WhyCan Forum(哇酷开发者社区)

 USB Physical Layer drivers  ---> 
<*> NOP USB Transceiver Driver

 

  USB Physical Layer drivers  ---> 
  | +-------------------------------------------------------------------------------------------------------------+ |
  | |                   <*> NOP USB Transceiver Driver                                                            | |
  | |                   < > AM335x USB PHY Driver                                                                 | |
  | |                   < > GPIO based peripheral-only VBUS sensing 'transceiver'                                 | |
  | |                   < > NXP ISP1301 USB transceiver support                                                   | |
  | |                   [ ] Generic ULPI Transceiver Driver                                                       | |
  | |                                                          

&usbphy {
	usb0_id_det-gpio = <&pio 5 6 GPIO_ACTIVE_HIGH>;
	status = "okay";
};

	data->id_det_gpio = devm_gpiod_get_optional(dev, "usb0_id_det",
						    GPIOD_IN);
	if (IS_ERR(data->id_det_gpio)) {
		dev_err(dev, "Couldn't request ID GPIO\n");
		return PTR_ERR(data->id_det_gpio);
	}

/*
 * Copyright (C) 2016 Icenowy Zheng <icenowy@aosc.xyz>
 *
 * This file is dual-licensed: you can use it either under the terms
 * of the GPL or the X11 license, at your option. Note that this dual
 * licensing only applies to this file, and not this project as a
 * whole.
 *
 *  a) This file is free software; you can redistribute it and/or
 *     modify it under the terms of the GNU General Public License as
 *     published by the Free Software Foundation; either version 2 of the
 *     License, or (at your option) any later version.
 *
 *     This file is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 * Or, alternatively,
 *
 *  b) Permission is hereby granted, free of charge, to any person
 *     obtaining a copy of this software and associated documentation
 *     files (the "Software"), to deal in the Software without
 *     restriction, including without limitation the rights to use,
 *     copy, modify, merge, publish, distribute, sublicense, and/or
 *     sell copies of the Software, and to permit persons to whom the
 *     Software is furnished to do so, subject to the following
 *     conditions:
 *
 *     The above copyright notice and this permission notice shall be
 *     included in all copies or substantial portions of the Software.
 *
 *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 *     OTHER DEALINGS IN THE SOFTWARE.
 */

/dts-v1/;
#include "sun8i-v3s.dtsi"
#include "sunxi-common-regulators.dtsi"

/ {
	model = "Lichee Pi Zero";
	compatible = "licheepi,licheepi-zero", "allwinner,sun8i-v3s";

	aliases {
		serial0 = &uart0;
	};

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

	leds {
		compatible = "gpio-leds";

		blue_led {
			label = "licheepi:blue:usr";
			gpios = <&pio 6 1 GPIO_ACTIVE_LOW>; /* PG1 */
		};

		green_led {
			label = "licheepi:green:usr";
			gpios = <&pio 6 0 GPIO_ACTIVE_LOW>; /* PG0 */
			default-state = "on";
		};

		red_led {
			label = "licheepi:red:usr";
			gpios = <&pio 6 2 GPIO_ACTIVE_LOW>; /* PG2 */
		};
	};
};

&mmc0 {
	pinctrl-0 = <&mmc0_pins>;
	pinctrl-names = "default";
	broken-cd;
	bus-width = <4>;
	vmmc-supply = <&reg_vcc3v3>;
	status = "okay";
};

&uart0 {
	pinctrl-0 = <&uart0_pb_pins>;
	pinctrl-names = "default";
	status = "okay";
};

&ehci0 {
	status = "okay";
};

&ohci0 {
	status = "okay";
};

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

&usbphy {
	usb0_id_det-gpio = <&pio 5 6 GPIO_ACTIVE_HIGH>;
	status = "okay";
};

/*
 * Copyright (C) 2016 Icenowy Zheng <icenowy@aosc.xyz>
 *
 * This file is dual-licensed: you can use it either under the terms
 * of the GPL or the X11 license, at your option. Note that this dual
 * licensing only applies to this file, and not this project as a
 * whole.
 *
 *  a) This file is free software; you can redistribute it and/or
 *     modify it under the terms of the GNU General Public License as
 *     published by the Free Software Foundation; either version 2 of the
 *     License, or (at your option) any later version.
 *
 *     This file is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 * Or, alternatively,
 *
 *  b) Permission is hereby granted, free of charge, to any person
 *     obtaining a copy of this software and associated documentation
 *     files (the "Software"), to deal in the Software without
 *     restriction, including without limitation the rights to use,
 *     copy, modify, merge, publish, distribute, sublicense, and/or
 *     sell copies of the Software, and to permit persons to whom the
 *     Software is furnished to do so, subject to the following
 *     conditions:
 *
 *     The above copyright notice and this permission notice shall be
 *     included in all copies or substantial portions of the Software.
 *
 *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 *     OTHER DEALINGS IN THE SOFTWARE.
 */

#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/sun8i-v3s-ccu.h>
#include <dt-bindings/reset/sun8i-v3s-ccu.h>

