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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264 lines
6.3 KiB
264 lines
6.3 KiB
/*
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* Copyright 2014 Siarhei Siamashka <siarhei.siamashka@gmail.com>
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* Copyright 2015 Karsten Merker <merker@debian.org>
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* Copyright 2015 Chen-Yu Tsai <wens@csie.org>
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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 "sun6i-a31s.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/pinctrl/sun4i-a10.h>
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/ {
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model = "MSI Primo81 tablet";
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compatible = "msi,primo81", "allwinner,sun6i-a31s";
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aliases {
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serial0 = &uart0;
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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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&cpu0 {
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cpu-supply = <®_dcdc3>;
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};
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&ehci0 {
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/* rtl8188etv wifi is connected here */
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status = "okay";
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};
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&i2c0 {
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/* pull-ups and device VDDIO use AXP221 DLDO3 */
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pinctrl-names = "default";
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pinctrl-0 = <&i2c0_pins_a>;
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status = "failed";
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};
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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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ctp@5d {
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pinctrl-names = "default";
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pinctrl-0 = <>911_int_primo81>;
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compatible = "goodix,gt911";
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reg = <0x5d>;
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interrupt-parent = <&pio>;
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interrupts = <0 3 IRQ_TYPE_LEVEL_HIGH>; /* PA3 */
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touchscreen-swapped-x-y;
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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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accelerometer@1c {
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pinctrl-names = "default";
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pinctrl-0 = <&mma8452_int_primo81>;
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compatible = "fsl,mma8452";
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reg = <0x1c>;
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interrupt-parent = <&pio>;
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interrupts = <0 9 IRQ_TYPE_LEVEL_HIGH>; /* PA9 */
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#io-channel-cells = <1>;
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};
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};
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&lradc {
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vref-supply = <®_aldo3>;
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status = "okay";
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button@158 {
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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 = <158730>;
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};
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button@349 {
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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 = <349206>;
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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_primo81>;
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vmmc-supply = <®_dcdc1>;
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bus-width = <4>;
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cd-gpios = <&pio 0 8 GPIO_ACTIVE_HIGH>; /* PA8 */
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cd-inverted;
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status = "okay";
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};
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&pio {
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gt911_int_primo81: gt911_int_pin@0 {
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allwinner,pins = "PA3";
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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_NO_PULL>;
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};
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mma8452_int_primo81: mma8452_int_pin@0 {
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allwinner,pins = "PA9";
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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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mmc0_cd_pin_primo81: mmc0_cd_pin@0 {
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allwinner,pins = "PA8";
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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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};
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&p2wi {
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status = "okay";
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axp22x: pmic@68 {
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compatible = "x-powers,axp221";
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reg = <0x68>;
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interrupt-parent = <&nmi_intc>;
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interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
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};
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};
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#include "axp22x.dtsi"
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®_aldo3 {
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regulator-always-on;
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regulator-min-microvolt = <2700000>;
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regulator-max-microvolt = <3300000>;
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regulator-name = "avcc";
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};
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®_dc1sw {
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regulator-min-microvolt = <3000000>;
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regulator-max-microvolt = <3000000>;
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regulator-name = "vcc-lcd";
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};
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®_dc5ldo {
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regulator-min-microvolt = <700000>;
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regulator-max-microvolt = <1320000>;
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regulator-name = "vdd-cpus"; /* This is an educated guess */
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};
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®_dcdc1 {
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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 = "vcc-3v0";
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};
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®_dcdc2 {
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regulator-min-microvolt = <700000>;
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regulator-max-microvolt = <1320000>;
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regulator-name = "vdd-gpu";
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};
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®_dcdc3 {
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regulator-always-on;
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regulator-min-microvolt = <700000>;
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regulator-max-microvolt = <1320000>;
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regulator-name = "vdd-cpu";
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};
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®_dcdc4 {
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regulator-always-on;
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regulator-min-microvolt = <700000>;
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regulator-max-microvolt = <1320000>;
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regulator-name = "vdd-sys-dll";
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};
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®_dcdc5 {
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regulator-always-on;
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regulator-min-microvolt = <1500000>;
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regulator-max-microvolt = <1500000>;
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regulator-name = "vcc-dram";
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};
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®_dldo1 {
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-name = "vcc-wifi";
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};
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®_dldo3 {
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regulator-min-microvolt = <2800000>;
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regulator-max-microvolt = <2800000>;
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regulator-name = "vddio-csi";
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};
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®_eldo3 {
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regulator-min-microvolt = <1080000>;
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regulator-max-microvolt = <1320000>;
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regulator-name = "vdd-mipi-bridge";
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};
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&simplefb_lcd {
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vcc-lcd-supply = <®_dc1sw>;
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vdd-mipi-bridge-supply = <®_eldo3>;
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};
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&usb_otg {
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/* otg support requires support for AXP221 usb-power-supply and GPIO */
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dr_mode = "host";
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status = "okay";
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};
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&usbphy {
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usb1_vbus-supply = <®_dldo1>;
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status = "okay";
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};
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