arm: orion5x: convert 'LaCie Ethernet Disk mini v2' to Device Tree

This commit converts the 'LaCie Ethernet Disk mini v2' board to the
Device Tree. All devices that have existing Device Tree bindings are
converted over to the Device Tree, the other devices remain
instantiated in the old way, until the respective drivers get the
needed Device Tree bindings.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Tested by: Maxime Hadjinlian <mhadjinlian@lacie.com>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

arch/arm/boot/dts/Makefile

@@ -81,6 +81,7 @@ dtb-$(CONFIG_ARCH_OMAP2PLUS) += omap2420-h4.dtb \
 	omap5-evm.dtb \
 	am335x-evm.dtb \
 	am335x-bone.dtb
+dtb-$(CONFIG_ARCH_ORION5X) += orion5x-lacie-ethernet-disk-mini-v2.dtb
 dtb-$(CONFIG_ARCH_PRIMA2) += prima2-evb.dtb
 dtb-$(CONFIG_ARCH_U8500) += snowball.dtb
 dtb-$(CONFIG_ARCH_SHMOBILE) += emev2-kzm9d.dtb \

arch/arm/boot/dts/orion5x-lacie-ethernet-disk-mini-v2.dts

@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2012 Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+/dts-v1/;
+/include/ "orion5x.dtsi"
+
+/ {
+	model = "LaCie Ethernet Disk mini V2";
+	compatible = "lacie,ethernet-disk-mini-v2", "marvell-orion5x-88f5182", "marvell,orion5x";
+
+	memory {
+		reg = <0x00000000 0x4000000>; /* 64 MB */
+	};
+
+	chosen {
+		bootargs = "console=ttyS0,115200n8 earlyprintk";
+	};
+
+	ocp@f1000000 {
+		serial@12000 {
+			clock-frequency = <166666667>;
+			status = "okay";
+		};
+
+		sata@80000 {
+			status = "okay";
+			nr-ports = <2>;
+		};
+	};
+
+	gpio_keys {
+		compatible = "gpio-keys";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		button@1 {
+			label = "Power-on Switch";
+			linux,code = <116>; /* KEY_POWER */
+			gpios = <&gpio0 18 0>;
+		};
+	};
+
+	gpio_leds {
+		compatible = "gpio-leds";
+
+		led@1 {
+			label = "power:blue";
+			gpios = <&gpio0 16 1>;
+		};
+	};
+};

arch/arm/mach-orion5x/Kconfig

@@ -103,12 +103,13 @@ config MACH_MV2120
 	  Say 'Y' here if you want your kernel to support the
 	  HP Media Vault mv2120 or mv5100.
 
-config MACH_EDMINI_V2
-	bool "LaCie Ethernet Disk mini V2"
+config MACH_EDMINI_V2_DT
+	bool "LaCie Ethernet Disk mini V2 (Flattened Device Tree)"
 	select I2C_BOARDINFO
+	select ARCH_ORION5X_DT
 	help
 	  Say 'Y' here if you want your kernel to support the
-	  LaCie Ethernet Disk mini V2.
+	  LaCie Ethernet Disk mini V2 (Flattened Device Tree).
 
 config MACH_D2NET
 	bool "LaCie d2 Network"

arch/arm/mach-orion5x/Makefile

@@ -12,7 +12,6 @@ obj-$(CONFIG_MACH_TS409)	+= ts409-setup.o tsx09-common.o
 obj-$(CONFIG_MACH_WRT350N_V2)	+= wrt350n-v2-setup.o
 obj-$(CONFIG_MACH_TS78XX)	+= ts78xx-setup.o
 obj-$(CONFIG_MACH_MV2120)	+= mv2120-setup.o
-obj-$(CONFIG_MACH_EDMINI_V2)	+= edmini_v2-setup.o
 obj-$(CONFIG_MACH_D2NET)	+= d2net-setup.o
 obj-$(CONFIG_MACH_BIGDISK)	+= d2net-setup.o
 obj-$(CONFIG_MACH_NET2BIG)	+= net2big-setup.o
@@ -24,3 +23,4 @@ obj-$(CONFIG_MACH_RD88F6183AP_GE)	+= rd88f6183ap-ge-setup.o
 obj-$(CONFIG_MACH_LINKSTATION_LSCHL)	+= ls-chl-setup.o
 
 obj-$(CONFIG_ARCH_ORION5X_DT)		+= board-dt.o
+obj-$(CONFIG_MACH_EDMINI_V2_DT)	+= edmini_v2-setup.o

arch/arm/mach-orion5x/board-dt.c

@@ -55,6 +55,9 @@ static void __init orion5x_dt_init(void)
 		disable_hlt();
 	}
 
+	if (of_machine_is_compatible("lacie,ethernet-disk-mini-v2"))
+		edmini_v2_init();
+
 	of_platform_populate(NULL, of_default_bus_match_table,
 			     orion5x_auxdata_lookup, NULL);
 }

arch/arm/mach-orion5x/common.h

@@ -56,6 +56,13 @@ int orion5x_pci_sys_setup(int nr, struct pci_sys_data *sys);
 struct pci_bus *orion5x_pci_sys_scan_bus(int nr, struct pci_sys_data *sys);
 int orion5x_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin);
 
