diff options
Diffstat (limited to 'arch/arm/mach-pxa/em-x270.c')
| -rw-r--r-- | arch/arm/mach-pxa/em-x270.c | 1331 |
1 files changed, 1331 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/em-x270.c b/arch/arm/mach-pxa/em-x270.c new file mode 100644 index 000000000..51531ecff --- /dev/null +++ b/arch/arm/mach-pxa/em-x270.c @@ -0,0 +1,1331 @@ +/* + * Support for CompuLab EM-X270 platform + * + * Copyright (C) 2007, 2008 CompuLab, Ltd. + * Author: Mike Rapoport <mike@compulab.co.il> + * + * 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/irq.h> +#include <linux/platform_device.h> +#include <linux/delay.h> + +#include <linux/dm9000.h> +#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 <linux/spi/libertas_spi.h> +#include <linux/spi/pxa2xx_spi.h> +#include <linux/power_supply.h> +#include <linux/apm-emulation.h> +#include <linux/i2c.h> +#include <linux/platform_data/pca953x.h> +#include <linux/i2c/pxa-i2c.h> +#include <linux/regulator/userspace-consumer.h> + +#include <media/soc_camera.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> + +#include <mach/pxa27x.h> +#include <mach/pxa27x-udc.h> +#include <mach/audio.h> +#include <linux/platform_data/video-pxafb.h> +#include <linux/platform_data/usb-ohci-pxa27x.h> +#include <linux/platform_data/mmc-pxamci.h> +#include <linux/platform_data/keypad-pxa27x.h> +#include <linux/platform_data/camera-pxa.h> + +#include "generic.h" +#include "devices.h" + +/* EM-X270 specific GPIOs */ +#define GPIO13_MMC_CD (13) +#define GPIO95_MMC_WP (95) +#define GPIO56_NAND_RB (56) +#define GPIO93_CAM_RESET (93) +#define GPIO16_USB_HUB_RESET (16) + +/* eXeda specific GPIOs */ +#define GPIO114_MMC_CD (114) +#define GPIO20_NAND_RB (20) +#define GPIO38_SD_PWEN (38) +#define GPIO37_WLAN_RST (37) +#define GPIO95_TOUCHPAD_INT (95) +#define GPIO130_CAM_RESET (130) +#define GPIO10_USB_HUB_RESET (10) + +/* common GPIOs */ +#define GPIO11_NAND_CS (11) +#define GPIO41_ETHIRQ (41) +#define EM_X270_ETHIRQ PXA_GPIO_TO_IRQ(GPIO41_ETHIRQ) +#define GPIO115_WLAN_PWEN (115) +#define GPIO19_WLAN_STRAP (19) +#define GPIO9_USB_VBUS_EN (9) + +static int mmc_cd; +static int nand_rb; +static int dm9000_flags; +static int cam_reset; +static int usb_hub_reset; + +static unsigned long common_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 */ + GPIOxx_LCD_TFT_16BPP, + + /* 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_GPIO, /* SSP2 clock is used as GPIO for Libertas pin-strap */ + GPIO14_GPIO, + 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, /* sleep/resume button */ + + /* power controls */ + GPIO20_GPIO | MFP_LPM_DRIVE_LOW, /* GPRS_PWEN */ + GPIO115_GPIO | MFP_LPM_DRIVE_LOW, /* WLAN_PWEN */ + + /* NAND controls */ + GPIO11_GPIO | MFP_LPM_DRIVE_HIGH, /* NAND CE# */ + + /* interrupts */ + GPIO41_GPIO, /* DM9000 interrupt */ +}; + +static unsigned long em_x270_pin_config[] = { + GPIO13_GPIO, /* MMC card detect */ + GPIO16_GPIO, /* USB hub reset */ + GPIO56_GPIO, /* NAND Ready/Busy */ + GPIO93_GPIO | MFP_LPM_DRIVE_LOW, /* Camera reset */ + GPIO95_GPIO, /* MMC Write protect */ +}; + +static unsigned long exeda_pin_config[] = { + GPIO10_GPIO, /* USB hub reset */ + GPIO20_GPIO, /* NAND Ready/Busy */ + GPIO38_GPIO | MFP_LPM_DRIVE_LOW, /* SD slot power */ + GPIO95_GPIO, /* touchpad IRQ */ + GPIO114_GPIO, /* MMC card detect */ +}; + +#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_NO_EEPROM, +}; + +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) +{ + em_x270_dm9000_platdata.flags |= dm9000_flags; + 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(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 + }, +}; + +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, + }, + .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_warn("EM-X270: failed to request NAND CS gpio\n"); + return; + } + + gpio_direction_output(GPIO11_NAND_CS, 1); + + err = gpio_request(nand_rb, "NAND R/B"); + if (err) { + pr_warn("EM-X270: failed to request NAND R/B gpio\n"); + gpio_free(GPIO11_NAND_CS); + return; + } + + gpio_direction_input(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 struct regulator *em_x270_usb_ldo; + +static int em_x270_usb_hub_init(void) +{ + int err; + + em_x270_usb_ldo = regulator_get(NULL, "vcc usb"); + if (IS_ERR(em_x270_usb_ldo)) + return PTR_ERR(em_x270_usb_ldo); + + err = gpio_request(GPIO9_USB_VBUS_EN, "vbus en"); + if (err) + goto err_free_usb_ldo; + + err = gpio_request(usb_hub_reset, "hub rst"); + if (err) + goto err_free_vbus_gpio; + + /* USB Hub power-on and reset */ + gpio_direction_output(usb_hub_reset, 1); + gpio_direction_output(GPIO9_USB_VBUS_EN, 0); + err = regulator_enable(em_x270_usb_ldo); + if (err) + goto err_free_rst_gpio; + + gpio_set_value(usb_hub_reset, 0); + gpio_set_value(usb_hub_reset, 1); + regulator_disable(em_x270_usb_ldo); + err = regulator_enable(em_x270_usb_ldo); + if (err) + goto err_free_rst_gpio; + + gpio_set_value(usb_hub_reset, 0); + gpio_set_value(GPIO9_USB_VBUS_EN, 1); + + return 0; + +err_free_rst_gpio: + gpio_free(usb_hub_reset); +err_free_vbus_gpio: + gpio_free(GPIO9_USB_VBUS_EN); +err_free_usb_ldo: + regulator_put(em_x270_usb_ldo); + + return err; +} + +static int em_x270_ohci_init(struct device *dev) +{ + int err; + + /* we don't want to entirely disable USB if the HUB init failed */ + err = em_x270_usb_hub_init(); + if (err) + pr_err("USB Hub initialization failed: %d\n", err); + + /* enable port 2 transiever */ + UP2OCR = UP2OCR_HXS | UP2OCR_HXOE; + + return 0; +} + +static void em_x270_ohci_exit(struct device *dev) +{ + gpio_free(usb_hub_reset); + gpio_free(GPIO9_USB_VBUS_EN); + + if (!IS_ERR(em_x270_usb_ldo)) { + if (regulator_is_enabled(em_x270_usb_ldo)) + regulator_disable(em_x270_usb_ldo); + + regulator_put(em_x270_usb_ldo); + } +} + +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, + .exit = em_x270_ohci_exit, +}; + +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 struct regulator *em_x270_sdio_ldo; + +static int em_x270_mci_init(struct device *dev, + irq_handler_t em_x270_detect_int, + void *data) +{ + int err; + + em_x270_sdio_ldo = regulator_get(dev, "vcc sdio"); + if (IS_ERR(em_x270_sdio_ldo)) { + dev_err(dev, "can't request SDIO power supply: %ld\n", + PTR_ERR(em_x270_sdio_ldo)); + return PTR_ERR(em_x270_sdio_ldo); + } + + err = request_irq(gpio_to_irq(mmc_cd), em_x270_detect_int, + IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, + "MMC card detect", data); + if (err) { + dev_err(dev, "can't request MMC card detect IRQ: %d\n", err); + goto err_irq; + } + + if (machine_is_em_x270()) { + err = gpio_request(GPIO95_MMC_WP, "MMC WP"); + if (err) { + dev_err(dev, "can't request MMC write protect: %d\n", + err); + goto err_gpio_wp; + } + gpio_direction_input(GPIO95_MMC_WP); + } else { + err = gpio_request(GPIO38_SD_PWEN, "sdio power"); + if (err) { + dev_err(dev, "can't request MMC power control : %d\n", + err); + goto err_gpio_wp; + } + gpio_direction_output(GPIO38_SD_PWEN, 1); + } + + return 0; + +err_gpio_wp: + free_irq(gpio_to_irq(mmc_cd), data); +err_irq: + regulator_put(em_x270_sdio_ldo); + + return err; +} + +static int em_x270_mci_setpower(struct device *dev, unsigned int vdd) +{ + struct pxamci_platform_data* p_d = dev->platform_data; + + if ((1 << vdd) & p_d->ocr_mask) { + int vdd_uV = (2000 + (vdd - __ffs(MMC_VDD_20_21)) * 100) * 1000; + + regulator_set_voltage(em_x270_sdio_ldo, vdd_uV, vdd_uV); + return regulator_enable(em_x270_sdio_ldo); + } else { + regulator_disable(em_x270_sdio_ldo); + } + return 0; +} + +static void em_x270_mci_exit(struct device *dev, void *data) +{ + free_irq(gpio_to_irq(mmc_cd), data); + regulator_put(em_x270_sdio_ldo); + + if (machine_is_em_x270()) + gpio_free(GPIO95_MMC_WP); + else + gpio_free(GPIO38_SD_PWEN); +} + +static int em_x270_mci_get_ro(struct device *dev) +{ + return gpio_get_value(GPIO95_MMC_WP); +} + +static struct pxamci_platform_data em_x270_mci_platform_data = { + .detect_delay_ms = 250, + .ocr_mask = MMC_VDD_20_21|MMC_VDD_21_22|MMC_VDD_22_23| + MMC_VDD_24_25|MMC_VDD_25_26|MMC_VDD_26_27| + MMC_VDD_27_28|MMC_VDD_28_29|MMC_VDD_29_30| + MMC_VDD_30_31|MMC_VDD_31_32, + .init = em_x270_mci_init, + .setpower = em_x270_mci_setpower, + .exit = em_x270_mci_exit, + .gpio_card_detect = -1, + .gpio_card_ro = -1, + .gpio_power = -1, +}; + +static void __init em_x270_init_mmc(void) +{ + if (machine_is_em_x270()) + em_x270_mci_platform_data.get_ro = em_x270_mci_get_ro; + + 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) +{ + pxa_set_fb_info(NULL, &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, + .gpio_cs = -1, +}; + +static struct tdo24m_platform_data em_x270_tdo24m_pdata = { + .model = TDO35S, +}; + +static struct pxa2xx_spi_master em_x270_spi_2_info = { + .num_chipselect = 1, + .enable_dma = 1, +}; + +static struct pxa2xx_spi_chip em_x270_libertas_chip = { + .rx_threshold = 1, + .tx_threshold = 1, + .timeout = 1000, + .gpio_cs = 14, +}; + +static unsigned long em_x270_libertas_pin_config[] = { + /* SSP2 */ + GPIO19_SSP2_SCLK, + GPIO14_GPIO, + GPIO89_SSP2_TXD, + GPIO88_SSP2_RXD, +}; + +static int em_x270_libertas_setup(struct spi_device *spi) +{ + int err = gpio_request(GPIO115_WLAN_PWEN, "WLAN PWEN"); + if (err) + return err; + + err = gpio_request(GPIO19_WLAN_STRAP, "WLAN STRAP"); + if (err) + goto err_free_pwen; + + if (machine_is_exeda()) { + err = gpio_request(GPIO37_WLAN_RST, "WLAN RST"); + if (err) + goto err_free_strap; + + gpio_direction_output(GPIO37_WLAN_RST, 1); + msleep(100); + } + + gpio_direction_output(GPIO19_WLAN_STRAP, 1); + msleep(100); + + pxa2xx_mfp_config(ARRAY_AND_SIZE(em_x270_libertas_pin_config)); + + gpio_direction_output(GPIO115_WLAN_PWEN, 0); + msleep(100); + gpio_set_value(GPIO115_WLAN_PWEN, 1); + msleep(100); + + spi->bits_per_word = 16; + spi_setup(spi); + + return 0; + +err_free_strap: + gpio_free(GPIO19_WLAN_STRAP); +err_free_pwen: + gpio_free(GPIO115_WLAN_PWEN); + + return err; +} + +static int em_x270_libertas_teardown(struct spi_device *spi) +{ + gpio_set_value(GPIO115_WLAN_PWEN, 0); + gpio_free(GPIO115_WLAN_PWEN); + gpio_free(GPIO19_WLAN_STRAP); + + if (machine_is_exeda()) { + gpio_set_value(GPIO37_WLAN_RST, 0); + gpio_free(GPIO37_WLAN_RST); + } + + return 0; +} + +struct libertas_spi_platform_data em_x270_libertas_pdata = { + .use_dummy_writes = 1, + .setup = em_x270_libertas_setup, + .teardown = em_x270_libertas_teardown, +}; + +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, + }, + { + .modalias = "libertas_spi", + .max_speed_hz = 13000000, + .bus_num = 2, + .irq = PXA_GPIO_TO_IRQ(116), + .chip_select = 0, + .controller_data = &em_x270_libertas_chip, + .platform_data = &em_x270_libertas_pdata, + }, +}; + +static void __init em_x270_init_spi(void) +{ + pxa2xx_set_spi_info(1, &em_x270_spi_info); + pxa2xx_set_spi_info(2, &em_x270_spi_2_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_LIB_AC97) +static pxa2xx_audio_ops_t em_x270_ac97_info = { + .reset_gpio = 113, +}; + +static void __init em_x270_init_ac97(void) +{ + pxa_set_ac97_info(&em_x270_ac97_info); +} +#else +static inline void em_x270_init_ac97(void) {} +#endif + +#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE) +static const unsigned int em_x270_module_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), +}; + +static struct matrix_keymap_data em_x270_matrix_keymap_data = { + .keymap = em_x270_module_matrix_keys, + .keymap_size = ARRAY_SIZE(em_x270_module_matrix_keys), +}; + +struct pxa27x_keypad_platform_data em_x270_module_keypad_info = { + /* code map for the matrix keys */ + .matrix_key_rows = 3, + .matrix_key_cols = 3, + .matrix_keymap_data = &em_x270_matrix_keymap_data, +}; + +static const unsigned int em_x270_exeda_matrix_keys[] = { + KEY(0, 0, KEY_RIGHTSHIFT), KEY(0, 1, KEY_RIGHTCTRL), + KEY(0, 2, KEY_RIGHTALT), KEY(0, 3, KEY_SPACE), + KEY(0, 4, KEY_LEFTALT), KEY(0, 5, KEY_LEFTCTRL), + KEY(0, 6, KEY_ENTER), KEY(0, 7, KEY_SLASH), + + KEY(1, 0, KEY_DOT), KEY(1, 1, KEY_M), + KEY(1, 2, KEY_N), KEY(1, 3, KEY_B), + KEY(1, 4, KEY_V), KEY(1, 5, KEY_C), + KEY(1, 6, KEY_X), KEY(1, 7, KEY_Z), + + KEY(2, 0, KEY_LEFTSHIFT), KEY(2, 1, KEY_SEMICOLON), + KEY(2, 2, KEY_L), KEY(2, 3, KEY_K), + KEY(2, 