/ {
	#address-cells = <1>;
	#size-cells = <1>;
	interrupt-parent = <&gic>;

	cpus {
		#address-cells = <1>;
		#size-cells = <0>;

		cpu@0 {
			compatible = "arm,cortex-a7";
			device_type = "cpu";
			reg = <0>;
			clocks = <&ccu CLK_CPU>;
		};
	};

	de: display-engine {
		compatible = "allwinner,sun8i-v3s-display-engine";
		allwinner,pipelines = <&mixer0>;
		status = "disabled";
	};

	timer {
		compatible = "arm,armv7-timer";
		interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
			     <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
			     <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
			     <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
	};

	clocks {
		#address-cells = <1>;
		#size-cells = <1>;
		ranges;

		osc24M: osc24M_clk {
			#clock-cells = <0>;
			compatible = "fixed-clock";
			clock-frequency = <24000000>;
			clock-output-names = "osc24M";
		};

		osc32k: osc32k_clk {
			#clock-cells = <0>;
			compatible = "fixed-clock";
			clock-frequency = <32768>;
			clock-output-names = "osc32k";
		};
	};

	soc {
		compatible = "simple-bus";
		#address-cells = <1>;
		#size-cells = <1>;
		ranges;

		display_clocks: clock@1000000 {
			compatible = "allwinner,sun8i-v3s-de2-clk";
			reg = <0x01000000 0x100000>;
			clocks = <&ccu CLK_DE>,
				 <&ccu CLK_BUS_DE>;
			clock-names = "mod",
				      "bus";
			resets = <&ccu RST_BUS_DE>;
			#clock-cells = <1>;
			#reset-cells = <1>;
		};

		mixer0: mixer@1100000 {
			compatible = "allwinner,sun8i-v3s-de2-mixer";
			reg = <0x01100000 0x100000>;
			clocks = <&display_clocks 0>,
				 <&display_clocks 6>;
			clock-names = "bus",
				      "mod";
			resets = <&display_clocks 0>;
			assigned-clocks = <&display_clocks 6>;
			assigned-clock-rates = <150000000>;

			ports {
				#address-cells = <1>;
				#size-cells = <0>;

				mixer0_out: port@1 {
					#address-cells = <1>;
					#size-cells = <0>;
					reg = <1>;

					mixer0_out_tcon0: endpoint@0 {
						reg = <0>;
						remote-endpoint = <&tcon0_in_mixer0>;
					};
				};
			};
		};

		syscon: syscon@1c00000 {
			compatible = "allwinner,sun8i-v3s-system-controller",
				"syscon";
			reg = <0x01c00000 0x1000>;
		};

		tcon0: lcd-controller@1c0c000 {
			compatible = "allwinner,sun8i-v3s-tcon";
			reg = <0x01c0c000 0x1000>;
			interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&ccu CLK_BUS_TCON0>,
				 <&ccu CLK_TCON0>;
			clock-names = "ahb",
				      "tcon-ch0";
			clock-output-names = "tcon-pixel-clock";
			resets = <&ccu RST_BUS_TCON0>;
			reset-names = "lcd";
			status = "disabled";

			ports {
				#address-cells = <1>;
				#size-cells = <0>;

				tcon0_in: port@0 {
					#address-cells = <1>;
					#size-cells = <0>;
					reg = <0>;

					tcon0_in_mixer0: endpoint@0 {
						reg = <0>;
						remote-endpoint = <&mixer0_out_tcon0>;
					};
				};

				tcon0_out: port@1 {
					#address-cells = <1>;
					#size-cells = <0>;
					reg = <1>;
				};
			};
		};


		dma: dma-controller@01c02000 {
			compatible = "allwinner,sun8i-v3s-dma";
			reg = <0x01c02000 0x1000>;
			interrupts = <GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&ccu CLK_BUS_DMA>;
			resets = <&ccu RST_BUS_DMA>;
			#dma-cells = <1>;
		};

		mmc0: mmc@01c0f000 {
			compatible = "allwinner,sun7i-a20-mmc";
			reg = <0x01c0f000 0x1000>;
			clocks = <&ccu CLK_BUS_MMC0>,
				 <&ccu CLK_MMC0>,
				 <&ccu CLK_MMC0_OUTPUT>,
				 <&ccu CLK_MMC0_SAMPLE>;
			clock-names = "ahb",
				      "mmc",
				      "output",
				      "sample";
			resets = <&ccu RST_BUS_MMC0>;
			reset-names = "ahb";
			interrupts = <GIC_SPI 60 IRQ_TYPE_LEVEL_HIGH>;
			status = "disabled";
			#address-cells = <1>;
			#size-cells = <0>;
		};

		mmc1: mmc@01c10000 {
			compatible = "allwinner,sun7i-a20-mmc";
			reg = <0x01c10000 0x1000>;
			clocks = <&ccu CLK_BUS_MMC1>,
				 <&ccu CLK_MMC1>,
				 <&ccu CLK_MMC1_OUTPUT>,
				 <&ccu CLK_MMC1_SAMPLE>;
			clock-names = "ahb",
				      "mmc",
				      "output",
				      "sample";
			resets = <&ccu RST_BUS_MMC1>;
			reset-names = "ahb";
			interrupts = <GIC_SPI 61 IRQ_TYPE_LEVEL_HIGH>;
			pinctrl-names = "default";
			pinctrl-0 = <&mmc1_pins>;
			status = "disabled";
			#address-cells = <1>;
			#size-cells = <0>;
		};

