openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity
linux/arch/arm/mach-omap2/board-rx51-peripherals.c

756 lines
19 KiB
C
Raw Blame History

/*
* linux/arch/arm/mach-omap2/board-rx51-peripherals.c
*
* Copyright (C) 2008-2009 Nokia
*
* 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/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/input.h>
#include <linux/input/matrix_keypad.h>
#include <linux/spi/spi.h>
#include <linux/spi/wl12xx.h>
#include <linux/i2c.h>
#include <linux/i2c/twl.h>
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/regulator/machine.h>
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include <linux/mmc/host.h>
#include <plat/mcspi.h>
#include <plat/mux.h>
#include <plat/board.h>
#include <plat/common.h>
#include <plat/dma.h>
#include <plat/gpmc.h>
#include <plat/onenand.h>
#include <plat/gpmc-smc91x.h>
#include "mux.h"
#include "mmc-twl4030.h"
#define SYSTEM_REV_B_USES_VAUX3 0x1699
#define SYSTEM_REV_S_USES_VAUX3 0x8
#define RX51_WL1251_POWER_GPIO 87
#define RX51_WL1251_IRQ_GPIO 42
/* list all spi devices here */
enum {
RX51_SPI_WL1251,
};
static struct wl12xx_platform_data wl1251_pdata;
static struct omap2_mcspi_device_config wl1251_mcspi_config = {
.turbo_mode = 0,
.single_channel = 1,
};
static struct spi_board_info rx51_peripherals_spi_board_info[] __initdata = {
[RX51_SPI_WL1251] = {
.modalias = "wl1251",
.bus_num = 4,
.chip_select = 0,
.max_speed_hz = 48000000,
.mode = SPI_MODE_3,
.controller_data = &wl1251_mcspi_config,
.platform_data = &wl1251_pdata,
},
};
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
#define RX51_GPIO_CAMERA_LENS_COVER 110
#define RX51_GPIO_CAMERA_FOCUS 68
#define RX51_GPIO_CAMERA_CAPTURE 69
#define RX51_GPIO_KEYPAD_SLIDE 71
#define RX51_GPIO_LOCK_BUTTON 113
#define RX51_GPIO_PROXIMITY 89
#define RX51_GPIO_DEBOUNCE_TIMEOUT 10
static struct gpio_keys_button rx51_gpio_keys[] = {
{
.desc = "Camera Lens Cover",
.type = EV_SW,
.code = SW_CAMERA_LENS_COVER,
.gpio = RX51_GPIO_CAMERA_LENS_COVER,
.active_low = 1,
.debounce_interval = RX51_GPIO_DEBOUNCE_TIMEOUT,
}, {
.desc = "Camera Focus",
.type = EV_KEY,
.code = KEY_CAMERA_FOCUS,
.gpio = RX51_GPIO_CAMERA_FOCUS,
.active_low = 1,
.debounce_interval = RX51_GPIO_DEBOUNCE_TIMEOUT,
}, {
.desc = "Camera Capture",
.type = EV_KEY,
.code = KEY_CAMERA,
.gpio = RX51_GPIO_CAMERA_CAPTURE,
.active_low = 1,
.debounce_interval = RX51_GPIO_DEBOUNCE_TIMEOUT,
}, {
.desc = "Lock Button",
.type = EV_KEY,
.code = KEY_SCREENLOCK,
.gpio = RX51_GPIO_LOCK_BUTTON,
.active_low = 1,
.debounce_interval = RX51_GPIO_DEBOUNCE_TIMEOUT,
}, {
.desc = "Keypad Slide",
.type = EV_SW,
.code = SW_KEYPAD_SLIDE,
.gpio = RX51_GPIO_KEYPAD_SLIDE,
.active_low = 1,
.debounce_interval = RX51_GPIO_DEBOUNCE_TIMEOUT,
}, {
.desc = "Proximity Sensor",
.type = EV_SW,
.code = SW_FRONT_PROXIMITY,
.gpio = RX51_GPIO_PROXIMITY,
.active_low = 0,
.debounce_interval = RX51_GPIO_DEBOUNCE_TIMEOUT,
}
};
static struct gpio_keys_platform_data rx51_gpio_keys_data = {
.buttons = rx51_gpio_keys,
