upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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278 lines
6.7 KiB
278 lines
6.7 KiB
/*
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* Copyright 2015 Hans de Goede <hdegoede@redhat.com>
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*
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* This file is dual-licensed: you can use it either under the terms
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* of the GPL or the X11 license, at your option. Note that this dual
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* licensing only applies to this file, and not this project as a
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* whole.
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*
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* a) This file is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This file is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* Or, alternatively,
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*
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* b) Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following
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* conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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/dts-v1/;
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#include "sun4i-a10.dtsi"
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#include "sunxi-common-regulators.dtsi"
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/input/input.h>
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#include <dt-bindings/interrupt-controller/irq.h>
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#include <dt-bindings/pinctrl/sun4i-a10.h>
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#include <dt-bindings/pwm/pwm.h>
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/ {
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model = "Point of View Protab2-IPS9";
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compatible = "pov,protab2-ips9", "allwinner,sun4i-a10";
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aliases {
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serial0 = &uart0;
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};
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backlight: backlight {
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compatible = "pwm-backlight";
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pinctrl-names = "default";
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pinctrl-0 = <&bl_en_pin_protab>;
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pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;
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brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
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default-brightness-level = <8>;
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enable-gpios = <&pio 7 7 GPIO_ACTIVE_HIGH>; /* PH7 */
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};
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chosen {
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stdout-path = "serial0:115200n8";
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};
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};
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&codec {
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pinctrl-names = "default";
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pinctrl-0 = <&codec_pa_pin>;
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allwinner,pa-gpios = <&pio 7 15 GPIO_ACTIVE_HIGH>; /* PH15 */
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status = "okay";
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};
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&cpu0 {
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cpu-supply = <®_dcdc2>;
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};
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&ehci0 {
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status = "okay";
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};
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&i2c0 {
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pinctrl-names = "default";
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pinctrl-0 = <&i2c0_pins_a>;
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status = "okay";
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axp209: pmic@34 {
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reg = <0x34>;
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interrupts = <0>;
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};
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};
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#include "axp209.dtsi"
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&i2c1 {
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pinctrl-names = "default";
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pinctrl-0 = <&i2c1_pins_a>;
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status = "okay";
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/* Accelerometer */
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bma250@18 {
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compatible = "bosch,bma250";
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reg = <0x18>;
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interrupt-parent = <&pio>;
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interrupts = <7 0 IRQ_TYPE_EDGE_RISING>; /* PH0 / EINT0 */
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};
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};
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&i2c2 {
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pinctrl-names = "default";
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pinctrl-0 = <&i2c2_pins_a>;
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status = "okay";
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pixcir_ts@5c {
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pinctrl-names = "default";
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pinctrl-0 = <&touchscreen_pins>;
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compatible = "pixcir,pixcir_tangoc";
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reg = <0x5c>;
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interrupt-parent = <&pio>;
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interrupts = <7 21 IRQ_TYPE_EDGE_FALLING>; /* EINT21 (PH21) */
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attb-gpio = <&pio 7 21 GPIO_ACTIVE_HIGH>; /* PH21 */
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enable-gpios = <&pio 0 5 GPIO_ACTIVE_LOW>;
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wake-gpios = <&pio 1 13 GPIO_ACTIVE_LOW>;
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touchscreen-size-x = <1024>;
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touchscreen-size-y = <768>;
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touchscreen-inverted-x;
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touchscreen-inverted-y;
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};
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};
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&lradc {
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vref-supply = <®_ldo2>;
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status = "okay";
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button@400 {
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label = "Volume Up";
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linux,code = <KEY_VOLUMEUP>;
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channel = <0>;
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voltage = <400000>;
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};
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button@800 {
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label = "Volume Down";
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linux,code = <KEY_VOLUMEDOWN>;
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channel = <0>;
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voltage = <800000>;
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};
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};
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&mmc0 {
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pinctrl-names = "default";
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pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_reference_design>;
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vmmc-supply = <®_vcc3v3>;
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bus-width = <4>;
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cd-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; /* PH1 */
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cd-inverted;
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status = "okay";
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};
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&otg_sram {
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status = "okay";
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};
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&pio {
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bl_en_pin_protab: bl_en_pin@0 {
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allwinner,pins = "PH7";
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allwinner,function = "gpio_out";
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allwinner,drive = <SUN4I_PINCTRL_10_MA>;
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allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
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};
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codec_pa_pin: codec_pa_pin@0 {
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allwinner,pins = "PH15";
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allwinner,function = "gpio_out";
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allwinner,drive = <SUN4I_PINCTRL_10_MA>;
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allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
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};
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touchscreen_pins: touchscreen_pins@0 {
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allwinner,pins = "PA5", "PB13";
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allwinner,function = "gpio_out";
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allwinner,drive = <SUN4I_PINCTRL_10_MA>;
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allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
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};
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usb0_id_detect_pin: usb0_id_detect_pin@0 {
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allwinner,pins = "PH4";
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allwinner,function = "gpio_in";
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allwinner,drive = <SUN4I_PINCTRL_10_MA>;
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allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
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};
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usb0_vbus_detect_pin: usb0_vbus_detect_pin@0 {
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allwinner,pins = "PH5";
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allwinner,function = "gpio_in";
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allwinner,drive = <SUN4I_PINCTRL_10_MA>;
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allwinner,pull = <SUN4I_PINCTRL_PULL_DOWN>;
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};
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};
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&pwm {
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pinctrl-names = "default";
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pinctrl-0 = <&pwm0_pins_a>;
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status = "okay";
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};
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®_dcdc2 {
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regulator-always-on;
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regulator-min-microvolt = <1000000>;
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regulator-max-microvolt = <1400000>;
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regulator-name = "vdd-cpu";
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};
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®_dcdc3 {
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regulator-always-on;
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regulator-min-microvolt = <1250000>;
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regulator-max-microvolt = <1250000>;
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regulator-name = "vdd-int-dll";
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};
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®_ldo1 {
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regulator-name = "vdd-rtc";
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};
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®_ldo2 {
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regulator-always-on;
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regulator-min-microvolt = <3000000>;
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regulator-max-microvolt = <3000000>;
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regulator-name = "avcc";
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};
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®_ldo3 {
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/*
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* We need to always power the camera sensor, otherwhise all access
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* to i2c1 is blocked.
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*/
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regulator-always-on;
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regulator-min-microvolt = <2800000>;
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regulator-max-microvolt = <2800000>;
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regulator-name = "vdd-csi";
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};
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®_usb0_vbus {
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status = "okay";
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};
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®_usb1_vbus {
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status = "okay";
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};
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&uart0 {
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pinctrl-names = "default";
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pinctrl-0 = <&uart0_pins_a>;
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status = "okay";
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};
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&usb_otg {
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dr_mode = "otg";
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status = "okay";
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};
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&usbphy {
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pinctrl-names = "default";
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pinctrl-0 = <&usb0_id_detect_pin>, <&usb0_vbus_detect_pin>;
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usb0_id_det-gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
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usb0_vbus_det-gpio = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */
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usb0_vbus-supply = <®_usb0_vbus>;
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usb1_vbus-supply = <®_usb1_vbus>;
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status = "okay";
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};
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