The C.H.I.P. is a small SBC with an Allwinner R8, 8GB of NAND, 512MB of RAM, USB host and OTG, a wifi / bluetooth combo chip, an audio/video jack and two connectors to plug additional boards on top of it. The DT is identical to the DT submitted to the upstream kernel. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Reviewed-by: Tom Rini <trini@konsulko.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>master
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/* |
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* Copyright 2015 Free Electrons |
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* Copyright 2015 NextThing Co |
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* |
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* Maxime Ripard <maxime.ripard@free-electrons.com> |
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* |
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* This file is dual-licensed: you can use it either under the terms |
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* of the GPL or the X11 license, at your option. Note that this dual |
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* licensing only applies to this file, and not this project as a |
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* whole. |
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* |
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* a) This file is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation; either version 2 of the |
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* License, or (at your option) any later version. |
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* |
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* This file is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* Or, alternatively, |
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* |
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* b) Permission is hereby granted, free of charge, to any person |
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* obtaining a copy of this software and associated documentation |
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* files (the "Software"), to deal in the Software without |
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* restriction, including without limitation the rights to use, |
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* copy, modify, merge, publish, distribute, sublicense, and/or |
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* sell copies of the Software, and to permit persons to whom the |
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* Software is furnished to do so, subject to the following |
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* conditions: |
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* |
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* The above copyright notice and this permission notice shall be |
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* included in all copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES |
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT |
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
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* OTHER DEALINGS IN THE SOFTWARE. |
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*/ |
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|
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/dts-v1/; |
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#include "sun5i-r8.dtsi" |
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#include "sunxi-common-regulators.dtsi" |
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|
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#include <dt-bindings/gpio/gpio.h> |
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#include <dt-bindings/interrupt-controller/irq.h> |
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|
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/ { |
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model = "NextThing C.H.I.P."; |
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compatible = "nextthing,chip", "allwinner,sun5i-r8"; |
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|
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aliases { |
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i2c0 = &i2c0; |
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i2c2 = &i2c2; |
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serial0 = &uart1; |
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serial1 = &uart3; |
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}; |
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|
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chosen { |
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stdout-path = "serial0:115200n8"; |
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}; |
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}; |
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|
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&ehci0 { |
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status = "okay"; |
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}; |
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|
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&i2c0 { |
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pinctrl-names = "default"; |
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pinctrl-0 = <&i2c0_pins_a>; |
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status = "okay"; |
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|
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axp209: pmic@34 { |
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reg = <0x34>; |
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|
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/* |
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* The interrupt is routed through the "External Fast |
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* Interrupt Request" pin (ball G13 of the module) |
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* directly to the main interrupt controller, without |
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* any other controller interfering. |
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*/ |
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interrupts = <0>; |
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}; |
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}; |
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|
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#include "axp209.dtsi" |
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|
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&i2c2 { |
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pinctrl-names = "default"; |
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pinctrl-0 = <&i2c2_pins_a>; |
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status = "okay"; |
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|
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xio: gpio@38 { |
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compatible = "nxp,pcf8574a"; |
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reg = <0x38>; |
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gpio-controller; |
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#gpio-cells = <2>; |
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|
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interrupt-parent = <&pio>; |
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interrupts = <6 0 IRQ_TYPE_EDGE_FALLING>; |
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interrupt-controller; |
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#interrupt-cells = <2>; |
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}; |
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}; |
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|
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&mmc0 { |
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pinctrl-names = "default"; |
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pinctrl-0 = <&mmc0_pins_a>; |
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vmmc-supply = <®_vcc3v3>; |
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bus-width = <4>; |
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non-removable; |
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status = "okay"; |
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}; |
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|
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&ohci0 { |
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status = "okay"; |
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}; |
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|
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&otg_sram { |
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status = "okay"; |
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}; |
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|
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&pio { |
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chip_vbus_pin: chip_vbus_pin@0 { |
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allwinner,pins = "PB10"; |
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allwinner,function = "gpio_out"; |
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allwinner,drive = <SUN4I_PINCTRL_10_MA>; |
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allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; |
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}; |
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|
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chip_id_det_pin: chip_id_det_pin@0 { |
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allwinner,pins = "PG2"; |
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allwinner,function = "gpio_in"; |
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allwinner,drive = <SUN4I_PINCTRL_10_MA>; |
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allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; |
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}; |
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}; |
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|
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®_dcdc2 { |
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regulator-min-microvolt = <1000000>; |
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regulator-max-microvolt = <1400000>; |
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regulator-name = "cpuvdd"; |
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regulator-always-on; |
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}; |
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|
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®_dcdc3 { |
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regulator-min-microvolt = <1000000>; |
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regulator-max-microvolt = <1300000>; |
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regulator-name = "corevdd"; |
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regulator-always-on; |
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}; |
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|
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®_ldo1 { |
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regulator-name = "rtcvdd"; |
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}; |
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|
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®_ldo2 { |
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regulator-min-microvolt = <2700000>; |
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regulator-max-microvolt = <3300000>; |
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regulator-name = "avcc"; |
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regulator-always-on; |
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}; |
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®_ldo5 { |
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regulator-min-microvolt = <1800000>; |
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regulator-max-microvolt = <1800000>; |
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regulator-name = "vcc-1v8"; |
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}; |
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®_usb0_vbus { |
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pinctrl-0 = <&chip_vbus_pin>; |
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vin-supply = <®_vcc5v0>; |
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gpio = <&pio 1 10 GPIO_ACTIVE_HIGH>; /* PB10 */ |
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status = "okay"; |
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}; |
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|
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&uart1 { |
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pinctrl-names = "default"; |
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pinctrl-0 = <&uart1_pins_b>; |
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status = "okay"; |
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}; |
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|
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&uart3 { |
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pinctrl-names = "default"; |
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pinctrl-0 = <&uart3_pins_a>, |
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<&uart3_pins_cts_rts_a>; |
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status = "okay"; |
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}; |
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|
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&usb_otg { |
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dr_mode = "otg"; |
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status = "okay"; |
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}; |
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|
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&usb_power_supply { |
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status = "okay"; |
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}; |
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&usbphy { |
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pinctrl-names = "default"; |
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pinctrl-0 = <&chip_id_det_pin>; |
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status = "okay"; |
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usb0_id_det-gpio = <&pio 6 2 GPIO_ACTIVE_HIGH>; /* PG2 */ |
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usb0_vbus_power-supply = <&usb_power_supply>; |
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usb0_vbus-supply = <®_usb0_vbus>; |
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usb1_vbus-supply = <®_vcc5v0>; |
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}; |
@ -0,0 +1,14 @@ |
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CONFIG_ARM=y |
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CONFIG_ARCH_SUNXI=y |
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CONFIG_MACH_SUN5I=y |
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CONFIG_DRAM_TIMINGS_DDR3_800E_1066G_1333J=y |
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# CONFIG_MMC is not set |
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CONFIG_USB0_VBUS_PIN="PB10" |
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CONFIG_DEFAULT_DEVICE_TREE="sun5i-r8-chip" |
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CONFIG_SPL=y |
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CONFIG_SYS_EXTRA_OPTIONS="CONS_INDEX=2" |
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# CONFIG_CMD_IMLS is not set |
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CONFIG_AXP_DCDC2_VOLT=1300 |
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CONFIG_AXP_ALDO3_VOLT=3300 |
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CONFIG_AXP_ALDO4_VOLT=3300 |
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CONFIG_USB_MUSB_GADGET=y |
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