diff options
Diffstat (limited to 'arch/arm/mach-pxa')
| -rw-r--r-- | arch/arm/mach-pxa/em-x270.c | 371 |
1 files changed, 356 insertions, 15 deletions
diff --git a/arch/arm/mach-pxa/em-x270.c b/arch/arm/mach-pxa/em-x270.c index f5ed8038ede..1aaae97de7d 100644 --- a/arch/arm/mach-pxa/em-x270.c +++ b/arch/arm/mach-pxa/em-x270.c @@ -16,9 +16,16 @@ #include <linux/rtc-v3020.h> #include <linux/mtd/nand.h> #include <linux/mtd/partitions.h> +#include <linux/mtd/physmap.h> #include <linux/input.h> #include <linux/gpio_keys.h> #include <linux/gpio.h> +#include <linux/mfd/da903x.h> +#include <linux/regulator/machine.h> +#include <linux/spi/spi.h> +#include <linux/spi/tdo24m.h> + +#include <media/soc_camera.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> @@ -31,6 +38,9 @@ #include <mach/ohci.h> #include <mach/mmc.h> #include <mach/pxa27x_keypad.h> +#include <mach/i2c.h> +#include <mach/camera.h> +#include <mach/pxa2xx_spi.h> #include "generic.h" @@ -44,6 +54,9 @@ #define GPIO11_NAND_CS (11) #define GPIO56_NAND_RB (56) +/* Miscelaneous GPIOs */ +#define GPIO93_CAM_RESET (93) + static unsigned long em_x270_pin_config[] = { /* AC'97 */ GPIO28_AC97_BITCLK, @@ -154,6 +167,7 @@ static unsigned long em_x270_pin_config[] = { /* power controls */ GPIO20_GPIO | MFP_LPM_DRIVE_LOW, /* GPRS_PWEN */ + GPIO93_GPIO | MFP_LPM_DRIVE_LOW, /* Camera reset */ GPIO115_GPIO | MFP_LPM_DRIVE_LOW, /* WLAN_PWEN */ /* NAND controls */ @@ -369,6 +383,61 @@ static void __init em_x270_init_nand(void) static inline void em_x270_init_nand(void) {} #endif +#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE) +static struct mtd_partition em_x270_nor_parts[] = { + { + .name = "Bootloader", + .offset = 0x00000000, + .size = 0x00050000, + .mask_flags = MTD_WRITEABLE /* force read-only */ + }, { + .name = "Environment", + .offset = 0x00050000, + .size = 0x00010000, + }, { + .name = "Reserved", + .offset = 0x00060000, + .size = 0x00050000, + .mask_flags = MTD_WRITEABLE /* force read-only */ + }, { + .name = "Splashscreen", + .offset = 0x000b0000, + .size = 0x00050000, + } +}; + +static struct physmap_flash_data em_x270_nor_data[] = { + [0] = { + .width = 2, + .parts = em_x270_nor_parts, + .nr_parts = ARRAY_SIZE(em_x270_nor_parts), + }, +}; + +static struct resource em_x270_nor_flash_resource = { + .start = PXA_CS0_PHYS, + .end = PXA_CS0_PHYS + SZ_1M - 1, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device em_x270_physmap_flash = { + .name = "physmap-flash", + .id = 0, + .num_resources = 1, + .resource = &em_x270_nor_flash_resource, + .dev = { + .platform_data = &em_x270_nor_data, + }, +}; + +static void __init em_x270_init_nor(void) +{ + platform_device_register(&em_x270_physmap_flash); +} +#else +static inline void em_x270_init_nor(void) {} +#endif + /* PXA27x OHCI controller setup */ #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) static int em_x270_ohci_init(struct device *dev) @@ -442,27 +511,43 @@ static void __init em_x270_init_mmc(void) static inline void em_x270_init_mmc(void) {} #endif -/* LCD 480x640 */ +/* LCD */ #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) -static struct pxafb_mode_info em_x270_lcd_mode = { - .pixclock = 50000, - .bpp = 16, - .xres = 480, - .yres = 640, - .hsync_len = 8, - .vsync_len = 2, - .left_margin = 8, - .upper_margin = 0, - .right_margin = 24, - .lower_margin = 4, - .cmap_greyscale = 0, +static struct pxafb_mode_info em_x270_lcd_modes[] = { + [0] = { + .pixclock = 38250, + .bpp = 16, + .xres = 480, + .yres = 640, + .hsync_len = 8, + .vsync_len = 2, + .left_margin = 8, + .upper_margin = 2, + .right_margin = 24, + .lower_margin = 4, + .sync = 0, + }, + [1] = { + .pixclock = 153800, + .bpp = 16, + .xres = 240, + .yres = 320, + .hsync_len = 8, + .vsync_len = 2, + .left_margin = 8, + .upper_margin = 2, + .right_margin = 88, + .lower_margin = 2, + .sync = 0, + }, }; static struct pxafb_mach_info em_x270_lcd = { - .modes = &em_x270_lcd_mode, - .num_modes = 1, + .modes = em_x270_lcd_modes, + .num_modes = 2, .lcd_conn = LCD_COLOR_TFT_16BPP, }; + static void __init em_x270_init_lcd(void) { set_pxa_fb_info(&em_x270_lcd); @@ -471,6 +556,40 @@ static void __init em_x270_init_lcd(void) static inline void em_x270_init_lcd(void) {} #endif +#if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE) +static struct pxa2xx_spi_master em_x270_spi_info = { + .num_chipselect = 1, +}; + +static struct pxa2xx_spi_chip em_x270_tdo24m_chip = { + .rx_threshold = 1, + .tx_threshold = 1, +}; + +static struct tdo24m_platform_data em_x270_tdo24m_pdata = { + .model = TDO35S, +}; + +static struct spi_board_info em_x270_spi_devices[] __initdata = { + { + .modalias = "tdo24m", + .max_speed_hz = 1000000, + .bus_num = 1, + .chip_select = 0, + .controller_data = &em_x270_tdo24m_chip, + .platform_data = &em_x270_tdo24m_pdata, + }, +}; + +static void __init em_x270_init_spi(void) +{ + pxa2xx_set_spi_info(1, &em_x270_spi_info); + spi_register_board_info(ARRAY_AND_SIZE(em_x270_spi_devices)); +} +#else +static inline void em_x270_init_spi(void) {} +#endif + #if defined(CONFIG_SND_PXA2XX_AC97) || defined(CONFIG_SND_PXA2XX_AC97_MODULE) static void __init em_x270_init_ac97(void) { @@ -535,19 +654,241 @@ static void __init em_x270_init_gpio_keys(void) static inline void em_x270_init_gpio_keys(void) {} #endif +/* Quick Capture Interface and sensor setup */ +#if defined(CONFIG_VIDEO_PXA27x) || defined(CONFIG_VIDEO_PXA27x_MODULE) +static struct regulator *em_x270_camera_ldo; + +static int em_x270_sensor_init(struct device *dev) +{ + int ret; + + ret = gpio_request(GPIO93_CAM_RESET, "camera reset"); + if (ret) + return ret; + + gpio_direction_output(GPIO93_CAM_RESET, 0); + + em_x270_camera_ldo = regulator_get(NULL, "vcc cam"); + if (em_x270_camera_ldo == NULL) { + gpio_free(GPIO93_CAM_RESET); + return -ENODEV; + } + + ret = regulator_enable(em_x270_camera_ldo); + if (ret) { + regulator_put(em_x270_camera_ldo); + gpio_free(GPIO93_CAM_RESET); + return ret; + } + + gpio_set_value(GPIO93_CAM_RESET, 1); + + return 0; +} + +struct pxacamera_platform_data em_x270_camera_platform_data = { + .init = em_x270_sensor_init, + .flags = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 | + PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN, + .mclk_10khz = 2600, +}; + +static int em_x270_sensor_power(struct device *dev, int on) +{ + int ret; + int is_on = regulator_is_enabled(em_x270_camera_ldo); + + if (on == is_on) + return 0; + + gpio_set_value(GPIO93_CAM_RESET, !on); + + if (on) + ret = regulator_enable(em_x270_camera_ldo); + else + ret = regulator_disable(em_x270_camera_ldo); + + if (ret) + return ret; + + gpio_set_value(GPIO93_CAM_RESET, on); + + return 0; +} + +static struct soc_camera_link iclink = { + .bus_id = 0, + .power = em_x270_sensor_power, +}; + +static struct i2c_board_info em_x270_i2c_cam_info[] = { + { + I2C_BOARD_INFO("mt9m111", 0x48), + .platform_data = &iclink, + }, +}; + +static struct i2c_pxa_platform_data em_x270_i2c_info = { + .fast_mode = 1, +}; + +static void __init em_x270_init_camera(void) +{ + pxa_set_i2c_info(&em_x270_i2c_info); + i2c_register_board_info(0, ARRAY_AND_SIZE(em_x270_i2c_cam_info)); + pxa_set_camera_info(&em_x270_camera_platform_data); +} +#else +static inline void em_x270_init_camera(void) {} +#endif + +/* DA9030 related initializations */ +static struct regulator_consumer_supply ldo3_consumers[] = { + { + .dev = NULL, + .supply = "vcc gps", + }, +}; + +static struct regulator_consumer_supply ldo5_consumers[] = { + { + .dev = NULL, + .supply = "vcc cam", + }, +}; + +static struct regulator_consumer_supply ldo12_consumers[] = { + { + .dev = NULL, + .supply = "vcc usb", + }, +}; + +static struct regulator_consumer_supply ldo19_consumers[] = { + { + .dev = NULL, + .supply = "vcc gprs", + }, +}; + +static struct regulator_init_data ldo3_data = { + .constraints = { + .min_uV = 3200000, + .max_uV = 3200000, + .state_mem = { + .enabled = 0, + }, + }, + .num_consumer_supplies = ARRAY_SIZE(ldo3_consumers), + .consumer_supplies = ldo3_consumers, +}; + +static struct regulator_init_data ldo5_data = { + .constraints = { + .min_uV = 3000000, + .max_uV = 3000000, + .state_mem = { + .enabled = 0, + }, + }, + .num_consumer_supplies = ARRAY_SIZE(ldo5_consumers), + .consumer_supplies = ldo5_consumers, +}; + +static struct regulator_init_data ldo12_data = { + .constraints = { + .min_uV = 3000000, + .max_uV = 3000000, + .state_mem = { + .enabled = 0, + }, + }, + .num_consumer_supplies = ARRAY_SIZE(ldo12_consumers), + .consumer_supplies = ldo12_consumers, +}; + +static struct regulator_init_data ldo19_data = { + .constraints = { + .min_uV = 3200000, + .max_uV = 3200000, + .state_mem = { + .enabled = 0, + }, + }, + .num_consumer_supplies = ARRAY_SIZE(ldo19_consumers), + .consumer_supplies = ldo19_consumers, +}; + +struct led_info em_x270_led_info = { + .name = "em-x270:orange", + .default_trigger = "battery-charging-or-full", +}; + +struct da903x_subdev_info em_x270_da9030_subdevs[] = { + { + .name = "da903x-regulator", + .id = DA9030_ID_LDO3, + .platform_data = &ldo3_data, + }, { + .name = "da903x-regulator", + .id = DA9030_ID_LDO5, + .platform_data = &ldo5_data, + }, { + .name = "da903x-regulator", + .id = DA9030_ID_LDO12, + .platform_data = &ldo12_data, + }, { + .name = "da903x-regulator", + .id = DA9030_ID_LDO19, + .platform_data = &ldo19_data, + }, { + .name = "da903x-led", + .id = DA9030_ID_LED_PC, + .platform_data = &em_x270_led_info, + }, { + .name = "da903x-backlight", + .id = DA9030_ID_WLED, + } +}; + +static struct da903x_platform_data em_x270_da9030_info = { + .num_subdevs = ARRAY_SIZE(em_x270_da9030_subdevs), + .subdevs = em_x270_da9030_subdevs, +}; + +static struct i2c_board_info em_x270_i2c_pmic_info = { + I2C_BOARD_INFO("da9030", 0x49), + .irq = IRQ_GPIO(0), + .platform_data = &em_x270_da9030_info, +}; + +static struct i2c_pxa_platform_data em_x270_pwr_i2c_info = { + .use_pio = 1, +}; + +static void __init em_x270_init_da9030(void) +{ + pxa27x_set_i2c_power_info(&em_x270_pwr_i2c_info); + i2c_register_board_info(1, &em_x270_i2c_pmic_info, 1); +} + static void __init em_x270_init(void) { pxa2xx_mfp_config(ARRAY_AND_SIZE(em_x270_pin_config)); + em_x270_init_da9030(); em_x270_init_dm9000(); em_x270_init_rtc(); em_x270_init_nand(); + em_x270_init_nor(); em_x270_init_lcd(); em_x270_init_mmc(); em_x270_init_ohci(); em_x270_init_keypad(); em_x270_init_gpio_keys(); em_x270_init_ac97(); + em_x270_init_camera(); + em_x270_init_spi(); } MACHINE_START(EM_X270, "Compulab EM-X270") |