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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311 lines
7.7 KiB
311 lines
7.7 KiB
/*
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* Copyright (c) 2016 Andreas Färber
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* Copyright (c) 2016 BayLibre, Inc.
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* Author: Kevin Hilman <khilman@kernel.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 library 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 library 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 "meson-gxbb.dtsi"
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#include <dt-bindings/gpio/gpio.h>
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/ {
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compatible = "hardkernel,odroid-c2", "amlogic,meson-gxbb";
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model = "Hardkernel ODROID-C2";
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aliases {
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serial0 = &uart_AO;
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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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memory@0 {
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device_type = "memory";
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reg = <0x0 0x0 0x0 0x80000000>;
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};
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usb_otg_pwr: regulator-usb-pwrs {
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compatible = "regulator-fixed";
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regulator-name = "USB_OTG_PWR";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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gpio = <&gpio_ao GPIOAO_5 GPIO_ACTIVE_HIGH>;
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enable-active-high;
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};
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leds {
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compatible = "gpio-leds";
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blue {
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label = "c2:blue:alive";
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gpios = <&gpio_ao GPIOAO_13 GPIO_ACTIVE_LOW>;
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linux,default-trigger = "heartbeat";
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default-state = "off";
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};
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};
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tflash_vdd: regulator-tflash_vdd {
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/*
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* signal name from schematics: TFLASH_VDD_EN
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*/
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compatible = "regulator-fixed";
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regulator-name = "TFLASH_VDD";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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gpio = <&gpio GPIOY_12 GPIO_ACTIVE_HIGH>;
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enable-active-high;
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};
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tf_io: gpio-regulator-tf_io {
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compatible = "regulator-gpio";
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regulator-name = "TF_IO";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <3300000>;
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/*
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* signal name from schematics: TF_3V3N_1V8_EN
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*/
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gpios = <&gpio_ao GPIOAO_3 GPIO_ACTIVE_HIGH>;
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gpios-states = <0>;
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states = <3300000 0
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1800000 1>;
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};
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vcc1v8: regulator-vcc1v8 {
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compatible = "regulator-fixed";
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regulator-name = "VCC1V8";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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};
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vcc3v3: regulator-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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emmc_pwrseq: emmc-pwrseq {
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compatible = "mmc-pwrseq-emmc";
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reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
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};
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};
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ðmac {
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status = "okay";
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pinctrl-0 = <ð_rgmii_pins>;
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pinctrl-names = "default";
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phy-handle = <ð_phy0>;
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phy-mode = "rgmii";
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snps,reset-gpio = <&gpio GPIOZ_14 0>;
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snps,reset-delays-us = <0 10000 1000000>;
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snps,reset-active-low;
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amlogic,tx-delay-ns = <2>;
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mdio {
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compatible = "snps,dwmac-mdio";
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#address-cells = <1>;
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#size-cells = <0>;
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eth_phy0: ethernet-phy@0 {
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reg = <0>;
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eee-broken-1000t;
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};
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};
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};
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&gpio_ao {
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/*
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* WARNING: The USB Hub on the Odroid-C2 needs a reset signal
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* to be turned high in order to be detected by the USB Controller
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* This signal should be handled by a USB specific power sequence
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* in order to reset the Hub when USB bus is powered down.