		mmc2: mmc@01c11000 {
			compatible = "allwinner,sun7i-a20-mmc";
			reg = <0x01c11000 0x1000>;
			clocks = <&ccu CLK_BUS_MMC2>,
				 <&ccu CLK_MMC2>,
				 <&ccu CLK_MMC2_OUTPUT>,
				 <&ccu CLK_MMC2_SAMPLE>;
			clock-names = "ahb",
				      "mmc",
				      "output",
				      "sample";
			resets = <&ccu RST_BUS_MMC2>;
			reset-names = "ahb";
			interrupts = <GIC_SPI 62 IRQ_TYPE_LEVEL_HIGH>;
			status = "disabled";
			#address-cells = <1>;
			#size-cells = <0>;
		};

		usb_otg: usb@01c19000 {
			compatible = "allwinner,sun8i-h3-musb";
			reg = <0x01c19000 0x0400>;
			clocks = <&ccu CLK_BUS_OTG>;
			resets = <&ccu RST_BUS_OTG>;
			interrupts = <GIC_SPI 71 IRQ_TYPE_LEVEL_HIGH>;
			interrupt-names = "mc";
			phys = <&usbphy 0>;
			phy-names = "usb";
			extcon = <&usbphy 0>;
			status = "okay";
			dr_mode = "otg";
		};

		usbphy: phy@01c19400 {
			compatible = "allwinner,sun8i-v3s-usb-phy";
			reg = <0x01c19400 0x2c>,
			      <0x01c1a800 0x4>;
			reg-names = "phy_ctrl",
				    "pmu0";
			clocks = <&ccu CLK_USB_PHY0>;
			clock-names = "usb0_phy";
			resets = <&ccu RST_USB_PHY0>;
			reset-names = "usb0_reset";
			status = "okay";
			#phy-cells = <1>;
		};

		ehci0: usb@01c1a000 {
			compatible = "allwinner,sun8i-v3s-ehci", "generic-ehci";
			reg = <0x01c1a000 0x100>;
			interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&ccu CLK_BUS_EHCI0>, <&ccu CLK_BUS_OHCI0>;
			resets = <&ccu RST_BUS_EHCI0>, <&ccu RST_BUS_OHCI0>;
			phys = <&usbphy 0>;
			phy-names = "usb";
			status = "okay";
		};

		ohci0: usb@01c1a400 {
			compatible = "allwinner,sun8i-v3s-ohci", "generic-ohci";
			reg = <0x01c1a400 0x100>;
			interrupts = <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&ccu CLK_BUS_EHCI0>, <&ccu CLK_BUS_OHCI0>, <&ccu CLK_USB_OHCI0>;
			resets = <&ccu RST_BUS_EHCI0>, <&ccu RST_BUS_OHCI0>;
			phys = <&usbphy 0>;
			phy-names = "usb";
			status = "okay";
		};

		ccu: clock@01c20000 {
			compatible = "allwinner,sun8i-v3s-ccu";
			reg = <0x01c20000 0x400>;
			clocks = <&osc24M>, <&osc32k>;
			clock-names = "hosc", "losc";
			#clock-cells = <1>;
			#reset-cells = <1>;
		};

		rtc: rtc@01c20400 {
			compatible = "allwinner,sun6i-a31-rtc";
			reg = <0x01c20400 0x54>;
			interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>;
		};

		pio: pinctrl@01c20800 {
			compatible = "allwinner,sun8i-v3s-pinctrl";
			reg = <0x01c20800 0x400>;
			interrupts = <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&ccu CLK_BUS_PIO>, <&osc24M>, <&osc32k>;
			clock-names = "apb", "hosc", "losc";
			gpio-controller;
			#gpio-cells = <3>;
			interrupt-controller;
			#interrupt-cells = <3>;

			i2c0_pins: i2c0-pins {
				pins = "PB6", "PB7";
				function = "i2c0";
			};

			uart0_pb_pins: uart0-pb-pins {
				pins = "PB8", "PB9";
				function = "uart0";
			};
			uart1_pb_pins: uart1-pb-pins {
				pins = "PE21", "PE22";
				function = "uart1";
			};
			
			uart2_pb_pins: uart2-pb-pins {
				pins = "PB0", "PB1";
				function = "uart2";
 			};
			mmc0_pins: mmc0-pins {
				pins = "PF0", "PF1", "PF2", "PF3",
				       "PF4", "PF5";
				function = "mmc0";
				drive-strength = <30>;
				bias-pull-up;
			};

			mmc1_pins: mmc1-pins {
				pins = "PG0", "PG1", "PG2", "PG3",
				       "PG4", "PG5";
				function = "mmc1";
				drive-strength = <30>;
				bias-pull-up;
			};

