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-rw-r--r--kernel/arch/arm/mach-pxa/raumfeld.c1131
1 files changed, 1131 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-pxa/raumfeld.c b/kernel/arch/arm/mach-pxa/raumfeld.c
new file mode 100644
index 000000000..6dc4f025e
--- /dev/null
+++ b/kernel/arch/arm/mach-pxa/raumfeld.c
@@ -0,0 +1,1131 @@
+/*
+ * 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/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/i2c/pxa-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/regulator/max8660.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/consumer.h>
+#include <linux/delay.h>
+
+#include <asm/system_info.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+
+#include <mach/pxa300.h>
+#include <linux/platform_data/usb-ohci-pxa27x.h>
+#include <linux/platform_data/video-pxafb.h>
+#include <linux/platform_data/mmc-pxamci.h>
+#include <linux/platform_data/mtd-nand-pxa3xx.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,
+
+ /* LEDs */
+ GPIO35_GPIO | MFP_LPM_PULL_LOW,
+ GPIO36_GPIO | MFP_LPM_DRIVE_HIGH,
+};
+
+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,
+
+ /* LEDs */
+ GPIO35_GPIO | MFP_LPM_PULL_LOW,
+ GPIO36_GPIO | MFP_LPM_DRIVE_HIGH,
+};
+
+/*
+ * SMSC LAN9220 Ethernet
+ */
+
+static struct resource smc91x_resources[] = {
+ {
+ .start = PXA3xx_CS2_PHYS,
+ .end = PXA3xx_CS2_PHYS + 0xfffff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = PXA_GPIO_TO_IRQ(GPIO_ETH_IRQ),
+ .end = PXA_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,
+ .num_cs = 1,
+ .parts[0] = raumfeld_nand_partitions,
+ .nr_parts[0] = 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,
+ .ext_pullup_enable_pin = -EINVAL,
+};
+
+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_warn("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,
+ .enable_gpio = -1,
+};
+
+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 = 41,
+ .left_margin = 2,
+ .right_margin = 1,
+ .vsync_len = 10,
+ .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,
+#ifdef CONFIG_PXA3XX_GCU
+ .acceleration_enabled = 1,
+#endif
+};
+
+static void __init raumfeld_lcd_init(void)
+{
+ int ret;
+
+ ret = gpio_request(GPIO_TFT_VA_EN, "display VA enable");
+ if (ret < 0)
+ pr_warn("Unable to request GPIO_TFT_VA_EN\n");
+ else
+ gpio_direction_output(GPIO_TFT_VA_EN, 1);
+
+ msleep(100);
+
+ ret = gpio_request(GPIO_DISPLAY_ENABLE, "display enable");
+ if (ret < 0)
+ pr_warn("Unable to request GPIO_DISPLAY_ENABLE\n");
+ else
+ gpio_direction_output(GPIO_DISPLAY_ENABLE, 1);
+
+ /* Hardware revision 2 has the backlight regulator controlled
+ * by an LT3593, earlier and later devices use PWM for that. */
+ if ((system_rev & 0xff) == 2) {
+ platform_device_register(&raumfeld_lt3593_device);
+ } else {
+ 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);
+ }
+
+ pxa_set_fb_info(NULL, &raumfeld_sharp_lcd_info);
+ platform_device_register(&pxa3xx_device_gcu);
+}
+
+/**
+ * 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-codec", \
+ .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 = PXA_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_ms = 200,
+ .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 void raumfeld_power_signal_charged(void)
+{
+ struct power_supply *psy =
+ power_supply_get_by_name(raumfeld_power_supplicants[0]);
+
+ if (psy) {
+ power_supply_set_battery_charged(psy);
+ power_supply_put(psy);
+ }
+}
+
+static int raumfeld_power_resume(void)
+{
+ /* check if GPIO_CHARGE_DONE went low while we were sleeping */
+ if (!gpio_get_value(GPIO_CHARGE_DONE))
+ raumfeld_power_signal_charged();
+
+ return 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),
+ .resume = raumfeld_power_resume,
+};
+
+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)
+{
+ raumfeld_power_signal_charged();
+ 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_warn("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_warn("Unable to request GPIO_CHARGE_DC_OK\n");
+
+ ret = gpio_request(GPIO_CHARGE_USB_SUSP, "CHARGE_USB_SUSP");
+ if (ret < 0)
+ pr_warn("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,
+ .irq_gpio = GPIO_TOUCH_IRQ,
+};
+
+static struct i2c_board_info raumfeld_controller_i2c_board_info __initdata = {
+ .type = "eeti_ts",
+ .addr = 0x0a,
+ .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_warn("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_warn("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_warn("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_warn("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_warn("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_warn("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_warn("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")
+ .atag_offset = 0x100,
+ .init_machine = raumfeld_controller_init,
+ .map_io = pxa3xx_map_io,
+ .nr_irqs = PXA_NR_IRQS,
+ .init_irq = pxa3xx_init_irq,
+ .handle_irq = pxa3xx_handle_irq,
+ .init_time = pxa_timer_init,
+ .restart = pxa_restart,
+MACHINE_END
+#endif
+
+#ifdef CONFIG_MACH_RAUMFELD_CONNECTOR
+MACHINE_START(RAUMFELD_CONNECTOR, "Raumfeld Connector")
+ .atag_offset = 0x100,
+ .init_machine = raumfeld_connector_init,
+ .map_io = pxa3xx_map_io,
+ .nr_irqs = PXA_NR_IRQS,
+ .init_irq = pxa3xx_init_irq,
+ .handle_irq = pxa3xx_handle_irq,
+ .init_time = pxa_timer_init,
+ .restart = pxa_restart,
+MACHINE_END
+#endif
+
+#ifdef CONFIG_MACH_RAUMFELD_SPEAKER
+MACHINE_START(RAUMFELD_SPEAKER, "Raumfeld Speaker")
+ .atag_offset = 0x100,
+ .init_machine = raumfeld_speaker_init,
+ .map_io = pxa3xx_map_io,
+ .nr_irqs = PXA_NR_IRQS,
+ .init_irq = pxa3xx_init_irq,
+ .handle_irq = pxa3xx_handle_irq,
+ .init_time = pxa_timer_init,
+ .restart = pxa_restart,
+MACHINE_END
+#endif