[ARM] pxa/raumfeld: add platform support

This adds support for Raumfeld's 'Controller', 'Connector', 'Speaker S'
and 'Speaker M' devices. They're all based on PXA303 SoCs.

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>

1 files changed, 1100 insertions, 0 deletions

diff --git a/arch/arm/mach-pxa/raumfeld.c b/arch/arm/mach-pxa/raumfeld.c
new file mode 100644
index 000000000000..06717d7995cb
--- /dev/null
+++ b/arch/arm/mach-pxa/raumfeld.c
@@ -0,0 +1,1100 @@
+/*
+ * arch/arm/mach-pxa/raumfeld.c
+ *
+ * Support for the following Raumfeld devices:
+ *
+ * 	* Controller
+ *  	* Connector
+ *  	* Speaker S/M
+ *
+ * See http://www.raumfeld.com for details.
+ *
+ * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/sysdev.h>
+#include <linux/platform_device.h>
+#include <linux/interrupt.h>
+#include <linux/gpio.h>
+#include <linux/smsc911x.h>
+#include <linux/input.h>
+#include <linux/rotary_encoder.h>
+#include <linux/gpio_keys.h>
+#include <linux/input/eeti_ts.h>
+#include <linux/leds.h>
+#include <linux/w1-gpio.h>
+#include <linux/sched.h>
+#include <linux/pwm_backlight.h>
+#include <linux/i2c.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/spi_gpio.h>
+#include <linux/lis3lv02d.h>
+#include <linux/pda_power.h>
+#include <linux/power_supply.h>
+#include <linux/pda_power.h>
+#include <linux/power_supply.h>
+#include <linux/regulator/max8660.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/consumer.h>
+#include <linux/delay.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+
+#include <mach/hardware.h>
+#include <mach/pxa3xx-regs.h>
+#include <mach/mfp-pxa3xx.h>
+#include <mach/mfp-pxa300.h>
+#include <mach/ohci.h>
+#include <mach/pxafb.h>
+#include <mach/mmc.h>
+#include <plat/i2c.h>
+#include <plat/pxa3xx_nand.h>
+
+#include "generic.h"
+#include "devices.h"
+#include "clock.h"
+
+/* common GPIO	definitions */
+
+/* inputs */
+#define GPIO_ON_OFF		(14)
+#define GPIO_VOLENC_A		(19)
+#define GPIO_VOLENC_B		(20)
+#define GPIO_CHARGE_DONE	(23)
+#define GPIO_CHARGE_IND		(27)
+#define GPIO_TOUCH_IRQ		(32)
+#define GPIO_ETH_IRQ		(40)
+#define GPIO_SPI_MISO		(98)
+#define GPIO_ACCEL_IRQ		(104)
+#define GPIO_RESCUE_BOOT	(115)
+#define GPIO_DOCK_DETECT	(116)
+#define GPIO_KEY1		(117)
+#define GPIO_KEY2		(118)
+#define GPIO_KEY3		(119)
+#define GPIO_CHARGE_USB_OK	(112)
+#define GPIO_CHARGE_DC_OK	(101)
+#define GPIO_CHARGE_USB_SUSP	(102)
+
+/* outputs */
+#define GPIO_SHUTDOWN_SUPPLY	(16)
+#define GPIO_SHUTDOWN_BATT	(18)
+#define GPIO_CHRG_PEN2		(31)
+#define GPIO_TFT_VA_EN		(33)
+#define GPIO_SPDIF_CS		(34)
+#define GPIO_LED2		(35)
+#define GPIO_LED1		(36)
+#define GPIO_SPDIF_RESET	(38)
+#define GPIO_SPI_CLK		(95)
+#define GPIO_MCLK_DAC_CS	(96)
+#define GPIO_SPI_MOSI		(97)
+#define GPIO_W1_PULLUP_ENABLE	(105)
+#define GPIO_DISPLAY_ENABLE	(106)
+#define GPIO_MCLK_RESET		(111)
+#define GPIO_W2W_RESET		(113)
+#define GPIO_W2W_PDN		(114)
+#define GPIO_CODEC_RESET	(120)
+#define GPIO_AUDIO_VA_ENABLE	(124)
+#define GPIO_ACCEL_CS		(125)
+#define GPIO_ONE_WIRE		(126)
+
+/*
+ * GPIO configurations
+ */
+static mfp_cfg_t raumfeld_controller_pin_config[] __initdata = {
+	/* UART1 */
+	GPIO77_UART1_RXD,
+	GPIO78_UART1_TXD,
+	GPIO79_UART1_CTS,
+	GPIO81_UART1_DSR,
+	GPIO83_UART1_DTR,
+	GPIO84_UART1_RTS,
+
+	/* UART3 */
+	GPIO110_UART3_RXD,
