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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380 lines
9.8 KiB
380 lines
9.8 KiB
/*
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* sun9i-a80-cx-a99.dts - Device Tree file for the Sunchip CX-A99 board.
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*
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* Copyright (C) 2017 Rask Ingemann Lambertsen <rask@formelder.dk>
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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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/*
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* The Sunchip CX-A99 board is found in several similar Android media
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* players, such as:
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*
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* Instabox Fantasy A8 (no external antenna)
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* Jesurun CS-Q8 (ships with larger remote control)
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* Jesurun Maxone
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* Rikomagic (RKM) MK80/MK80LE
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* Tronsmart Draco AW80 Meta/Telos
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*
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* See the Sunchip CX-A99 page on the Linux-sunxi wiki for more information.
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*/
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/dts-v1/;
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#include "sun9i-a80.dtsi"
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#include <dt-bindings/gpio/gpio.h>
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/ {
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model = "Sunchip CX-A99";
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compatible = "sunchip,cx-a99", "allwinner,sun9i-a80";
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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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leds {
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compatible = "gpio-leds";
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blue {
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gpios = <&pio 6 10 GPIO_ACTIVE_HIGH>; /* PG10 */
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label = "cx-a99:blue:status";
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};
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red {
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gpios = <&pio 6 11 GPIO_ACTIVE_HIGH>; /* PG11 */
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label = "cx-a99:red:status";
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};
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};
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powerseq_wifi: powerseq-wifi {
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compatible = "mmc-pwrseq-simple";
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clocks = <&ac100_rtc 1>;
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clock-names = "ext_clock";
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reset-gpios = <&r_pio 1 0 GPIO_ACTIVE_LOW>; /* PM0 */
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post-power-on-delay-ms = <1>; /* Minimum 2 cycles. */
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};
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/* USB 2.0 connector closest to the 12 V power connector. */
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reg_usb1_vbus: regulator-usb1-vbus {
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compatible = "regulator-fixed";
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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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gpio = <&r_pio 0 7 /* no flag support */ 0>; /* PL7 */
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enable-active-high;
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};
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/* USB 2.0 connector next to the SD card slot. */
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reg_usb3_vbus: regulator-usb3-vbus {
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compatible = "regulator-fixed";
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regulator-name = "usb3-vbus";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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gpio = <&r_pio 0 8 /* no flag support */ 0>; /* PL8 */
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enable-active-high;
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};
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/*
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* OZ80120 voltage regulator for the four Cortex-A15 CPU cores.
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* Although the regulator can output 750 - 1200 mV, the permissible
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* range for the CPU cores is only 800 - 1100 mV.
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*/
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reg_vdd_cpub: regulator-vdd-cpub {
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compatible = "regulator-gpio";
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regulator-always-on;
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regulator-min-microvolt = < 800000>;
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regulator-max-microvolt = <1100000>;
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regulator-name = "vdd-cpub";
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/* Note: GPIO flags are not supported here . */
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enable-gpio = <&r_pio 0 2 /* flags n/a */ 0>; /* PL2 */
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enable-active-high;
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gpios = <&r_pio 0 3 /* no flag support */ 0>, /* PL3 */
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<&r_pio 0 4 /* no flag support */ 0>, /* PL4 */
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<&r_pio 0 5 /* no flag support */ 0>; /* PL5 */
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gpios-states = <1 0 0>;
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states = < 750000 0x7
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800000 0x3
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850000 0x5
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900000 0x1
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950000 0x6
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1000000 0x2
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1100000 0x4
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1200000 0x0>;
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};
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};
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&ehci0 {
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status = "okay";
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};
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&ehci2 {
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status = "okay";
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};
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/*
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* SD card slot. Although the GPIO pin for card detection is listed as capable
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* of generating interrupts in the "A80 User Manual", this doesn't work for
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* some unknown reason, so poll the GPIO for card detection. This is also what
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* the vendor sys_config.fex file specifies.
