arch/arm/boot/dts/meson8b-ec100.dts - linux - Git at Google

 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
 /*
  * Copyright (c) 2018 Martin Blumenstingl <martin.blumenstingl@googlemail.com>.
  */

 /dts-v1/;

 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/input/input.h>

 #include "meson8b.dtsi"

 / {
 	model = "Endless Computers Endless Mini";
 	compatible = "endless,ec100", "amlogic,meson8b";

 	aliases {
 		serial0 = &uart_AO;
 	};

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

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

 	emmc_pwrseq: emmc-pwrseq {
 		compatible = "mmc-pwrseq-emmc";
 		reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
 	};

 	gpio-keys {
 		compatible = "gpio-keys-polled";
 		#address-cells = <1>;
 		#size-cells = <0>;
 		poll-interval = <100>;

 		pal-switch {
 			label = "pal";
 			linux,input-type = <EV_SW>;
 			linux,code = <KEY_SWITCHVIDEOMODE>;
 			gpios = <&gpio GPIOH_7 GPIO_ACTIVE_LOW>;
 		};

 		ntsc-switch {
 			label = "ntsc";
 			linux,input-type = <EV_SW>;
 			linux,code = <KEY_SWITCHVIDEOMODE>;
 			gpios = <&gpio GPIOH_8 GPIO_ACTIVE_HIGH>;
 		};

 		power-button {
 			label = "power";
 			linux,code = <KEY_POWER>;
 			gpios = <&gpio GPIOH_9 GPIO_ACTIVE_LOW>;
 		};
 	};

 	gpio-poweroff {
 		compatible = "gpio-poweroff";
 		/*
 		 * shutdown is managed by the EC (embedded micro-controller)
 		 * which is configured through GPIOAO_2 (poweroff GPIO) and
 		 * GPIOAO_7 (power LED, which has to go LOW as well).
 		 */
 		gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_LOW>;
 		timeout-ms = <20000>;
 	};

 	leds {
 		compatible = "gpio-leds";

 		power {
 			label = "ec100:red:power";
 			/*
 			 * Needs to go LOW (together with the poweroff GPIO)
 			 * during shutdown to allow the EC (embedded
 			 * micro-controller) to shutdown the system. Setting
 			 * the output to LOW signals the EC to start a
 			 * "breathing"/pulsing effect until the power is fully
 			 * turned off.
 			 */
 			gpios = <&gpio_ao GPIOAO_7 GPIO_ACTIVE_HIGH>;
 			default-state = "on";
 		};
 	};

 	rtc32k_xtal: rtc32k-xtal-clk {
 		/* X2 in the schematics */
 		compatible = "fixed-clock";
 		clock-frequency = <32768>;
 		clock-output-names = "RTC32K";
 		#clock-cells = <0>;
 	};

 	sound {
 		compatible = "amlogic,gx-sound-card";
 		model = "M8B-EC100";

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

 		dai-link-0 {
 			sound-dai = <&aiu AIU_CPU CPU_I2S_FIFO>;
 		};

 		dai-link-1 {
 			sound-dai = <&aiu AIU_CPU CPU_I2S_ENCODER>;
 			dai-format = "i2s";
 			mclk-fs = <256>;

 			codec-0 {
 				sound-dai = <&rt5640>;
 			};
 		};
 	};

 	usb_vbus: regulator-usb-vbus {
 		/*
 		 * Silergy SY6288CCAC-GP 2A Power Distribution Switch.
 		 */
 		compatible = "regulator-fixed";

 		regulator-name = "USB_VBUS";

 		regulator-min-microvolt = <5000000>;
 		regulator-max-microvolt = <5000000>;

 		vin-supply = <&vcc_5v>;

 		/*
 		 * signal name from the schematics: USB_PWR_EN
 		 */
 		gpio = <&gpio_ao GPIOAO_5 GPIO_ACTIVE_HIGH>;
 		enable-active-high;
 	};

 	vcc_5v: regulator-vcc5v {
 		/*
 		 * supplied by the main power input which called PWR_5V_STB
 		 * in the schematics
 		 */
 		compatible = "regulator-fixed";

 		regulator-name = "VCC5V";

 		regulator-min-microvolt = <5000000>;
 		regulator-max-microvolt = <5000000>;