+/* board init functions for boards not fully converted to fdt */
+#ifdef CONFIG_MACH_EDMINI_V2_DT
+void edmini_v2_init(void);
+#else
+static inline void edmini_v2_init(void) {};
+#endif
+
 struct meminfo;
 struct tag;
 extern void __init tag_fixup_mem32(struct tag *, char **, struct meminfo *);

arch/arm/mach-orion5x/edmini_v2-setup.c

@@ -114,69 +114,6 @@ static struct i2c_board_info __initdata edmini_v2_i2c_rtc = {
 	.irq = 0,
 };
 
-/*****************************************************************************
- * Sata
- ****************************************************************************/
-
-static struct mv_sata_platform_data edmini_v2_sata_data = {
-	.n_ports	= 2,
-};
-
-/*****************************************************************************
- * GPIO LED (simple - doesn't use hardware blinking support)
- ****************************************************************************/
-
-#define EDMINI_V2_GPIO_LED_POWER	16
-
-static struct gpio_led edmini_v2_leds[] = {
-	{
-		.name = "power:blue",
-		.gpio = EDMINI_V2_GPIO_LED_POWER,
-		.active_low = 1,
-	},
-};
-
-static struct gpio_led_platform_data edmini_v2_led_data = {
-	.num_leds = ARRAY_SIZE(edmini_v2_leds),
-	.leds = edmini_v2_leds,
-};
-
-static struct platform_device edmini_v2_gpio_leds = {
-	.name           = "leds-gpio",
-	.id             = -1,
-	.dev            = {
-		.platform_data  = &edmini_v2_led_data,
-	},
-};
-
-/****************************************************************************
- * GPIO key
- ****************************************************************************/
-
-#define EDMINI_V2_GPIO_KEY_POWER	18
-
-static struct gpio_keys_button edmini_v2_buttons[] = {
-	{
-		.code		= KEY_POWER,
-		.gpio		= EDMINI_V2_GPIO_KEY_POWER,
-		.desc		= "Power Button",
-		.active_low	= 0,
-	},
-};
-
-static struct gpio_keys_platform_data edmini_v2_button_data = {
-	.buttons	= edmini_v2_buttons,
-	.nbuttons	= ARRAY_SIZE(edmini_v2_buttons),
-};
-
-static struct platform_device edmini_v2_gpio_buttons = {
-	.name		= "gpio-keys",
-	.id		= -1,
-	.dev		= {
-		.platform_data	= &edmini_v2_button_data,
-	},
-};
-
 /*****************************************************************************
  * General Setup
  ****************************************************************************/
@@ -207,29 +144,19 @@ static unsigned int edminiv2_mpp_modes[] __initdata = {
 	0,
 };
 
-static void __init edmini_v2_init(void)
+void __init edmini_v2_init(void)
 {
-	/*
-	 * Setup basic Orion functions. Need to be called early.
-	 */
-	orion5x_init();
-
 	orion5x_mpp_conf(edminiv2_mpp_modes);
 
 	/*
 	 * Configure peripherals.
 	 */
 	orion5x_ehci0_init();
 	orion5x_eth_init(&edmini_v2_eth_data);
-	orion5x_i2c_init();
-	orion5x_sata_init(&edmini_v2_sata_data);
-	orion5x_uart0_init();
 
 	orion5x_setup_dev_boot_win(EDMINI_V2_NOR_BOOT_BASE,
 				EDMINI_V2_NOR_BOOT_SIZE);
 	platform_device_register(&edmini_v2_nor_flash);
-	platform_device_register(&edmini_v2_gpio_leds);
-	platform_device_register(&edmini_v2_gpio_buttons);
 
 	pr_notice("edmini_v2: USB device port, flash write and power-off "
 		  "are not yet supported.\n");
@@ -247,16 +174,3 @@ static void __init edmini_v2_init(void)
 
 	i2c_register_board_info(0, &edmini_v2_i2c_rtc, 1);
 }
-
-/* Warning: LaCie use a wrong mach-type (0x20e=526) in their bootloader. */
-MACHINE_START(EDMINI_V2, "LaCie Ethernet Disk mini V2")
-	/* Maintainer: Christopher Moore <moore@free.fr> */
-	.atag_offset	= 0x100,
-	.init_machine	= edmini_v2_init,
-	.map_io		= orion5x_map_io,
-	.init_early	= orion5x_init_early,
-	.init_irq	= orion5x_init_irq,
-	.timer		= &orion5x_timer,
-	.fixup		= tag_fixup_mem32,
-	.restart	= orion5x_restart,
-MACHINE_END