/*
* 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";
pinctrl-names = "default";
pinctrl-0 = <&chip_wifi_reg_on_pin>;
reset-gpios = <&pio 2 19 GPIO_ACTIVE_LOW>; /* PC19 */
};
onewire {
compatible = "w1-gpio";
gpios = <&pio 3 2 GPIO_ACTIVE_HIGH>; /* PD2 */
pinctrl-names = "default";
pinctrl-0 = <&chip_w1_pin>;
};
};
&be0 {
status = "okay";
};
&codec {
status = "okay";
};
&cpu0 {
cpu-supply = <®_dcdc2>;
};
&ehci0 {
status = "okay";
};
&i2c0 {
pinctrl-names = "default";
pinctrl-0 = <&i2c0_pins_a>;
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 {
pinctrl-names = "default";
pinctrl-0 = <&i2c1_pins_a>;
status = "disabled";
};
&i2c2 {
pinctrl-names = "default";
pinctrl-0 = <&i2c2_pins_a>;
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_a {
bias-pull-up;
};
&mmc0 {
pinctrl-names = "default";
pinctrl-0 = <&mmc0_pins_a>;
vmmc-supply = <®_vcc3v3>;
mmc-pwrseq = <&mmc0_pwrseq>;
bus-width = <4>;
non-removable;
status = "okay";
};
&ohci0 {
status = "okay";
};
&otg_sram {
status = "okay";
};
&pio {
chip_vbus_pin: chip_vbus_pin@0 {
pins = "PB10";
function = "gpio_out";
};
chip_wifi_reg_on_pin: chip_wifi_reg_on_pin@0 {
pins = "PC19";
function = "gpio_out";
};
chip_id_det_pin: chip_id_det_pin@0 {
pins = "PG2";
function = "gpio_in";
};
chip_w1_pin: chip_w1_pin@0 {
pins = "PD2";
function = "gpio_in";
bias-pull-up;
};
};
®_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 {
pinctrl-0 = <&chip_vbus_pin>;
vin-supply = <®_vcc5v0>;
gpio = <&pio 1 10 GPIO_ACTIVE_HIGH>; /* PB10 */
status = "okay";
};
&spi2 {
pinctrl-names = "default";
pinctrl-0 = <&spi2_pins_a>;
status = "disabled";
};
&tcon0 {
status = "okay";
};
&tve0 {
status = "okay";
};
&uart1 {
pinctrl-names = "default";
pinctrl-0 = <&uart1_pins_b>;
status = "okay";
};
&uart3 {
pinctrl-names = "default";
pinctrl-0 = <&uart3_pins_a>,
<&uart3_cts_rts_pins_a>;
status = "okay";
};
&usb_otg {
dr_mode = "otg";
status = "okay";
};
&usb_power_supply {
status = "okay";
};
&usbphy {
pinctrl-names = "default";
pinctrl-0 = <&chip_id_det_pin>;
status = "okay";
usb0_id_det-gpio = <&pio 6 2 GPIO_ACTIVE_HIGH>; /* PG2 */
usb0_vbus_power-supply = <&usb_power_supply>;
usb0_vbus-supply = <®_usb0_vbus>;
usb1_vbus-supply = <®_vcc5v0>;
};