 		/*
 		 * signal name from the schematics: 3V3_5V_EN
 		 */
 		gpio = <&gpio GPIODV_29 GPIO_ACTIVE_LOW>;

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

 	vcck: regulator-vcck {
 		/*
 		 * Silergy SY8089AAC-GP 2A continuous, 3A peak, 1MHz
 		 * Synchronous Step Down Regulator.
 		 */
 		compatible = "pwm-regulator";

 		regulator-name = "VCCK";
 		regulator-min-microvolt = <860000>;
 		regulator-max-microvolt = <1140000>;

 		pwm-supply = <&vcc_5v>;

 		pwms = <&pwm_cd 0 1148 0>;
 		pwm-dutycycle-range = <100 0>;

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

 	vcc_1v8: regulator-vcc1v8 {
 		/*
 		 * ABLIC S-1339D18-M5001-GP
 		 */
 		compatible = "regulator-fixed";

 		regulator-name = "VCC1V8";
 		regulator-min-microvolt = <1800000>;
 		regulator-max-microvolt = <1800000>;

 		vin-supply = <&vcc_3v3>;
 	};

 	vcc_3v3: regulator-vcc3v3 {
 		/*
 		 * Silergy SY8089AAC-GP 2A continuous, 3A peak, 1MHz
 		 * Synchronous Step Down Regulator. Also called
 		 * VDDIO_AO3.3V in the schematics.
 		 */
 		compatible = "regulator-fixed";

 		regulator-name = "VCC3V3";
 		regulator-min-microvolt = <3300000>;
 		regulator-max-microvolt = <3300000>;

 		vin-supply = <&vcc_5v>;
 	};

 	vcc_ddr3: regulator-vcc-ddr3 {
 		/*
 		 * Silergy SY8089AAC-GP 2A continuous, 3A peak, 1MHz
 		 * Synchronous Step Down Regulator. Also called
 		 * DDR3_1.5V in the schematics.
 		 */
 		compatible = "regulator-fixed";

 		regulator-name = "VCC_DDR3_1V5";
 		regulator-min-microvolt = <1500000>;
 		regulator-max-microvolt = <1500000>;

 		vin-supply = <&vcc_5v>;

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

 	vcc_rtc: regulator-vcc-rtc {
 		/*
 		 * Global Mixed-mode Technology Inc. G918T12U-GP
 		 */
 		compatible = "regulator-fixed";

 		regulator-name = "VCC_RTC";
 		regulator-min-microvolt = <900000>;
 		regulator-max-microvolt = <900000>;

 		/*
 		 * When the board is powered then the input is VCC3V3,
 		 * otherwise power is taken from the coin cell battery.
 		 */
 		vin-supply = <&vcc_3v3>;
 	};

 	vddee: regulator-vddee {
 		/*
 		 * Silergy SY8089AAC-GP 2A continuous, 3A peak, 1MHz
 		 * Synchronous Step Down Regulator. Also called VDDAO
 		 * in a part of the schematics.
 		 */
 		compatible = "pwm-regulator";

 		regulator-name = "VDDEE";
 		regulator-min-microvolt = <860000>;
 		regulator-max-microvolt = <1140000>;

 		pwm-supply = <&vcc_5v>;

 		pwms = <&pwm_cd 1 1148 0>;
 		pwm-dutycycle-range = <100 0>;

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

 &aiu {
 	status = "okay";

 	pinctrl-0 = <&i2s_am_clk_pins>, <&i2s_out_ao_clk_pins>,
 		    <&i2s_out_lr_clk_pins>, <&i2s_out_ch01_ao_pins>;
 	pinctrl-names = "default";
 };

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

 &ethmac {
 	status = "okay";

 	pinctrl-0 = <&eth_rmii_pins>;
 	pinctrl-names = "default";

 	phy-handle = <&eth_phy0>;
 	phy-mode = "rmii";

 	mdio {
 		compatible = "snps,dwmac-mdio";
 		#address-cells = <1>;
 		#size-cells = <0>;

 		eth_phy0: ethernet-phy@0 {
 			/* IC Plus IP101A/G (0x02430c54) */
 			reg = <0>;

 			reset-assert-us = <10000>;
 			reset-deassert-us = <10000>;
 			reset-gpios = <&gpio GPIOH_4 GPIO_ACTIVE_LOW>;

 			icplus,select-interrupt;
 			interrupt-parent = <&gpio_intc>;
 			/* GPIOH_3 */
 			interrupts = <17 IRQ_TYPE_LEVEL_LOW>;
 		};
 	};
 };