.nbuttons = ARRAY_SIZE(rx51_gpio_keys),
};
static struct platform_device rx51_gpio_keys_device = {
.name = "gpio-keys",
.id = -1,
.dev = {
.platform_data = &rx51_gpio_keys_data,
},
};
static void __init rx51_add_gpio_keys(void)
{
platform_device_register(&rx51_gpio_keys_device);
}
#else
static void __init rx51_add_gpio_keys(void)
{
}
#endif /* CONFIG_KEYBOARD_GPIO || CONFIG_KEYBOARD_GPIO_MODULE */
static int board_keymap[] = {
KEY(0, 0, KEY_Q),
KEY(0, 1, KEY_O),
KEY(0, 2, KEY_P),
KEY(0, 3, KEY_COMMA),
KEY(0, 4, KEY_BACKSPACE),
KEY(0, 6, KEY_A),
KEY(0, 7, KEY_S),
KEY(1, 0, KEY_W),
KEY(1, 1, KEY_D),
KEY(1, 2, KEY_F),
KEY(1, 3, KEY_G),
KEY(1, 4, KEY_H),
KEY(1, 5, KEY_J),
KEY(1, 6, KEY_K),
KEY(1, 7, KEY_L),
KEY(2, 0, KEY_E),
KEY(2, 1, KEY_DOT),
KEY(2, 2, KEY_UP),
KEY(2, 3, KEY_ENTER),
KEY(2, 5, KEY_Z),
KEY(2, 6, KEY_X),
KEY(2, 7, KEY_C),
KEY(3, 0, KEY_R),
KEY(3, 1, KEY_V),
KEY(3, 2, KEY_B),
KEY(3, 3, KEY_N),
KEY(3, 4, KEY_M),
KEY(3, 5, KEY_SPACE),
KEY(3, 6, KEY_SPACE),
KEY(3, 7, KEY_LEFT),
KEY(4, 0, KEY_T),
KEY(4, 1, KEY_DOWN),
KEY(4, 2, KEY_RIGHT),
KEY(4, 4, KEY_LEFTCTRL),
KEY(4, 5, KEY_RIGHTALT),
KEY(4, 6, KEY_LEFTSHIFT),
KEY(5, 0, KEY_Y),
KEY(6, 0, KEY_U),
KEY(7, 0, KEY_I),
KEY(7, 1, KEY_F7),
KEY(7, 2, KEY_F8),
KEY(0xff, 2, KEY_F9),
KEY(0xff, 4, KEY_F10),
KEY(0xff, 5, KEY_F11),
};
static struct matrix_keymap_data board_map_data = {
.keymap = board_keymap,
.keymap_size = ARRAY_SIZE(board_keymap),
};
static struct twl4030_keypad_data rx51_kp_data = {
.keymap_data = &board_map_data,
.rows = 8,
.cols = 8,
.rep = 1,
};
static struct twl4030_madc_platform_data rx51_madc_data = {
.irq_line = 1,
};
static struct twl4030_hsmmc_info mmc[] = {
{
.name = "external",
.mmc = 1,
.wires = 4,
.cover_only = true,
.gpio_cd = 160,
.gpio_wp = -EINVAL,
.power_saving = true,
},
{
.name = "internal",
.mmc = 2,
.wires = 8,
.gpio_cd = -EINVAL,
.gpio_wp = -EINVAL,
.nonremovable = true,
.power_saving = true,
},
{} /* Terminator */
};
static struct regulator_consumer_supply rx51_vmmc1_supply = {
.supply = "vmmc",
};
static struct regulator_consumer_supply rx51_vmmc2_supply = {
.supply = "vmmc",
};
static struct regulator_consumer_supply rx51_vsim_supply = {
.supply = "vmmc_aux",
};
static struct regulator_init_data rx51_vaux1 = {
.constraints = {
.name = "V28",
.min_uV = 2800000,
.max_uV = 2800000,
.valid_modes_mask = REGULATOR_MODE_NORMAL
| REGULATOR_MODE_STANDBY,
.valid_ops_mask = REGULATOR_CHANGE_MODE
| REGULATOR_CHANGE_STATUS,
},
};
static struct regulator_init_data rx51_vaux2 = {
.constraints = {
.name = "VCSI",
.min_uV = 1800000,
.max_uV = 1800000,
.valid_modes_mask = REGULATOR_MODE_NORMAL
| REGULATOR_MODE_STANDBY,
.valid_ops_mask = REGULATOR_CHANGE_MODE
| REGULATOR_CHANGE_STATUS,
},
};
/* VAUX3 - adds more power to VIO_18 rail */
static struct regulator_init_data rx51_vaux3_cam = {
.constraints = {
.name = "VCAM_DIG_18",
.min_uV = 1800000,
.max_uV = 1800000,
.apply_uV = true,
.valid_modes_mask = REGULATOR_MODE_NORMAL
| REGULATOR_MODE_STANDBY,
.valid_ops_mask = REGULATOR_CHANGE_MODE
| REGULATOR_CHANGE_STATUS,
