_FUNCTION_STATUS;
			gpios = <&gpio_ao GPIOAO_11 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "heartbeat";
			panic-indicator;
		};
	};

	tflash_vdd: regulator-tflash_vdd {
		compatible = "regulator-fixed";

		regulator-name = "TFLASH_VDD";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;

		gpio = <&gpio_ao GPIOAO_3 GPIO_ACTIVE_HIGH>;
		enable-active-high;
		regulator-always-on;
	};

	tf_io: gpio-regulator-tf_io {
		compatible = "regulator-gpio";

		regulator-name = "TF_IO";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <3300000>;

		gpios = <&gpio_ao GPIOAO_6 GPIO_ACTIVE_HIGH>;
		gpios-states = <0>;

		states = <3300000 0>,
			 <1800000 1>;
	};

	flash_1v8: regulator-flash_1v8 {
		compatible = "regulator-fixed";
		regulator-name = "FLASH_1V8";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
		vin-supply = <&vcc_3v3>;
		regulator-always-on;
	};

	main_12v: regulator-main_12v {
		compatible = "regulator-fixed";
		regulator-name = "12V";
		regulator-min-microvolt = <12000000>;
		regulator-max-microvolt = <12000000>;
		regulator-always-on;
	};

	vcc_5v: regulator-vcc_5v {
		compatible = "regulator-fixed";
		regulator-name = "5V";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		regulator-always-on;
		vin-supply = <&main_12v>;
	};

	vcc_1v8: regulator-vcc_1v8 {
		compatible = "regulator-fixed";
		regulator-name = "VCC_1V8";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
		vin-supply = <&vcc_3v3>;
		regulator-always-on;
	};

	vcc_3v3: regulator-vcc_3v3 {
		compatible = "regulator-fixed";
		regulator-name = "VCC_3V3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		vin-supply = <&vddao_3v3>;
		regulator-always-on;
		/* FIXME: actually controlled by VDDCPU_B_EN */
	};

	vddcpu: regulator-vddcpu {
		/*
		 * MP8756GD Regulator.
		 */
		compatible = "pwm-regulator";

		regulator-name = "VDDCPU";
		regulator-min-microvolt = <721000>;
		regulator-max-microvolt = <1022000>;

		vin-supply = <&main_12v>;

		pwms = <&pwm_AO_cd 1 1250 0>;
		pwm-dutycycle-range = <100 0>;

		regulator-boot-on;
		regulator-always-on;
	};

	hub_5v: regulator-hub_5v {
		compatible = "regulator-fixed";
		regulator-name = "HUB_5V";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		vin-supply = <&vcc_5v>;

		/* Connected to the Hub CHIPENABLE, LOW sets low power state */
		gpio = <&gpio GPIOH_4 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};

	usb_pwr_en: regulator-usb_pwr_en {
		compatible = "regulator-fixed";
		regulator-name = "USB_PWR_EN";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		vin-supply = <&vcc_5v>;

		/* Connected to the microUSB port power enable */
		gpio = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};

	vddao_1v8: regulator-vddao_1v8 {
		compatible = "regulator-fixed";
		regulator-name = "VDDAO_1V8";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
		vin-supply = <&vddao_3v3>;
		regulator-always-on;
	};

	vddao_3v3: regulator-vddao_3v3 {
		compatible = "regulator-fixed";
		regulator-name = "VDDAO_3V3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		vin-supply = <&main_12v>;
		regulator-always-on;
	};

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

		port {
			hdmi_connector_in: endpoint {
				remote-endpoint = <&hdmi_tx_tmds_out>;
			};
		};
	};
};

&cpu0 {
	cpu-supply = <&vddcpu>;
	operating-points-v2 = <&cpu_opp_table>;
	clocks = <&clkc CLKID_CPU_CLK>;
	clock-latency = <50000>;
};

&cpu1 {
	cpu-supply = <&vddcpu>;
	operating-points-v2 = <&cpu_opp_table>;
	clocks = <&clkc CLKID_CPU1_CLK>;
	clock-latency = <50000>;
};

&cpu2 {
	cpu-supply = <&vddcpu>;
	operating-points-v2 = <&cpu_opp_table>;
	clocks = <&clkc CLKID_CPU2_CLK>;
	clock-latency = <50000>;
};

&cpu3 {
	cpu-supply = <&vddcpu>;
	operating-points-v2 = <&cpu_opp_table>;
	clocks = <&clkc CLKID_CPU3_CLK>;
	clock-latency = <50000>;
};

&ext_mdio {
	external_phy: ethernet-phy@0 {
		/* Realtek RTL8211F (0x001cc916) */
		reg = <0>;
		max-speed = <1000>;

		interrupt-parent = <&gpio_intc>;
		/* MAC_INTR on GPIOZ_14 */
		interrupts = <26 IRQ_TYPE_LEVEL_LOW>;
	};
};

&ethmac {
	pinctrl-0 = <&eth_pins>, <&eth_rgmii_pins>;
	pinctrl-names = "default";
	status = "okay";
	phy-mode = "rgmii";
	phy-handle = <&external_phy>;
	amlogic,tx-delay-ns = <2>;
};

