u-boot/arch/arm/dts/meson-sm1-sei610.dts

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Copyright (c) 2019 BayLibre SAS. All rights reserved.
 */

/dts-v1/;

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

/ {
	compatible = "seirobotics,sei610", "amlogic,sm1";
	model = "SEI Robotics SEI610";

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

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

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

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

		key1 {
			label = "A";
			linux,code = <BTN_0>;
			gpios = <&gpio GPIOH_6 GPIO_ACTIVE_LOW>;
		};

		key2 {
			label = "B";
			linux,code = <BTN_1>;
			gpios = <&gpio GPIOH_7 GPIO_ACTIVE_LOW>;
		};

		key3 {
			label = "C";
			linux,code = <BTN_2>;
			gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_LOW>;
		};
	};

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

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

	leds {
		compatible = "gpio-leds";

		bluetooth {
			label = "sei610:blue:bt";
			gpios = <&gpio GPIOC_7 (GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN)>;
			default-state = "off";
		};
	};

	pwmleds {
		compatible = "pwm-leds";

		power {
			label = "sei610:red:power";
			pwms = <&pwm_AO_ab 0 30518 0>;
			max-brightness = <255>;
			linux,default-trigger = "default-on";
			active-low;
		};
	};

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

	ao_5v: regulator-ao_5v {
		compatible = "regulator-fixed";
		regulator-name = "AO_5V";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		vin-supply = <&dc_in>;
		regulator-always-on;
	};

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

	emmc_1v8: regulator-emmc_1v8 {
		compatible = "regulator-fixed";
		regulator-name = "EMMC_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 = <&dc_in>;
		regulator-always-on;
	};

	/* Used by Tuner, RGB Led & IR Emitter LED array */
	vddao_3v3_t: regulator-vddao_3v3_t {
		compatible = "regulator-fixed";
		regulator-name = "VDDAO_3V3_T";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		vin-supply = <&vddao_3v3>;
		gpio = <&gpio GPIOH_8 GPIO_OPEN_DRAIN>;
		enable-active-low;
		regulator-always-on;
	};

	vddcpu: regulator-vddcpu {
		/*
		 * SY8120B1ABC DC/DC Regulator.
		 */
		compatible = "pwm-regulator";

		regulator-name = "VDDCPU";
		regulator-min-microvolt = <690000>;
		regulator-max-microvolt = <1050000>;

		vin-supply = <&dc_in>;

		pwms = <&pwm_AO_cd 1 1500 0>;
		pwm-dutycycle-range = <100 0>;

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

	vddio_ao1v8: regulator-vddio_ao1v8 {
		compatible = "regulator-fixed";
		regulator-name = "VDDIO_AO1V8";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
		vin-supply = <&vddao_3v3>;
		regulator-always-on;
	};

	reserved-memory {
		/* TEE Reserved Memory */
		bl32_reserved: bl32@5000000 {
			reg = <0x0 0x05300000 0x0 0x2000000>;
			no-map;
		};
	};

	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 */
	};
};

&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>;
};

&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>;
};

&ethmac {
	status = "okay";
	phy-handle = <&internal_ephy>;
	phy-mode = "rmii";
};

&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>;
	};
};

&i2c3 {
	status = "okay";
	pinctrl-0 = <&i2c3_sda_a_pins>, <&i2c3_sck_a_pins>;
	pinctrl-names = "default";
};

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

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

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

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

&saradc {
	status = "okay";
	vref-supply = <&vddio_ao1v8>;
};

/* 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;
	sd-uhs-sdr50;
	max-frequency = <100000000>;

	non-removable;
	disable-wp;

	mmc-pwrseq = <&sdio_pwrseq>;

	vmmc-supply = <&vddao_3v3>;
	vqmmc-supply = <&vddio_ao1v8>;

	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 = <&vddao_3v3>;
	vqmmc-supply = <&vddao_3v3>;
};

/* eMMC */
&sd_emmc_c {
	status = "okay";
	pinctrl-0 = <&emmc_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>;
	non-removable;
	disable-wp;

	mmc-pwrseq = <&emmc_pwrseq>;
	vmmc-supply = <&vddao_3v3>;
	vqmmc-supply = <&emmc_1v8>;
};

&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";
		vbat-supply = <&vddao_3v3>;
		vddio-supply = <&vddio_ao1v8>;
	};
};

/* Exposed via the on-board USB to Serial FT232RL IC */
&uart_AO {
	status = "okay";
	pinctrl-0 = <&uart_ao_a_pins>;
	pinctrl-names = "default";
};

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