- 根目录:
- arch
- arm
- mach-pxa
- hx4700.c
/*
* Support for HP iPAQ hx4700 PDAs.
*
* Copyright (c) 2008-2009 Philipp Zabel
*
* Based on code:
* Copyright (c) 2004 Hewlett-Packard Company.
* Copyright (c) 2005 SDG Systems, LLC
* Copyright (c) 2006 Anton Vorontsov <cbou@mail.ru>
*
* 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/delay.h>
#include <linux/fb.h>
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
#include <linux/input/navpoint.h>
#include <linux/lcd.h>
#include <linux/mfd/htc-egpio.h>
#include <linux/mfd/asic3.h>
#include <linux/mtd/physmap.h>
#include <linux/pda_power.h>
#include <linux/pwm.h>
#include <linux/pwm_backlight.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/gpio-regulator.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/max1586.h>
#include <linux/spi/ads7846.h>
#include <linux/spi/spi.h>
#include <linux/spi/pxa2xx_spi.h>
#include <linux/usb/gpio_vbus.h>
#include <linux/i2c/pxa-i2c.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <mach/pxa27x.h>
#include <mach/hx4700.h>
#include <linux/platform_data/irda-pxaficp.h>
#include <sound/ak4641.h>
#include <video/platform_lcd.h>
#include <video/w100fb.h>
#include "devices.h"
#include "generic.h"
/* Physical address space information */
#define ATI_W3220_PHYS PXA_CS2_PHYS /* ATI Imageon 3220 Graphics */
#define ASIC3_PHYS PXA_CS3_PHYS
#define ASIC3_SD_PHYS (PXA_CS3_PHYS + 0x02000000)
static unsigned long hx4700_pin_config[] __initdata = {
/* SDRAM and Static Memory I/O Signals */
GPIO20_nSDCS_2,
GPIO21_nSDCS_3,
GPIO15_nCS_1,
GPIO78_nCS_2, /* W3220 */
GPIO79_nCS_3, /* ASIC3 */
GPIO80_nCS_4,
GPIO33_nCS_5, /* EGPIO, WLAN */
/* PC CARD */
GPIO48_nPOE,
GPIO49_nPWE,
GPIO50_nPIOR,
GPIO51_nPIOW,
GPIO54_nPCE_2,
GPIO55_nPREG,
GPIO56_nPWAIT,
GPIO57_nIOIS16,
GPIO85_nPCE_1,
GPIO104_PSKTSEL,
/* I2C */
GPIO117_I2C_SCL,
GPIO118_I2C_SDA,
/* FFUART (RS-232) */
GPIO34_FFUART_RXD,
GPIO35_FFUART_CTS,
GPIO36_FFUART_DCD,
GPIO37_FFUART_DSR,
GPIO38_FFUART_RI,
GPIO39_FFUART_TXD,
GPIO40_FFUART_DTR,
GPIO41_FFUART_RTS,
/* BTUART */
GPIO42_BTUART_RXD,
GPIO43_BTUART_TXD_LPM_LOW,
GPIO44_BTUART_CTS,
GPIO45_BTUART_RTS_LPM_LOW,
/* STUART (IRDA) */
GPIO46_STUART_RXD,
GPIO47_STUART_TXD,
/* PWM 1 (Backlight) */
GPIO17_PWM1_OUT,
/* I2S */
GPIO28_I2S_BITCLK_OUT,
GPIO29_I2S_SDATA_IN,
GPIO30_I2S_SDATA_OUT,
GPIO31_I2S_SYNC,
GPIO113_I2S_SYSCLK,
/* SSP 1 (NavPoint) */
GPIO23_SSP1_SCLK_IN,
GPIO24_SSP1_SFRM,
GPIO25_SSP1_TXD,
GPIO26_SSP1_RXD,
/* SSP 2 (TSC2046) */
GPIO19_SSP2_SCLK,
GPIO86_SSP2_RXD,
GPIO87_SSP2_TXD,
GPIO88_GPIO | MFP_LPM_DRIVE_HIGH, /* TSC2046_CS */
/* BQ24022 Regulator */
GPIO72_GPIO | MFP_LPM_KEEP_OUTPUT, /* BQ24022_nCHARGE_EN */
GPIO96_GPIO | MFP_LPM_KEEP_OUTPUT, /* BQ24022_ISET2 */
/* HX4700 specific input GPIOs */
GPIO12_GPIO | WAKEUP_ON_EDGE_RISE, /* ASIC3_IRQ */
GPIO13_GPIO, /* W3220_IRQ */
GPIO14_GPIO, /* nWLAN_IRQ */
/* HX4700 specific output GPIOs */
GPIO61_GPIO | MFP_LPM_DRIVE_HIGH, /* W3220_nRESET */
GPIO71_GPIO | MFP_LPM_DRIVE_HIGH, /* ASIC3_nRESET */
GPIO81_GPIO | MFP_LPM_DRIVE_HIGH, /* CPU_GP_nRESET */
GPIO116_GPIO | MFP_LPM_DRIVE_HIGH, /* CPU_HW_nRESET */
GPIO102_GPIO | MFP_LPM_DRIVE_LOW, /* SYNAPTICS_POWER_ON */