			spi0_pins: spi0-pins {
				pins = "PC0", "PC1", "PC2", "PC3";
				function = "spi0";
			};
		};

		timer@01c20c00 {
			compatible = "allwinner,sun4i-a10-timer";
			reg = <0x01c20c00 0xa0>;
			interrupts = <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&osc24M>;
		};

		wdt0: watchdog@01c20ca0 {
			compatible = "allwinner,sun6i-a31-wdt";
			reg = <0x01c20ca0 0x20>;
			interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
		};

		lradc: lradc@1c22800 {
			compatible = "allwinner,sun4i-a10-lradc-keys";
			reg = <0x01c22800 0x400>;
			interrupts = <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>;
			status = "disabled";
		};

		uart0: serial@01c28000 {
			compatible = "snps,dw-apb-uart";
			reg = <0x01c28000 0x400>;
			interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>;
			reg-shift = <2>;
			reg-io-width = <4>;
			clocks = <&ccu CLK_BUS_UART0>;
			resets = <&ccu RST_BUS_UART0>;
			status = "disabled";
		};

		uart1: serial@01c28400 {
			compatible = "snps,dw-apb-uart";
			reg = <0x01c28400 0x400>;
			interrupts = <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>;
			reg-shift = <2>;
			reg-io-width = <4>;
			clocks = <&ccu CLK_BUS_UART1>;
			resets = <&ccu RST_BUS_UART1>;
			status = "disabled";
		};

		uart2: serial@01c28800 {
			compatible = "snps,dw-apb-uart";
			reg = <0x01c28800 0x400>;
			interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>;
			reg-shift = <2>;
			reg-io-width = <4>;
			clocks = <&ccu CLK_BUS_UART2>;
			resets = <&ccu RST_BUS_UART2>;
			status = "disabled";
		};

		i2c0: i2c@01c2ac00 {
			compatible = "allwinner,sun6i-a31-i2c";
			reg = <0x01c2ac00 0x400>;
			interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&ccu CLK_BUS_I2C0>;
			resets = <&ccu RST_BUS_I2C0>;
			pinctrl-names = "default";
			pinctrl-0 = <&i2c0_pins>;
			status = "disabled";
			#address-cells = <1>;
			#size-cells = <0>;
		};

		i2c1: i2c@01c2b000 {
			compatible = "allwinner,sun6i-a31-i2c";
			reg = <0x01c2b000 0x400>;
			interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&ccu CLK_BUS_I2C1>;
			resets = <&ccu RST_BUS_I2C1>;
			status = "disabled";
			#address-cells = <1>;
			#size-cells = <0>;
		};

		emac: ethernet@1c30000 {
			compatible = "allwinner,sun8i-h3-emac";
			syscon = <&syscon>;
			reg = <0x01c30000 0x10000>;
			interrupts = <GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>;
			interrupt-names = "macirq";
			resets = <&ccu RST_BUS_EMAC>;
			reset-names = "stmmaceth";
			clocks = <&ccu CLK_BUS_EMAC>;
			clock-names = "stmmaceth";
			#address-cells = <1>;
			#size-cells = <0>;
			status = "disabled";

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

			mdio-mux {
				compatible = "allwinner,sun8i-h3-mdio-mux";
				#address-cells = <1>;
				#size-cells = <0>;

				mdio-parent-bus = <&mdio>;
				/* Only one MDIO is usable at the time */
				internal_mdio: mdio@1 {
					compatible = "allwinner,sun8i-h3-mdio-internal";
					reg = <1>;
					#address-cells = <1>;
					#size-cells = <0>;

					int_mii_phy: ethernet-phy@1 {
						compatible = "ethernet-phy-ieee802.3-c22";
						reg = <1>;
						clocks = <&ccu CLK_BUS_EPHY>;
						resets = <&ccu RST_BUS_EPHY>;
					};
				};

				external_mdio: mdio@2 {
					reg = <2>;
					#address-cells = <1>;
					#size-cells = <0>;
				};
			};
		};

		spi0: spi@1c68000 {
			compatible = "allwinner,sun8i-h3-spi";
			reg = <0x01c68000 0x1000>;
			interrupts = <GIC_SPI 65 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&ccu CLK_BUS_SPI0>, <&ccu CLK_SPI0>;
			clock-names = "ahb", "mod";
			pinctrl-names = "default";
			pinctrl-0 = <&spi0_pins>;
			resets = <&ccu RST_BUS_SPI0>;
			status = "disabled";
			#address-cells = <1>;
			#size-cells = <0>;
		};
		