&gpio {
	gpio-line-names =
		/* GPIOZ */
		"", "", "", "", "", "", "", "",
		"", "", "", "", "", "", "", "",
		/* GPIOH */
		"", "", "", "", "",
		"PIN_36", /* GPIOH_5 */
		"PIN_26", /* GPIOH_6 */
		"PIN_32", /* GPIOH_7 */
		"",
		/* BOOT */
		"", "", "", "", "", "", "", "",
		"", "", "", "", "", "", "", "",
		/* GPIOC */
		"", "", "", "", "", "", "", "",
		/* GPIOA */
		"", "", "", "", "", "", "", "",
		"", "", "", "", "", "",
		"PIN_27", /* GPIOA_14 */
		"PIN_28", /* GPIOA_15 */
		/* GPIOX */
		"PIN_16", /* GPIOX_0 */
		"PIN_18", /* GPIOX_1 */
		"PIN_22", /* GPIOX_2 */
		"PIN_11", /* GPIOX_3 */
		"PIN_13", /* GPIOX_4 */
		"PIN_7",  /* GPIOX_5 */
		"PIN_33", /* GPIOX_6 */
		"PIN_15", /* GPIOX_7 */
		"PIN_19", /* GPIOX_8 */
		"PIN_21", /* GPIOX_9 */
		"PIN_24", /* GPIOX_10 */
		"PIN_23", /* GPIOX_11 */
		"PIN_8",  /* GPIOX_12 */
		"PIN_10", /* GPIOX_13 */
		"PIN_29", /* GPIOX_14 */
		"PIN_31", /* GPIOX_15 */
		"PIN_12", /* GPIOX_16 */
		"PIN_3",  /* GPIOX_17 */
		"PIN_5",  /* GPIOX_18 */
		"PIN_35"; /* GPIOX_19 */

	/*
	 * WARNING: The USB Hub on the Odroid-C4 needs a reset signal
	 * to be turned high in order to be detected by the USB Controller
	 * This signal should be handled by a USB specific power sequence
	 * in order to reset the Hub when USB bus is powered down.
	 */
	usb-hub {
		gpio-hog;
		gpios = <GPIOH_4 GPIO_ACTIVE_HIGH>;
		output-high;
		line-name = "usb-hub-reset";
	};
};

&gpio_ao {
	gpio-line-names =
		/* GPIOAO */
		"", "", "", "",
		"PIN_47", /* GPIOAO_4 */
		"", "",
		"PIN_45", /* GPIOAO_7 */
		"PIN_46", /* GPIOAO_8 */
		"PIN_44", /* GPIOAO_9 */
		"PIN_42", /* GPIOAO_10 */
		"",
		/* GPIOE */
		"", "", "";
};

&hdmi_tx {
	status = "okay";
	pinctrl-0 = <&hdmitx_hpd_pins>, <&hdmitx_ddc_pins>;
	pinctrl-names = "default";
	hdmi-supply = <&vcc_5v>;
};

&hdmi_tx_tmds_port {
	hdmi_tx_tmds_out: endpoint {
		remote-endpoint = <&hdmi_connector_in>;
	};
};

&ir {
	status = "okay";
	pinctrl-0 = <&remote_input_ao_pins>;
	pinctrl-names = "default";
	linux,rc-map-name = "rc-odroid";
};

&pwm_AO_cd {
	pinctrl-0 = <&pwm_ao_d_e_pins>;
	pinctrl-names = "default";
	clocks = <&xtal>;
	clock-names = "clkin1";
	status = "okay";
};

&saradc {
	status = "okay";
};

/* SD card */
&sd_emmc_b {
	status = "okay";
	pinctrl-0 = <&sdcard_c_pins>;
	pinctrl-1 = <&sdcard_clk_gate_c_pins>;
	pinctrl-names = "default", "clk-gate";

	bus-width = <4>;
	cap-sd-highspeed;
	max-frequency = <200000000>;
	sd-uhs-sdr12;
	sd-uhs-sdr25;
	sd-uhs-sdr50;
	sd-uhs-sdr104;
	disable-wp;

	cd-gpios = <&gpio GPIOC_6 GPIO_ACTIVE_LOW>;
	vmmc-supply = <&tflash_vdd>;
	vqmmc-supply = <&tf_io>;
};

/* eMMC */
&sd_emmc_c {
	status = "okay";
	pinctrl-0 = <&emmc_ctrl_pins>, <&emmc_data_8b_pins>, <&emmc_ds_pins>;
	pinctrl-1 = <&emmc_clk_gate_pins>;
	pinctrl-names = "default", "clk-gate";

	bus-width = <8>;
	cap-mmc-highspeed;
	mmc-ddr-1_8v;
	mmc-hs200-1_8v;
	max-frequency = <200000000>;
	disable-wp;

	mmc-pwrseq = <&emmc_pwrseq>;
	vmmc-supply = <&vcc_3v3>;
	vqmmc-supply = <&flash_1v8>;
};

&uart_AO {
	status = "okay";
	pinctrl-0 = <&uart_ao_a_pins>;
	pinctrl-names = "default";
};

&usb {
	status = "okay";
	vbus-supply = <&usb_pwr_en>;
};

&usb2_phy0 {
	phy-supply = <&vcc_5v>;
};

&usb2_phy1 {
	/* Enable the hub which is connected to this port */
	phy-supply = <&hub_5v>;
};