// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Copyright (c) 2019 BayLibre, SAS
 * Author: Neil Armstrong <narmstrong@baylibre.com>
 * Copyright (c) 2019 Christian Hewitt <christianshewitt@gmail.com>
 * Copyright (c) 2025 retro98boy <retro98boy@qq.com>
 */

/dts-v1/;

#include "meson-g12b-a311d.dtsi"
#include <dt-bindings/input/input.h>
#include <dt-bindings/gpio/meson-g12a-gpio.h>
#include <dt-bindings/sound/meson-g12a-toacodec.h>
#include <dt-bindings/sound/meson-g12a-tohdmitx.h>

/ {
	compatible = "cainiao,cniot-core", "amlogic,a311d", "amlogic,g12b";
	model = "CAINIAO CNIoT-CORE";

	aliases {
		serial0 = &uart_AO;
		ethernet0 = &ethmac;
		rtc99 = &vrtc;
	};

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

	memory@0 {
		device_type = "memory";
		reg = <0x0 0x0 0x0 0x77359400>; /* 2GB */
	};

	fan0: pwm-fan {
		compatible = "pwm-fan";
		#cooling-cells = <2>;
		cooling-levels = <0 120 170 220>;
		pwms = <&pwm_cd 1 40000 1>;
		tach-gpio = <&gpio GPIOA_4 GPIO_ACTIVE_HIGH>;
	};

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

		pwr-btn {
			label = "pwr-btn";
			linux,code = <KEY_POWER>;
			gpios = <&gpio_ao GPIOAO_3 GPIO_ACTIVE_LOW>;
		};
	};

	adc-keys {
		compatible = "adc-keys";
		io-channels = <&saradc 2>;
		io-channel-names = "buttons";
		keyup-threshold-microvolt = <1710000>;
		poll-interval = <100>;

		button-recovery {
			label = "Recovery";
			linux,code = <KEY_VENDOR>;
			press-threshold-microvolt = <10000>;
		};
	};

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

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

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

	ht6872: ht6872 {
		compatible = "simple-audio-amplifier";
		enable-gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_HIGH>;
		VCC-supply = <&vdd_amp>;
		sound-name-prefix = "HT6872";
		status = "okay";
	};

	sdio_pwrseq: sdio-pwrseq {
		compatible = "mmc-pwrseq-simple";
		reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
		clocks = <&wifi32k>;
		clock-names = "ext_clock";
	};

	wifi32k: wifi32k {
		compatible = "pwm-clock";
		#clock-cells = <0>;
		clock-frequency = <32768>;
		pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
	};

	dc_in: regulator-dc-in {
		compatible = "regulator-fixed";
		regulator-name = "dc_in";
		regulator-always-on;
		regulator-boot-on;
	};

	/* important to usb hub */
	amp_power: regulator-amp-power {
		compatible = "regulator-fixed";
		enable-active-high;
		gpio = <&gpio GPIOH_8 GPIO_ACTIVE_HIGH>;
		regulator-name = "amp_power";
		regulator-always-on;
		regulator-boot-on;
		vin-supply = <&dc_in>;
	};

	vddao_1v8: regulator-vddao-1v8 {
		compatible = "regulator-fixed";
		regulator-name = "vddao_1v8";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
		regulator-always-on;
		regulator-boot-on;
		vin-supply = <&dc_in>;
	};

	vddcpu_a: regulator-vddcpu-a {
		compatible = "pwm-regulator";
		regulator-name = "VDDCPU_A";
		regulator-min-microvolt = <690000>;
		regulator-max-microvolt = <1050000>;
		pwm-supply = <&dc_in>;
		pwms = <&pwm_ab 0 1250 0>;
		pwm-dutycycle-range = <100 0>;
		regulator-boot-on;
		regulator-always-on;
	};