    ahci-5v {
        compatible = "regulator-fixed";
        regulator-name = "ahci-5v";
        regulator-min-microvolt = <0x004c4b40>;
        regulator-max-microvolt = <0x004c4b40>;
        regulator-boot-on;
        enable-active-high;
        gpio = <0x0000000b 0x00000001 0x00000008 0x00000000>;
        status = "disabled";
    };
    usb0-vbus {
        compatible = "regulator-fixed";
        regulator-name = "usb0-vbus";
        regulator-min-microvolt = <0x004c4b40>;
        regulator-max-microvolt = <0x004c4b40>;
        enable-active-high;
        gpio = <0x0000000b 0x00000001 0x00000009 0x00000000>;
        status = "disabled";
    };
    usb1-vbus {
        compatible = "regulator-fixed";
        regulator-name = "usb1-vbus";
        regulator-min-microvolt = <0x004c4b40>;
        regulator-max-microvolt = <0x004c4b40>;
        regulator-boot-on;
        enable-active-high;
        gpio = <0x0000000b 0x00000007 0x00000006 0x00000000>;
        status = "disabled";
    };
    usb2-vbus {
        compatible = "regulator-fixed";
        regulator-name = "usb2-vbus";
        regulator-min-microvolt = <0x004c4b40>;
        regulator-max-microvolt = <0x004c4b40>;
        regulator-boot-on;
        enable-active-high;
        gpio = <0x0000000b 0x00000007 0x00000003 0x00000000>;
        status = "disabled";
    };
    vcc3v0 {
        compatible = "regulator-fixed";
        regulator-name = "vcc3v0";
        regulator-min-microvolt = <0x002dc6c0>;
        regulator-max-microvolt = <0x002dc6c0>;
    };
    vcc3v3 {
        compatible = "regulator-fixed";
        regulator-name = "vcc3v3";
        regulator-min-microvolt = <0x00325aa0>;
        regulator-max-microvolt = <0x00325aa0>;
        linux,phandle = <0x00000008>;
        phandle = <0x00000008>;
    };
    vcc5v0 {
        compatible = "regulator-fixed";
        regulator-name = "vcc5v0";
        regulator-min-microvolt = <0x004c4b40>;
        regulator-max-microvolt = <0x004c4b40>;
    };
	

		gic: interrupt-controller@01c81000 {
			compatible = "arm,cortex-a7-gic", "arm,cortex-a15-gic";
			reg = <0x01c81000 0x1000>,
			      <0x01c82000 0x1000>,
			      <0x01c84000 0x2000>,
			      <0x01c86000 0x2000>;
			interrupt-controller;
			#interrupt-cells = <3>;
			interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
		};
	};
};