},
};
static struct regulator_init_data rx51_vaux3_mmc = {
.constraints = {
.name = "VMMC2_30",
.min_uV = 2800000,
.max_uV = 3000000,
.apply_uV = true,
.valid_modes_mask = REGULATOR_MODE_NORMAL
| REGULATOR_MODE_STANDBY,
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
| REGULATOR_CHANGE_MODE
| REGULATOR_CHANGE_STATUS,
},
.num_consumer_supplies = 1,
.consumer_supplies = &rx51_vmmc2_supply,
};
static struct regulator_init_data rx51_vaux4 = {
.constraints = {
.name = "VCAM_ANA_28",
.min_uV = 2800000,
.max_uV = 2800000,
.apply_uV = true,
.valid_modes_mask = REGULATOR_MODE_NORMAL
| REGULATOR_MODE_STANDBY,
.valid_ops_mask = REGULATOR_CHANGE_MODE
| REGULATOR_CHANGE_STATUS,
},
};
static struct regulator_init_data rx51_vmmc1 = {
.constraints = {
.min_uV = 1850000,
.max_uV = 3150000,
.valid_modes_mask = REGULATOR_MODE_NORMAL
| REGULATOR_MODE_STANDBY,
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
| REGULATOR_CHANGE_MODE
| REGULATOR_CHANGE_STATUS,
},
.num_consumer_supplies = 1,
.consumer_supplies = &rx51_vmmc1_supply,
};
static struct regulator_init_data rx51_vmmc2 = {
.constraints = {
.name = "VMMC2_30",
.min_uV = 1850000,
.max_uV = 3150000,
.apply_uV = true,
.valid_modes_mask = REGULATOR_MODE_NORMAL
| REGULATOR_MODE_STANDBY,
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
| REGULATOR_CHANGE_MODE
| REGULATOR_CHANGE_STATUS,
},
.num_consumer_supplies = 1,
.consumer_supplies = &rx51_vmmc2_supply,
};
static struct regulator_init_data rx51_vsim = {
.constraints = {
.name = "VMMC2_IO_18",
.min_uV = 1800000,
.max_uV = 1800000,
.apply_uV = true,
.valid_modes_mask = REGULATOR_MODE_NORMAL
| REGULATOR_MODE_STANDBY,
.valid_ops_mask = REGULATOR_CHANGE_MODE
| REGULATOR_CHANGE_STATUS,
},
.num_consumer_supplies = 1,
.consumer_supplies = &rx51_vsim_supply,
};
static struct regulator_init_data rx51_vdac = {
.constraints = {
.min_uV = 1800000,
.max_uV = 1800000,
.valid_modes_mask = REGULATOR_MODE_NORMAL
| REGULATOR_MODE_STANDBY,
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
| REGULATOR_CHANGE_MODE
| REGULATOR_CHANGE_STATUS,
},
};
static int rx51_twlgpio_setup(struct device *dev, unsigned gpio, unsigned n)
{
/* FIXME this gpio setup is just a placeholder for now */
gpio_request(gpio + 6, "backlight_pwm");
gpio_direction_output(gpio + 6, 0);
gpio_request(gpio + 7, "speaker_en");
gpio_direction_output(gpio + 7, 1);
/* set up MMC adapters, linking their regulators to them */
twl4030_mmc_init(mmc);
rx51_vmmc1_supply.dev = mmc[0].dev;
rx51_vmmc2_supply.dev = mmc[1].dev;
rx51_vsim_supply.dev = mmc[1].dev;
return 0;
}
static struct twl4030_gpio_platform_data rx51_gpio_data = {
.gpio_base = OMAP_MAX_GPIO_LINES,
.irq_base = TWL4030_GPIO_IRQ_BASE,
.irq_end = TWL4030_GPIO_IRQ_END,
.pulldowns = BIT(0) | BIT(1) | BIT(2) | BIT(3)
| BIT(4) | BIT(5)
| BIT(8) | BIT(9) | BIT(10) | BIT(11)
| BIT(12) | BIT(13) | BIT(14) | BIT(15)
| BIT(16) | BIT(17) ,
.setup = rx51_twlgpio_setup,
};
static struct twl4030_usb_data rx51_usb_data = {
.usb_mode = T2_USB_MODE_ULPI,
};