 &i2c_A {
 	status = "okay";
 	pinctrl-0 = <&i2c_a_pins>;
 	pinctrl-names = "default";

 	rt5640: codec@1c {
 		compatible = "realtek,rt5640";

 		reg = <0x1c>;

 		#sound-dai-cells = <0>;

 		interrupt-parent = <&gpio_intc>;
 		interrupts = <13 IRQ_TYPE_EDGE_BOTH>; /* GPIOAO_13 */

 		/*
 		 * TODO: realtek,ldo1-en-gpios is connected to GPIO_BSD_EN.
 		 * We currently cannot configure this pin correctly.
 		 * Luckily for us it's in the "right" state by default.
 		 */
 		realtek,in1-differential;
 	};
 };

 &mali {
 	mali-supply = <&vddee>;
 };

 &saradc {
 	status = "okay";
 	vref-supply = <&vcc_1v8>;
 };

 &sdhc {
 	status = "okay";

 	pinctrl-0 = <&sdxc_c_pins>;
 	pinctrl-names = "default";

 	bus-width = <8>;
 	max-frequency = <50000000>;

 	cap-mmc-highspeed;
 	disable-wp;
 	non-removable;
 	no-sdio;

 	mmc-pwrseq = <&emmc_pwrseq>;

 	vmmc-supply = <&vcc_3v3>;
 	vqmmc-supply = <&vcc_3v3>;
 };

 &sdio {
 	status = "okay";

 	pinctrl-0 = <&sd_b_pins>;
 	pinctrl-names = "default";

 	/* SD card */
 	sd_card_slot: slot@1 {
 		compatible = "mmc-slot";
 		reg = <1>;
 		status = "okay";

 		bus-width = <4>;
 		no-sdio;
 		cap-mmc-highspeed;
 		cap-sd-highspeed;
 		disable-wp;

 		cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;

 		vmmc-supply = <&vcc_3v3>;
 	};
 };

 &gpio_ao {
 	gpio-line-names = "Linux_TX", "Linux_RX",
 			  "SLP_S5_N", "USB2_OC_FLAG#",
 			  "HUB_RST", "USB_PWR_EN",
 			  "I2S_IN", "SLP_S1_N",
 			  "TCK", "TMS", "TDI", "TDO",
 			  "HDMI_CEC", "5640_IRQ",
 			  "MUTE", "S805_TEST#";
 };

 &gpio {
 	gpio-line-names = /* Bank GPIOX */
 			  "WIFI_SD_D0", "WIFI_SD_D1", "WIFI_SD_D2",
 			  "WIFI_SD_D3", "BTPCM_DOUT", "BTPCM_DIN",
 			  "BTPCM_SYNC", "BTPCM_CLK", "WIFI_SD_CLK",
 			  "WIFI_SD_CMD", "WIFI_32K", "WIFI_PWREN",
 			  "UART_B_TX", "UART_B_RX", "UART_B_CTS_N",
 			  "UART_B_RTS_N", "BT_EN", "WIFI_WAKE_HOST",
 			  /* Bank GPIOY */
 			  "", "", "", "", "", "", "", "", "", "",
 			  "", "",
 			  /* Bank GPIODV */
 			  "VCCK_PWM_C", "I2C_SDA_A", "I2C_SCL_A",
 			  "I2C_SDA_B", "I2C_SCL_B", "VDDEE_PWM_D",
 			  "VDDEE_PWM 3V3_5V_EN",
 			  /* Bank GPIOH */
 			  "HDMI_HPD", "HDMI_I2C_SDA", "HDMI_I2C_SCL",
 			  "RMII_IRQ", "RMII_RST#", "RMII_TXD1",
 			  "RMII_TXD0", "AV_select_1", "AV_select_2",
 			  "MCU_Control_S",
 			  /* Bank CARD */
 			  "SD_D1_B", "SD_D0_B", "SD_CLK_8726MX",
 			  "SD_CMD_8726MX", "SD_D3_B", "SD_D2_B",
 			  "CARD_EN_DET (CARD_DET)",
 			  /* Bank BOOT */
 			  "NAND_D0 (EMMC)", "NAND_D1 (EMMC)",
 			  "NAND_D2 (EMMC)", "NAND_D3 (EMMC)",
 			  "NAND_D4 (EMMC)", "NAND_D5 (EMMC)",
 			  "NAND_D6 (EMMC)", "NAND_D7 (EMMC)",
 			  "NAND_CS1 (EMMC)", "NAND_CS2 iNAND_RS1 (EMMC)",
 			  "NAND_nR/B iNAND_CMD (EMMC)", "NAND_ALE (EMMC)",
 			  "NAND_CLE (EMMC)", "nRE_S1 NAND_nRE (EMMC)",
 			  "nWE_S1 NAND_nWE (EMMC)",  "", "", "SPI_CS",
 			  /* Bank DIF */
 			  "RMII_RXD1", "RMII_RXD0", "RMII_CRS_DV",
 			  "RMII_50M_IN", "GPIODIF_4", "GPIODIF_5",
 			  "RMII_TXEN", "CPUETH_25MOUT", "RMII_MDC",
 			  "RMII_MDIO";
 };

