arch/arm/dts/meson-khadas-vim3.dtsi

// 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>
 */

#include <dt-bindings/input/input.h>
#include <dt-bindings/leds/common.h>
#include <dt-bindings/gpio/meson-g12a-gpio.h>
#include <dt-bindings/sound/meson-g12a-tohdmitx.h>

/ {
	aliases {
		serial0 = &uart_AO;
		ethernet0 = &ethmac;
		rtc0 = &rtc;
		rtc1 = &vrtc;
	};

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

	memory@0 {
		device_type = "memory";
		reg = <0x0 0x0 0x0 0x80000000>;
	};

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

		button-function {
			label = "Function";
			linux,code = <KEY_FN>;
			press-threshold-microvolt = <10000>;
		};
	};

	leds {
		compatible = "gpio-leds";

		led-white {
			color = <LED_COLOR_ID_WHITE>;
			function = LED_FUNCTION_STATUS;
			gpios = <&gpio_ao GPIOAO_4 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "heartbeat";
		};

		led-red {
			color = <LED_COLOR_ID_RED>;
			function = LED_FUNCTION_STATUS;
			gpios = <&gpio_expander 5 GPIO_ACTIVE_HIGH>;
		};
	};

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

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

		power-button {
			label = "power";
			linux,code = <KEY_POWER>;
			gpios = <&gpio_ao GPIOAO_7 GPIO_ACTIVE_LOW>;
		};
	};

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

	dc_in: regulator-dc_in {
		compatible = "regulator-fixed";
		regulator-name = "DC_IN";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		regulator-always-on;
	};

	vcc_5v: regulator-vcc_5v {
		compatible = "regulator-fixed";
		regulator-name = "VCC_5V";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		vin-supply = <&dc_in>;

		gpio = <&gpio GPIOH_8 GPIO_OPEN_DRAIN>;
		enable-active-high;
	};

	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 = <&vsys_3v3>;
		regulator-always-on;
		/* FIXME: actually controlled by VDDCPU_B_EN */
	};

	vddao_1v8: regulator-vddao_1v8 {
		compatible = "regulator-fixed";
		regulator-name = "VDDIO_AO1V8";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
		vin-supply = <&vsys_3v3>;
		regulator-always-on;
	};

	emmc_1v8: regulator-emmc_1v8 {
		compatible = "regulator-fixed";
		regulator-name = "EMMC_AO1V8";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
		vin-supply = <&vcc_3v3>;
		regulator-always-on;
	};

	vsys_3v3: regulator-vsys_3v3 {
		compatible = "regulator-fixed";
		regulator-name = "VSYS_3V3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		vin-supply = <&dc_in>;
		regulator-always-on;
	};

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

		gpio = <&gpio GPIOA_6 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};

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

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


	sound {
		compatible = "amlogic,axg-sound-card";
		model = "KHADAS-VIM3";
		audio-aux-devs = <&tdmin_a>, <&tdmout_a>;
		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",
				"TDMIN_A IN 0", "TDM_A Capture",
				"TDMIN_A IN 3", "TDM_A Loopback",
				"TODDR_A IN 0", "TDMIN_A OUT",
				"TODDR_B IN 0", "TDMIN_A OUT",
				"TODDR_C IN 0", "TDMIN_A OUT";

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

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

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

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

		dai-link-3 {
			sound-dai = <&toddr_a>;
		};

		dai-link-4 {
			sound-dai = <&toddr_b>;
		};

		dai-link-5 {
			sound-dai = <&toddr_c>;
		};

		/* 8ch hdmi interface */
		dai-link-6 {
			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 {
				sound-dai = <&tohdmitx TOHDMITX_I2S_IN_A>;
			};
		};

		/* hdmi glue */
		dai-link-7 {
			sound-dai = <&tohdmitx TOHDMITX_I2S_OUT>;

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

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

&arb {
	status = "okay";
};

&clkc_audio {
	status = "okay";
};

&cec_AO {
	pinctrl-0 = <&cec_ao_a_h_pins>;
	pinctrl-names = "default";
	status = "disabled";
	hdmi-phandle = <&hdmi_tx>;
};

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

&cpu_thermal {
	trips {
		cpu_active: cpu-active {
			temperature = <80000>; /* millicelsius */
			hysteresis = <2000>; /* millicelsius */
			type = "active";
		};
	};

	cooling-maps {
		map {
			trip = <&cpu_active>;
			cooling-device = <&khadas_mcu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
		};
	};
};

&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>;
};

&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-supply = <&vcc_5v>;
};

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

&i2c_AO {
	status = "okay";
	pinctrl-0 = <&i2c_ao_sck_pins>, <&i2c_ao_sda_pins>;
	pinctrl-names = "default";

	khadas_mcu: system-controller@18 {
		compatible = "khadas,mcu";
		reg = <0x18>;
		#cooling-cells = <2>;
	};

	gpio_expander: gpio-controller@20 {
		compatible = "ti,tca6408";
		reg = <0x20>;
		vcc-supply = <&vcc_3v3>;
		gpio-controller;
		#gpio-cells = <2>;
	};

	rtc: rtc@51 {
		compatible = "haoyu,hym8563";
		reg = <0x51>;
		#clock-cells = <0>;
	};
};

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

&pcie {
	reset-gpios = <&gpio GPIOA_8 GPIO_ACTIVE_LOW>;
};

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

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

/* SDIO */
&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>;
	cap-sd-highspeed;
	max-frequency = <100000000>;

	non-removable;
	disable-wp;

	/* WiFi firmware requires power to be kept while in suspend */
	keep-power-in-suspend;

	mmc-pwrseq = <&sdio_pwrseq>;

	vmmc-supply = <&vsys_3v3>;
	vqmmc-supply = <&vddao_1v8>;

	brcmf: wifi@1 {
		reg = <1>;
		compatible = "brcm,bcm4329-fmac";
	};
};

/* 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 = <50000000>;
	disable-wp;

	cd-gpios = <&gpio GPIOC_6 GPIO_ACTIVE_LOW>;
	vmmc-supply = <&vsys_3v3>;
	vqmmc-supply = <&vsys_3v3>;
};

/* 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 = <&emmc_1v8>;
};

/*
 * EMMC_D4, EMMC_D5, EMMC_D6 and EMMC_D7 pins are shared between SPI NOR CS
 * and eMMC Data 4 to 7 pins.
 * Replace emmc_data_8b_pins to emmc_data_4b_pins from sd_emmc_c pinctrl-0,
 * and change bus-width to 4 then spifc can be enabled.
 */
&spifc {
	status = "disabled";
	pinctrl-0 = <&nor_pins>;
	pinctrl-names = "default";

	w25q128: spi-flash@0 {
		#address-cells = <1>;
		#size-cells = <1>;
		compatible = "winbond,w25q128fw", "jedec,spi-nor";
		reg = <0>;
		spi-max-frequency = <104000000>;
	};
};

&tdmif_a {
	status = "okay";
};

&tdmin_a {
	status = "okay";
};

&tdmout_a {
	status = "okay";
};

&toddr_a {
	status = "okay";
};

&toddr_b {
	status = "okay";
};

&toddr_c {
	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 = "brcm,bcm43438-bt";
		shutdown-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>;
		max-speed = <2000000>;
		clocks = <&wifi32k>;
		clock-names = "lpo";
	};
};

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

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

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

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

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