ARM: Kirkwood: Add support for Excito Bubba B3

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>

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index b9d6a8b..8535c13 100644 (file)
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -82,7 +82,8 @@ dtb-$(CONFIG_ARCH_HIGHBANK) += highbank.dtb \
 dtb-$(CONFIG_ARCH_INTEGRATOR) += integratorap.dtb \
        integratorcp.dtb
 dtb-$(CONFIG_ARCH_LPC32XX) += ea3250.dtb phy3250.dtb
-dtb-$(CONFIG_ARCH_KIRKWOOD) += kirkwood-cloudbox.dtb \
+dtb-$(CONFIG_ARCH_KIRKWOOD) += kirkwood-b3.dtb \
+       kirkwood-cloudbox.dtb \
        kirkwood-db-88f6281.dtb \
        kirkwood-db-88f6282.dtb \
        kirkwood-dns320.dtb \

diff --git a/arch/arm/boot/dts/kirkwood-b3.dts b/arch/arm/boot/dts/kirkwood-b3.dts
new file mode 100644 (file)
index 0000000..4079105
--- /dev/null
+++ b/arch/arm/boot/dts/kirkwood-b3.dts
@@ -0,0 +1,204 @@
+/*
+ * 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";
+       };
+
+       mbus {
+               pcie-controller {
+                       status = "okay";
+
+                       /* Wifi model has Atheros chipset on pcie port */
+                       pcie@1,0 {
+                               status = "okay";
+                       };
+               };
+       };
+
+       ocp@f1000000 {
+               pinctrl: pinctrl@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";
+                       pinctrl-0 = <&pmx_spi>;
+                       pinctrl-names = "default";
+
+                       m25p16@0 {
+                               #address-cells = <1>;
+                               #size-cells = <1>;
+                               compatible = "m25p16";
+                               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.
+                        */
+                       pinctrl-0 = <&pmx_uart0>;
+                       pinctrl-names = "default";
+                       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>;
+       };
+};
+
+&eth0 {
+       status = "okay";
+       ethernet0-port@0 {
+               phy-handle = <&ethphy0>;
+       };
+};
+
+&eth1 {
+       status = "okay";
+       ethernet1-port@0 {
+               phy-handle = <&ethphy1>;
+       };
+};
+