4, KEY_J), KEY(2, 5, KEY_H), + KEY(2, 6, KEY_G), KEY(2, 7, KEY_F), + + KEY(3, 0, KEY_D), KEY(3, 1, KEY_S), + KEY(3, 2, KEY_A), KEY(3, 3, KEY_TAB), + KEY(3, 4, KEY_BACKSPACE), KEY(3, 5, KEY_P), + KEY(3, 6, KEY_O), KEY(3, 7, KEY_I), + + KEY(4, 0, KEY_U), KEY(4, 1, KEY_Y), + KEY(4, 2, KEY_T), KEY(4, 3, KEY_R), + KEY(4, 4, KEY_E), KEY(4, 5, KEY_W), + KEY(4, 6, KEY_Q), KEY(4, 7, KEY_MINUS), + + KEY(5, 0, KEY_0), KEY(5, 1, KEY_9), + KEY(5, 2, KEY_8), KEY(5, 3, KEY_7), + KEY(5, 4, KEY_6), KEY(5, 5, KEY_5), + KEY(5, 6, KEY_4), KEY(5, 7, KEY_3), + + KEY(6, 0, KEY_2), KEY(6, 1, KEY_1), + KEY(6, 2, KEY_ENTER), KEY(6, 3, KEY_END), + KEY(6, 4, KEY_DOWN), KEY(6, 5, KEY_UP), + KEY(6, 6, KEY_MENU), KEY(6, 7, KEY_F1), + + KEY(7, 0, KEY_LEFT), KEY(7, 1, KEY_RIGHT), + KEY(7, 2, KEY_BACK), KEY(7, 3, KEY_HOME), + KEY(7, 4, 0), KEY(7, 5, 0), + KEY(7, 6, 0), KEY(7, 7, 0), +}; + +static struct matrix_keymap_data em_x270_exeda_matrix_keymap_data = { + .keymap = em_x270_exeda_matrix_keys, + .keymap_size = ARRAY_SIZE(em_x270_exeda_matrix_keys), +}; + +struct pxa27x_keypad_platform_data em_x270_exeda_keypad_info = { + /* code map for the matrix keys */ + .matrix_key_rows = 8, + .matrix_key_cols = 8, + .matrix_keymap_data = &em_x270_exeda_matrix_keymap_data, +}; + +static void __init em_x270_init_keypad(void) +{ + if (machine_is_em_x270()) + pxa_set_keypad_info(&em_x270_module_keypad_info); + else + pxa_set_keypad_info(&em_x270_exeda_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(void) +{ + int ret; + + ret = gpio_request(cam_reset, "camera reset"); + if (ret) + return ret; + + gpio_direction_output(cam_reset, 0); + + em_x270_camera_ldo = regulator_get(NULL, "vcc cam"); + if (em_x270_camera_ldo == NULL) { + gpio_free(cam_reset); + return -ENODEV; + } + + ret = regulator_enable(em_x270_camera_ldo); + if (ret) { + regulator_put(em_x270_camera_ldo); + gpio_free(cam_reset); + return ret; + } + + gpio_set_value(cam_reset, 1); + + return 0; +} + +struct pxacamera_platform_data em_x270_camera_platform_data = { + .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(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(cam_reset, on); + + return 0; +} + +static struct i2c_board_info em_x270_i2c_cam_info[] = { + { + I2C_BOARD_INFO("mt9m111", 0x48), + }, +}; + +static struct soc_camera_link iclink = { + .bus_id = 0, + .power = em_x270_sensor_power, + .board_info = &em_x270_i2c_cam_info[0], + .i2c_adapter_id = 0, +}; + +static struct platform_device em_x270_camera = { + .name = "soc-camera-pdrv", + .id = -1, + .dev = { + .platform_data = &iclink, + }, +}; + +static void __init em_x270_init_camera(void) +{ + if (em_x270_sensor_init() == 0) { + pxa_set_camera_info(&em_x270_camera_platform_data); + platform_device_register(&em_x270_camera); + } +} +#else +static inline void em_x270_init_camera(void) {} +#endif + +static struct regulator_bulk_data em_x270_gps_consumer_supply = { + .supply = "vcc gps", +}; + +static struct regulator_userspace_consumer_data em_x270_gps_consumer_data = { + .name = "vcc gps", + .num_supplies = 1, + .supplies = &em_x270_gps_consumer_supply, +}; + +static struct platform_device em_x270_gps_userspace_consumer = { + .name = "reg-userspace-consumer", + .id = 0, + .dev = { + .platform_data = &em_x270_gps_consumer_data, + }, +}; + +static struct regulator_bulk_data em_x270_gprs_consumer_supply = { + .supply = "vcc gprs", +}; + +static struct regulator_userspace_consumer_data em_x270_gprs_consumer_data = { + .name = "vcc gprs", + .num_supplies = 1, + .supplies = &em_x270_gprs_consumer_supply +}; + +static struct platform_device em_x270_gprs_userspace_consumer = { + .name = "reg-userspace-consumer", + .id = 1, + .dev = { + .platform_data = &em_x270_gprs_consumer_data, + } +}; + +static struct platform_device *em_x270_userspace_consumers[] = { + &em_x270_gps_userspace_consumer, + &em_x270_gprs_userspace_consumer, +}; + +static void __init em_x270_userspace_consumers_init(void) +{ + platform_add_devices(ARRAY_AND_SIZE(em_x270_userspace_consumers)); +} + +/* DA9030 related initializations */ +#define REGULATOR_CONSUMER(_name, _dev_name, _supply) \ + static struct regulator_consumer_supply _name##_consumers[] = { \ + REGULATOR_SUPPLY(_supply, _dev_name), \ + } + +REGULATOR_CONSUMER(ldo3, "reg-userspace-consumer.0", "vcc gps"); +REGULATOR_CONSUMER(ldo5, NULL, "vcc cam"); +REGULATOR_CONSUMER(ldo10, "pxa2xx-mci", "vcc sdio"); +REGULATOR_CONSUMER(ldo12, NULL, "vcc usb"); +REGULATOR_CONSUMER(ldo19, "reg-userspace-consumer.1", "vcc gprs"); +REGULATOR_CONSUMER(buck2, NULL, "vcc_core"); + +#define REGULATOR_INIT(_ldo, _min_uV, _max_uV, _ops_mask) \ + static struct regulator_init_data _ldo##_data = { \ + .constraints = { \ + .min_uV = _min_uV, \ + .max_uV = _max_uV, \ + .state_mem = { \ + .enabled = 0, \ + }, \ + .valid_ops_mask = _ops_mask, \ + .apply_uV = 1, \ + }, \ + .num_consumer_supplies = ARRAY_SIZE(_ldo##_consumers), \ + .consumer_supplies = _ldo##_consumers, \ + }; + +REGULATOR_INIT(ldo3, 3200000, 3200000, REGULATOR_CHANGE_STATUS); +REGULATOR_INIT(ldo5, 3000000, 3000000, REGULATOR_CHANGE_STATUS); +REGULATOR_INIT(ldo10, 2000000, 3200000, + REGULATOR_CHANGE_STATUS | REGULATOR_CHANGE_VOLTAGE); +REGULATOR_INIT(ldo12, 3000000, 3000000, REGULATOR_CHANGE_STATUS); +REGULATOR_INIT(ldo19, 3200000, 3200000, REGULATOR_CHANGE_STATUS); +REGULATOR_INIT(buck2, 1000000, 1650000, REGULATOR_CHANGE_VOLTAGE); + +struct led_info em_x270_led_info = { + .name = "em-x270:orange", + .default_trigger = "battery-charging-or-full", +}; + +struct power_supply_info em_x270_psy_info = { + .name = "battery", + .technology = POWER_SUPPLY_TECHNOLOGY_LIPO, + .voltage_max_design = 4200000, + .voltage_min_design = 3000000, + .use_for_apm = 1, +}; + +static void em_x270_battery_low(void) +{ +#if defined(CONFIG_APM_EMULATION) + apm_queue_event(APM_LOW_BATTERY); +#endif +} + +static void em_x270_battery_critical(void) +{ +#if defined(CONFIG_APM_EMULATION) + apm_queue_event(APM_CRITICAL_SUSPEND); +#endif +} + +struct da9030_battery_info em_x270_batterty_info = { + .battery_info = &em_x270_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 = em_x270_battery_low, + .battery_critical = em_x270_battery_critical, +}; + +#define DA9030_SUBDEV(_name, _id, _pdata) \ + { \ + .name = "da903x-" #_name, \ + .id = DA9030_ID_##_id, \ + .platform_data = _pdata, \ + } + +#define DA9030_LDO(num) DA9030_SUBDEV(regulator, LDO##num, &ldo##num##_data) + +struct da903x_subdev_info em_x270_da9030_subdevs[] = { + DA9030_LDO(3), + DA9030_LDO(5), + DA9030_LDO(10), + DA9030_LDO(12), + DA9030_LDO(19), + + DA9030_SUBDEV(regulator, BUCK2, &buck2_data), + + DA9030_SUBDEV(led, LED_PC, &em_x270_led_info), + DA9030_SUBDEV(backlight, WLED, &em_x270_led_info), + DA9030_SUBDEV(battery, BAT, &em_x270_batterty_info), +}; + +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 = PXA_GPIO_TO_IRQ(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 struct pca953x_platform_data exeda_gpio_ext_pdata = { + .gpio_base = 128, +}; + +static struct i2c_board_info exeda_i2c_info[] = { + { + I2C_BOARD_INFO("pca9555", 0x21), + .platform_data = &exeda_gpio_ext_pdata, + }, +}; + +static struct i2c_pxa_platform_data em_x270_i2c_info = { + .fast_mode = 1, +}; + +static void __init em_x270_init_i2c(void) +{ + pxa_set_i2c_info(&em_x270_i2c_info); + + if (machine_is_exeda()) + i2c_register_board_info(0, ARRAY_AND_SIZE(exeda_i2c_info)); +} + +static void __init em_x270_module_init(void) +{ + pxa2xx_mfp_config(ARRAY_AND_SIZE(em_x270_pin_config)); + + mmc_cd = GPIO13_MMC_CD; + nand_rb = GPIO56_NAND_RB; + dm9000_flags = DM9000_PLATF_32BITONLY; + cam_reset = GPIO93_CAM_RESET; + usb_hub_reset = GPIO16_USB_HUB_RESET; +} + +static void __init em_x270_exeda_init(void) +{ + pxa2xx_mfp_config(ARRAY_AND_SIZE(exeda_pin_config)); + + mmc_cd = GPIO114_MMC_CD; + nand_rb = GPIO20_NAND_RB; + dm9000_flags = DM9000_PLATF_16BITONLY; + cam_reset = GPIO130_CAM_RESET; + usb_hub_reset = GPIO10_USB_HUB_RESET; +} + +static void __init em_x270_init(void) +{ + pxa2xx_mfp_config(ARRAY_AND_SIZE(common_pin_config)); + + pxa_set_ffuart_info(NULL); + pxa_set_btuart_info(NULL); + pxa_set_stuart_info(NULL); + +#ifdef CONFIG_PM + pxa27x_set_pwrmode(PWRMODE_DEEPSLEEP); +#endif + + if (machine_is_em_x270()) + em_x270_module_init(); + else if (machine_is_exeda()) + em_x270_exeda_init(); + else + panic("Unsupported machine: %d\n", machine_arch_type); + + 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_spi(); + em_x270_init_i2c(); + em_x270_init_camera(); + em_x270_userspace_consumers_init(); +} + +MACHINE_START(EM_X270, "Compulab EM-X270") + .atag_offset = 0x100, + .map_io = pxa27x_map_io, + .nr_irqs = PXA_NR_IRQS, + .init_irq = pxa27x_init_irq, + .handle_irq = pxa27x_handle_irq, + .init_time = pxa_timer_init, + .init_machine = em_x270_init, + .restart = pxa_restart, +MACHINE_END + +MACHINE_START(EXEDA, "Compulab eXeda") + .atag_offset = 0x100, + .map_io = pxa27x_map_io, + .nr_irqs = PXA_NR_IRQS, + .init_irq = pxa27x_init_irq, + .handle_irq = pxa27x_handle_irq, + .init_time = pxa_timer_init, + .init_machine = em_x270_init, + .restart = pxa_restart, +MACHINE_END |