- 根目录:
- arch
- arm
- mach-pxa
- cm-x300.c
/*
* linux/arch/arm/mach-pxa/cm-x300.c
*
* Support for the CompuLab CM-X300 modules
*
* Copyright (C) 2008,2009 CompuLab Ltd.
*
* Mike Rapoport <mike@compulab.co.il>
* Igor Grinberg <grinberg@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.
*/
#define pr_fmt(fmt) "%s: " fmt, __func__
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/platform_device.h>
#include <linux/clk.h>
#include <linux/gpio.h>
#include <linux/dm9000.h>
#include <linux/leds.h>
#include <linux/rtc-v3020.h>
#include <linux/pwm.h>
#include <linux/pwm_backlight.h>
#include <linux/i2c.h>
#include <linux/platform_data/pca953x.h>
#include <linux/i2c/pxa-i2c.h>
#include <linux/mfd/da903x.h>
#include <linux/regulator/machine.h>
#include <linux/power_supply.h>
#include <linux/apm-emulation.h>
#include <linux/spi/spi.h>
#include <linux/spi/spi_gpio.h>
#include <linux/spi/tdo24m.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/setup.h>
#include <asm/system_info.h>
#include <mach/pxa300.h>
#include <mach/pxa27x-udc.h>
#include <linux/platform_data/video-pxafb.h>
#include <linux/platform_data/mmc-pxamci.h>
#include <linux/platform_data/usb-ohci-pxa27x.h>
#include <linux/platform_data/mtd-nand-pxa3xx.h>
#include <mach/audio.h>
#include <linux/platform_data/usb-pxa3xx-ulpi.h>
#include <asm/mach/map.h>
#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 PXA_GPIO_TO_IRQ(GPIO82_MMC_IRQ)
#define GPIO95_RTC_CS (95)
#define GPIO96_RTC_WR (96)
#define GPIO97_RTC_RD (97)
#define GPIO98_RTC_IO (98)
#define GPIO_ULPI_PHY_RST (127)
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 | MFP_LPM_DRIVE_HIGH, /* RTC CS */
GPIO96_GPIO | MFP_LPM_DRIVE_HIGH, /* RTC WR */
GPIO97_GPIO | MFP_LPM_DRIVE_HIGH, /* 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 = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO99)),
.end = PXA_GPIO_TO_IRQ(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)
{
pxa_set_fb_info(NULL, &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 pwm_lookup cm_x300_pwm_lookup[] = {
PWM_LOOKUP("pxa27x-pwm.0", 1, "pwm-backlight.0", NULL, 10000,
PWM_POLARITY_NORMAL),
};
static struct platform_pwm_backlight_data cm_x300_backlight_data = {
.max_brightness = 100,
.dft_brightness = 100,
.enable_gpio = -1,
};
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)
{
pwm_add_table(cm_x300_pwm_lookup, ARRAY_SIZE(cm_x300_pwm_lookup));
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,
.num_cs = 1,
.parts[0] = cm_x300_nand_partitions,
.nr_parts[0] = 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_ms = 200,
.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_ms = 200,
.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_PXA310_ULPI)
static struct clk *pout_clk;
static int cm_x300_ulpi_phy_reset(void)
{
int err;
/* reset the PHY */
err = gpio_request_one(GPIO_ULPI_PHY_RST, GPIOF_OUT_INIT_LOW,
"ulpi reset");
if (err) {
pr_err("failed to request ULPI reset GPIO: %d\n", err);
return err;
}
msleep(10);
gpio_set_value(GPIO_ULPI_PHY_RST, 1);
msleep(10);
gpio_free(GPIO_ULPI_PHY_RST);
return 0;
}
static inline int cm_x300_u2d_init(struct device *dev)
{
int err = 0;
if (cpu_is_pxa310()) {
/* CLK_POUT is connected to the ULPI PHY */
pout_clk = clk_get(NULL, "CLK_POUT");
if (IS_ERR(pout_clk)) {
err = PTR_ERR(pout_clk);
pr_err("failed to get CLK_POUT: %d\n", err);
return err;
}
clk_enable(pout_clk);
err = cm_x300_ulpi_phy_reset();
if (err) {
clk_disable(pout_clk);
clk_put(pout_clk);
}
}
return err;
}
static void cm_x300_u2d_exit(struct device *dev)
{
if (cpu_is_pxa310()) {
clk_disable(pout_clk);
clk_put(pout_clk);
}
}
static struct pxa3xx_u2d_platform_data cm_x300_u2d_platform_data = {
.ulpi_mode = ULPI_SER_6PIN,
.init = cm_x300_u2d_init,
.exit = cm_x300_u2d_exit,
};
static void cm_x300_init_u2d(void)
{
pxa3xx_set_u2d_info(&cm_x300_u2d_platform_data);
}
#else
static inline void cm_x300_init_u2d(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[] = {
REGULATOR_SUPPLY("vcc_core", NULL),
};
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);
irq_set_irq_wake(IRQ_WAKEUP0, 1);
}
/* wi2wi gpio setting for system_rev >= 130 */
static struct gpio cm_x300_wi2wi_gpios[] __initdata = {
{ 71, GPIOF_OUT_INIT_HIGH, "wlan en" },
{ 70, GPIOF_OUT_INIT_HIGH, "bt reset" },
};
static void __init cm_x300_init_wi2wi(void)
{
int err;
if (system_rev < 130) {
cm_x300_wi2wi_gpios[0].gpio = 77; /* wlan en */
cm_x300_wi2wi_gpios[1].gpio = 78; /* bt reset */
}
/* Libertas and CSR reset */
err = gpio_request_array(ARRAY_AND_SIZE(cm_x300_wi2wi_gpios));
if (err) {
pr_err("failed to request wifi/bt gpios: %d\n", err);
return;
}
udelay(10);
gpio_set_value(cm_x300_wi2wi_gpios[1].gpio, 0);
udelay(10);
gpio_set_value(cm_x300_wi2wi_gpios[1].gpio, 1);
gpio_free_array(ARRAY_AND_SIZE(cm_x300_wi2wi_gpios));
}
/* 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_btuart_info(NULL);
pxa_set_stuart_info(NULL);
if (cpu_is_pxa300())
pxa_set_ffuart_info(NULL);
cm_x300_init_da9030();
cm_x300_init_dm9000();
cm_x300_init_lcd();
cm_x300_init_u2d();
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();
regulator_has_full_constraints();
}
static void __init cm_x300_fixup(struct tag *tags, char **cmdline)
{
/* Make sure that mi->bank[0].start = PHYS_ADDR */
for (; tags->hdr.size; tags = tag_next(tags))
if (tags->hdr.tag == ATAG_MEM &&
tags->u.mem.start == 0x80000000) {
tags->u.mem.start = 0xa0000000;
break;
}
}
MACHINE_START(CM_X300, "CM-X300 module")
.atag_offset = 0x100,
.map_io = pxa3xx_map_io,
.nr_irqs = PXA_NR_IRQS,
.init_irq = pxa3xx_init_irq,
.handle_irq = pxa3xx_handle_irq,
.init_time = pxa_timer_init,
.init_machine = cm_x300_init,
.fixup = cm_x300_fixup,
.restart = pxa_restart,
MACHINE_END