/* * linux/arch/arm/mach-pxa/cm-x300.c * * Support for the CompuLab CM-X300 modules * * Copyright (C) 2008,2009 CompuLab Ltd. * * Mike Rapoport * Igor Grinberg * * 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 #include #include #include #include "generic.h" #include "devices.h" #define CM_X300_ETH_PHYS 0x08000010 #define GPIO82_MMC_IRQ (82) #define GPIO85_MMC_WP (85) #define CM_X300_MMC_IRQ IRQ_GPIO(GPIO82_MMC_IRQ) #define GPIO95_RTC_CS (95) #define GPIO96_RTC_WR (96) #define GPIO97_RTC_RD (97) #define GPIO98_RTC_IO (98) static mfp_cfg_t cm_x3xx_mfp_cfg[] __initdata = { /* 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, GPIO72_LCD_FCLK, GPIO73_LCD_LCLK, GPIO74_LCD_PCLK, GPIO75_LCD_BIAS, /* BTUART */ GPIO111_UART2_RTS, GPIO112_UART2_RXD | MFP_LPM_EDGE_FALL, GPIO113_UART2_TXD, GPIO114_UART2_CTS | MFP_LPM_EDGE_BOTH, /* STUART */ GPIO109_UART3_TXD, GPIO110_UART3_RXD | MFP_LPM_EDGE_FALL, /* AC97 */ GPIO23_AC97_nACRESET, GPIO24_AC97_SYSCLK, GPIO29_AC97_BITCLK, GPIO25_AC97_SDATA_IN_0, GPIO27_AC97_SDATA_OUT, GPIO28_AC97_SYNC, /* Keypad */ GPIO115_KP_MKIN_0 | MFP_LPM_EDGE_BOTH, GPIO116_KP_MKIN_1 | MFP_LPM_EDGE_BOTH, GPIO117_KP_MKIN_2 | MFP_LPM_EDGE_BOTH, GPIO118_KP_MKIN_3 | MFP_LPM_EDGE_BOTH, GPIO119_KP_MKIN_4 | MFP_LPM_EDGE_BOTH, GPIO120_KP_MKIN_5 | MFP_LPM_EDGE_BOTH, GPIO2_2_KP_MKIN_6 | MFP_LPM_EDGE_BOTH, GPIO3_2_KP_MKIN_7 | MFP_LPM_EDGE_BOTH, GPIO121_KP_MKOUT_0, GPIO122_KP_MKOUT_1, GPIO123_KP_MKOUT_2, GPIO124_KP_MKOUT_3, GPIO125_KP_MKOUT_4, GPIO4_2_KP_MKOUT_5, /* MMC1 */ GPIO3_MMC1_DAT0, GPIO4_MMC1_DAT1 | MFP_LPM_EDGE_BOTH, GPIO5_MMC1_DAT2, GPIO6_MMC1_DAT3, GPIO7_MMC1_CLK, GPIO8_MMC1_CMD, /* CMD0 for slot 0 */ /* MMC2 */ GPIO9_MMC2_DAT0, GPIO10_MMC2_DAT1 | MFP_LPM_EDGE_BOTH, GPIO11_MMC2_DAT2, GPIO12_MMC2_DAT3, GPIO13_MMC2_CLK, GPIO14_MMC2_CMD, /* FFUART */ GPIO30_UART1_RXD | MFP_LPM_EDGE_FALL, GPIO31_UART1_TXD, GPIO32_UART1_CTS, GPIO37_UART1_RTS, GPIO33_UART1_DCD, GPIO34_UART1_DSR | MFP_LPM_EDGE_FALL, GPIO35_UART1_RI, GPIO36_UART1_DTR, /* GPIOs */ GPIO82_GPIO | MFP_PULL_HIGH, /* MMC CD */ GPIO85_GPIO, /* MMC WP */ GPIO99_GPIO, /* Ethernet IRQ */ /* RTC GPIOs */ GPIO95_GPIO, /* RTC CS */ GPIO96_GPIO, /* RTC WR */ GPIO97_GPIO, /* RTC RD */ GPIO98_GPIO, /* RTC IO */ /* Standard I2C */ GPIO21_I2C_SCL, GPIO22_I2C_SDA, /* PWM Backlight */ GPIO19_PWM2_OUT, }; static mfp_cfg_t cm_x3xx_rev_lt130_mfp_cfg[] __initdata = { /* GPIOs */ GPIO79_GPIO, /* LED */ GPIO77_GPIO, /* WiFi reset */ GPIO78_GPIO, /* BT reset */ }; static mfp_cfg_t cm_x3xx_rev_ge130_mfp_cfg[] __initdata = { /* GPIOs */ GPIO76_GPIO, /* LED */ GPIO71_GPIO, /* WiFi reset */ GPIO70_GPIO, /* BT reset */ }; static mfp_cfg_t cm_x310_mfp_cfg[] __initdata = { /* USB PORT 2 */ ULPI_STP, ULPI_NXT, ULPI_DIR, GPIO30_ULPI_DATA_OUT_0, GPIO31_ULPI_DATA_OUT_1, GPIO32_ULPI_DATA_OUT_2, GPIO33_ULPI_DATA_OUT_3, GPIO34_ULPI_DATA_OUT_4, GPIO35_ULPI_DATA_OUT_5, GPIO36_ULPI_DATA_OUT_6, GPIO37_ULPI_DATA_OUT_7, GPIO38_ULPI_CLK, /* external PHY reset pin */ GPIO127_GPIO, /* USB PORT 3 */ GPIO77_USB_P3_1, GPIO78_USB_P3_2, GPIO79_USB_P3_3, GPIO80_USB_P3_4, GPIO81_USB_P3_5, GPIO82_USB_P3_6, GPIO0_2_USBH_PEN, }; #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE) static struct resource dm9000_resources[] = { [0] = { .start = CM_X300_ETH_PHYS, .end = CM_X300_ETH_PHYS + 0x3, .flags = IORESOURCE_MEM, }, [1] = { .start = CM_X300_ETH_PHYS + 0x4, .end = CM_X300_ETH_PHYS + 0x4 + 500, .flags = IORESOURCE_MEM, }, [2] = { .start = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO99)), .end = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO99)), .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, } }; static struct dm9000_plat_data cm_x300_dm9000_platdata = { .flags = DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM, }; static struct platform_device dm9000_device = { .name = "dm9000", .id = 0, .num_resources = ARRAY_SIZE(dm9000_resources), .resource = dm9000_resources, .dev = { .platform_data = &cm_x300_dm9000_platdata, } }; static void __init cm_x300_init_dm9000(void) { platform_device_register(&dm9000_device); } #else static inline void cm_x300_init_dm9000(void) {} #endif /* LCD */ #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) static struct pxafb_mode_info cm_x300_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, .cmap_greyscale = 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, .cmap_greyscale = 0, }, }; static struct pxafb_mach_info cm_x300_lcd = { .modes = cm_x300_lcd_modes, .num_modes = ARRAY_SIZE(cm_x300_lcd_modes), .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL, }; static void __init cm_x300_init_lcd(void) { set_pxa_fb_info(&cm_x300_lcd); } #else static inline void cm_x300_init_lcd(void) {} #endif #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE) static struct platform_pwm_backlight_data cm_x300_backlight_data = { .pwm_id = 2, .max_brightness = 100, .dft_brightness = 100, .pwm_period_ns = 10000, }; static struct platform_device cm_x300_backlight_device = { .name = "pwm-backlight", .dev = { .parent = &pxa27x_device_pwm0.dev, .platform_data = &cm_x300_backlight_data, }, }; static void cm_x300_init_bl(void) { platform_device_register(&cm_x300_backlight_device); } #else static inline void cm_x300_init_bl(void) {} #endif #if defined(CONFIG_SPI_GPIO) || defined(CONFIG_SPI_GPIO_MODULE) #define GPIO_LCD_BASE (144) #define GPIO_LCD_DIN (GPIO_LCD_BASE + 8) /* aux_gpio3_0 */ #define GPIO_LCD_DOUT (GPIO_LCD_BASE + 9) /* aux_gpio3_1 */ #define GPIO_LCD_SCL (GPIO_LCD_BASE + 10) /* aux_gpio3_2 */ #define GPIO_LCD_CS (GPIO_LCD_BASE + 11) /* aux_gpio3_3 */ #define LCD_SPI_BUS_NUM (1) static struct spi_gpio_platform_data cm_x300_spi_gpio_pdata = { .sck = GPIO_LCD_SCL, .mosi = GPIO_LCD_DIN, .miso = GPIO_LCD_DOUT, .num_chipselect = 1, }; static struct platform_device cm_x300_spi_gpio = { .name = "spi_gpio", .id = LCD_SPI_BUS_NUM, .dev = { .platform_data = &cm_x300_spi_gpio_pdata, }, }; static struct tdo24m_platform_data cm_x300_tdo24m_pdata = { .model = TDO35S, }; static struct spi_board_info cm_x300_spi_devices[] __initdata = { { .modalias = "tdo24m", .max_speed_hz = 1000000, .bus_num = LCD_SPI_BUS_NUM, .chip_select = 0, .controller_data = (void *) GPIO_LCD_CS, .platform_data = &cm_x300_tdo24m_pdata, }, }; static void __init cm_x300_init_spi(void) { spi_register_board_info(cm_x300_spi_devices, ARRAY_SIZE(cm_x300_spi_devices)); platform_device_register(&cm_x300_spi_gpio); } #else static inline void cm_x300_init_spi(void) {} #endif #if defined(CONFIG_SND_PXA2XX_LIB_AC97) static void __init cm_x300_init_ac97(void) { pxa_set_ac97_info(NULL); } #else static inline void cm_x300_init_ac97(void) {} #endif #if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE) static struct mtd_partition cm_x300_nand_partitions[] = { [0] = { .name = "OBM", .offset = 0, .size = SZ_256K, .mask_flags = MTD_WRITEABLE, /* force read-only */ }, [1] = { .name = "U-Boot", .offset = MTDPART_OFS_APPEND, .size = SZ_256K, .mask_flags = MTD_WRITEABLE, /* force read-only */ }, [2] = { .name = "Environment", .offset = MTDPART_OFS_APPEND, .size = SZ_256K, }, [3] = { .name = "reserved", .offset = MTDPART_OFS_APPEND, .size = SZ_256K + SZ_1M, .mask_flags = MTD_WRITEABLE, /* force read-only */ }, [4] = { .name = "kernel", .offset = MTDPART_OFS_APPEND, .size = SZ_4M, }, [5] = { .name = "fs", .offset = MTDPART_OFS_APPEND, .size = MTDPART_SIZ_FULL, }, }; static struct pxa3xx_nand_platform_data cm_x300_nand_info = { .enable_arbiter = 1, .keep_config = 1, .parts = cm_x300_nand_partitions, .nr_parts = ARRAY_SIZE(cm_x300_nand_partitions), }; static void __init cm_x300_init_nand(void) { pxa3xx_set_nand_info(&cm_x300_nand_info); } #else static inline void cm_x300_init_nand(void) {} #endif #if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE) static struct pxamci_platform_data cm_x300_mci_platform_data = { .detect_delay = 20, .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, .gpio_card_detect = GPIO82_MMC_IRQ, .gpio_card_ro = GPIO85_MMC_WP, .gpio_power = -1, }; /* The second MMC slot of CM-X300 is hardwired to Libertas card and has no detection/ro pins */ static int cm_x300_mci2_init(struct device *dev, irq_handler_t cm_x300_detect_int, void *data) { return 0; } static void cm_x300_mci2_exit(struct device *dev, void *data) { } static struct pxamci_platform_data cm_x300_mci2_platform_data = { .detect_delay = 20, .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, .init = cm_x300_mci2_init, .exit = cm_x300_mci2_exit, .gpio_card_detect = -1, .gpio_card_ro = -1, .gpio_power = -1, }; static void __init cm_x300_init_mmc(void) { pxa_set_mci_info(&cm_x300_mci_platform_data); pxa3xx_set_mci2_info(&cm_x300_mci2_platform_data); } #else static inline void cm_x300_init_mmc(void) {} #endif #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) static int cm_x300_ohci_init(struct device *dev) { if (cpu_is_pxa300()) UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DMPDE | UP2OCR_DPPDE; return 0; } static struct pxaohci_platform_data cm_x300_ohci_platform_data = { .port_mode = PMM_PERPORT_MODE, .flags = ENABLE_PORT_ALL | POWER_CONTROL_LOW, .init = cm_x300_ohci_init, }; static void __init cm_x300_init_ohci(void) { pxa_set_ohci_info(&cm_x300_ohci_platform_data); } #else static inline