/* * Support for CompuLab EM-X270 platform * * Copyright (C) 2007, 2008 CompuLab, Ltd. * Author: Mike Rapoport * * 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "generic.h" /* GPIO IRQ usage */ #define GPIO41_ETHIRQ (41) #define GPIO13_MMC_CD (13) #define EM_X270_ETHIRQ IRQ_GPIO(GPIO41_ETHIRQ) #define EM_X270_MMC_CD IRQ_GPIO(GPIO13_MMC_CD) /* NAND control GPIOs */ #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, GPIO29_AC97_SDATA_IN_0, GPIO30_AC97_SDATA_OUT, GPIO31_AC97_SYNC, GPIO98_AC97_SYSCLK, GPIO113_AC97_nRESET, /* BTUART */ GPIO42_BTUART_RXD, GPIO43_BTUART_TXD, GPIO44_BTUART_CTS, GPIO45_BTUART_RTS, /* STUART */ GPIO46_STUART_RXD, GPIO47_STUART_TXD, /* MCI controller */ GPIO32_MMC_CLK, GPIO112_MMC_CMD, GPIO92_MMC_DAT_0, GPIO109_MMC_DAT_1, GPIO110_MMC_DAT_2, GPIO111_MMC_DAT_3, /* LCD */ GPIO58_LCD_LDD_0, GPIO59_LCD_LDD_1, GPIO60_LCD_LDD_2, GPIO61_LCD_LDD_3, GPIO62_LCD_LDD_4, GPIO63_LCD_LDD_5, GPIO64_LCD_LDD_6, GPIO65_LCD_LDD_7, GPIO66_LCD_LDD_8, GPIO67_LCD_LDD_9, GPIO68_LCD_LDD_10, GPIO69_LCD_LDD_11, GPIO70_LCD_LDD_12, GPIO71_LCD_LDD_13, GPIO72_LCD_LDD_14, GPIO73_LCD_LDD_15, GPIO74_LCD_FCLK, GPIO75_LCD_LCLK, GPIO76_LCD_PCLK, GPIO77_LCD_BIAS, /* QCI */ GPIO84_CIF_FV, GPIO25_CIF_LV, GPIO53_CIF_MCLK, GPIO54_CIF_PCLK, GPIO81_CIF_DD_0, GPIO55_CIF_DD_1, GPIO51_CIF_DD_2, GPIO50_CIF_DD_3, GPIO52_CIF_DD_4, GPIO48_CIF_DD_5, GPIO17_CIF_DD_6, GPIO12_CIF_DD_7, /* I2C */ GPIO117_I2C_SCL, GPIO118_I2C_SDA, /* Keypad */ GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH, GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH, GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH, GPIO34_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH, GPIO39_KP_MKIN_4 | WAKEUP_ON_LEVEL_HIGH, GPIO99_KP_MKIN_5 | WAKEUP_ON_LEVEL_HIGH, GPIO91_KP_MKIN_6 | WAKEUP_ON_LEVEL_HIGH, GPIO36_KP_MKIN_7 | WAKEUP_ON_LEVEL_HIGH, GPIO103_KP_MKOUT_0, GPIO104_KP_MKOUT_1, GPIO105_KP_MKOUT_2, GPIO106_KP_MKOUT_3, GPIO107_KP_MKOUT_4, GPIO108_KP_MKOUT_5, GPIO96_KP_MKOUT_6, GPIO22_KP_MKOUT_7, /* SSP1 */ GPIO26_SSP1_RXD, GPIO23_SSP1_SCLK, GPIO24_SSP1_SFRM, GPIO57_SSP1_TXD, /* SSP2 */ GPIO19_SSP2_SCLK, GPIO14_SSP2_SFRM, GPIO89_SSP2_TXD, GPIO88_SSP2_RXD, /* SDRAM and local bus */ GPIO15_nCS_1, GPIO78_nCS_2, GPIO79_nCS_3, GPIO80_nCS_4, GPIO49_nPWE, GPIO18_RDY, /* GPIO */ GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH, /* 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 */ GPIO11_GPIO | MFP_LPM_DRIVE_HIGH, /* NAND CE# */ GPIO56_GPIO, /* NAND Ready/Busy */ /* interrupts */ GPIO13_GPIO, /* MMC card detect */ GPIO41_GPIO, /* DM9000 interrupt */ }; #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE) static struct resource em_x270_dm9000_resource[] = { [0] = { .start = PXA_CS2_PHYS, .end = PXA_CS2_PHYS + 3, .flags = IORESOURCE_MEM, }, [1] = { .start = PXA_CS2_PHYS + 8, .end = PXA_CS2_PHYS + 8 + 0x3f, .flags = IORESOURCE_MEM, }, [2] = { .start = EM_X270_ETHIRQ, .end = EM_X270_ETHIRQ, .