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em-x270.c
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em-x270.c
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/*
* Support for CompuLab EM-X270 platform
*
* Copyright (C) 2007, 2008 CompuLab, Ltd.
* Author: Mike Rapoport <[email protected]>
*
* 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/power_supply.h>
#include <linux/apm-emulation.h>
#include <linux/i2c.h>
#include <linux/i2c/pca953x.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 <mach/pxafb.h>
#include <mach/ohci.h>
#include <mach/mmc.h>
#include <plat/pxa27x_keypad.h>
#include <plat/i2c.h>
#include <mach/camera.h>
#include <mach/pxa2xx_spi.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 IRQ_GPIO(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
},
};
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(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(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);
regulator_enable(em_x270_usb_ldo);
gpio_set_value(usb_hub_reset, 0);
gpio_set_value(usb_hub_reset, 1);
regulator_disable(em_x270_usb_ldo);
regulator_enable(em_x270_usb_ldo);
gpio_set_value(usb_hub_reset, 0);
gpio_set_value(GPIO9_USB_VBUS_EN, 1);
return 0;
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_DISABLED | 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 void 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);
regulator_enable(em_x270_sdio_ldo);
} else {
regulator_disable(em_x270_sdio_ldo);
}
}
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)
{
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,
.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 = IRQ_GPIO(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 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),
};
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_key_map = em_x270_module_matrix_keys,
.matrix_key_map_size = ARRAY_SIZE(em_x270_module_matrix_keys),
};
static 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),
};
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_key_map = em_x270_exeda_matrix_keys,
.matrix_key_map_size = ARRAY_SIZE(em_x270_exeda_matrix_keys),
};
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;