// SPDX-License-Identifier: GPL-2.0+
/*
* Device Tree file for Excito Bubba B3
*
* Copyright (C) 2013, Andrew Lunn <andrew@lunn.ch>
*
*
* Note: This requires a new'ish version of u-boot, which disables the
* L2 cache. If your B3 silently fails to boot, u-boot is probably too
* old. Either upgrade, or consider the following email:
*
*
https://lists.debian.org/debian-arm/2012/08/msg00128.html
*/
/dts-v1/;
#include "kirkwood.dtsi"
#include "kirkwood-6281.dtsi"
/ {
model = "Excito B3";
compatible = "excito,b3", "marvell,kirkwood-88f6281", "marvell,kirkwood";
memory { /* 512 MB */
device_type = "memory";
reg = <0x00000000 0x20000000>;
};
chosen {
bootargs = "console=ttyS0,115200n8 earlyprintk";
stdout-path = &uart0;
};
ocp@f1000000 {
pinctrl: pin-controller@10000 {
pmx_button_power: pmx-button-power {
marvell,pins = "mpp39";
marvell,function = "gpio";
};
pmx_led_green: pmx-led-green {
marvell,pins = "mpp38";
marvell,function = "gpio";
};
pmx_led_red: pmx-led-red {
marvell,pins = "mpp41";
marvell,function = "gpio";
};
pmx_led_blue: pmx-led-blue {
marvell,pins = "mpp42";
marvell,function = "gpio";
};
pmx_beeper: pmx-beeper {
marvell,pins = "mpp40";
marvell,function = "gpio";
};
};
spi@10600 {
status = "okay";
m25p16@0 {
#address-cells = <1>;
#size-cells = <1>;
compatible = "st,m25p16", "jedec,spi-nor";
reg = <0>;
spi-max-frequency = <40000000>;
mode = <0>;
partition@0 {
reg = <0x0 0xc0000>;
label = "u-boot";
};
partition@c0000 {
reg = <0xc0000 0x20000>;
label = "u-boot env";
};
partition@e0000 {
reg = <0xe0000 0x120000>;
label = "data";
};
};
};
i2c@11000 {
status = "okay";
/*
* There is something on the bus at address 0x64.
* Not yet identified what it is, maybe the eeprom
* for the Atheros WiFi chip?
*/
};
serial@12000 {
/* Internal on test pins, 3.3v TTL
* UART0_RX = Testpoint 65
* UART0_TX = Testpoint 66
* See the Excito Wiki for more details.
*/
status = "okay";
};
sata@80000 {
/* One internal, the second as eSATA */
status = "okay";
nr-ports = <2>;
};
};
gpio-leds {
/*
* There is one LED "port" on the front and the colours
* mix together giving some interesting combinations.
*/
compatible = "gpio-leds";
pinctrl-0 = < &pmx_led_green &pmx_led_red
&pmx_led_blue >;
pinctrl-names = "default";
programming_led {
label = "bubba3:green:programming";
gpios = <&gpio1 6 GPIO_ACTIVE_HIGH>;
default-state = "off";
};
error_led {
label = "bubba3:red:error";
gpios = <&gpio1 9 GPIO_ACTIVE_HIGH>;
};
active_led {
label = "bubba3:blue:active";
gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>;
};
};
gpio-keys {
compatible = "gpio-keys";
pinctrl-0 = <&pmx_button_power>;
pinctrl-names = "default";
power-button {
/* On the back */
label = "Power Button";
linux,code = <KEY_POWER>;
gpios = <&gpio1 7 GPIO_ACTIVE_LOW>;
};
};
beeper: beeper {
/* 4KHz Piezoelectric buzzer */
compatible = "gpio-beeper";
pinctrl-0 = <&pmx_beeper>;
pinctrl-names = "default";
gpios = <&gpio1 8 GPIO_ACTIVE_HIGH>;
};
};
&mdio {
status = "okay";
ethphy0: ethernet-phy@8 {
device_type = "ethernet-phy";
reg = <8>;
};
ethphy1: ethernet-phy@24 {
device_type = "ethernet-phy";
reg = <24>;
};
};
ð0 {
status = "okay";
ethernet0-port@0 {
phy-handle = <ðphy0>;
};
};
ð1 {
status = "okay";
ethernet1-port@0 {
phy-handle = <ðphy1>;
};
};
/* Wifi model has Atheros chipset on pcie port */
&pciec {
status = "okay";
};
&pcie0 {
status = "okay";
};
