b9f4bc3031
This commit makes use of the axp209.dtsi file to define the AXP209 PMIC. While here, define the rails that are enabled on this board. Tested checking the regulator voltage varies according to the CPU frequency. Signed-off-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
343 lines
6.7 KiB
Plaintext
343 lines
6.7 KiB
Plaintext
/*
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* Copyright 2013 Maxime Ripard
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*
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* Maxime Ripard <maxime.ripard@free-electrons.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 "sun7i-a20.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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/ {
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model = "Olimex A20-Olinuxino Micro";
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compatible = "olimex,a20-olinuxino-micro", "allwinner,sun7i-a20";
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aliases {
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serial0 = &uart0;
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serial1 = &uart6;
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serial2 = &uart7;
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spi0 = &spi1;
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spi1 = &spi2;
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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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leds {
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compatible = "gpio-leds";
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pinctrl-names = "default";
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pinctrl-0 = <&led_pins_olinuxino>;
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green {
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label = "a20-olinuxino-micro:green:usr";
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gpios = <&pio 7 2 GPIO_ACTIVE_HIGH>;
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default-state = "on";
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};
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};
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};
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&ahci {
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target-supply = <®_ahci_5v>;
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status = "okay";
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};
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&codec {
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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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&ehci1 {
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status = "okay";
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};
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&gmac {
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pinctrl-names = "default";
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pinctrl-0 = <&gmac_pins_mii_a>;
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phy = <&phy1>;
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phy-mode = "mii";
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status = "okay";
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phy1: ethernet-phy@1 {
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reg = <1>;
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};
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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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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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&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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eeprom: eeprom@50 {
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compatible = "atmel,24c16";
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reg = <0x50>;
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pagesize = <16>;
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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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};
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&lradc {
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vref-supply = <®_vcc3v0>;
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status = "okay";
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button@191 {
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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 = <191274>;
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};
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button@392 {
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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 = <392644>;
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};
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button@601 {
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label = "Menu";
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linux,code = <KEY_MENU>;
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channel = <0>;
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voltage = <601151>;
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};
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button@795 {
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label = "Search";
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linux,code = <KEY_SEARCH>;
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channel = <0>;
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voltage = <795090>;
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};
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button@987 {
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label = "Home";
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linux,code = <KEY_HOMEPAGE>;
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channel = <0>;
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voltage = <987387>;
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};
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button@1184 {
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label = "Esc";
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linux,code = <KEY_ESC>;
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channel = <0>;
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voltage = <1184678>;
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};
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button@1398 {
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label = "Enter";
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linux,code = <KEY_ENTER>;
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channel = <0>;
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voltage = <1398804>;
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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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&mmc3 {
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pinctrl-names = "default";
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pinctrl-0 = <&mmc3_pins_a>, <&mmc3_cd_pin_olinuxinom>;
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vmmc-supply = <®_vcc3v3>;
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bus-width = <4>;
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cd-gpios = <&pio 7 11 GPIO_ACTIVE_HIGH>; /* PH11 */
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cd-inverted;
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status = "okay";
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};
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&ohci0 {
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status = "okay";
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};
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&ohci1 {
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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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mmc3_cd_pin_olinuxinom: mmc3_cd_pin@0 {
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pins = "PH11";
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function = "gpio_in";
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bias-pull-up;
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};
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led_pins_olinuxino: led_pins@0 {
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pins = "PH2";
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function = "gpio_out";
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drive-strength = <20>;
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};
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usb0_id_detect_pin: usb0_id_detect_pin@0 {
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pins = "PH4";
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function = "gpio_in";
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bias-pull-up;
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};
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usb0_vbus_detect_pin: usb0_vbus_detect_pin@0 {
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pins = "PH5";
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function = "gpio_in";
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bias-pull-down;
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};
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};
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#include "axp209.dtsi"
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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 = <1000000>;
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regulator-max-microvolt = <1400000>;
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regulator-name = "vdd-int-dll";
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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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®_ahci_5v {
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status = "okay";
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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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®_usb2_vbus {
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status = "okay";
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};
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&spi1 {
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pinctrl-names = "default";
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pinctrl-0 = <&spi1_pins_a>,
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<&spi1_cs0_pins_a>;
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status = "okay";
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};
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&spi2 {
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pinctrl-names = "default";
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pinctrl-0 = <&spi2_pins_a>,
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<&spi2_cs0_pins_a>;
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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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&uart6 {
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pinctrl-names = "default";
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pinctrl-0 = <&uart6_pins_a>;
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status = "okay";
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};
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&uart7 {
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pinctrl-names = "default";
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pinctrl-0 = <&uart7_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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usb2_vbus-supply = <®_usb2_vbus>;
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status = "okay";
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};
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