 &pwm_cd {
 	status = "okay";
 	pinctrl-0 = <&pwm_c1_pins>, <&pwm_d_pins>;
 	pinctrl-names = "default";
 	clocks = <&xtal>, <&xtal>;
 	clock-names = "clkin0", "clkin1";
 };

 &rtc {
 	status = "okay";
 	clocks = <&rtc32k_xtal>;
 	vdd-supply = <&vcc_rtc>;
 };

 /* exposed through the pin headers labeled "URDUG1" on the top of the PCB */
 &uart_AO {
 	status = "okay";
 	pinctrl-0 = <&uart_ao_a_pins>;
 	pinctrl-names = "default";
 };

 /*
  * connected to the Bluetooth part of the RTL8723BS SDIO wifi / Bluetooth
  * combo chip. This is only available on the variant with 2GB RAM.
  */
 &uart_B {
 	status = "okay";
 	pinctrl-0 = <&uart_b0_pins>, <&uart_b0_cts_rts_pins>;
 	pinctrl-names = "default";
 	uart-has-rtscts;
 };

 &usb1 {
 	status = "okay";
 	vbus-supply = <&usb_vbus>;
 };

 &usb1_phy {
 	status = "okay";
 };
	// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
	/*
	* Copyright (c) 2018 Martin Blumenstingl <martin.blumenstingl@googlemail.com>.
	*/

	/dts-v1/;

	#include <dt-bindings/gpio/gpio.h>
	#include <dt-bindings/input/input.h>

	#include "meson8b.dtsi"

	/ {
	model = "Endless Computers Endless Mini";
	compatible = "endless,ec100", "amlogic,meson8b";

	aliases {
	serial0 = &uart_AO;
	};

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

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

	emmc_pwrseq: emmc-pwrseq {
	compatible = "mmc-pwrseq-emmc";
	reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
	};

	gpio-keys {
	compatible = "gpio-keys-polled";
	#address-cells = <1>;
	#size-cells = <0>;
	poll-interval = <100>;

	pal-switch {
	label = "pal";
	linux,input-type = <EV_SW>;
	linux,code = <KEY_SWITCHVIDEOMODE>;
	gpios = <&gpio GPIOH_7 GPIO_ACTIVE_LOW>;
	};

	ntsc-switch {
	label = "ntsc";
	linux,input-type = <EV_SW>;
	linux,code = <KEY_SWITCHVIDEOMODE>;
	gpios = <&gpio GPIOH_8 GPIO_ACTIVE_HIGH>;
	};

	power-button {
	label = "power";
	linux,code = <KEY_POWER>;
	gpios = <&gpio GPIOH_9 GPIO_ACTIVE_LOW>;
	};
	};

