[PATCH v2] ARM: Kirkwood: Add support for Excito Bubba B3

[Andrew Lunn]

The Excito Bubba B3 is a home server, single drive NAS box, Wifi
access point, etc.

Signed-off-by: Andrew Lunn <andrew at lunn.ch>
---
v2:
s/driver/drive
Sort ocp DT entries
Add comment about Serial port RX/TX test points
Replace linux specific DT led properties with generic equivelent.
---
 arch/arm/boot/dts/Makefile        |    3 +-
 arch/arm/boot/dts/kirkwood-b3.dts |  204 +++++++++++++++++++++++++++++++++++++
 2 files changed, 206 insertions(+), 1 deletion(-)
 create mode 100644 arch/arm/boot/dts/kirkwood-b3.dts

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index adcc6067eb13..0447d726a6bc 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -71,7 +71,8 @@ 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
index 000000000000..40791053106b
--- /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 at 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 at 1,0 {
+				status = "okay";
+			};
+		};
+	};
+
+	ocp at f1000000 {
+		pinctrl: pinctrl at 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 at 10600 {
+			status = "okay";
+			pinctrl-0 = <&pmx_spi>;
+			pinctrl-names = "default";
+
+			m25p16 at 0 {
+				#address-cells = <1>;
+				#size-cells = <1>;
+				compatible = "m25p16";
+				reg = <0>;
+				spi-max-frequency = <40000000>;
+				mode = <0>;
+
+				partition at 0 {
+					reg = <0x0 0xc0000>;
+					label = "u-boot";
+				};
+
+				partition at c0000 {
+					reg = <0xc0000 0x20000>;
+					label = "u-boot env";
+				};
+
+				partition at e0000 {
+					reg = <0xe0000 0x120000>;
+					label = "data";
+				};
+			};
+		};
+
+		i2c at 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 at 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 at 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 at 8 {
+		device_type = "ethernet-phy";
+		reg = <8>;
+	};
+
+	ethphy1: ethernet-phy at 24 {
+		device_type = "ethernet-phy";
+		reg = <24>;
+	};
+};
+
+&eth0 {
+	status = "okay";
+	ethernet0-port at 0 {
+		phy-handle = <&ethphy0>;
+	};
+};
+
+&eth1 {
+	status = "okay";
+	ethernet1-port at 0 {
+		phy-handle = <&ethphy1>;
+	};
+};
+
-- 
1.7.10.4