+
+	/* USB Host */
+	GPIO0_2_USBH_PEN,
+	GPIO1_2_USBH_PWR,
+
+	/* I2C */
+	GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
+	GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
+
+	/* SPI */
+	GPIO34_GPIO,	/* SPDIF_CS */
+	GPIO96_GPIO,	/* MCLK_CS */
+	GPIO125_GPIO,	/* ACCEL_CS */
+
+	/* MMC */
+	GPIO3_MMC1_DAT0,
+	GPIO4_MMC1_DAT1,
+	GPIO5_MMC1_DAT2,
+	GPIO6_MMC1_DAT3,
+	GPIO7_MMC1_CLK,
+	GPIO8_MMC1_CMD,
+
+	/* One-wire */
+	GPIO126_GPIO | MFP_LPM_FLOAT,
+	GPIO105_GPIO | MFP_PULL_LOW | MFP_LPM_PULL_LOW,
+
+	/* CHRG_USB_OK */
+	GPIO101_GPIO | MFP_PULL_HIGH,
+	/* CHRG_USB_OK */
+	GPIO112_GPIO | MFP_PULL_HIGH,
+	/* CHRG_USB_SUSP */
+	GPIO102_GPIO,
+	/* DISPLAY_ENABLE */
+	GPIO106_GPIO,
+	/* DOCK_DETECT */
+	GPIO116_GPIO | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
+
+	/* LCD */
+	GPIO54_LCD_LDD_0,
+	GPIO55_LCD_LDD_1,
+	GPIO56_LCD_LDD_2,
+	GPIO57_LCD_LDD_3,
+	GPIO58_LCD_LDD_4,
+	GPIO59_LCD_LDD_5,
+	GPIO60_LCD_LDD_6,
+	GPIO61_LCD_LDD_7,
+	GPIO62_LCD_LDD_8,
+	GPIO63_LCD_LDD_9,
+	GPIO64_LCD_LDD_10,
+	GPIO65_LCD_LDD_11,
+	GPIO66_LCD_LDD_12,
+	GPIO67_LCD_LDD_13,
+	GPIO68_LCD_LDD_14,
+	GPIO69_LCD_LDD_15,
+	GPIO70_LCD_LDD_16,
+	GPIO71_LCD_LDD_17,
+	GPIO72_LCD_FCLK,
+	GPIO73_LCD_LCLK,
+	GPIO74_LCD_PCLK,
+	GPIO75_LCD_BIAS,
+};
+
+static mfp_cfg_t raumfeld_connector_pin_config[] __initdata = {
+	/* UART1 */
+	GPIO77_UART1_RXD,
+	GPIO78_UART1_TXD,
+	GPIO79_UART1_CTS,
+	GPIO81_UART1_DSR,
+	GPIO83_UART1_DTR,
+	GPIO84_UART1_RTS,
+
+	/* UART3 */
+	GPIO110_UART3_RXD,
+
+	/* USB Host */
+	GPIO0_2_USBH_PEN,
+	GPIO1_2_USBH_PWR,
+
+	/* I2C */
+	GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
+	GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
+
+	/* SPI */
+	GPIO34_GPIO,	/* SPDIF_CS */
+	GPIO96_GPIO,	/* MCLK_CS */
+	GPIO125_GPIO,	/* ACCEL_CS */
+
+	/* MMC */
+	GPIO3_MMC1_DAT0,
+	GPIO4_MMC1_DAT1,
+	GPIO5_MMC1_DAT2,
+	GPIO6_MMC1_DAT3,
+	GPIO7_MMC1_CLK,
+	GPIO8_MMC1_CMD,
+
+	/* Ethernet */
+	GPIO1_nCS2,			/* CS */
+	GPIO40_GPIO | MFP_PULL_HIGH,	/* IRQ */
+
+	/* SSP for I2S */
+	GPIO85_SSP1_SCLK,
+	GPIO89_SSP1_EXTCLK,
+	GPIO86_SSP1_FRM,
+	GPIO87_SSP1_TXD,
+	GPIO88_SSP1_RXD,
+	GPIO90_SSP1_SYSCLK,
+
+	/* SSP2 for S/PDIF */
+	GPIO25_SSP2_SCLK,
+	GPIO26_SSP2_FRM,
+	GPIO27_SSP2_TXD,
+	GPIO29_SSP2_EXTCLK,
+};
+
+static mfp_cfg_t raumfeld_speaker_pin_config[] __initdata = {
+	/* UART1 */
+	GPIO77_UART1_RXD,
+	GPIO78_UART1_TXD,
+	GPIO79_UART1_CTS,
+	GPIO81_UART1_DSR,
+	GPIO83_UART1_DTR,
+	GPIO84_UART1_RTS,
+
+	/* UART3 */
+	GPIO110_UART3_RXD,
+
+	/* USB Host */
+	GPIO0_2_USBH_PEN,
+	GPIO1_2_USBH_PWR,
+
+	/* I2C */
+	GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
+	GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
+
+	/* SPI */
+	GPIO34_GPIO,	/* SPDIF_CS */
+	GPIO96_GPIO,	/* MCLK_CS */
+	GPIO125_GPIO,	/* ACCEL_CS */
+
+	/* MMC */
+	GPIO3_MMC1_DAT0,
+	GPIO4_MMC1_DAT1,
+	GPIO5_MMC1_DAT2,
+	GPIO6_MMC1_DAT3,
+	GPIO7_MMC1_CLK,
+	GPIO8_MMC1_CMD,
+
+	/* Ethernet */
+	GPIO1_nCS2,			/* CS */
+	GPIO40_GPIO | MFP_PULL_HIGH,	/* IRQ */
+
+	/* SSP for I2S */
+	GPIO85_SSP1_SCLK,
+	GPIO89_SSP1_EXTCLK,
+	GPIO86_SSP1_FRM,
+	GPIO87_SSP1_TXD,
+	GPIO88_SSP1_RXD,
+	GPIO90_SSP1_SYSCLK,
+};
+
+/*
+ * SMSC LAN9220 Ethernet
+ */
+
+static struct resource smc91x_resources[] = {
+	{
+		.start	= PXA3xx_CS2_PHYS,
