| /* |
| * Device Tree file for Excito Bubba B3 |
| * |
| * Copyright (C) 2013, Andrew Lunn <andrew@lunn.ch> |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation; either version |
| * 2 of the License, or (at your option) any later version. |
| * |
| * 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: |
| * |
| * http://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"; |
| }; |