[    0.000000] CPU: ARMv7 Processor [410fc075] revision 5 (ARMv7), cr=30c5387d
[    0.000000] CPU: div instructions available: patching division code
[    0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
[    0.000000] OF: fdt: Machine model: CAN Gateway 4
[    0.000000] Memory policy: Data cache writealloc
[    0.000000] psci: probing for conduit method from DT.
[    0.000000] psci: Using PSCI v0.1 Function IDs from DT
[    0.000000] random: get_random_bytes called from start_kernel+0x88/0x3c0 with crng_init=0
[    0.000000] percpu: Embedded 15 pages/cpu s30732 r8192 d22516 u61440
[    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 16256
[    0.000000] Kernel command line: console=ttyS0,115200 earlyprintk root=/dev/mmcblk0p2 rootwait
[    0.000000] PID hash table entries: 256 (order: -2, 1024 bytes)
[    0.000000] Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)
[    0.000000] Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)
[    0.000000] Memory: 53940K/65536K available (5517K kernel code, 346K rwdata, 1544K rodata, 2048K init, 244K bss, 11596K reserved, 0K cma-reserved, 0K highmem)
[    0.000000] Virtual kernel memory layout:
[    0.000000]     vector  : 0xffff0000 - 0xffff1000   (   4 kB)
[    0.000000]     fixmap  : 0xffc00000 - 0xfff00000   (3072 kB)
[    0.000000]     vmalloc : 0xc4800000 - 0xff800000   ( 944 MB)
[    0.000000]     lowmem  : 0xc0000000 - 0xc4000000   (  64 MB)
[    0.000000]     pkmap   : 0xbfe00000 - 0xc0000000   (   2 MB)
[    0.000000]     modules : 0xbf000000 - 0xbfe00000   (  14 MB)
[    0.000000]       .text : 0xc0008000 - 0xc0763408   (7534 kB)
[    0.000000]       .init : 0xc0a00000 - 0xc0c00000   (2048 kB)
[    0.000000]       .data : 0xc0c00000 - 0xc0c56a00   ( 347 kB)
[    0.000000]        .bss : 0xc0c5d250 - 0xc0c9a450   ( 245 kB)
[    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[    0.000000] Preemptible hierarchical RCU implementation.
[    0.000000]  RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=1.
[    0.000000]  Tasks RCU enabled.
[    0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=1
[    0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16
[    0.000000] arch_timer: cp15 timer(s) running at 24.00MHz (phys).
[    0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x588fe9dc0, max_idle_ns: 440795202592 ns
[    0.000008] sched_clock: 56 bits at 24MHz, resolution 41ns, wraps every 4398046511097ns
[    0.000020] Switching to timer-based delay loop, resolution 41ns
[    0.000230] clocksource: timer: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 79635851949 ns
[    0.000470] Console: colour dummy device 80x30
[    0.000519] Calibrating delay loop (skipped), value calculated using timer frequency.. 48.00 BogoMIPS (lpj=240000)
[    0.000535] pid_max: default: 32768 minimum: 301
[    0.000678] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
[    0.000692] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
[    0.001263] CPU: Testing write buffer coherency: ok
[    0.001695] /cpus/cpu@0 missing clock-frequency property
[    0.001721] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
[    0.040129] Setting up static identity map for 0x40200000 - 0x40200060
[    0.060125] Hierarchical SRCU implementation.
[    0.100225] smp: Bringing up secondary CPUs ...
[    0.100249] smp: Brought up 1 node, 1 CPU
[    0.100259] SMP: Total of 1 processors activated (48.00 BogoMIPS).
[    0.100267] CPU: All CPU(s) started in HYP mode.
[    0.100272] CPU: Virtualization extensions available.
[    0.103735] VFP support v0.3: implementor 41 architecture 2 part 30 variant 7 rev 5
[    0.104331] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[    0.104367] futex hash table entries: 256 (order: 2, 16384 bytes)
[    0.104524] pinctrl core: initialized pinctrl subsystem
[    0.105654] NET: Registered protocol family 16
[    0.106113] DMA: preallocated 256 KiB pool for atomic coherent allocations
[    0.107240] No ATAGs?
[    0.162437] vcc3v0: Failed to create debugfs directory
[    0.162694] vcc3v3: Failed to create debugfs directory
[    0.162938] vcc5v0: Failed to create debugfs directory
[    0.163538] SCSI subsystem initialized
[    0.163971] usbcore: registered new interface driver usbfs
[    0.164045] usbcore: registered new interface driver hub
[    0.164128] usbcore: registered new device driver usb
[    0.164319] pps_core: LinuxPPS API ver. 1 registered
[    0.164332] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[    0.164362] PTP clock support registered
[    0.164687] Advanced Linux Sound Architecture Driver Initialized.
[    0.172296] clocksource: Switched to clocksource arch_sys_counter
[    0.197875] NET: Registered protocol family 2
[    0.199634] TCP established hash table entries: 1024 (order: 0, 4096 bytes)
[    0.199671] TCP bind hash table entries: 1024 (order: 1, 8192 bytes)
[    0.199696] TCP: Hash tables configured (established 1024 bind 1024)
[    0.199838] UDP hash table entries: 256 (order: 1, 8192 bytes)
[    0.199886] UDP-Lite hash table entries: 256 (order: 1, 8192 bytes)
[    0.200138] NET: Registered protocol family 1
[    0.200589] kvm [1]: 8-bit VMID
[    0.201150] kvm [1]: vgic interrupt IRQ16
[    0.201225] kvm [1]: Hyp mode initialized successfully
[    0.204221] No memory allocated for crashlog
[    0.205141] workingset: timestamp_bits=30 max_order=14 bucket_order=0