+		.end	= PXA3xx_CS2_PHYS + 0xfffff,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.start	= gpio_to_irq(GPIO_ETH_IRQ),
+		.end	= gpio_to_irq(GPIO_ETH_IRQ),
+		.flags	= IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
+	}
+};
+
+static struct smsc911x_platform_config raumfeld_smsc911x_config = {
+	.phy_interface	= PHY_INTERFACE_MODE_MII,
+	.irq_polarity	= SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
+	.irq_type	= SMSC911X_IRQ_TYPE_OPEN_DRAIN,
+	.flags		= SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
+};
+
+static struct platform_device smc91x_device = {
+	.name		= "smsc911x",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(smc91x_resources),
+	.resource	= smc91x_resources,
+	.dev		= {
+		.platform_data = &raumfeld_smsc911x_config,
+	}
+};
+
+/**
+ * NAND
+ */
+
+static struct mtd_partition raumfeld_nand_partitions[] = {
+	{
+		.name		= "Bootloader",
+		.offset		= 0,
+		.size		= 0xa0000,
+		.mask_flags	= MTD_WRITEABLE, /* force read-only */
+	},
+	{
+		.name		= "BootloaderEnvironment",
+		.offset		= 0xa0000,
+		.size		= 0x20000,
+	},
+	{
+		.name		= "BootloaderSplashScreen",
+		.offset		= 0xc0000,
+		.size		= 0x60000,
+	},
+	{
+		.name		= "UBI",
+		.offset		= 0x120000,
+		.size		= MTDPART_SIZ_FULL,
+	},
+};
+
+static struct pxa3xx_nand_platform_data raumfeld_nand_info = {
+	.enable_arbiter	= 1,
+	.keep_config	= 1,
+	.parts		= raumfeld_nand_partitions,
+	.nr_parts	= ARRAY_SIZE(raumfeld_nand_partitions),
+};
+
+/**
+ * USB (OHCI) support
+ */
+
+static struct pxaohci_platform_data raumfeld_ohci_info = {
+	.port_mode      = PMM_GLOBAL_MODE,
+	.flags		= ENABLE_PORT1,
+};
+
+/**
+ * Rotary encoder input device
+ */
+
+static struct rotary_encoder_platform_data raumfeld_rotary_encoder_info = {
+	.steps		= 24,
+	.axis		= REL_X,
+	.relative_axis	= 1,
+	.gpio_a		= GPIO_VOLENC_A,
+	.gpio_b		= GPIO_VOLENC_B,
+	.inverted_a	= 1,
+	.inverted_b	= 0,
+};
+
+static struct platform_device rotary_encoder_device = {
+	.name		= "rotary-encoder",
+	.id		= 0,
+	.dev		= {
+		.platform_data = &raumfeld_rotary_encoder_info,
+	}
+};
+
+/**
+ * GPIO buttons
+ */
+
+static struct gpio_keys_button gpio_keys_button[] = {
+	{
+		.code			= KEY_F1,
+		.type			= EV_KEY,
+		.gpio			= GPIO_KEY1,
+		.active_low		= 1,
+		.wakeup			= 0,
+		.debounce_interval	= 5, /* ms */
+		.desc			= "Button 1",
+	},
+	{
+		.code			= KEY_F2,
+		.type			= EV_KEY,
+		.gpio			= GPIO_KEY2,
+		.active_low		= 1,
+		.wakeup			= 0,
+		.debounce_interval	= 5, /* ms */
+		.desc			= "Button 2",
+	},
+	{
+		.code			= KEY_F3,
+		.type			= EV_KEY,
+		.gpio			= GPIO_KEY3,
+		.active_low		= 1,
+		.wakeup			= 0,
+		.debounce_interval	= 5, /* ms */
+		.desc			= "Button 3",
+	},
+	{
+		.code			= KEY_F4,
+		.type			= EV_KEY,
+		.gpio			= GPIO_RESCUE_BOOT,
+		.active_low		= 0,
+		.wakeup			= 0,
+		.debounce_interval	= 5, /* ms */
+		.desc			= "rescue boot button",
+	},
+	{
+		.code			= KEY_F5,
+		.type			= EV_KEY,
+		.gpio			= GPIO_DOCK_DETECT,
+		.active_low		= 1,
+		.wakeup			= 0,
+		.debounce_interval	= 5, /* ms */
+		.desc			= "dock detect",
+	},
+	{
+		.code			= KEY_F6,
+		.type			= EV_KEY,
+		.gpio			= GPIO_ON_OFF,
+		.active_low		= 0,
+		.wakeup			= 0,
+		.debounce_interval	= 5, /* ms */
+		.desc			= "on/off button",
+	},
+};
+
+static struct gpio_keys_platform_data gpio_keys_platform_data = {
+	.buttons	= gpio_keys_button,
