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b5977f389d
u-boot will have turned on the power to the usb host ports, so mark them as regulator-boot-on, this stops the power on the ports from temporarily getting turned off during boot, causing issues with e.g. usb powered harddisks. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
151 lines
4.7 KiB
Plaintext
151 lines
4.7 KiB
Plaintext
/*
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* sunxi boards common regulator (ahci target power supply, usb-vbus) code
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*
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* Copyright 2014 - 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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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/pinctrl/sun4i-a10.h>
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&pio {
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ahci_pwr_pin_a: ahci_pwr_pin@0 {
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allwinner,pins = "PB8";
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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_vbus_pin_a: usb0_vbus_pin@0 {
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allwinner,pins = "PB9";
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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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usb1_vbus_pin_a: usb1_vbus_pin@0 {
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allwinner,pins = "PH6";
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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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usb2_vbus_pin_a: usb2_vbus_pin@0 {
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allwinner,pins = "PH3";
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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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};
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/ {
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reg_ahci_5v: ahci-5v {
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compatible = "regulator-fixed";
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pinctrl-names = "default";
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pinctrl-0 = <&ahci_pwr_pin_a>;
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regulator-name = "ahci-5v";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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regulator-boot-on;
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enable-active-high;
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gpio = <&pio 1 8 GPIO_ACTIVE_HIGH>;
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status = "disabled";
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};
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reg_usb0_vbus: usb0-vbus {
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compatible = "regulator-fixed";
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pinctrl-names = "default";
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pinctrl-0 = <&usb0_vbus_pin_a>;
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regulator-name = "usb0-vbus";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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enable-active-high;
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gpio = <&pio 1 9 GPIO_ACTIVE_HIGH>;
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status = "disabled";
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};
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reg_usb1_vbus: usb1-vbus {
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compatible = "regulator-fixed";
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pinctrl-names = "default";
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pinctrl-0 = <&usb1_vbus_pin_a>;
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regulator-name = "usb1-vbus";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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regulator-boot-on;
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enable-active-high;
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gpio = <&pio 7 6 GPIO_ACTIVE_HIGH>;
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status = "disabled";
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};
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reg_usb2_vbus: usb2-vbus {
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compatible = "regulator-fixed";
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pinctrl-names = "default";
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pinctrl-0 = <&usb2_vbus_pin_a>;
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regulator-name = "usb2-vbus";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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regulator-boot-on;
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enable-active-high;
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gpio = <&pio 7 3 GPIO_ACTIVE_HIGH>;
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status = "disabled";
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};
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reg_vcc3v0: vcc3v0 {
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compatible = "regulator-fixed";
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regulator-name = "vcc3v0";
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regulator-min-microvolt = <3000000>;
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regulator-max-microvolt = <3000000>;
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};
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reg_vcc3v3: vcc3v3 {
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compatible = "regulator-fixed";
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regulator-name = "vcc3v3";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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};
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reg_vcc5v0: vcc5v0 {
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compatible = "regulator-fixed";
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regulator-name = "vcc5v0";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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};
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};
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