[    0.221732] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[    0.222238] jffs2: version 2.2 (NAND) (SUMMARY) (LZMA) (RTIME) (CMODE_PRIORITY) (c) 2001-2006 Red Hat, Inc.
[    0.248993] io scheduler noop registered
[    0.249018] io scheduler deadline registered
[    0.249293] io scheduler cfq registered (default)
[    0.250066] sun4i-usb-phy 1c19400.phy: Couldn't request ID GPIO
[    0.254966] sun8i-v3s-pinctrl 1c20800.pinctrl: initialized sunXi PIO driver
[    0.274903] Serial: 8250/16550 driver, 8 ports, IRQ sharing disabled
[    0.280175] console [ttyS0] disabled
[    0.301095] 1c28000.serial: ttyS0 at MMIO 0x1c28000 (irq = 33, base_baud = 1500000) is a U6_16550A
[    0.873188] console [ttyS0] enabled
[    0.898530] 1c28400.serial: ttyS1 at MMIO 0x1c28400 (irq = 34, base_baud = 1500000) is a U6_16550A
[    0.931307] 1c28800.serial: ttyS2 at MMIO 0x1c28800 (irq = 35, base_baud = 1500000) is a U6_16550A
[    0.953827] loop: module loaded
[    0.961364] libphy: Fixed MDIO Bus: probed
[    0.967731] dwmac-sun8i 1c30000.ethernet: PTP uses main clock
[    0.974351] dwmac-sun8i 1c30000.ethernet: No regulator found
[    0.980167] dwmac-sun8i 1c30000.ethernet: Current syscon value is not the default 38000 (expect 58000)
[    0.989896] dwmac-sun8i 1c30000.ethernet: Chain mode enabled
[    0.995722] dwmac-sun8i 1c30000.ethernet: No HW DMA feature register supported
[    1.003011] dwmac-sun8i 1c30000.ethernet: Normal descriptors
[    1.008666] dwmac-sun8i 1c30000.ethernet: RX Checksum Offload Engine supported
[    1.015920] dwmac-sun8i 1c30000.ethernet: COE Type 2
[    1.020880] dwmac-sun8i 1c30000.ethernet: TX Checksum insertion supported
[    1.027696] dwmac-sun8i 1c30000.ethernet (unnamed net_device) (uninitialized): device MAC address 1e:73:d9:45:37:c1
[    1.038520] libphy: stmmac: probed
[    1.043382] dwmac-sun8i 1c30000.ethernet: Found internal PHY node
[    1.050146] libphy: mdio_mux: probed
[    1.053927] dwmac-sun8i 1c30000.ethernet: Switch mux to internal PHY
[    1.060285] dwmac-sun8i 1c30000.ethernet: Powering internal PHY
[    1.067607] libphy: mdio_mux: probed
[    1.072757] usbcore: registered new interface driver rtl8150
[    1.078975] usbcore: registered new interface driver r8152
[    1.084960] usbcore: registered new interface driver lan78xx
[    1.091013] usbcore: registered new interface driver asix
[    1.096887] usbcore: registered new interface driver ax88179_178a
[    1.103785] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[    1.110317] ehci-platform: EHCI generic platform driver
[    1.116363] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[    1.122913] ohci-platform: OHCI generic platform driver
[    1.128898] usbcore: registered new interface driver cdc_wdm
[    1.135254] usbcore: registered new interface driver usb-storage
[    1.141873] usbcore: registered new interface driver usbserial
[    1.148239] usbcore: registered new interface driver usbserial_generic
[    1.155220] usbserial: USB Serial support registered for generic
[    1.162175] mousedev: PS/2 mouse device common for all mice
[    1.169436] i2c /dev entries driver
[    1.175414] sunxi-wdt 1c20ca0.watchdog: Watchdog enabled (timeout=16 sec, nowayout=0)
[    1.242344] sunxi-mmc 1c0f000.mmc: base:0xc48ac000 irq:23
[    1.248761] OF: /leds/blue_led: could not get #gpio-cells for /soc/phy@01c19400
[    1.256492] leds-gpio: probe of leds failed with error -22
[    1.270072] NET: Registered protocol family 10
[    1.290845] Segment Routing with IPv6
[    1.295148] NET: Registered protocol family 17
[    1.299698] can: controller area network core (rev 20170425 abi 9)
[    1.306473] NET: Registered protocol family 29
[    1.310965] 8021q: 802.1Q VLAN Support v1.8
[    1.315453] Registering SWP/SWPB emulation handler
[    1.327645] ehci-platform 1c1a000.usb: EHCI Host Controller
[    1.333412] mmc0: host does not support reading read-only switch, assuming write-enable
[    1.342139] ehci-platform 1c1a000.usb: new USB bus registered, assigned bus number 1
[    1.350279] mmc0: new high speed SD card at address 2101
[    1.355987] ehci-platform 1c1a000.usb: irq 25, io mem 0x01c1a000
[    1.363240] mmcblk0: mmc0:2101 APPSD 240 MiB 
[    1.369315]  mmcblk0: p1 p2
[    1.382400] ehci-platform 1c1a000.usb: USB 2.0 started, EHCI 1.00
[    1.388822] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
[    1.395828] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[    1.403114] usb usb1: Product: EHCI Host Controller
[    1.407988] usb usb1: Manufacturer: Linux 4.14.221 ehci_hcd
[    1.413599] usb usb1: SerialNumber: 1c1a000.usb
[    1.419056] hub 1-0:1.0: USB hub found
[    1.423234] hub 1-0:1.0: 1 port detected
[    1.428683] ohci-platform 1c1a400.usb: Generic Platform OHCI controller
[    1.435865] ohci-platform 1c1a400.usb: new USB bus registered, assigned bus number 2
[    1.443975] ohci-platform 1c1a400.usb: irq 26, io mem 0x01c1a400
[    1.516539] usb usb2: New USB device found, idVendor=1d6b, idProduct=0001
[    1.523373] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[    1.530588] usb usb2: Product: Generic Platform OHCI controller
[    1.536526] usb usb2: Manufacturer: Linux 4.14.221 ohci_hcd
[    1.542094] usb usb2: SerialNumber: 1c1a400.usb
[    1.547538] hub 2-0:1.0: USB hub found
[    1.551623] hub 2-0:1.0: 1 port detected
[    1.556681] hctosys: unable to open rtc device (rtc0)
[    1.562154] vcc3v0: disabling
[    1.566352] vcc3v3: disabling
[    1.569330] vcc5v0: disabling