+	.nbuttons	= ARRAY_SIZE(gpio_keys_button),
+	.rep		= 0,
+};
+
+static struct platform_device raumfeld_gpio_keys_device = {
+	.name	= "gpio-keys",
+	.id	= -1,
+	.dev 	= {
+		.platform_data	= &gpio_keys_platform_data,
+	}
+};
+
+/**
+ * GPIO LEDs
+ */
+
+static struct gpio_led raumfeld_leds[] = {
+	{
+		.name		= "raumfeld:1",
+		.gpio		= GPIO_LED1,
+		.active_low	= 1,
+		.default_state	= LEDS_GPIO_DEFSTATE_ON,
+	},
+	{
+		.name		= "raumfeld:2",
+		.gpio		= GPIO_LED2,
+		.active_low	= 0,
+		.default_state	= LEDS_GPIO_DEFSTATE_OFF,
+	}
+};
+
+static struct gpio_led_platform_data raumfeld_led_platform_data = {
+	.leds		= raumfeld_leds,
+	.num_leds	= ARRAY_SIZE(raumfeld_leds),
+};
+
+static struct platform_device raumfeld_led_device = {
+	.name	= "leds-gpio",
+	.id	= -1,
+	.dev	= {
+		.platform_data = &raumfeld_led_platform_data,
+	},
+};
+
+/**
+ * One-wire (W1 bus) support
+ */
+
+static void w1_enable_external_pullup(int enable)
+{
+	gpio_set_value(GPIO_W1_PULLUP_ENABLE, enable);
+	msleep(100);
+}
+
+static struct w1_gpio_platform_data w1_gpio_platform_data = {
+	.pin			= GPIO_ONE_WIRE,
+	.is_open_drain		= 0,
+	.enable_external_pullup	= w1_enable_external_pullup,
+};
+
+struct platform_device raumfeld_w1_gpio_device = {
+	.name	= "w1-gpio",
+	.dev	= {
+		.platform_data = &w1_gpio_platform_data
+	}
+};
+
+static void __init raumfeld_w1_init(void)
+{
+	int ret = gpio_request(GPIO_W1_PULLUP_ENABLE,
+				"W1 external pullup enable");
+
+	if (ret < 0)
+		pr_warning("Unable to request GPIO_W1_PULLUP_ENABLE\n");
+	else
+		gpio_direction_output(GPIO_W1_PULLUP_ENABLE, 0);
+
+	platform_device_register(&raumfeld_w1_gpio_device);
+}
+
+/**
+ * Framebuffer device
+ */
+
+/* PWM controlled backlight */
+static struct platform_pwm_backlight_data raumfeld_pwm_backlight_data = {
+	.pwm_id		= 0,
+	.max_brightness	= 100,
+	.dft_brightness	= 100,
+	/* 10000 ns = 10 ms ^= 100 kHz */
+	.pwm_period_ns	= 10000,
+};
+
+static struct platform_device raumfeld_pwm_backlight_device = {
+	.name	= "pwm-backlight",
+	.dev	= {
+		.parent		= &pxa27x_device_pwm0.dev,
+		.platform_data	= &raumfeld_pwm_backlight_data,
+	}
+};
+
+/* LT3593 controlled backlight */
+static struct gpio_led raumfeld_lt3593_led = {
+	.name		= "backlight",
+	.gpio		= mfp_to_gpio(MFP_PIN_GPIO17),
+	.default_state	= LEDS_GPIO_DEFSTATE_ON,
+};
+
+static struct gpio_led_platform_data raumfeld_lt3593_platform_data = {
+	.leds		= &raumfeld_lt3593_led,
+	.num_leds	= 1,
+};
+
+static struct platform_device raumfeld_lt3593_device = {
+	.name	= "leds-lt3593",
+	.id	= -1,
+	.dev	= {
+		.platform_data = &raumfeld_lt3593_platform_data,
+	},
+};
+
+static struct pxafb_mode_info sharp_lq043t3dx02_mode = {
+	.pixclock	= 111000,
+	.xres		= 480,
+	.yres		= 272,
+	.bpp		= 16,
+	.hsync_len	= 4,
+	.left_margin	= 2,
+	.right_margin	= 1,
+	.vsync_len	= 1,
+	.upper_margin	= 3,
+	.lower_margin	= 1,
+	.sync		= 0,
+};
+
+static struct pxafb_mach_info raumfeld_sharp_lcd_info = {
+	.modes		= &sharp_lq043t3dx02_mode,
+	.num_modes	= 1,
+	.video_mem_size = 0x400000,
+	.lcd_conn	= LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
+};
+
+static void __init raumfeld_lcd_init(void)
+{
+	int ret;
+
+	set_pxa_fb_info(&raumfeld_sharp_lcd_info);
+
+	/* Earlier devices had the backlight regulator controlled
