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ARM: gr8: Add CHIP Pro support

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The CHIP Pro is a small embeddable board. It features a GR8, an AXP209
PMIC, a 512MB SLC NAND and a WiFi/BT chip.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
This commit is contained in:
Maxime Ripard 2016-09-01 18:27:21 +02:00
parent 15df8ad971
commit e63604933e
2 changed files with 267 additions and 0 deletions
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1
arch/arm/boot/dts/Makefile
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@ -760,6 +760,7 @@ dtb-$(CONFIG_MACH_SUN5I) += \
sun5i-a13-olinuxino-micro.dtb \
sun5i-a13-q8-tablet.dtb \
sun5i-a13-utoo-p66.dtb \
sun5i-gr8-chip-pro.dtb \
sun5i-gr8-evb.dtb \
sun5i-r8-chip.dtb
dtb-$(CONFIG_MACH_SUN6I) += \

266
arch/arm/boot/dts/sun5i-gr8-chip-pro.dts Normal file
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@ -0,0 +1,266 @@
/*
* Copyright 2016 Free Electrons
* Copyright 2016 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-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 C.H.I.P. Pro";
compatible = "nextthing,chip-pro", "nextthing,gr8";
aliases {
i2c0 = &i2c0;
i2c1 = &i2c1;
serial0 = &uart1;
serial1 = &uart2;
serial2 = &uart3;
};
chosen {
stdout-path = "serial0:115200n8";
};
leds {
compatible = "gpio-leds";
status {
label = "chip-pro: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 = <&wifi_reg_on_pin_chip_pro>;
reset-gpios = <&pio 1 10 GPIO_ACTIVE_LOW>; /* PB10 */
};
};
&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 = "disabled";
};
&i2s0 {
pinctrl-names = "default";
pinctrl-0 = <&i2s0_mclk_pins_a>, <&i2s0_data_pins_a>;
status = "disabled";
};
&mmc0 {
pinctrl-names = "default";
pinctrl-0 = <&mmc0_pins_a>;
vmmc-supply = <&reg_vcc3v3>;
mmc-pwrseq = <&mmc0_pwrseq>;
bus-width = <4>;
non-removable;
status = "okay";
};
&nfc {
pinctrl-names = "default";
pinctrl-0 = <&nand_pins_a &nand_cs0_pins_a &nand_rb0_pins_a>;
status = "okay";
nand@0 {
#address-cells = <2>;
#size-cells = <2>;
reg = <0>;
allwinner,rb = <0>;
nand-ecc-mode = "hw";
};
};
&ohci0 {
status = "okay";
};
&otg_sram {
status = "okay";
};
&pio {
usb0_id_pin_chip_pro: usb0-id-pin@0 {
allwinner,pins = "PG2";
allwinner,function = "gpio_in";
allwinner,drive = <SUN4I_PINCTRL_10_MA>;
allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
};
wifi_reg_on_pin_chip_pro: wifi-reg-on-pin@0 {
allwinner,pins = "PB10";
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>, <&pwm1_pins>;
status = "disabled";
};
&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;
};
/*
* Both LDO3 and LDO4 are used in parallel to power up the
* WiFi/BT chip.
*/
&reg_ldo3 {
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-name = "vcc-wifi-1";
regulator-always-on;
};
&reg_ldo4 {
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-name = "vcc-wifi-2";
regulator-always-on;
};
&uart1 {
pinctrl-names = "default";
pinctrl-0 = <&uart1_pins_a>, <&uart1_cts_rts_pins_a>;
status = "okay";
};
&uart2 {
pinctrl-names = "default";
pinctrl-0 = <&uart2_pins_a>, <&uart2_cts_rts_pins_a>;
status = "disabled";
};
&uart3 {
pinctrl-names = "default";
pinctrl-0 = <&uart3_pins_a>, <&uart3_cts_rts_pins_a>;
status = "okay";
};
&usb_otg {
/*
* The CHIP Pro doesn't have a controllable VBUS, nor does it
* have any 5v rail on the board itself.
*
* If one wants to use it as a true OTG port, it should be
* done in the baseboard, and its DT / overlay will add it.
*/
dr_mode = "otg";
status = "okay";
};
&usb_power_supply {
status = "okay";
};
&usbphy {
pinctrl-names = "default";
pinctrl-0 = <&usb0_id_pin_chip_pro>;
usb0_id_det-gpio = <&pio 6 2 GPIO_ACTIVE_HIGH>; /* PG2 */
usb0_vbus_power-supply = <&usb_power_supply>;
usb1_vbus-supply = <&reg_vcc5v0>;
status = "okay";
};