[ARM] pxa/raumfeld: add platform support
authorDaniel Mack <daniel@caiaq.de>
Fri, 27 Nov 2009 12:47:09 +0000 (13:47 +0100)
committerEric Miao <eric.y.miao@gmail.com>
Fri, 18 Dec 2009 07:34:38 +0000 (15:34 +0800)
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>
arch/arm/mach-pxa/Kconfig
arch/arm/mach-pxa/Makefile
arch/arm/mach-pxa/raumfeld.c [new file with mode: 0644]

index 8a0837e..fdb966e 100644 (file)
@@ -415,6 +415,24 @@ config MACH_TREO680
          Say Y here if you intend to run this kernel on Palm Treo 680
          smartphone.
 
+config MACH_RAUMFELD_RC
+       bool "Raumfeld Controller"
+       select PXA3xx
+       select CPU_PXA300
+       select HAVE_PWM
+
+config MACH_RAUMFELD_CONNECTOR
+       bool "Raumfeld Connector"
+       select PXA3xx
+       select CPU_PXA300
+       select PXA_SSP
+
+config MACH_RAUMFELD_SPEAKER
+       bool "Raumfeld Speaker"
+       select PXA3xx
+       select CPU_PXA300
+       select PXA_SSP
+
 config PXA_SHARPSL
        bool "SHARP Zaurus SL-5600, SL-C7xx and SL-Cxx00 Models"
        select SHARP_SCOOP
index f64afda..9d83193 100644 (file)
@@ -89,6 +89,9 @@ obj-$(CONFIG_MACH_E740)               += e740.o
 obj-$(CONFIG_MACH_E750)                += e750.o
 obj-$(CONFIG_MACH_E400)                += e400.o
 obj-$(CONFIG_MACH_E800)                += e800.o
+obj-$(CONFIG_MACH_RAUMFELD_RC)         += raumfeld.o
+obj-$(CONFIG_MACH_RAUMFELD_CONNECTOR)  += raumfeld.o
+obj-$(CONFIG_MACH_RAUMFELD_SPEAKER)    += raumfeld.o
 
 # Support for blinky lights
 led-y := leds.o
diff --git a/arch/arm/mach-pxa/raumfeld.c b/arch/arm/mach-pxa/raumfeld.c
new file mode 100644 (file)
index 0000000..06717d7
--- /dev/null
@@ -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