![Andrew Lunn](/assets/img/avatar_default.png)
The Excito Bubba B3 is a home server, single drive NAS box, Wifi access point, etc. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
205 lines
4 KiB
Plaintext
205 lines
4 KiB
Plaintext
/*
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* Device Tree file for Excito Bubba B3
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*
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* Copyright (C) 2013, Andrew Lunn <andrew@lunn.ch>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*
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* Note: This requires a new'ish version of u-boot, which disables the
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* L2 cache. If your B3 silently fails to boot, u-boot is probably too
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* old. Either upgrade, or consider the following email:
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*
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* http://lists.debian.org/debian-arm/2012/08/msg00128.html
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*/
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/dts-v1/;
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#include "kirkwood.dtsi"
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#include "kirkwood-6281.dtsi"
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/ {
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model = "Excito B3";
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compatible = "excito,b3", "marvell,kirkwood-88f6281", "marvell,kirkwood";
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memory { /* 512 MB */
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device_type = "memory";
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reg = <0x00000000 0x20000000>;
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};
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chosen {
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bootargs = "console=ttyS0,115200n8 earlyprintk";
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};
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mbus {
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pcie-controller {
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status = "okay";
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/* Wifi model has Atheros chipset on pcie port */
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pcie@1,0 {
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status = "okay";
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};
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};
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};
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ocp@f1000000 {
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pinctrl: pinctrl@10000 {
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pmx_button_power: pmx-button-power {
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marvell,pins = "mpp39";
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marvell,function = "gpio";
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};
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pmx_led_green: pmx-led-green {
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marvell,pins = "mpp38";
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marvell,function = "gpio";
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};
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pmx_led_red: pmx-led-red {
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marvell,pins = "mpp41";
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marvell,function = "gpio";
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};
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pmx_led_blue: pmx-led-blue {
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marvell,pins = "mpp42";
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marvell,function = "gpio";
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};
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pmx_beeper: pmx-beeper {
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marvell,pins = "mpp40";
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marvell,function = "gpio";
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};
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};
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spi@10600 {
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status = "okay";
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pinctrl-0 = <&pmx_spi>;
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pinctrl-names = "default";
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m25p16@0 {
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#address-cells = <1>;
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#size-cells = <1>;
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compatible = "m25p16";
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reg = <0>;
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spi-max-frequency = <40000000>;
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mode = <0>;
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partition@0 {
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reg = <0x0 0xc0000>;
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label = "u-boot";
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};
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partition@c0000 {
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reg = <0xc0000 0x20000>;
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label = "u-boot env";
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};
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partition@e0000 {
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reg = <0xe0000 0x120000>;
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label = "data";
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};
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};
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};
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i2c@11000 {
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status = "okay";
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/*
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* There is something on the bus at address 0x64.
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* Not yet identified what it is, maybe the eeprom
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* for the Atheros WiFi chip?
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*/
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};
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serial@12000 {
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/* Internal on test pins, 3.3v TTL
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* UART0_RX = Testpoint 65
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* UART0_TX = Testpoint 66
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* See the Excito Wiki for more details.
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*/
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pinctrl-0 = <&pmx_uart0>;
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pinctrl-names = "default";
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status = "okay";
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};
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sata@80000 {
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/* One internal, the second as eSATA */
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status = "okay";
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nr-ports = <2>;
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};
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};
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gpio-leds {
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/*
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* There is one LED "port" on the front and the colours
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* mix together giving some interesting combinations.
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*/
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compatible = "gpio-leds";
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pinctrl-0 = < &pmx_led_green &pmx_led_red
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&pmx_led_blue >;
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pinctrl-names = "default";
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programming_led {
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label = "bubba3:green:programming";
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gpios = <&gpio1 6 GPIO_ACTIVE_HIGH>;
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default-state = "off";
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};
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error_led {
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label = "bubba3:red:error";
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gpios = <&gpio1 9 GPIO_ACTIVE_HIGH>;
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};
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active_led {
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label = "bubba3:blue:active";
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gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>;
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};
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};
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gpio-keys {
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compatible = "gpio-keys";
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pinctrl-0 = <&pmx_button_power>;
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pinctrl-names = "default";
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power-button {
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/* On the back */
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label = "Power Button";
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linux,code = <KEY_POWER>;
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gpios = <&gpio1 7 GPIO_ACTIVE_LOW>;
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};
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};
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beeper: beeper {
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/* 4KHz Piezoelectric buzzer */
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compatible = "gpio-beeper";
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pinctrl-0 = <&pmx_beeper>;
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pinctrl-names = "default";
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gpios = <&gpio1 8 GPIO_ACTIVE_HIGH>;
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};
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};
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&mdio {
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status = "okay";
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ethphy0: ethernet-phy@8 {
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device_type = "ethernet-phy";
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reg = <8>;
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};
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ethphy1: ethernet-phy@24 {
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device_type = "ethernet-phy";
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reg = <24>;
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};
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};
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ð0 {
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status = "okay";
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ethernet0-port@0 {
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phy-handle = <ðphy0>;
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};
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};
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ð1 {
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status = "okay";
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ethernet1-port@0 {
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phy-handle = <ðphy1>;
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};
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};
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