[    1.572513] vcc3v0: disabling
[    1.575490] vcc5v0: disabling
[    1.578457] ALSA device list:
[    1.581421]   No soundcards found.
[    1.592986] VFS: Mounted root (squashfs filesystem) readonly on device 179:2.
[    1.602586] Freeing unused kernel memory: 2048K
[    2.054618] init: Console is alive
[    2.058366] init: - watchdog -
[    2.583742] kmodloader: loading kernel modules from /etc/modules-boot.d/*
[    2.633354] exFAT: Version 1.2.9
[    2.638123] kmodloader: done loading kernel modules from /etc/modules-boot.d/*
[    2.656138] init: - preinit -
[    3.394026] random: jshn: uninitialized urandom read (4 bytes read)
[    3.472235] random: jshn: uninitialized urandom read (4 bytes read)
[    3.503841] random: jshn: uninitialized urandom read (4 bytes read)
[    3.671120] Generic PHY 0.1:01: attached PHY driver [Generic PHY] (mii_bus:phy_addr=0.1:01, irq=POLL)
[    3.682582] dwmac-sun8i 1c30000.ethernet eth0: No MAC Management Counters available
[    3.690255] dwmac-sun8i 1c30000.ethernet eth0: PTP not supported by HW
[    3.698970] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
Press the [f] key and hit [enter] to enter failsafe mode
Press the [1], [2], [3] or [4] key and hit [enter] to select the debug level
[    6.966148] mount_root: loading kmods from internal overlay
[    6.993481] kmodloader: loading kernel modules from //etc/modules-boot.d/*
[    7.001536] kmodloader: done loading kernel modules from //etc/modules-boot.d/*
[    7.137086] block: attempting to load /etc/config/fstab
[    7.142982] block: unable to load configuration (fstab: Entry not found)
[    7.149786] block: no usable configuration
[    7.218530] JBD2: no valid journal superblock found
[    7.223574] EXT4-fs (loop0): error loading journal
[    7.252582] mount_root: failed to mount -t ext4 /dev/loop0 /tmp/overlay: Invalid argument
[    7.311494] block: attempting to load /etc/config/fstab
[    7.317230] block: unable to load configuration (fstab: Entry not found)
[    7.324194] block: no usable configuration
[    7.329584] mount_root: overlay filesystem has not been fully initialized yet
[    7.337834] mount_root: switching to ext4 overlay
[    7.343056] mount_root: switching to ext4 failed - fallback to ramoverlay
[    7.445926] urandom-seed: Seed file not found (/etc/urandom.seed)
[    7.529210] procd: - early -
[    7.532896] procd: - watchdog -
[    8.285460] procd: - watchdog -
[    8.289015] procd: - ubus -
[    8.340218] urandom_read: 1 callbacks suppressed
[    8.340231] random: ubusd: uninitialized urandom read (4 bytes read)
[    8.387132] random: ubusd: uninitialized urandom read (4 bytes read)
[    8.394231] random: ubusd: uninitialized urandom read (4 bytes read)
[    8.401588] procd: - init -
Please press Enter to activate this console.
[    8.991928] urngd: v1.0.2 started.
[    9.032835] kmodloader: loading kernel modules from /etc/modules.d/*
[    9.064384] ip6_tables: (C) 2000-2006 Netfilter Core Team
[    9.098402] random: crng init done
[    9.101828] random: 3 urandom warning(s) missed due to ratelimiting
[    9.116028] hidraw: raw HID events driver (C) Jiri Kosina
[    9.126233] can: broadcast manager protocol (rev 20170425 t)
[    9.144046] CAN device driver interface
[    9.153714] can: netlink gateway (rev 20170425) max_hops=1
[    9.174023] can: raw protocol (rev 20170425)
[    9.180115] Loading modules backported from Linux version v4.19.161-0-gdaefdc9eb24b
[    9.202455] Backport generated by backports.git v4.19.161-1-0-g4bb568fe
[    9.215868] ip_tables: (C) 2000-2006 Netfilter Core Team
[    9.252800] nf_conntrack version 0.5.0 (1024 buckets, 4096 max)
[    9.333431] usbcore: registered new interface driver ums-alauda
[    9.352762] usbcore: registered new interface driver ums-cypress
[    9.362704] usbcore: registered new interface driver ums-datafab
[    9.384045] usbcore: registered new interface driver ums-freecom
[    9.392723] usbcore: registered new interface driver ums-isd200
[    9.414101] usbcore: registered new interface driver ums-jumpshot
[    9.424169] usbcore: registered new interface driver ums-karma
[    9.444290] usbcore: registered new interface driver ums-sddr09
[    9.462768] usbcore: registered new interface driver ums-sddr55
[    9.470977] usbcore: registered new interface driver ums-usbat
[    9.495477] usbcore: registered new interface driver usbhid
[    9.501064] usbhid: USB HID core driver
[    9.513736] vcan: Virtual CAN interface driver
[    9.557226] xt_time: kernel timezone is -0000
[    9.649081] PPP generic driver version 2.4.2
[    9.665833] NET: Registered protocol family 24
[    9.685360] usbcore: registered new interface driver rtl8187
[    9.739211] usbcore: registered new interface driver rtl8192cu
[    9.753053] usbcore: registered new interface driver ath9k_htc
[    9.759706] kmodloader: done loading kernel modules from /etc/modules.d/*
[   28.485545] Generic PHY 0.1:01: attached PHY driver [Generic PHY] (mii_bus:phy_addr=0.1:01, irq=POLL)
[   28.504926] dwmac-sun8i 1c30000.ethernet eth0: No MAC Management Counters available
[   28.522843] dwmac-sun8i 1c30000.ethernet eth0: PTP not supported by HW
[   28.551478] br-lan: port 1(eth0) entered blocking state
[   28.561076] br-lan: port 1(eth0) entered disabled state
[   28.583217] device eth0 entered promiscuous mode
[   28.605815] IPv6: ADDRCONF(NETDEV_UP): br-lan: link is not ready

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