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*/
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usb-hub {
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gpio-hog;
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gpios = <GPIOAO_4 GPIO_ACTIVE_HIGH>;
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output-high;
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line-name = "usb-hub-reset";
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};
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};
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&i2c_A {
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status = "okay";
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pinctrl-0 = <&i2c_a_pins>;
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pinctrl-names = "default";
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};
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&ir {
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status = "okay";
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pinctrl-0 = <&remote_input_ao_pins>;
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pinctrl-names = "default";
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};
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&pinctrl_aobus {
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gpio-line-names = "UART TX", "UART RX", "VCCK En", "TF 3V3/1V8 En",
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"USB HUB nRESET", "USB OTG Power En",
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"J7 Header Pin2", "IR In", "J7 Header Pin4",
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"J7 Header Pin6", "J7 Header Pin5", "J7 Header Pin7",
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"HDMI CEC", "SYS LED";
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};
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&pinctrl_periphs {
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gpio-line-names = /* Bank GPIOZ */
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"Eth MDIO", "Eth MDC", "Eth RGMII RX Clk",
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"Eth RX DV", "Eth RX D0", "Eth RX D1", "Eth RX D2",
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"Eth RX D3", "Eth RGMII TX Clk", "Eth TX En",
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"Eth TX D0", "Eth TX D1", "Eth TX D2", "Eth TX D3",
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"Eth PHY nRESET", "Eth PHY Intc",
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/* Bank GPIOH */
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"HDMI HPD", "HDMI DDC SDA", "HDMI DDC SCL", "",
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/* Bank BOOT */
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"eMMC D0", "eMMC D1", "eMMC D2", "eMMC D3", "eMMC D4",
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"eMMC D5", "eMMC D6", "eMMC D7", "eMMC Clk",
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"eMMC Reset", "eMMC CMD",
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"", "", "", "", "", "", "",
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/* Bank CARD */
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"SDCard D1", "SDCard D0", "SDCard CLK", "SDCard CMD",
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"SDCard D3", "SDCard D2", "SDCard Det",
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/* Bank GPIODV */
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"", "", "", "", "", "", "", "", "", "", "", "", "",
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"", "", "", "", "", "", "", "", "", "", "",
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"I2C A SDA", "I2C A SCK", "I2C B SDA", "I2C B SCK",
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"PWM D", "PWM B",
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/* Bank GPIOY */
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"Revision Bit0", "Revision Bit1", "",
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"J2 Header Pin35", "", "", "", "J2 Header Pin36",
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"J2 Header Pin31", "", "", "", "TF VDD En",
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"J2 Header Pin32", "J2 Header Pin26", "", "",
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/* Bank GPIOX */
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"J2 Header Pin29", "J2 Header Pin24",
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"J2 Header Pin23", "J2 Header Pin22",
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"J2 Header Pin21", "J2 Header Pin18",
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"J2 Header Pin33", "J2 Header Pin19",
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"J2 Header Pin16", "J2 Header Pin15",
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"J2 Header Pin12", "J2 Header Pin13",
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"J2 Header Pin8", "J2 Header Pin10",
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"", "", "", "", "",
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"J2 Header Pin11", "", "J2 Header Pin7",
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/* Bank GPIOCLK */
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"", "", "", "",
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/* GPIO_TEST_N */
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"";
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};
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&saradc {
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status = "okay";
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vref-supply = <&vcc1v8>;
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};
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&scpi_clocks {
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status = "disabled";
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};
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/* SD */
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&sd_emmc_b {
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status = "okay";
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pinctrl-0 = <&sdcard_pins>;
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pinctrl-names = "default";
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bus-width = <4>;
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cap-sd-highspeed;
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max-frequency = <100000000>;
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disable-wp;
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cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_HIGH>;
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cd-inverted;
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vmmc-supply = <&tflash_vdd>;
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vqmmc-supply = <&tf_io>;
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};
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/* eMMC */
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&sd_emmc_c {
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status = "okay";
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pinctrl-0 = <&emmc_pins>;
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pinctrl-names = "default";
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bus-width = <8>;
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cap-sd-highspeed;
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max-frequency = <200000000>;
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non-removable;
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disable-wp;
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cap-mmc-highspeed;
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mmc-ddr-1_8v;
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mmc-hs200-1_8v;
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mmc-pwrseq = <&emmc_pwrseq>;
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vmmc-supply = <&vcc3v3>;
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vqmmc-supply = <&vcc1v8>;
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};
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&uart_AO {
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status = "okay";
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pinctrl-0 = <&uart_ao_a_pins>;
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pinctrl-names = "default";
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};
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&usb0_phy {
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status = "okay";
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phy-supply = <&usb_otg_pwr>;
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};
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&usb1_phy {
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status = "okay";
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};
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&usb0 {
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status = "okay";
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};
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&usb1 {
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status = "okay";
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};
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