diff options
Diffstat (limited to 'arch/arm/boot/dts/sun5i-r8-chip.dts')
| -rw-r--r-- | arch/arm/boot/dts/sun5i-r8-chip.dts | 276 |
1 files changed, 276 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/sun5i-r8-chip.dts b/arch/arm/boot/dts/sun5i-r8-chip.dts new file mode 100644 index 000000000..4bf4943d4 --- /dev/null +++ b/arch/arm/boot/dts/sun5i-r8-chip.dts @@ -0,0 +1,276 @@ +/* + * Copyright 2015 Free Electrons + * Copyright 2015 NextThing Co + * + * Maxime Ripard <maxime.ripard@free-electrons.com> + * + * 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 "sun5i-r8.dtsi" +#include "sunxi-common-regulators.dtsi" + +#include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/interrupt-controller/irq.h> + +/ { + model = "NextThing C.H.I.P."; + compatible = "nextthing,chip", "allwinner,sun5i-r8", "allwinner,sun5i-a13"; + + aliases { + i2c0 = &i2c0; + i2c1 = &i2c1; + i2c2 = &i2c2; + serial0 = &uart1; + serial1 = &uart3; + spi0 = &spi2; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; + + leds { + compatible = "gpio-leds"; + + status { + label = "chip:white:status"; + gpios = <&axp_gpio 2 GPIO_ACTIVE_HIGH>; + default-state = "on"; + }; + }; + + mmc0_pwrseq: mmc0_pwrseq { + compatible = "mmc-pwrseq-simple"; + reset-gpios = <&pio 2 19 GPIO_ACTIVE_LOW>; /* PC19 */ + }; + + onewire { + compatible = "w1-gpio"; + gpios = <&pio 3 2 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>; /* PD2 */ + }; +}; + +&be0 { + status = "okay"; +}; + +&codec { + status = "okay"; +}; + +&cpu0 { + cpu-supply = <®_dcdc2>; +}; + +&ehci0 { + status = "okay"; +}; + +&i2c0 { + status = "okay"; + + axp209: pmic@34 { + reg = <0x34>; + + /* + * The interrupt is routed through the "External Fast + * Interrupt Request" pin (ball G13 of the module) + * directly to the main interrupt controller, without + * any other controller interfering. + */ + interrupts = <0>; + }; +}; + +#include "axp209.dtsi" + +&ac_power_supply { + status = "okay"; +}; + +&battery_power_supply { + status = "okay"; +}; + +&i2c1 { + status = "disabled"; +}; + +&i2c2 { + status = "okay"; + + xio: gpio@38 { + compatible = "nxp,pcf8574a"; + reg = <0x38>; + + gpio-controller; + #gpio-cells = <2>; + + interrupt-parent = <&pio>; + interrupts = <6 0 IRQ_TYPE_EDGE_FALLING>; + interrupt-controller; + #interrupt-cells = <2>; + }; +}; + +&mmc0_pins { + bias-pull-up; +}; + +&mmc0 { + vmmc-supply = <®_vcc3v3>; + mmc-pwrseq = <&mmc0_pwrseq>; + bus-width = <4>; + non-removable; + status = "okay"; +}; + +&ohci0 { + status = "okay"; +}; + +&otg_sram { + status = "okay"; +}; + +®_dcdc2 { + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <1400000>; + regulator-name = "cpuvdd"; + regulator-always-on; +}; + +®_dcdc3 { + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <1300000>; + regulator-name = "corevdd"; + regulator-always-on; +}; + +®_ldo1 { + regulator-name = "rtcvdd"; +}; + +®_ldo2 { + regulator-min-microvolt = <2700000>; + regulator-max-microvolt = <3300000>; + regulator-name = "avcc"; + regulator-always-on; +}; + +/* + * Both LDO3 and LDO4 are used in parallel to power up the WiFi/BT + * Chip. + * + * If those are not enabled, the SDIO part will not enumerate, and + * since there's no way currently to pass DT infos to an SDIO device, + * we cannot really do better than this ugly hack for now. + */ +®_ldo3 { + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-name = "vcc-wifi-1"; + regulator-always-on; +}; + +®_ldo4 { + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-name = "vcc-wifi-2"; + regulator-always-on; +}; + +®_ldo5 { + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-name = "vcc-1v8"; +}; + +®_usb0_vbus { + vin-supply = <®_vcc5v0>; + gpio = <&pio 1 10 GPIO_ACTIVE_HIGH>; /* PB10 */ + status = "okay"; +}; + +&spi2 { + pinctrl-names = "default"; + pinctrl-0 = <&spi2_pe_pins>; + status = "disabled"; +}; + +&tcon0 { + status = "okay"; +}; + +&tve0 { + status = "okay"; +}; + +&uart1 { + pinctrl-names = "default"; + pinctrl-0 = <&uart1_pg_pins>; + status = "okay"; +}; + +&uart3 { + pinctrl-names = "default"; + pinctrl-0 = <&uart3_pg_pins>, + <&uart3_cts_rts_pg_pins>; + status = "okay"; +}; + +&usb_otg { + dr_mode = "otg"; + status = "okay"; +}; + +&usb_power_supply { + status = "okay"; +}; + +&usbphy { + status = "okay"; + + usb0_id_det-gpios = <&pio 6 2 GPIO_ACTIVE_HIGH>; /* PG2 */ + usb0_vbus_power-supply = <&usb_power_supply>; + usb0_vbus-supply = <®_usb0_vbus>; + usb1_vbus-supply = <®_vcc5v0>; +}; |