	gpio-poweroff {
	compatible = "gpio-poweroff";
	/*
	* shutdown is managed by the EC (embedded micro-controller)
	* which is configured through GPIOAO_2 (poweroff GPIO) and
	* GPIOAO_7 (power LED, which has to go LOW as well).
	*/
	gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_LOW>;
	timeout-ms = <20000>;
	};

	leds {
	compatible = "gpio-leds";

	power {
	label = "ec100:red:power";
	/*
	* Needs to go LOW (together with the poweroff GPIO)
	* during shutdown to allow the EC (embedded
	* micro-controller) to shutdown the system. Setting
	* the output to LOW signals the EC to start a
	* "breathing"/pulsing effect until the power is fully
	* turned off.
	*/
	gpios = <&gpio_ao GPIOAO_7 GPIO_ACTIVE_HIGH>;
	default-state = "on";
	};
	};

	rtc32k_xtal: rtc32k-xtal-clk {
	/* X2 in the schematics */
	compatible = "fixed-clock";
	clock-frequency = <32768>;
	clock-output-names = "RTC32K";
	#clock-cells = <0>;
	};

	sound {
	compatible = "amlogic,gx-sound-card";
	model = "M8B-EC100";

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

	dai-link-0 {
	sound-dai = <&aiu AIU_CPU CPU_I2S_FIFO>;
	};

	dai-link-1 {
	sound-dai = <&aiu AIU_CPU CPU_I2S_ENCODER>;
	dai-format = "i2s";
	mclk-fs = <256>;

	codec-0 {
	sound-dai = <&rt5640>;
	};
	};
	};

	usb_vbus: regulator-usb-vbus {
	/*
	* Silergy SY6288CCAC-GP 2A Power Distribution Switch.
	*/
	compatible = "regulator-fixed";

	regulator-name = "USB_VBUS";

	regulator-min-microvolt = <5000000>;
	regulator-max-microvolt = <5000000>;

	vin-supply = <&vcc_5v>;

	/*
	* signal name from the schematics: USB_PWR_EN
	*/
	gpio = <&gpio_ao GPIOAO_5 GPIO_ACTIVE_HIGH>;
	enable-active-high;
	};

	vcc_5v: regulator-vcc5v {
	/*
	* supplied by the main power input which called PWR_5V_STB
	* in the schematics
	*/
	compatible = "regulator-fixed";

	regulator-name = "VCC5V";

	regulator-min-microvolt = <5000000>;
	regulator-max-microvolt = <5000000>;

	/*
	* signal name from the schematics: 3V3_5V_EN
	*/
	gpio = <&gpio GPIODV_29 GPIO_ACTIVE_LOW>;

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

	vcck: regulator-vcck {
	/*
	* Silergy SY8089AAC-GP 2A continuous, 3A peak, 1MHz
	* Synchronous Step Down Regulator.
	*/
	compatible = "pwm-regulator";

	regulator-name = "VCCK";
	regulator-min-microvolt = <860000>;
	regulator-max-microvolt = <1140000>;

	pwm-supply = <&vcc_5v>;

	pwms = <&pwm_cd 0 1148 0>;
	pwm-dutycycle-range = <100 0>;

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

	vcc_1v8: regulator-vcc1v8 {
	/*
	* ABLIC S-1339D18-M5001-GP
	*/
	compatible = "regulator-fixed";

	regulator-name = "VCC1V8";
	regulator-min-microvolt = <1800000>;
	regulator-max-microvolt = <1800000>;

	vin-supply = <&vcc_3v3>;
	};

	vcc_3v3: regulator-vcc3v3 {
	/*
	* Silergy SY8089AAC-GP 2A continuous, 3A peak, 1MHz
	* Synchronous Step Down Regulator. Also called
	* VDDIO_AO3.3V in the schematics.
	*/
	compatible = "regulator-fixed";

	regulator-name = "VCC3V3";
	regulator-min-microvolt = <3300000>;
	regulator-max-microvolt = <3300000>;

	vin-supply = <&vcc_5v>;
	};

	vcc_ddr3: regulator-vcc-ddr3 {
	/*
	* Silergy SY8089AAC-GP 2A continuous, 3A peak, 1MHz
	* Synchronous Step Down Regulator. Also called
	* DDR3_1.5V in the schematics.
	*/
	compatible = "regulator-fixed";

	regulator-name = "VCC_DDR3_1V5";
	regulator-min-microvolt = <1500000>;
	regulator-max-microvolt = <1500000>;

	vin-supply = <&vcc_5v>;