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*/
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&mmc0 {
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bus-width = <4>;
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cd-gpios = <&pio 7 17 GPIO_ACTIVE_LOW>; /* PH17 */
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broken-cd; /* Poll. */
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pinctrl-names = "default";
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pinctrl-0 = <&mmc0_pins>;
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vmmc-supply = <®_dcdce>;
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status = "okay";
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};
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/* Ampak AP6335 IEEE 802.11 a/b/g/n/ac Wifi. */
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&mmc1 {
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bus-width = <4>;
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non-removable;
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pinctrl-names = "default";
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pinctrl-0 = <&mmc1_pins>;
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vmmc-supply = <®_cldo3>; /* See cldo2,cldo3 note. */
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vqmmc-supply = <®_aldo2>;
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mmc-pwrseq = <&powerseq_wifi>;
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status = "okay";
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};
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/* On-board eMMC card. */
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&mmc2 {
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bus-width = <8>;
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non-removable;
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pinctrl-names = "default";
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pinctrl-0 = <&mmc2_8bit_pins>;
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vmmc-supply = <®_dcdce>;
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status = "okay";
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};
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&osc32k {
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clocks = <&ac100_rtc 0>;
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};
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&r_ir {
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status = "okay";
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};
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&r_rsb {
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status = "okay";
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ac100: codec@e89 {
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compatible = "x-powers,ac100";
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reg = <0xe89>;
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ac100_codec: codec {
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compatible = "x-powers,ac100-codec";
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interrupt-parent = <&r_pio>;
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interrupts = <0 9 IRQ_TYPE_LEVEL_LOW>; /* PL9 */
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#clock-cells = <0>;
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clock-output-names = "4M_adda";
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};
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ac100_rtc: rtc {
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compatible = "x-powers,ac100-rtc";
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interrupt-parent = <&nmi_intc>;
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interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
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clocks = <&ac100_codec>;
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#clock-cells = <1>;
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clock-output-names = "cko1_rtc",
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"cko2_rtc",
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"cko3_rtc";
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};
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};
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pmic@745 {
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compatible = "x-powers,axp808", "x-powers,axp806";
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x-powers,master-mode;
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reg = <0x745>;
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interrupt-parent = <&nmi_intc>;
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interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
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interrupt-controller;
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#interrupt-cells = <1>;
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swin-supply = <®_dcdce>;
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regulators {
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reg_aldo1: aldo1 {
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regulator-boot-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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/* Supplies pin groups G and M. */
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reg_aldo2: aldo2 {
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regulator-boot-on;
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <3600000>;
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regulator-name = "vddio-wifi-codec";
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};
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reg_aldo3: aldo3 {
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regulator-boot-on;
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regulator-min-microvolt = <2500000>;
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regulator-max-microvolt = <2500000>;
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regulator-name = "vddio-gmac";
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};
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reg_bldo1: bldo1 {
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regulator-always-on; /* Hang if disabled */
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regulator-min-microvolt = <1700000>;
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regulator-max-microvolt = <1900000>;
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regulator-name = "vdd18-dll-vcc18-pll";
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};
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reg_bldo2: bldo2 {
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regulator-always-on; /* Hang if disabled */
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regulator-min-microvolt = < 800000>;
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regulator-max-microvolt = <1100000>;
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regulator-name = "vdd-cpus";
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};
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reg_bldo3: bldo3 {
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regulator-min-microvolt = <1100000>;
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regulator-max-microvolt = <1300000>;
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regulator-name = "vcc12-hsic";
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};
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reg_bldo4: bldo4 {
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regulator-boot-on;
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regulator-min-microvolt = < 800000>;
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regulator-max-microvolt = <1100000>;
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regulator-name = "vdd09-hdmi";
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};
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/* Supplies PLx pins which control some regulators. */
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reg_cldo1: cldo1 {
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regulator-always-on;
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-name = "vcc-pl-led";
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};
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/*
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* cldo2 and cldo3 are connected in parallel.
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* There is currently no way to express that.
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* For now, use regulator-always-on on cldo2 and lock
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* the voltage on both to 3.3 V.
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*/
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reg_cldo2: cldo2 {
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regulator-always-on;
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-name = "vbat2-wifi+bt";
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};
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reg_cldo3: cldo3 {
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-name = "vbat1-wifi+bt";
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};
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reg_dcdca: dcdca {
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regulator-always-on;
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regulator-min-microvolt = < 800000>;
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regulator-max-microvolt = <1100000>;
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regulator-name = "vdd-cpua";
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};
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reg_dcdcb: dcdcb {
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regulator-always-on;
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regulator-min-microvolt = <1450000>;
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regulator-max-microvolt = <1550000>;
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regulator-name = "vcc-dram";
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};
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reg_dcdcc: dcdcc {
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regulator-min-microvolt = < 800000>;
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regulator-max-microvolt = <1100000>;
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regulator-name = "vdd-gpu";
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};
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reg_dcdcd: dcdcd {
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regulator-always-on; /* Hang if disabled. */
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regulator-min-microvolt = < 800000>;
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regulator-max-microvolt = <1100000>;
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regulator-name = "vdd-sys";
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};
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/* Supplies pin groups B-F and H. */
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reg_dcdce: dcdce {
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regulator-always-on;
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-name = "vcc-io-mmc-spdif";
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};
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reg_sw: sw {
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-name = "vcc-gmac-codec";
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};
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};
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};
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};
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/*
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* 5-pin connector opposite of the SD card slot:
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* 1 = GND (pointed to by small triangle), 2 = GND, 3 = 3.3 V, 4 = RX, 5 = TX.
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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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&usbphy1 {
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phy-supply = <®_usb1_vbus>;
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status = "okay";
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};
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&usbphy3 {
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phy-supply = <®_usb3_vbus>;
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status = "okay";
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};
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