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, } }; static struct dm9000_plat_data em_x270_dm9000_platdata = { .flags = DM9000_PLATF_32BITONLY, }; static struct platform_device em_x270_dm9000 = { .name = "dm9000", .id = 0, .num_resources = ARRAY_SIZE(em_x270_dm9000_resource), .resource = em_x270_dm9000_resource, .dev = { .platform_data = &em_x270_dm9000_platdata, } }; static void __init em_x270_init_dm9000(void) { platform_device_register(&em_x270_dm9000); } #else static inline void em_x270_init_dm9000(void) {} #endif /* V3020 RTC */ #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE) static struct resource em_x270_v3020_resource[] = { [0] = { .start = PXA_CS4_PHYS, .end = PXA_CS4_PHYS + 3, .flags = IORESOURCE_MEM, }, }; static struct v3020_platform_data em_x270_v3020_platdata = { .leftshift = 0, }; static struct platform_device em_x270_rtc = { .name = "v3020", .num_resources = ARRAY_SIZE(em_x270_v3020_resource), .resource = em_x270_v3020_resource, .id = -1, .dev = { .platform_data = &em_x270_v3020_platdata, } }; static void __init em_x270_init_rtc(void) { platform_device_register(&em_x270_rtc); } #else static inline void em_x270_init_rtc(void) {} #endif /* NAND flash */ #if defined(CONFIG_MTD_NAND_PLATFORM) || defined(CONFIG_MTD_NAND_PLATFORM_MODULE) static inline void nand_cs_on(void) { gpio_set_value(GPIO11_NAND_CS, 0); } static void nand_cs_off(void) { dsb(); gpio_set_value(GPIO11_NAND_CS, 1); } /* hardware specific access to control-lines */ static void em_x270_nand_cmd_ctl(struct mtd_info *mtd, int dat, unsigned int ctrl) { struct nand_chip *this = mtd->priv; unsigned long nandaddr = (unsigned long)this->IO_ADDR_W; dsb(); if (ctrl & NAND_CTRL_CHANGE) { if (ctrl & NAND_ALE) nandaddr |= (1 << 3); else nandaddr &= ~(1 << 3); if (ctrl & NAND_CLE) nandaddr |= (1 << 2); else nandaddr &= ~(1 << 2); if (ctrl & NAND_NCE) nand_cs_on(); else nand_cs_off(); } dsb(); this->IO_ADDR_W = (void __iomem *)nandaddr; if (dat != NAND_CMD_NONE) writel(dat, this->IO_ADDR_W); dsb(); } /* read device ready pin */ static int em_x270_nand_device_ready(struct mtd_info *mtd) { dsb(); return gpio_get_value(GPIO56_NAND_RB); } static struct mtd_partition em_x270_partition_info[] = { [0] = { .name = "em_x270-0", .offset = 0, .size = SZ_4M, }, [1] = { .name = "em_x270-1", .offset = MTDPART_OFS_APPEND, .size = MTDPART_SIZ_FULL }, }; static const char *em_x270_part_probes[] = { "cmdlinepart", NULL }; struct platform_nand_data em_x270_nand_platdata = { .chip = { .nr_chips = 1, .chip_offset = 0, .nr_partitions = ARRAY_SIZE(em_x270_partition_info), .partitions = em_x270_partition_info, .chip_delay = 20, .part_probe_types = em_x270_part_probes, }, .ctrl = { .hwcontrol = 0, .dev_ready = em_x270_nand_device_ready, .select_chip = 0, .cmd_ctrl = em_x270_nand_cmd_ctl, }, }; static struct resource em_x270_nand_resource[] = { [0] = { .start = PXA_CS1_PHYS, .end = PXA_CS1_PHYS + 12, .flags = IORESOURCE_MEM, }, }; static struct platform_device em_x270_nand = { .name = "gen_nand", .num_resources = ARRAY_SIZE(em_x270_nand_resource), .resource = em_x270_nand_resource, .id = -1, .dev = { .platform_data = &em_x270_nand_platdata, } }; static void __init em_x270_init_nand(void) { int err; err = gpio_request(GPIO11_NAND_CS, "NAND CS"); if (err) { pr_warning("EM-X270: failed to request NAND CS gpio\n"); return; } gpio_direction_output(GPIO11_NAND_CS, 1); err = gpio_request(GPIO56_NAND_RB, "NAND R/B"); if (err) { pr_warning("EM-X270: failed to request NAND R/B gpio\n"); gpio_free(GPIO11_NAND_CS); return; } gpio_direction_input(GPIO56_NAND_RB); platform_device_register(&em_x270_nand); } #else 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) { /* enable port 2 transiever */ UP2OCR = UP2OCR_HXS | UP2OCR_HXOE; return 