Hi,
On Wed, Aug 31, 2016 at 4:18 PM, Maxime Ripard maxime.ripard@free-electrons.com wrote:
From: Mylène Josserand mylene.josserand@free-electrons.com
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
arch/arm/boot/dts/Makefile | 3 +- arch/arm/boot/dts/gr8-evb.dts | 378 ++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 380 insertions(+), 1 deletion(-) create mode 100644 arch/arm/boot/dts/gr8-evb.dts
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 7dd4a07c4784..8226b0a2e178 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -734,7 +734,8 @@ dtb-$(CONFIG_MACH_SUN5I) += \ sun5i-a13-olinuxino-micro.dtb \ sun5i-a13-q8-tablet.dtb \ sun5i-a13-utoo-p66.dtb \
sun5i-r8-chip.dtb
sun5i-r8-chip.dtb \gr8-evb.dtbdtb-$(CONFIG_MACH_SUN6I) += \ sun6i-a31-app4-evb1.dtb \ sun6i-a31-colombus.dtb \ diff --git a/arch/arm/boot/dts/gr8-evb.dts b/arch/arm/boot/dts/gr8-evb.dts new file mode 100644 index 000000000000..e334d18d7bf0 --- /dev/null +++ b/arch/arm/boot/dts/gr8-evb.dts @@ -0,0 +1,378 @@ +/*
- 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 "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>;};panel {compatible = "allwinner,sun4i-a10-sub-evb-5-lcd";enable-gpios = <&axp_gpio 0 GPIO_ACTIVE_HIGH>;backlight = <&backlight>;power-supply = <®_vcc3v0>;#address-cells = <1>;#size-cells = <0>;port@0 {reg = <0>;#address-cells = <1>;#size-cells = <0>;panel_input: endpoint@0 {reg = <0>;remote-endpoint = <&tcon0_out_panel>;};};};+};
+&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";pcf8563: rtc@51 {compatible = "phg,pcf8563";reg = <0x51>;};wm8978: codec@1a {#sound-dai-cells = <0>;compatible = "wlf,wm8978";reg = <0x1a>;};+};
+&i2c2 {
pinctrl-names = "default";pinctrl-0 = <&i2c2_pins_a>;status = "okay";+};
+&i2s0 {
pinctrl-names = "default";pinctrl-0 = <&i2s0_pins_a>;status = "okay";+};
+&ir0 {
pinctrl-names = "default";pinctrl-0 = <&ir0_rx_pins_a>;status = "okay";+};
+&lradc {
vref-supply = <®_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 = <®_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";+};
+®_dcdc2 {
regulator-min-microvolt = <1000000>;regulator-max-microvolt = <1400000>;regulator-name = "vdd-cpu";regulator-always-on;+};
+®_dcdc3 {
regulator-min-microvolt = <1000000>;regulator-max-microvolt = <1300000>;regulator-name = "vdd-sys";regulator-always-on;+};
+®_ldo1 {
regulator-name = "vdd-rtc";+};
+®_ldo2 {
regulator-min-microvolt = <2700000>;regulator-max-microvolt = <3300000>;regulator-name = "avcc";regulator-always-on;+};
+®_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";+};
+&tcon0 {
pinctrl-names = "default";pinctrl-0 = <&lcd_rgb666_pins>;status = "okay";+};
+&tcon0_out {
#address-cells = <1>;#size-cells = <0>;tcon0_out_panel: endpoint@0 {reg = <0>;remote-endpoint = <&panel_input>;};+};
+&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.*/
IIRC, Hans made OTG work with boards that don't have VBUS control. All you need is a powered hub. And since there's no chance of VBUS going back through the connection to hurt the host on the other end when in peripheral mode, I think it's ok to put it in OTG mode here.
The rest looks fine.
ChenYu
dr_mode = "peripheral";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 = <®_usb1_vbus>;status = "okay";+};
2.9.2