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linux_dsm_epyc7002/arch/arm/boot/dts/ntc-gr8-evb.dts
Mylène Josserand 7a988a4dd2 ARM: dts: gr8: Add support for the GR8 evaluation board 
The GR8-EVB is a small board with an NextThing GR8, an Hynix MLC NAND,
an AXP209 PMIC, USB host and OTG, an SPDIF output and a connectors for CSI,
I2S and LCD.

Signed-off-by: Mylène Josserand <mylene.josserand@free-electrons.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
2016-09-11 22:23:17 +02:00

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/*
* Copyright 2016 Free Electrons
* Copyright 2016 NextThing Co
*
* Mylène Josserand <mylene.josserand@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 "ntc-gr8.dtsi"
#include "sunxi-common-regulators.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/interrupt-controller/irq.h>
/ {
model = "NextThing GR8-EVB";
compatible = "nextthing,gr8-evb", "nextthing,gr8";
aliases {
i2c0 = &i2c0;
i2c1 = &i2c1;
i2c2 = &i2c2;
serial0 = &uart1;
serial1 = &uart2;
};
chosen {
stdout-path = "serial0:115200n8";
};
backlight: backlight {
compatible = "pwm-backlight";
pwms = <&pwm 0 10000 0>;
enable-gpios = <&axp_gpio 1 GPIO_ACTIVE_HIGH>;
brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
default-brightness-level = <8>;
};
};
&be0 {
status = "okay";
};
&codec {
status = "okay";
};
&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"
&i2c1 {
pinctrl-names = "default";
pinctrl-0 = <&i2c1_pins_a>;
status = "okay";
wm8978: codec@1a {
#sound-dai-cells = <0>;
compatible = "wlf,wm8978";
reg = <0x1a>;
};
pcf8563: rtc@51 {
compatible = "phg,pcf8563";
reg = <0x51>;
};
};
&i2c2 {
pinctrl-names = "default";
pinctrl-0 = <&i2c2_pins_a>;
status = "okay";
};
&i2s0 {
pinctrl-names = "default";
pinctrl-0 = <&i2s0_mclk_pins_a>, <&i2s0_data_pins_a>;
status = "okay";
};
&ir0 {
pinctrl-names = "default";
pinctrl-0 = <&ir0_rx_pins_a>;
status = "okay";
};
&lradc {
vref-supply = <&reg_ldo2>;
status = "okay";
button@190 {
label = "Volume Up";
linux,code = <KEY_VOLUMEUP>;
channel = <0>;
voltage = <190000>;
};
button@390 {
label = "Volume Down";
linux,code = <KEY_VOLUMEDOWN>;
channel = <0>;
voltage = <390000>;
};
button@600 {
label = "Menu";
linux,code = <KEY_MENU>;
channel = <0>;
voltage = <600000>;
};
button@800 {
label = "Search";
linux,code = <KEY_SEARCH>;
channel = <0>;
voltage = <800000>;
};
button@980 {
label = "Home";
linux,code = <KEY_HOMEPAGE>;
channel = <0>;
voltage = <980000>;
};
button@1180 {
label = "Esc";
linux,code = <KEY_ESC>;
channel = <0>;
voltage = <1180000>;
};
button@1400 {
label = "Enter";
linux,code = <KEY_ENTER>;
channel = <0>;
voltage = <1400000>;
};
};
&mmc0 {
pinctrl-names = "default";
pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_gr8_evb>;
vmmc-supply = <&reg_vcc3v3>;
bus-width = <4>;
cd-gpios = <&pio 6 0 GPIO_ACTIVE_HIGH>; /* PG0 */
cd-inverted;
status = "okay";
};
&nfc {
pinctrl-names = "default";
pinctrl-0 = <&nand_pins_a &nand_cs0_pins_a &nand_rb0_pins_a>;
/* MLC Support sucks for now */
status = "disabled";
};
&ohci0 {
status = "okay";
};
&otg_sram {
status = "okay";
};
&pio {
mmc0_cd_pin_gr8_evb: mmc0-cd-pin@0 {
allwinner,pins = "PG0";
allwinner,function = "gpio_in";
allwinner,drive = <SUN4I_PINCTRL_10_MA>;
allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
};
usb0_id_pin_gr8_evb: usb0-id-pin@0 {
allwinner,pins = "PG2";
allwinner,function = "gpio_in";
allwinner,drive = <SUN4I_PINCTRL_10_MA>;
allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
};
usb0_vbus_det_pin_gr8_evb: usb0-vbus-det-pin@0 {
allwinner,pins = "PG1";
allwinner,function = "gpio_in";
allwinner,drive = <SUN4I_PINCTRL_10_MA>;
allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
};
usb1_vbus_pin_gr8_evb: usb1-vbus-pin@0 {
allwinner,pins = "PG13";
allwinner,function = "gpio_out";
allwinner,drive = <SUN4I_PINCTRL_10_MA>;
allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
};
};
&pwm {
pinctrl-names = "default";
pinctrl-0 = <&pwm0_pins_a>;
status = "okay";
};
&reg_dcdc2 {
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <1400000>;
regulator-name = "vdd-cpu";
regulator-always-on;
};
&reg_dcdc3 {
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <1300000>;
regulator-name = "vdd-sys";
regulator-always-on;
};
&reg_ldo1 {
regulator-name = "vdd-rtc";
};
&reg_ldo2 {
regulator-min-microvolt = <2700000>;
regulator-max-microvolt = <3300000>;
regulator-name = "avcc";
regulator-always-on;
};
&reg_usb1_vbus {
pinctrl-0 = <&usb1_vbus_pin_gr8_evb>;
gpio = <&pio 6 13 GPIO_ACTIVE_HIGH>;
status = "okay";
};
&rtp {
allwinner,ts-attached;
};
&spdif {
pinctrl-names = "default";
pinctrl-0 = <&spdif_tx_pins_a>;
status = "okay";
};
&tve0 {
status = "okay";
};
&uart1 {
pinctrl-names = "default";
pinctrl-0 = <&uart1_pins_a>, <&uart1_cts_rts_pins_a>;
status = "okay";
};
&usb_otg {
/*
* The GR8-EVB has a somewhat interesting design. There's a
* pin supposed to control VBUS, an ID pin, a VBUS detect pin,
* so everything should work just fine.
*
* Except that the pin supposed to control VBUS is not
* connected to any controllable output, neither to the SoC
* through a GPIO or to the PMIC, and it is pulled down,
* meaning that we will never be able to enable VBUS on this
* board.
*/
dr_mode = "otg";
status = "okay";
};
&usb_power_supply {
status = "okay";
};
&usbphy {
pinctrl-names = "default";
pinctrl-0 = <&usb0_id_pin_gr8_evb>, <&usb0_vbus_det_pin_gr8_evb>;
usb0_id_det-gpio = <&pio 6 2 GPIO_ACTIVE_HIGH>; /* PG2 */
usb0_vbus_det-gpio = <&pio 6 1 GPIO_ACTIVE_HIGH>; /* PG1 */
usb0_vbus_power-supply = <&usb_power_supply>;
usb1_vbus-supply = <&reg_usb1_vbus>;
status = "okay";
};
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