void cm_x300_init_ohci(void) {} #endif #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE) static struct gpio_led cm_x300_leds[] = { [0] = { .name = "cm-x300:green", .default_trigger = "heartbeat", .active_low = 1, }, }; static struct gpio_led_platform_data cm_x300_gpio_led_pdata = { .num_leds = ARRAY_SIZE(cm_x300_leds), .leds = cm_x300_leds, }; static struct platform_device cm_x300_led_device = { .name = "leds-gpio", .id = -1, .dev = { .platform_data = &cm_x300_gpio_led_pdata, }, }; static void __init cm_x300_init_leds(void) { if (system_rev < 130) cm_x300_leds[0].gpio = 79; else cm_x300_leds[0].gpio = 76; platform_device_register(&cm_x300_led_device); } #else static inline void cm_x300_init_leds(void) {} #endif #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) /* PCA9555 */ static struct pca953x_platform_data cm_x300_gpio_ext_pdata_0 = { .gpio_base = 128, }; static struct pca953x_platform_data cm_x300_gpio_ext_pdata_1 = { .gpio_base = 144, }; static struct i2c_board_info cm_x300_gpio_ext_info[] = { [0] = { I2C_BOARD_INFO("pca9555", 0x24), .platform_data = &cm_x300_gpio_ext_pdata_0, }, [1] = { I2C_BOARD_INFO("pca9555", 0x25), .platform_data = &cm_x300_gpio_ext_pdata_1, }, }; static void __init cm_x300_init_i2c(void) { pxa_set_i2c_info(NULL); i2c_register_board_info(0, cm_x300_gpio_ext_info, ARRAY_SIZE(cm_x300_gpio_ext_info)); } #else static inline void cm_x300_init_i2c(void) {} #endif #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE) struct v3020_platform_data cm_x300_v3020_pdata = { .use_gpio = 1, .gpio_cs = GPIO95_RTC_CS, .gpio_wr = GPIO96_RTC_WR, .gpio_rd = GPIO97_RTC_RD, .gpio_io = GPIO98_RTC_IO, }; static struct platform_device cm_x300_rtc_device = { .name = "v3020", .id = -1, .dev = { .platform_data = &cm_x300_v3020_pdata, } }; static void __init cm_x300_init_rtc(void) { platform_device_register(&cm_x300_rtc_device); } #else static inline void cm_x300_init_rtc(void) {} #endif /* Battery */ struct power_supply_info cm_x300_psy_info = { .name = "battery", .technology = POWER_SUPPLY_TECHNOLOGY_LIPO, .voltage_max_design = 4200000, .voltage_min_design = 3000000, .use_for_apm = 1, }; static void cm_x300_battery_low(void) { #if defined(CONFIG_APM_EMULATION) apm_queue_event(APM_LOW_BATTERY); #endif } static void cm_x300_battery_critical(void) { #if defined(CONFIG_APM_EMULATION) apm_queue_event(APM_CRITICAL_SUSPEND); #endif } struct da9030_battery_info cm_x300_battery_info = { .battery_info = &cm_x300_psy_info, .charge_milliamp = 1000, .charge_millivolt = 4200, .vbat_low = 3600, .vbat_crit = 3400, .vbat_charge_start = 4100, .vbat_charge_stop = 4200, .vbat_charge_restart = 4000, .vcharge_min = 3200, .vcharge_max = 5500, .tbat_low = 197, .tbat_high = 78, .tbat_restart = 100, .batmon_interval = 0, .battery_low = cm_x300_battery_low, .battery_critical = cm_x300_battery_critical, }; static struct regulator_consumer_supply buck2_consumers[] = { { .dev = NULL, .supply = "vcc_core", }, }; static struct regulator_init_data buck2_data = { .constraints = { .min_uV = 1375000, .max_uV = 1375000, .state_mem = { .enabled = 0, }, .