0; } static struct pxaohci_platform_data em_x270_ohci_platform_data = { .port_mode = PMM_PERPORT_MODE, .flags = ENABLE_PORT1 | ENABLE_PORT2 | POWER_CONTROL_LOW, .init = em_x270_ohci_init, }; static void __init em_x270_init_ohci(void) { pxa_set_ohci_info(&em_x270_ohci_platform_data); } #else static inline void em_x270_init_ohci(void) {} #endif /* MCI controller setup */ #if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE) static int em_x270_mci_init(struct device *dev, irq_handler_t em_x270_detect_int, void *data) { int err = request_irq(EM_X270_MMC_CD, em_x270_detect_int, IRQF_DISABLED | IRQF_TRIGGER_FALLING, "MMC card detect", data); if (err) { printk(KERN_ERR "%s: can't request MMC card detect IRQ: %d\n", __func__, err); return err; } return 0; } static void em_x270_mci_setpower(struct device *dev, unsigned int vdd) { /* FIXME: current hardware implementation does not allow to enable/disable MMC power. This will be fixed in next HW releases, and we'll need to add implmentation here. */ return; } static void em_x270_mci_exit(struct device *dev, void *data) { int irq = gpio_to_irq(GPIO13_MMC_CD); free_irq(irq, data); } static struct pxamci_platform_data em_x270_mci_platform_data = { .ocr_mask = MMC_VDD_28_29|MMC_VDD_29_30|MMC_VDD_30_31, .init = em_x270_mci_init, .setpower = em_x270_mci_setpower, .exit = em_x270_mci_exit, }; static void __init em_x270_init_mmc(void) { pxa_set_mci_info(&em_x270_mci_platform_data); } #else static inline void em_x270_init_mmc(void) {} #endif /* LCD */ #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) 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_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); } #else 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) { pxa_set_ac97_info(NULL); } #else static inline void em_x270_init_ac97(void) {} #endif #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE) static unsigned int em_x270_matrix_keys[] = { KEY(0, 0, KEY_A), KEY(1, 0, KEY_UP), KEY(2, 1, KEY_B), KEY(0, 2, KEY_LEFT), KEY(1, 1, KEY_ENTER), KEY(2, 0, KEY_RIGHT), KEY(0, 1, KEY_C), KEY(1, 2, KEY_DOWN), KEY(2, 2, KEY_D), }; struct pxa27x_keypad_platform_data em_x270_keypad_info = { /* code map for the matrix keys */ .matrix_key_rows = 3, .matrix_key_cols = 3, .matrix_key_map = em_x270_matrix_keys, .matrix_key_map_size = ARRAY_SIZE(em_x270_matrix_keys), }; static void __init em_x270_init_keypad(void) { pxa_set_keypad_info(&em_x270_keypad_info); } #else static inline void em_x270_init_keypad(void) {} #endif #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) static struct gpio_keys_button gpio_keys_button[] = { [0] = { .desc = "sleep/wakeup", .code = KEY_SUSPEND, .type = EV_PWR, .gpio = 1, .wakeup = 1, }, }; static struct gpio_keys_platform_data em_x270_gpio_keys_data = { .buttons = gpio_keys_button, .nbuttons = 1, }; static struct platform_device em_x270_gpio_keys = { .name = "gpio-keys", .id = -1, .dev = { .platform_data = &em_x270_gpio_keys_data, }, }; static void __init em_x270_init_gpio_keys(void) { platform_device_register(&em_x270_gpio_keys); } #else 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") .boot_params = 0xa0000100, .phys_io = 0x40000000, .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, .map_io = pxa_map_io, .init_irq = pxa27x_init_irq, .timer = &pxa_timer, .init_machine = em_x270_init, MACHINE_END