+	 * via PWM, later versions use another controller for that */
+	if ((system_rev & 0xff) < 2) {
+		mfp_cfg_t raumfeld_pwm_pin_config = GPIO17_PWM0_OUT;
+		pxa3xx_mfp_config(&raumfeld_pwm_pin_config, 1);
+		platform_device_register(&raumfeld_pwm_backlight_device);
+	} else
+		platform_device_register(&raumfeld_lt3593_device);
+
+	ret = gpio_request(GPIO_TFT_VA_EN, "display VA enable");
+	if (ret < 0)
+		pr_warning("Unable to request GPIO_TFT_VA_EN\n");
+	else
+		gpio_direction_output(GPIO_TFT_VA_EN, 1);
+
+	ret = gpio_request(GPIO_DISPLAY_ENABLE, "display enable");
+	if (ret < 0)
+		pr_warning("Unable to request GPIO_DISPLAY_ENABLE\n");
+	else
+		gpio_direction_output(GPIO_DISPLAY_ENABLE, 1);
+}
+
+/**
+ * SPI devices
+ */
+
+struct spi_gpio_platform_data raumfeld_spi_platform_data = {
+	.sck		= GPIO_SPI_CLK,
+	.mosi		= GPIO_SPI_MOSI,
+	.miso		= GPIO_SPI_MISO,
+	.num_chipselect	= 3,
+};
+
+static struct platform_device raumfeld_spi_device = {
+	.name	= "spi_gpio",
+	.id	= 0,
+	.dev 	= {
+		.platform_data	= &raumfeld_spi_platform_data,
+	}
+};
+
+static struct lis3lv02d_platform_data lis3_pdata = {
+	.click_flags 	= LIS3_CLICK_SINGLE_X |
+			  LIS3_CLICK_SINGLE_Y |
+			  LIS3_CLICK_SINGLE_Z,
+	.irq_cfg	= LIS3_IRQ1_CLICK | LIS3_IRQ2_CLICK,
+	.wakeup_flags	= LIS3_WAKEUP_X_LO | LIS3_WAKEUP_X_HI |
+			  LIS3_WAKEUP_Y_LO | LIS3_WAKEUP_Y_HI |
+			  LIS3_WAKEUP_Z_LO | LIS3_WAKEUP_Z_HI,
+	.wakeup_thresh	= 10,
+	.click_thresh_x = 10,
+	.click_thresh_y = 10,
+	.click_thresh_z = 10,
+};
+
+#define SPI_AK4104	\
+{			\
+	.modalias	= "ak4104",	\
+	.max_speed_hz	= 10000,	\
+	.bus_num	= 0,		\
+	.chip_select	= 0,		\
+	.controller_data = (void *) GPIO_SPDIF_CS,	\
+}
+
+#define SPI_LIS3	\
+{			\
+	.modalias	= "lis3lv02d_spi",	\
+	.max_speed_hz	= 1000000,		\
+	.bus_num	= 0,			\
+	.chip_select	= 1,			\
+	.controller_data = (void *) GPIO_ACCEL_CS,	\
+	.platform_data	= &lis3_pdata,		\
+	.irq		= gpio_to_irq(GPIO_ACCEL_IRQ),	\
+}
+
+#define SPI_DAC7512	\
+{	\
+	.modalias	= "dac7512",		\
+	.max_speed_hz	= 1000000,		\
+	.bus_num	= 0,			\
+	.chip_select	= 2,			\
+	.controller_data = (void *) GPIO_MCLK_DAC_CS,	\
+}
+
+static struct spi_board_info connector_spi_devices[] __initdata = {
+	SPI_AK4104,
+	SPI_DAC7512,
+};
+
+static struct spi_board_info speaker_spi_devices[] __initdata = {
+	SPI_DAC7512,
+};
+
+static struct spi_board_info controller_spi_devices[] __initdata = {
+	SPI_LIS3,
+};
+
+/**
+ * MMC for Marvell Libertas 8688 via SDIO
+ */
+
+static int raumfeld_mci_init(struct device *dev, irq_handler_t isr, void *data)
+{
+	gpio_set_value(GPIO_W2W_RESET, 1);
+	gpio_set_value(GPIO_W2W_PDN, 1);
+
+	return 0;
+}
+
+static void raumfeld_mci_exit(struct device *dev, void *data)
+{
+	gpio_set_value(GPIO_W2W_RESET, 0);
+	gpio_set_value(GPIO_W2W_PDN, 0);
+}
+
+static struct pxamci_platform_data raumfeld_mci_platform_data = {
+	.init			= raumfeld_mci_init,
+	.exit			= raumfeld_mci_exit,
+	.detect_delay		= 20,
+	.gpio_card_detect	= -1,
+	.gpio_card_ro		= -1,
+	.gpio_power		= -1,
+};
+
+/*
+ * External power / charge logic
+ */
+
+static int power_supply_init(struct device *dev)
+{
+	return 0;
+}
+
+static void power_supply_exit(struct device *dev)
+{
+}
+
+static int raumfeld_is_ac_online(void)
+{
+	return !gpio_get_value(GPIO_CHARGE_DC_OK);
+}
+
+static int raumfeld_is_usb_online(void)
+{