	vddcpu_b: regulator-vddcpu-b {
		compatible = "pwm-regulator";
		regulator-name = "VDDCPU_B";
		regulator-min-microvolt = <690000>;
		regulator-max-microvolt = <1050000>;
		pwm-supply = <&dc_in>;
		pwms = <&pwm_AO_cd 1 1250 0>;
		pwm-dutycycle-range = <100 0>;
		regulator-boot-on;
		regulator-always-on;
	};

	vsys_3v3: regulator-vsys-3v3 {
		compatible = "regulator-fixed";
		regulator-name = "vsys_3v3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-always-on;
		regulator-boot-on;
		vin-supply = <&dc_in>;
	};

	usb_pwr: regulator-usb-pwr {
		compatible = "regulator-fixed";
		enable-active-high;
		gpio = <&gpio_ao GPIOAO_6 GPIO_ACTIVE_HIGH>; /* always keep usb hub reset pin high */
		regulator-name = "usb_pwr";
		regulator-always-on;
		regulator-boot-on;
		vin-supply = <&dc_in>;
	};

	/*
	 * The Type-C port on the host is switched with the four USB contacts on the side of the host via GPIOA_14.
	 * Since the Type-C port on the host is either used for power supply or blocked by the dock,
	 * switching USB 2.0 access to the four contacts on the side of the host is a better choice.
	 * To use the Type-C port for data transmission,
	 * you only need to set GPIOA_14 in the node below to a high level.
	 */
	usb_switch: regulator-usb-switch {
		compatible = "regulator-fixed";
		enable-active-low;
		gpio = <&gpio GPIOA_14 GPIO_ACTIVE_LOW>;
		regulator-name = "usb_switch";
		regulator-always-on;
		regulator-boot-on;
		vin-supply = <&dc_in>;
	};

	vdd_amp: regulator-vdd-amp {
		compatible = "regulator-fixed";
		enable-active-high;
		gpio = <&gpio GPIOH_7 GPIO_ACTIVE_HIGH>;
		regulator-name = "vdd_amp";
		regulator-always-on;
		regulator-boot-on;
		vin-supply = <&dc_in>;
	};

	sound {
		compatible = "amlogic,axg-sound-card";
		model = "cainiao-cniot-core";
		audio-widgets = "Speaker", "Internal Speaker";
		audio-aux-devs = <&tdmout_a>, <&tdmout_b>, <&ht6872>;
		audio-routing = "TDMOUT_A IN 0", "FRDDR_A OUT 0",
				"TDMOUT_A IN 1", "FRDDR_B OUT 0",
				"TDMOUT_A IN 2", "FRDDR_C OUT 0",
				"TDM_A Playback", "TDMOUT_A OUT",
				"TDMOUT_B IN 0", "FRDDR_A OUT 1",
				"TDMOUT_B IN 1", "FRDDR_B OUT 1",
				"TDMOUT_B IN 2", "FRDDR_C OUT 1",
				"TDM_B Playback", "TDMOUT_B OUT",
				"HT6872 INL", "ACODEC LOLP",
				"HT6872 INR", "ACODEC LORP",
				"Internal Speaker", "HT6872 OUTL",
				"Internal Speaker", "HT6872 OUTR";

		clocks = <&clkc CLKID_MPLL2>,
			 <&clkc CLKID_MPLL0>,
			 <&clkc CLKID_MPLL1>;

		assigned-clocks = <&clkc CLKID_MPLL2>,
				  <&clkc CLKID_MPLL0>,
				  <&clkc CLKID_MPLL1>;
		assigned-clock-parents = <0>, <0>, <0>;
		assigned-clock-rates = <294912000>,
				       <270950400>,
				       <393216000>;

		dai-link-0 {
			sound-dai = <&frddr_a>;
		};

		dai-link-1 {
			sound-dai = <&frddr_b>;
		};

		dai-link-2 {
			sound-dai = <&frddr_c>;
		};