static struct twl4030_ins sleep_on_seq[] __initdata = {
/*
* Turn off everything
*/
{MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_ALL, 1, 0, RES_STATE_SLEEP), 2},
};
static struct twl4030_script sleep_on_script __initdata = {
.script = sleep_on_seq,
.size = ARRAY_SIZE(sleep_on_seq),
.flags = TWL4030_SLEEP_SCRIPT,
};
static struct twl4030_ins wakeup_seq[] __initdata = {
/*
* Reenable everything
*/
{MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_ALL, 1, 0, RES_STATE_ACTIVE), 2},
};
static struct twl4030_script wakeup_script __initdata = {
.script = wakeup_seq,
.size = ARRAY_SIZE(wakeup_seq),
.flags = TWL4030_WAKEUP12_SCRIPT,
};
static struct twl4030_ins wakeup_p3_seq[] __initdata = {
/*
* Reenable everything
*/
{MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_ALL, 1, 0, RES_STATE_ACTIVE), 2},
};
static struct twl4030_script wakeup_p3_script __initdata = {
.script = wakeup_p3_seq,
.size = ARRAY_SIZE(wakeup_p3_seq),
.flags = TWL4030_WAKEUP3_SCRIPT,
};
static struct twl4030_ins wrst_seq[] __initdata = {
/*
* Reset twl4030.
* Reset VDD1 regulator.
* Reset VDD2 regulator.
* Reset VPLL1 regulator.
* Enable sysclk output.
* Reenable twl4030.
*/
{MSG_SINGULAR(DEV_GRP_NULL, RES_RESET, RES_STATE_OFF), 2},
{MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_ALL, 0, 1, RES_STATE_ACTIVE),
0x13},
{MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_PP, 0, 3, RES_STATE_OFF), 0x13},
{MSG_SINGULAR(DEV_GRP_NULL, RES_VDD1, RES_STATE_WRST), 0x13},
{MSG_SINGULAR(DEV_GRP_NULL, RES_VDD2, RES_STATE_WRST), 0x13},
{MSG_SINGULAR(DEV_GRP_NULL, RES_VPLL1, RES_STATE_WRST), 0x35},
{MSG_SINGULAR(DEV_GRP_P3, RES_HFCLKOUT, RES_STATE_ACTIVE), 2},
{MSG_SINGULAR(DEV_GRP_NULL, RES_RESET, RES_STATE_ACTIVE), 2},
};
static struct twl4030_script wrst_script __initdata = {
.script = wrst_seq,
.size = ARRAY_SIZE(wrst_seq),
.flags = TWL4030_WRST_SCRIPT,
};
static struct twl4030_script *twl4030_scripts[] __initdata = {
/* wakeup12 script should be loaded before sleep script, otherwise a
board might hit retention before loading of wakeup script is
completed. This can cause boot failures depending on timing issues.
*/
&wakeup_script,
&sleep_on_script,
&wakeup_p3_script,
&wrst_script,
};
static struct twl4030_resconfig twl4030_rconfig[] __initdata = {
{ .resource = RES_VDD1, .devgroup = -1,
.type = 1, .type2 = -1, .remap_off = RES_STATE_OFF,
.remap_sleep = RES_STATE_OFF
},
{ .resource = RES_VDD2, .devgroup = -1,
.type = 1, .type2 = -1, .remap_off = RES_STATE_OFF,
.remap_sleep = RES_STATE_OFF
},
{ .resource = RES_VPLL1, .devgroup = -1,
.type = 1, .type2 = -1, .remap_off = RES_STATE_OFF,
.remap_sleep = RES_STATE_OFF
},
{ .resource = RES_VPLL2, .devgroup = -1,
.type = -1, .type2 = 3, .remap_off = -1, .remap_sleep = -1
},
{ .resource = RES_VAUX1, .devgroup = -1,
.type = -1, .type2 = 3, .remap_off = -1, .remap_sleep = -1
},
{ .resource = RES_VAUX2, .devgroup = -1,
.type = -1, .type2 = 3, .remap_off = -1, .remap_sleep = -1
},
{ .resource = RES_VAUX3, .devgroup = -1,
.type = -1, .type2 = 3, .remap_off = -1, .remap_sleep = -1