+	return 0;
+}
+
+static char *raumfeld_power_supplicants[] = { "ds2760-battery.0" };
+
+static struct pda_power_pdata power_supply_info = {
+	.init			= power_supply_init,
+	.is_ac_online		= raumfeld_is_ac_online,
+	.is_usb_online		= raumfeld_is_usb_online,
+	.exit			= power_supply_exit,
+	.supplied_to		= raumfeld_power_supplicants,
+	.num_supplicants	= ARRAY_SIZE(raumfeld_power_supplicants)
+};
+
+static struct resource power_supply_resources[] = {
+	{
+		.name  = "ac",
+		.flags = IORESOURCE_IRQ |
+			 IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE,
+		.start = GPIO_CHARGE_DC_OK,
+		.end   = GPIO_CHARGE_DC_OK,
+	},
+};
+
+static irqreturn_t charge_done_irq(int irq, void *dev_id)
+{
+	struct power_supply *psy;
+
+	psy = power_supply_get_by_name("ds2760-battery.0");
+
+	if (psy)
+		power_supply_set_battery_charged(psy);
+
+	return IRQ_HANDLED;
+}
+
+static struct platform_device raumfeld_power_supply = {
+	.name = "pda-power",
+	.id   = -1,
+	.dev  = {
+		.platform_data = &power_supply_info,
+	},
+	.resource      = power_supply_resources,
+	.num_resources = ARRAY_SIZE(power_supply_resources),
+};
+
+static void __init raumfeld_power_init(void)
+{
+	int ret;
+
+	/* Set PEN2 high to enable maximum charge current */
+	ret = gpio_request(GPIO_CHRG_PEN2, "CHRG_PEN2");
+	if (ret < 0)
+		pr_warning("Unable to request GPIO_CHRG_PEN2\n");
+	else
+		gpio_direction_output(GPIO_CHRG_PEN2, 1);
+
+	ret = gpio_request(GPIO_CHARGE_DC_OK, "CABLE_DC_OK");
+	if (ret < 0)
+		pr_warning("Unable to request GPIO_CHARGE_DC_OK\n");
+
+	ret = gpio_request(GPIO_CHARGE_USB_SUSP, "CHARGE_USB_SUSP");
+	if (ret < 0)
+		pr_warning("Unable to request GPIO_CHARGE_USB_SUSP\n");
+	else
+		gpio_direction_output(GPIO_CHARGE_USB_SUSP, 0);
+
+	power_supply_resources[0].start = gpio_to_irq(GPIO_CHARGE_DC_OK);
+	power_supply_resources[0].end = gpio_to_irq(GPIO_CHARGE_DC_OK);
+
+	ret = request_irq(gpio_to_irq(GPIO_CHARGE_DONE),
+			&charge_done_irq, IORESOURCE_IRQ_LOWEDGE,
+			"charge_done", NULL);
+
+	if (ret < 0)
+		printk(KERN_ERR "%s: unable to register irq %d\n", __func__,
+			GPIO_CHARGE_DONE);
+	else
+		platform_device_register(&raumfeld_power_supply);
+}
+
+/* Fixed regulator for AUDIO_VA, 0-0048 maps to the cs4270 codec device */
+
+static struct regulator_consumer_supply audio_va_consumer_supply =
+	REGULATOR_SUPPLY("va", "0-0048");
+
+struct regulator_init_data audio_va_initdata = {
+	.consumer_supplies = &audio_va_consumer_supply,
+	.num_consumer_supplies = 1,
+	.constraints = {
+		.valid_ops_mask = REGULATOR_CHANGE_STATUS,
+	},
+};
+
+static struct fixed_voltage_config audio_va_config = {
+	.supply_name		= "audio_va",
+	.microvolts		= 5000000,
+	.gpio			= GPIO_AUDIO_VA_ENABLE,
+	.enable_high		= 1,
+	.enabled_at_boot	= 0,
+	.init_data		= &audio_va_initdata,
+};
+
+static struct platform_device audio_va_device = {
+	.name	= "reg-fixed-voltage",
+	.id	= 0,
+	.dev	= {
+		.platform_data = &audio_va_config,
+	},
+};
+
+/* Dummy supplies for Codec's VD/VLC */
+
+static struct regulator_consumer_supply audio_dummy_supplies[] = {
+	REGULATOR_SUPPLY("vd", "0-0048"),
+	REGULATOR_SUPPLY("vlc", "0-0048"),
+};
+
+struct regulator_init_data audio_dummy_initdata = {
+	.consumer_supplies = audio_dummy_supplies,
+	.num_consumer_supplies = ARRAY_SIZE(audio_dummy_supplies),