		/* 8ch hdmi interface */
		dai-link-3 {
			sound-dai = <&tdmif_a>;
			dai-format = "i2s";
			dai-tdm-slot-tx-mask-0 = <1 1>;
			dai-tdm-slot-tx-mask-1 = <1 1>;
			dai-tdm-slot-tx-mask-2 = <1 1>;
			dai-tdm-slot-tx-mask-3 = <1 1>;
			mclk-fs = <256>;

			codec-0 {
				sound-dai = <&tohdmitx TOHDMITX_I2S_IN_A>;
			};

			codec-1 {
				sound-dai = <&toacodec TOACODEC_IN_A>;
			};
		};

		/* 8ch hdmi interface */
		dai-link-4 {
			sound-dai = <&tdmif_b>;
			dai-format = "i2s";
			dai-tdm-slot-tx-mask-0 = <1 1>;
			dai-tdm-slot-tx-mask-1 = <1 1>;
			dai-tdm-slot-tx-mask-2 = <1 1>;
			dai-tdm-slot-tx-mask-3 = <1 1>;
			mclk-fs = <256>;

			codec-0 {
				sound-dai = <&tohdmitx TOHDMITX_I2S_IN_B>;
			};

			codec-1 {
				sound-dai = <&toacodec TOACODEC_IN_B>;
			};
		};

		/* hdmi glue */
		dai-link-5 {
			sound-dai = <&tohdmitx TOHDMITX_I2S_OUT>;

			codec {
				sound-dai = <&hdmi_tx>;
			};
		};

		/* acodec glue */
		dai-link-6 {
			sound-dai = <&toacodec TOACODEC_OUT>;

			codec {
				sound-dai = <&acodec>;
			};
		};
	};
};

&acodec {
	AVDD-supply = <&vddao_1v8>;
	status = "okay";
};

&arb {
	status = "okay";
};

&clkc_audio {
	status = "okay";
};

&cecb_AO {
	pinctrl-0 = <&cec_ao_b_h_pins>;
	pinctrl-names = "default";
	status = "okay";
	hdmi-phandle = <&hdmi_tx>;
};

&cpu0 {
	cpu-supply = <&vddcpu_b>;
	operating-points-v2 = <&cpu_opp_table_0>;
	clocks = <&clkc CLKID_CPU_CLK>;
	clock-latency = <50000>;
};

&cpu1 {
	cpu-supply = <&vddcpu_b>;
	operating-points-v2 = <&cpu_opp_table_0>;
	clocks = <&clkc CLKID_CPU_CLK>;
	clock-latency = <50000>;
};

&cpu100 {
	cpu-supply = <&vddcpu_a>;
	operating-points-v2 = <&cpub_opp_table_1>;
	clocks = <&clkc CLKID_CPUB_CLK>;
	clock-latency = <50000>;
};

&cpu101 {
	cpu-supply = <&vddcpu_a>;
	operating-points-v2 = <&cpub_opp_table_1>;
	clocks = <&clkc CLKID_CPUB_CLK>;
	clock-latency = <50000>;
};

&cpu102 {
	cpu-supply = <&vddcpu_a>;
	operating-points-v2 = <&cpub_opp_table_1>;
	clocks = <&clkc CLKID_CPUB_CLK>;
	clock-latency = <50000>;
};

&cpu103 {
	cpu-supply = <&vddcpu_a>;
	operating-points-v2 = <&cpub_opp_table_1>;
	clocks = <&clkc CLKID_CPUB_CLK>;
	clock-latency = <50000>;
};

&cpu_thermal {
	trips {
		cpu_active: cpu-active {
			temperature = <60000>; /* millicelsius */
			hysteresis = <5000>; /* millicelsius */
			type = "active";
		};
	};

	cooling-maps {
		map2 {
			trip = <&cpu_active>;
			cooling-device = <&fan0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
		};
	};
};

&ethmac {
	pinctrl-0 = <&eth_pins>, <&eth_rgmii_pins>;
	pinctrl-names = "default";
	status = "okay";
	phy-mode = "rgmii";
	phy-handle = <&rtl8211f>;
	amlogic,tx-delay-ns = <2>;
};