},
{ .resource = RES_VAUX4, .devgroup = -1,
.type = -1, .type2 = 3, .remap_off = -1, .remap_sleep = -1
},
{ .resource = RES_VMMC1, .devgroup = -1,
.type = -1, .type2 = 3, .remap_off = -1, .remap_sleep = -1
},
{ .resource = RES_VMMC2, .devgroup = -1,
.type = -1, .type2 = 3, .remap_off = -1, .remap_sleep = -1
},
{ .resource = RES_VDAC, .devgroup = -1,
.type = -1, .type2 = 3, .remap_off = -1, .remap_sleep = -1
},
{ .resource = RES_VSIM, .devgroup = -1,
.type = -1, .type2 = 3, .remap_off = -1, .remap_sleep = -1
},
{ .resource = RES_VINTANA1, .devgroup = DEV_GRP_P1 | DEV_GRP_P3,
.type = -1, .type2 = -1, .remap_off = -1, .remap_sleep = -1
},
{ .resource = RES_VINTANA2, .devgroup = DEV_GRP_P1 | DEV_GRP_P3,
.type = 1, .type2 = -1, .remap_off = -1, .remap_sleep = -1
},
{ .resource = RES_VINTDIG, .devgroup = DEV_GRP_P1 | DEV_GRP_P3,
.type = -1, .type2 = -1, .remap_off = -1, .remap_sleep = -1
},
{ .resource = RES_VIO, .devgroup = DEV_GRP_P3,
.type = 1, .type2 = -1, .remap_off = -1, .remap_sleep = -1
},
{ .resource = RES_CLKEN, .devgroup = DEV_GRP_P1 | DEV_GRP_P3,
.type = 1, .type2 = -1 , .remap_off = -1, .remap_sleep = -1
},
{ .resource = RES_REGEN, .devgroup = DEV_GRP_P1 | DEV_GRP_P3,
.type = 1, .type2 = -1, .remap_off = -1, .remap_sleep = -1
},
{ .resource = RES_NRES_PWRON, .devgroup = DEV_GRP_P1 | DEV_GRP_P3,
.type = 1, .type2 = -1, .remap_off = -1, .remap_sleep = -1
},
{ .resource = RES_SYSEN, .devgroup = DEV_GRP_P1 | DEV_GRP_P3,
.type = 1, .type2 = -1, .remap_off = -1, .remap_sleep = -1
},
{ .resource = RES_HFCLKOUT, .devgroup = DEV_GRP_P3,
.type = 1, .type2 = -1, .remap_off = -1, .remap_sleep = -1
},
{ .resource = RES_32KCLKOUT, .devgroup = -1,
.type = 1, .type2 = -1, .remap_off = -1, .remap_sleep = -1
},
{ .resource = RES_RESET, .devgroup = -1,
.type = 1, .type2 = -1, .remap_off = -1, .remap_sleep = -1
},
{ .resource = RES_Main_Ref, .devgroup = -1,
.type = 1, .type2 = -1, .remap_off = -1, .remap_sleep = -1
},
{ 0, 0},
};
static struct twl4030_power_data rx51_t2scripts_data __initdata = {
.scripts = twl4030_scripts,
.num = ARRAY_SIZE(twl4030_scripts),
.resource_config = twl4030_rconfig,
};
static struct twl4030_platform_data rx51_twldata __initdata = {
.irq_base = TWL4030_IRQ_BASE,
.irq_end = TWL4030_IRQ_END,
/* platform_data for children goes here */
.gpio = &rx51_gpio_data,
.keypad = &rx51_kp_data,
.madc = &rx51_madc_data,
.usb = &rx51_usb_data,
.power = &rx51_t2scripts_data,
.vaux1 = &rx51_vaux1,
.vaux2 = &rx51_vaux2,
.vaux4 = &rx51_vaux4,
.vmmc1 = &rx51_vmmc1,
.vsim = &rx51_vsim,
.vdac = &rx51_vdac,
};
static struct i2c_board_info __initdata rx51_peripherals_i2c_board_info_1[] = {
{
I2C_BOARD_INFO("twl5030", 0x48),
.flags = I2C_CLIENT_WAKE,
.irq = INT_34XX_SYS_NIRQ,
.platform_data = &rx51_twldata,
},
};
static int __init rx51_i2c_init(void)
{
if ((system_rev >= SYSTEM_REV_S_USES_VAUX3 && system_rev < 0x100) ||
system_rev >= SYSTEM_REV_B_USES_VAUX3)
rx51_twldata.vaux3 = &rx51_vaux3_mmc;
else {
rx51_twldata.vaux3 = &rx51_vaux3_cam;