+	.constraints = {
+		.valid_ops_mask = REGULATOR_CHANGE_STATUS,
+	},
+};
+
+static struct fixed_voltage_config audio_dummy_config = {
+	.supply_name		= "audio_vd",
+	.microvolts		= 3300000,
+	.gpio			= -1,
+	.init_data		= &audio_dummy_initdata,
+};
+
+static struct platform_device audio_supply_dummy_device = {
+	.name	= "reg-fixed-voltage",
+	.id	= 1,
+	.dev	= {
+		.platform_data = &audio_dummy_config,
+	},
+};
+
+static struct platform_device *audio_regulator_devices[] = {
+	&audio_va_device,
+	&audio_supply_dummy_device,
+};
+
+/**
+ * Regulator support via MAX8660
+ */
+
+static struct regulator_consumer_supply vcc_mmc_supply =
+	REGULATOR_SUPPLY("vmmc", "pxa2xx-mci.0");
+
+static struct regulator_init_data vcc_mmc_init_data = {
+	.constraints = {
+		.min_uV			= 3300000,
+		.max_uV			= 3300000,
+		.valid_modes_mask	= REGULATOR_MODE_NORMAL,
+		.valid_ops_mask		= REGULATOR_CHANGE_STATUS |
+					  REGULATOR_CHANGE_VOLTAGE |
+					  REGULATOR_CHANGE_MODE,
+	},
+	.consumer_supplies = &vcc_mmc_supply,
+	.num_consumer_supplies = 1,
+};
+
+struct max8660_subdev_data max8660_v6_subdev_data = {
+	.id		= MAX8660_V6,
+	.name		= "vmmc",
+	.platform_data	= &vcc_mmc_init_data,
+};
+
+static struct max8660_platform_data max8660_pdata = {
+	.subdevs = &max8660_v6_subdev_data,
+	.num_subdevs = 1,
+};
+
+/**
+ * I2C devices
+ */
+
+static struct i2c_board_info raumfeld_pwri2c_board_info = {
+	.type		= "max8660",
+	.addr		= 0x34,
+	.platform_data	= &max8660_pdata,
+};
+
+static struct i2c_board_info raumfeld_connector_i2c_board_info __initdata = {
+	.type	= "cs4270",
+	.addr	= 0x48,
+};
+
+static struct eeti_ts_platform_data eeti_ts_pdata = {
+	.irq_active_high = 1,
+};
+
+static struct i2c_board_info raumfeld_controller_i2c_board_info __initdata = {
+	.type	= "eeti_ts",
+	.addr	= 0x0a,
+	.irq	= gpio_to_irq(GPIO_TOUCH_IRQ),
+	.platform_data = &eeti_ts_pdata,
+};
+
+static struct platform_device *raumfeld_common_devices[] = {
+	&raumfeld_gpio_keys_device,
+	&raumfeld_led_device,
+	&raumfeld_spi_device,
+};
+
+static void __init raumfeld_audio_init(void)
+{
+	int ret;
+
+	ret = gpio_request(GPIO_CODEC_RESET, "cs4270 reset");
+	if (ret < 0)
+		pr_warning("unable to request GPIO_CODEC_RESET\n");
+	else
+		gpio_direction_output(GPIO_CODEC_RESET, 1);
+
+	ret = gpio_request(GPIO_SPDIF_RESET, "ak4104 s/pdif reset");
+	if (ret < 0)
+		pr_warning("unable to request GPIO_SPDIF_RESET\n");
+	else
+		gpio_direction_output(GPIO_SPDIF_RESET, 1);
+
+	ret = gpio_request(GPIO_MCLK_RESET, "MCLK reset");
+	if (ret < 0)
+		pr_warning("unable to request GPIO_MCLK_RESET\n");
+	else
+		gpio_direction_output(GPIO_MCLK_RESET, 1);
+
+	platform_add_devices(ARRAY_AND_SIZE(audio_regulator_devices));
+}
+
+static void __init raumfeld_common_init(void)
+{
+	int ret;
+
+	/* The on/off button polarity has changed after revision 1 */
+	if ((system_rev & 0xff) > 1) {
+		int i;
+
+		for (i = 0; i < ARRAY_SIZE(gpio_keys_button); i++)
+			if (!strcmp(gpio_keys_button[i].desc, "on/off button"))
+				gpio_keys_button[i].active_low = 1;
+	}
+
+	enable_irq_wake(IRQ_WAKEUP0);
+
+	pxa3xx_set_nand_info(&raumfeld_nand_info);
+	pxa3xx_set_i2c_power_info(NULL);
+	pxa_set_ohci_info(&raumfeld_ohci_info);
+	pxa_set_mci_info(&raumfeld_mci_platform_data);
+	pxa_set_i2c_info(NULL);
+	pxa_set_ffuart_info(NULL);
+