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, .apply_uV = 1, }, .num_consumer_supplies = ARRAY_SIZE(buck2_consumers), .consumer_supplies = buck2_consumers, }; /* DA9030 */ struct da903x_subdev_info cm_x300_da9030_subdevs[] = { { .name = "da903x-battery", .id = DA9030_ID_BAT, .platform_data = &cm_x300_battery_info, }, { .name = "da903x-regulator", .id = DA9030_ID_BUCK2, .platform_data = &buck2_data, }, }; static struct da903x_platform_data cm_x300_da9030_info = { .num_subdevs = ARRAY_SIZE(cm_x300_da9030_subdevs), .subdevs = cm_x300_da9030_subdevs, }; static struct i2c_board_info cm_x300_pmic_info = { I2C_BOARD_INFO("da9030", 0x49), .irq = IRQ_WAKEUP0, .platform_data = &cm_x300_da9030_info, }; static struct i2c_pxa_platform_data cm_x300_pwr_i2c_info = { .use_pio = 1, }; static void __init cm_x300_init_da9030(void) { pxa3xx_set_i2c_power_info(&cm_x300_pwr_i2c_info); i2c_register_board_info(1, &cm_x300_pmic_info, 1); } static void __init cm_x300_init_wi2wi(void) { int bt_reset, wlan_en; int err; if (system_rev < 130) { wlan_en = 77; bt_reset = 78; } else { wlan_en = 71; bt_reset = 70; } /* Libertas and CSR reset */ err = gpio_request(wlan_en, "wlan en"); if (err) { pr_err("CM-X300: failed to request wlan en gpio: %d\n", err); } else { gpio_direction_output(wlan_en, 1); gpio_free(wlan_en); } err = gpio_request(bt_reset, "bt reset"); if (err) { pr_err("CM-X300: failed to request bt reset gpio: %d\n", err); } else { gpio_direction_output(bt_reset, 1); udelay(10); gpio_set_value(bt_reset, 0); udelay(10); gpio_set_value(bt_reset, 1); gpio_free(bt_reset); } } /* MFP */ static void __init cm_x300_init_mfp(void) { /* board-processor specific GPIO initialization */ pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_mfp_cfg)); if (system_rev < 130) pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_lt130_mfp_cfg)); else pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_ge130_mfp_cfg)); if (cpu_is_pxa310()) pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x310_mfp_cfg)); } static void __init cm_x300_init(void) { cm_x300_init_mfp(); pxa_set_ffuart_info(NULL); pxa_set_btuart_info(NULL); pxa_set_stuart_info(NULL); cm_x300_init_da9030(); cm_x300_init_dm9000(); cm_x300_init_lcd(); cm_x300_init_ohci(); cm_x300_init_mmc(); cm_x300_init_nand(); cm_x300_init_leds(); cm_x300_init_i2c(); cm_x300_init_spi(); cm_x300_init_rtc(); cm_x300_init_ac97(); cm_x300_init_wi2wi(); cm_x300_init_bl(); } static void __init cm_x300_fixup(struct machine_desc *mdesc, struct tag *tags, char **cmdline, struct meminfo *mi) { mi->nr_banks = 2; mi->bank[0].start = 0xa0000000; mi->bank[0].node = 0; mi->bank[0].size = (64*1024*1024); mi->bank[1].start = 0xc0000000; mi->bank[1].node = 0; mi->bank[1].size = (64*1024*1024); } MACHINE_START(CM_X300, "CM-X300 module") .phys_io = 0x40000000, .boot_params = 0xa0000100, .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, .map_io = pxa_map_io, .init_irq = pxa3xx_init_irq, .timer = &pxa_timer, .init_machine = cm_x300_init, .fixup = cm_x300_fixup, MACHINE_END