rx51_twldata.vmmc2 = &rx51_vmmc2;
}
omap_register_i2c_bus(1, 2200, rx51_peripherals_i2c_board_info_1,
ARRAY_SIZE(rx51_peripherals_i2c_board_info_1));
omap_register_i2c_bus(2, 100, NULL, 0);
omap_register_i2c_bus(3, 400, NULL, 0);
return 0;
}
#if defined(CONFIG_MTD_ONENAND_OMAP2) || \
defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
static struct mtd_partition onenand_partitions[] = {
{
.name = "bootloader",
.offset = 0,
.size = 0x20000,
.mask_flags = MTD_WRITEABLE, /* Force read-only */
},
{
.name = "config",
.offset = MTDPART_OFS_APPEND,
.size = 0x60000,
},
{
.name = "log",
.offset = MTDPART_OFS_APPEND,
.size = 0x40000,
},
{
.name = "kernel",
.offset = MTDPART_OFS_APPEND,
.size = 0x200000,
},
{
.name = "initfs",
.offset = MTDPART_OFS_APPEND,
.size = 0x200000,
},
{
.name = "rootfs",
.offset = MTDPART_OFS_APPEND,
.size = MTDPART_SIZ_FULL,
},
};
static struct omap_onenand_platform_data board_onenand_data = {
.cs = 0,
.gpio_irq = 65,
.parts = onenand_partitions,
.nr_parts = ARRAY_SIZE(onenand_partitions),
.flags = ONENAND_SYNC_READWRITE,
};
static void __init board_onenand_init(void)
{
gpmc_onenand_init(&board_onenand_data);
}
#else
static inline void board_onenand_init(void)
{
}
#endif
#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
static struct omap_smc91x_platform_data board_smc91x_data = {
.cs = 1,
.gpio_irq = 54,
.gpio_pwrdwn = 86,
.gpio_reset = 164,
.flags = GPMC_TIMINGS_SMC91C96 | IORESOURCE_IRQ_HIGHLEVEL,
};
static void __init board_smc91x_init(void)
{
omap_mux_init_gpio(54, OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_gpio(86, OMAP_PIN_OUTPUT);
omap_mux_init_gpio(164, OMAP_PIN_OUTPUT);
gpmc_smc91x_init(&board_smc91x_data);
}
#else
static inline void board_smc91x_init(void)
{
}
#endif
static void rx51_wl1251_set_power(bool enable)
{
gpio_set_value(RX51_WL1251_POWER_GPIO, enable);
}
static void __init rx51_init_wl1251(void)
{
int irq, ret;
ret = gpio_request(RX51_WL1251_POWER_GPIO, "wl1251 power");
if (ret < 0)
goto error;
ret = gpio_direction_output(RX51_WL1251_POWER_GPIO, 0);
if (ret < 0)
goto err_power;
ret = gpio_request(RX51_WL1251_IRQ_GPIO, "wl1251 irq");
if (ret < 0)
goto err_power;
ret = gpio_direction_input(RX51_WL1251_IRQ_GPIO);
if (ret < 0)
goto err_irq;
irq = gpio_to_irq(RX51_WL1251_IRQ_GPIO);
if (irq < 0)
goto err_irq;
wl1251_pdata.set_power = rx51_wl1251_set_power;
rx51_peripherals_spi_board_info[RX51_SPI_WL1251].irq = irq;
return;
err_irq:
gpio_free(RX51_WL1251_IRQ_GPIO);
err_power:
gpio_free(RX51_WL1251_POWER_GPIO);
error:
printk(KERN_ERR "wl1251 board initialisation failed\n");
wl1251_pdata.set_power = NULL;
/*
* Now rx51_peripherals_spi_board_info[1].irq is zero and
* set_power is null, and wl1251_probe() will fail.
*/
}
void __init rx51_peripherals_init(void)
{
rx51_i2c_init();
board_onenand_init();
board_smc91x_init();
rx51_add_gpio_keys();
rx51_init_wl1251();
spi_register_board_info(rx51_peripherals_spi_board_info,
ARRAY_SIZE(rx51_peripherals_spi_board_info));
}
Reference in New Issue View Git Blame Copy Permalink