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

	vcc_rtc: regulator-vcc-rtc {
	/*
	* Global Mixed-mode Technology Inc. G918T12U-GP
	*/
	compatible = "regulator-fixed";

	regulator-name = "VCC_RTC";
	regulator-min-microvolt = <900000>;
	regulator-max-microvolt = <900000>;

	/*
	* When the board is powered then the input is VCC3V3,
	* otherwise power is taken from the coin cell battery.
	*/
	vin-supply = <&vcc_3v3>;
	};

	vddee: regulator-vddee {
	/*
	* Silergy SY8089AAC-GP 2A continuous, 3A peak, 1MHz
	* Synchronous Step Down Regulator. Also called VDDAO
	* in a part of the schematics.
	*/
	compatible = "pwm-regulator";

	regulator-name = "VDDEE";
	regulator-min-microvolt = <860000>;
	regulator-max-microvolt = <1140000>;

	pwm-supply = <&vcc_5v>;

	pwms = <&pwm_cd 1 1148 0>;
	pwm-dutycycle-range = <100 0>;

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

	&aiu {
	status = "okay";

	pinctrl-0 = <&i2s_am_clk_pins>, <&i2s_out_ao_clk_pins>,
	<&i2s_out_lr_clk_pins>, <&i2s_out_ch01_ao_pins>;
	pinctrl-names = "default";
	};

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

	&ethmac {
	status = "okay";

	pinctrl-0 = <&eth_rmii_pins>;
	pinctrl-names = "default";

	phy-handle = <&eth_phy0>;
	phy-mode = "rmii";

	mdio {
	compatible = "snps,dwmac-mdio";
	#address-cells = <1>;
	#size-cells = <0>;

	eth_phy0: ethernet-phy@0 {
	/* IC Plus IP101A/G (0x02430c54) */
	reg = <0>;

	reset-assert-us = <10000>;
	reset-deassert-us = <10000>;
	reset-gpios = <&gpio GPIOH_4 GPIO_ACTIVE_LOW>;

	icplus,select-interrupt;
	interrupt-parent = <&gpio_intc>;
	/* GPIOH_3 */
	interrupts = <17 IRQ_TYPE_LEVEL_LOW>;
	};
	};
	};

	&i2c_A {
	status = "okay";
	pinctrl-0 = <&i2c_a_pins>;
	pinctrl-names = "default";

	rt5640: codec@1c {
	compatible = "realtek,rt5640";

	reg = <0x1c>;

	#sound-dai-cells = <0>;

	interrupt-parent = <&gpio_intc>;
	interrupts = <13 IRQ_TYPE_EDGE_BOTH>; /* GPIOAO_13 */

	/*
	* TODO: realtek,ldo1-en-gpios is connected to GPIO_BSD_EN.
	* We currently cannot configure this pin correctly.
	* Luckily for us it's in the "right" state by default.
	*/
	realtek,in1-differential;
	};
	};

	&mali {
	mali-supply = <&vddee>;
	};

	&saradc {
	status = "okay";
	vref-supply = <&vcc_1v8>;
	};

	&sdhc {
	status = "okay";

	pinctrl-0 = <&sdxc_c_pins>;
	pinctrl-names = "default";

	bus-width = <8>;
	max-frequency = <50000000>;

	cap-mmc-highspeed;
	disable-wp;
	non-removable;
	no-sdio;

	mmc-pwrseq = <&emmc_pwrseq>;

	vmmc-supply = <&vcc_3v3>;
	vqmmc-supply = <&vcc_3v3>;
	};

	&sdio {
	status = "okay";

	pinctrl-0 = <&sd_b_pins>;
	pinctrl-names = "default";

	/* SD card */
	sd_card_slot: slot@1 {
	compatible = "mmc-slot";
	reg = <1>;
	status = "okay";

	bus-width = <4>;
	no-sdio;
	cap-mmc-highspeed;
	cap-sd-highspeed;
	disable-wp;

	cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;

	vmmc-supply = <&vcc_3v3>;
	};
	};