&ext_mdio {
	rtl8211f: rtl8211f@0 {
		reg = <0>;
		max-speed = <1000>;

		reset-assert-us = <10000>;
		reset-deassert-us = <80000>;
		reset-gpios = <&gpio GPIOZ_15 (GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN)>;

		interrupt-parent = <&gpio_intc>;
		/* MAC_INTR on GPIOZ_14 */
		interrupts = <IRQID_GPIOZ_14 IRQ_TYPE_LEVEL_LOW>; /* tested by voltmeter */
	};
};

&frddr_a {
	status = "okay";
};

&frddr_b {
	status = "okay";
};

&frddr_c {
	status = "okay";
};

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

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

&npu {
	status = "okay";
};

&pwm_ab {
	status = "okay";
	pinctrl-0 = <&pwm_a_e_pins>;
	pinctrl-names = "default";
	clocks = <&xtal>;
	clock-names = "clkin0";
};

&pwm_cd {
	status = "okay";
	pinctrl-0 = <&pwm_d_a_pins>;
	pinctrl-names = "default";
};

&pwm_ef {
	status = "okay";
	pinctrl-0 = <&pwm_e_pins>;
	pinctrl-names = "default";
};

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

&saradc {
	status = "okay";
	vref-supply = <&vddao_1v8>;
};

&sd_emmc_a {
	status = "okay";
	pinctrl-0 = <&sdio_pins>;
	pinctrl-1 = <&sdio_clk_gate_pins>;
	pinctrl-names = "default", "clk-gate";
	#address-cells = <1>;
	#size-cells = <0>;

	bus-width = <4>;
	max-frequency = <100000000>;
	cap-sdio-irq;
	cap-sd-highspeed;
	non-removable;

	/* WiFi firmware requires power in suspend */
	keep-power-in-suspend;
	mmc-pwrseq = <&sdio_pwrseq>;
	vmmc-supply = <&vsys_3v3>;
	vqmmc-supply = <&vddao_1v8>;

	rtl8822cs: wifi@1 {
		reg = <1>;
		/*
		 * tested by voltmeter
		 * WL_REG_ON GPIOX_6
		 * WL_WAKE_HOST GPIOX_5
		 */
	};
};

&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";

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

	mmc-pwrseq = <&emmc_pwrseq>;
	vmmc-supply = <&vsys_3v3>;
	vqmmc-supply = <&vddao_1v8>;
};

/*
 * GPIOH_4 is connected to 6 WS2812 LEDs.
 * Reusing GPIOH_4 as SPI MOSI to control the WS2812 offers superior performance compared to the GPIO method.
 */
&spicc1_pins {
	mux {
		groups = "spi1_mosi";
	};
};

/* Controlling WS2812 LEDs via spidev in user space. */
&spicc1 {
	status = "okay";
	pinctrl-0 = <&spicc1_pins>;
	pinctrl-names = "default";

	spidev@0 {
		compatible = "rohm,dh2228fv";
		reg = <0>;
		spi-max-frequency = <3340000>;
	};
};

&tdmif_a {
	status = "okay";
};

&tdmif_b {
	status = "okay";
};

&tdmout_a {
	status = "okay";
};

&tdmout_b {
	status = "okay";
};

&toacodec {
	status = "okay";
};

&tohdmitx {
	status = "okay";
};

&uart_A {
	status = "okay";
	pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
	pinctrl-names = "default";
	uart-has-rtscts;

	bluetooth {
		compatible = "realtek,rtl8822cs-bt";
		enable-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>; /* tested by voltmeter */
		host-wake-gpios = <&gpio GPIOX_18 GPIO_ACTIVE_HIGH>; /* tested by voltmeter */
		device-wake-gpios = <&gpio GPIOX_19 GPIO_ACTIVE_HIGH>; /* tested by voltmeter */
	};
};

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

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

&usb2_phy1 {
	phy-supply = <&usb_switch>;
};

&usb3_pcie_phy {
	phy-supply = <&usb_pwr>;
};

&usb {
	status = "okay";
	dr_mode = "host";
};