+	ret = gpio_request(GPIO_W2W_RESET, "Wi2Wi reset");
+	if (ret < 0)
+		pr_warning("Unable to request GPIO_W2W_RESET\n");
+	else
+		gpio_direction_output(GPIO_W2W_RESET, 0);
+
+	ret = gpio_request(GPIO_W2W_PDN, "Wi2Wi powerup");
+	if (ret < 0)
+		pr_warning("Unable to request GPIO_W2W_PDN\n");
+	else
+		gpio_direction_output(GPIO_W2W_PDN, 0);
+
+	/* this can be used to switch off the device */
+	ret = gpio_request(GPIO_SHUTDOWN_SUPPLY,
+				"supply shutdown");
+	if (ret < 0)
+		pr_warning("Unable to request GPIO_SHUTDOWN_SUPPLY\n");
+	else
+		gpio_direction_output(GPIO_SHUTDOWN_SUPPLY, 0);
+
+	platform_add_devices(ARRAY_AND_SIZE(raumfeld_common_devices));
+	i2c_register_board_info(1, &raumfeld_pwri2c_board_info, 1);
+}
+
+static void __init raumfeld_controller_init(void)
+{
+	int ret;
+
+	pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_controller_pin_config));
+	platform_device_register(&rotary_encoder_device);
+	spi_register_board_info(ARRAY_AND_SIZE(controller_spi_devices));
+	i2c_register_board_info(0, &raumfeld_controller_i2c_board_info, 1);
+
+	ret = gpio_request(GPIO_SHUTDOWN_BATT, "battery shutdown");
+	if (ret < 0)
+		pr_warning("Unable to request GPIO_SHUTDOWN_BATT\n");
+	else
+		gpio_direction_output(GPIO_SHUTDOWN_BATT, 0);
+
+	raumfeld_common_init();
+	raumfeld_power_init();
+	raumfeld_lcd_init();
+	raumfeld_w1_init();
+}
+
+static void __init raumfeld_connector_init(void)
+{
+	pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_connector_pin_config));
+	spi_register_board_info(ARRAY_AND_SIZE(connector_spi_devices));
+	i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
+
+	platform_device_register(&smc91x_device);
+
+	raumfeld_audio_init();
+	raumfeld_common_init();
+}
+
+static void __init raumfeld_speaker_init(void)
+{
+	pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_speaker_pin_config));
+	spi_register_board_info(ARRAY_AND_SIZE(speaker_spi_devices));
+	i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
+
+	platform_device_register(&smc91x_device);
+	platform_device_register(&rotary_encoder_device);
+
+	raumfeld_audio_init();
+	raumfeld_common_init();
+}
+
+/* physical memory regions */
+#define	RAUMFELD_SDRAM_BASE	0xa0000000	/* SDRAM region */
+
+#ifdef CONFIG_MACH_RAUMFELD_RC
+MACHINE_START(RAUMFELD_RC, "Raumfeld Controller")
+	.phys_io	= 0x40000000,
+	.io_pg_offst	= (io_p2v(0x40000000) >> 18) & 0xfffc,
+	.boot_params	= RAUMFELD_SDRAM_BASE + 0x100,
+	.init_machine	= raumfeld_controller_init,
+	.map_io		= pxa_map_io,
+	.init_irq	= pxa3xx_init_irq,
+	.timer		= &pxa_timer,
+MACHINE_END
+#endif
+
+#ifdef CONFIG_MACH_RAUMFELD_CONNECTOR
+MACHINE_START(RAUMFELD_CONNECTOR, "Raumfeld Connector")
+	.phys_io	= 0x40000000,
+	.io_pg_offst	= (io_p2v(0x40000000) >> 18) & 0xfffc,
+	.boot_params	= RAUMFELD_SDRAM_BASE + 0x100,
+	.init_machine	= raumfeld_connector_init,
+	.map_io		= pxa_map_io,
+	.init_irq	= pxa3xx_init_irq,
+	.timer		= &pxa_timer,
+MACHINE_END
+#endif
+
+#ifdef CONFIG_MACH_RAUMFELD_SPEAKER
+MACHINE_START(RAUMFELD_SPEAKER, "Raumfeld Speaker")
+	.phys_io	= 0x40000000,
+	.io_pg_offst	= (io_p2v(0x40000000) >> 18) & 0xfffc,
+	.boot_params	= RAUMFELD_SDRAM_BASE + 0x100,
+	.init_machine	= raumfeld_speaker_init,
+	.map_io		= pxa_map_io,
+	.init_irq	= pxa3xx_init_irq,
+	.timer		= &pxa_timer,
+MACHINE_END
+#endif