	&gpio_ao {
	gpio-line-names = "Linux_TX", "Linux_RX",
	"SLP_S5_N", "USB2_OC_FLAG#",
	"HUB_RST", "USB_PWR_EN",
	"I2S_IN", "SLP_S1_N",
	"TCK", "TMS", "TDI", "TDO",
	"HDMI_CEC", "5640_IRQ",
	"MUTE", "S805_TEST#";
	};

	&gpio {
	gpio-line-names = /* Bank GPIOX */
	"WIFI_SD_D0", "WIFI_SD_D1", "WIFI_SD_D2",
	"WIFI_SD_D3", "BTPCM_DOUT", "BTPCM_DIN",
	"BTPCM_SYNC", "BTPCM_CLK", "WIFI_SD_CLK",
	"WIFI_SD_CMD", "WIFI_32K", "WIFI_PWREN",
	"UART_B_TX", "UART_B_RX", "UART_B_CTS_N",
	"UART_B_RTS_N", "BT_EN", "WIFI_WAKE_HOST",
	/* Bank GPIOY */
	"", "", "", "", "", "", "", "", "", "",
	"", "",
	/* Bank GPIODV */
	"VCCK_PWM_C", "I2C_SDA_A", "I2C_SCL_A",
	"I2C_SDA_B", "I2C_SCL_B", "VDDEE_PWM_D",
	"VDDEE_PWM 3V3_5V_EN",
	/* Bank GPIOH */
	"HDMI_HPD", "HDMI_I2C_SDA", "HDMI_I2C_SCL",
	"RMII_IRQ", "RMII_RST#", "RMII_TXD1",
	"RMII_TXD0", "AV_select_1", "AV_select_2",
	"MCU_Control_S",
	/* Bank CARD */
	"SD_D1_B", "SD_D0_B", "SD_CLK_8726MX",
	"SD_CMD_8726MX", "SD_D3_B", "SD_D2_B",
	"CARD_EN_DET (CARD_DET)",
	/* Bank BOOT */
	"NAND_D0 (EMMC)", "NAND_D1 (EMMC)",
	"NAND_D2 (EMMC)", "NAND_D3 (EMMC)",
	"NAND_D4 (EMMC)", "NAND_D5 (EMMC)",
	"NAND_D6 (EMMC)", "NAND_D7 (EMMC)",
	"NAND_CS1 (EMMC)", "NAND_CS2 iNAND_RS1 (EMMC)",
	"NAND_nR/B iNAND_CMD (EMMC)", "NAND_ALE (EMMC)",
	"NAND_CLE (EMMC)", "nRE_S1 NAND_nRE (EMMC)",
	"nWE_S1 NAND_nWE (EMMC)", "", "", "SPI_CS",
	/* Bank DIF */
	"RMII_RXD1", "RMII_RXD0", "RMII_CRS_DV",
	"RMII_50M_IN", "GPIODIF_4", "GPIODIF_5",
	"RMII_TXEN", "CPUETH_25MOUT", "RMII_MDC",
	"RMII_MDIO";
	};

	&pwm_cd {
	status = "okay";
	pinctrl-0 = <&pwm_c1_pins>, <&pwm_d_pins>;
	pinctrl-names = "default";
	clocks = <&xtal>, <&xtal>;
	clock-names = "clkin0", "clkin1";
	};

	&rtc {
	status = "okay";
	clocks = <&rtc32k_xtal>;
	vdd-supply = <&vcc_rtc>;
	};

	/* exposed through the pin headers labeled "URDUG1" on the top of the PCB */
	&uart_AO {
	status = "okay";
	pinctrl-0 = <&uart_ao_a_pins>;
	pinctrl-names = "default";
	};

	/*
	* connected to the Bluetooth part of the RTL8723BS SDIO wifi / Bluetooth
	* combo chip. This is only available on the variant with 2GB RAM.
	*/
	&uart_B {
	status = "okay";
	pinctrl-0 = <&uart_b0_pins>, <&uart_b0_cts_rts_pins>;
	pinctrl-names = "default";
	uart-has-rtscts;
	};

	&usb1 {
	status = "okay";
	vbus-supply = <&usb_vbus>;
	};

	&usb1_phy {
	status = "okay";
	};