diff options
Diffstat (limited to 'arch/arm/boot/dts/kirkwood-b3.dts')
| -rw-r--r-- | arch/arm/boot/dts/kirkwood-b3.dts | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/kirkwood-b3.dts b/arch/arm/boot/dts/kirkwood-b3.dts new file mode 100644 index 000000000..a7636fe28 --- /dev/null +++ b/arch/arm/boot/dts/kirkwood-b3.dts @@ -0,0 +1,195 @@ +// 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"; +}; |