GPIO10_GPIO, /* GSM_IRQ */
GPIO13_GPIO, /* CPLD_IRQ */
GPIO107_GPIO, /* DS1WM_IRQ */
GPIO108_GPIO, /* GSM_READY */
GPIO58_GPIO, /* TSC2046_nPENIRQ */
GPIO66_GPIO, /* nSDIO_IRQ */
};
/*
* IRDA
*/
static struct pxaficp_platform_data ficp_info = {
.gpio_pwdown = GPIO105_HX4700_nIR_ON,
.transceiver_cap = IR_SIRMODE | IR_OFF,
};
/*
* GPIO Keys
*/
#define INIT_KEY(_code, _gpio, _active_low, _desc) \
{ \
.code = KEY_##_code, \
.gpio = _gpio, \
.active_low = _active_low, \
.desc = _desc, \
.type = EV_KEY, \
.wakeup = 1, \
}
static struct gpio_keys_button gpio_keys_buttons[] = {
INIT_KEY(POWER, GPIO0_HX4700_nKEY_POWER, 1, "Power button"),
INIT_KEY(MAIL, GPIO94_HX4700_KEY_MAIL, 0, "Mail button"),
INIT_KEY(ADDRESSBOOK, GPIO99_HX4700_KEY_CONTACTS,0, "Contacts button"),
INIT_KEY(RECORD, GPIOD6_nKEY_RECORD, 1, "Record button"),
INIT_KEY(CALENDAR, GPIOD1_nKEY_CALENDAR, 1, "Calendar button"),
INIT_KEY(HOMEPAGE, GPIOD3_nKEY_HOME, 1, "Home button"),
};
static struct gpio_keys_platform_data gpio_keys_data = {
.buttons = gpio_keys_buttons,
.nbuttons = ARRAY_SIZE(gpio_keys_buttons),
};
static struct platform_device gpio_keys = {
.name = "gpio-keys",
.dev = {
.platform_data = &gpio_keys_data,
},
.id = -1,
};
/*
* Synaptics NavPoint connected to SSP1
*/
static struct navpoint_platform_data navpoint_platform_data = {
.port = 1,
.gpio = GPIO102_HX4700_SYNAPTICS_POWER_ON,
};
static struct platform_device navpoint = {
.name = "navpoint",
.id = -1,
.dev = {
.platform_data = &navpoint_platform_data,
},
};
/*
* ASIC3
*/
static u16 asic3_gpio_config[] = {
/* ASIC3 GPIO banks A and B along with some of C and D
implement the buffering for the CF slot. */
ASIC3_CONFIG_GPIO(0, 1, 1, 0),
ASIC3_CONFIG_GPIO(1, 1, 1, 0),
ASIC3_CONFIG_GPIO(2, 1, 1, 0),
ASIC3_CONFIG_GPIO(3, 1, 1, 0),
ASIC3_CONFIG_GPIO(4, 1, 1, 0),
ASIC3_CONFIG_GPIO(5, 1, 1, 0),
ASIC3_CONFIG_GPIO(6, 1, 1, 0),
ASIC3_CONFIG_GPIO(7, 1, 1, 0),
ASIC3_CONFIG_GPIO(8, 1, 1, 0),
ASIC3_CONFIG_GPIO(9, 1, 1, 0),
ASIC3_CONFIG_GPIO(10, 1, 1, 0),
ASIC3_CONFIG_GPIO(11, 1, 1, 0),
ASIC3_CONFIG_GPIO(12, 1, 1, 0),
ASIC3_CONFIG_GPIO(13, 1, 1, 0),
ASIC3_CONFIG_GPIO(14, 1, 1, 0),
ASIC3_CONFIG_GPIO(15, 1, 1, 0),
ASIC3_CONFIG_GPIO(16, 1, 1, 0),
ASIC3_CONFIG_GPIO(17, 1, 1, 0),
ASIC3_CONFIG_GPIO(18, 1, 1, 0),
ASIC3_CONFIG_GPIO(19, 1, 1, 0),
ASIC3_CONFIG_GPIO(20, 1, 1, 0),
ASIC3_CONFIG_GPIO(21, 1, 1, 0),
ASIC3_CONFIG_GPIO(22, 1, 1, 0),
ASIC3_CONFIG_GPIO(23, 1, 1, 0),
ASIC3_CONFIG_GPIO(24, 1, 1, 0),
ASIC3_CONFIG_GPIO(25, 1, 1, 0),
ASIC3_CONFIG_GPIO(26, 1, 1, 0),
ASIC3_CONFIG_GPIO(27, 1, 1, 0),
ASIC3_CONFIG_GPIO(28, 1, 1, 0),
ASIC3_CONFIG_GPIO(29, 1, 1, 0),
ASIC3_CONFIG_GPIO(30, 1, 1, 0),
ASIC3_CONFIG_GPIO(31, 1, 1, 0),
/* GPIOC - CF, LEDs, SD */
ASIC3_GPIOC0_LED0, /* red */
ASIC3_GPIOC1_LED1, /* green */
ASIC3_GPIOC2_LED2, /* blue */
ASIC3_GPIOC5_nCIOW,
ASIC3_GPIOC6_nCIOR,
ASIC3_GPIOC7_nPCE_1,
ASIC3_GPIOC8_nPCE_2,
ASIC3_GPIOC9_nPOE,
ASIC3_GPIOC10_nPWE,
ASIC3_GPIOC11_PSKTSEL,
ASIC3_GPIOC12_nPREG,
ASIC3_GPIOC13_nPWAIT,
ASIC3_GPIOC14_nPIOIS16,
ASIC3_GPIOC15_nPIOR,
/* GPIOD: input GPIOs, CF */
ASIC3_GPIOD4_CF_nCD,
ASIC3_GPIOD11_nCIOIS16,
ASIC3_GPIOD12_nCWAIT,
ASIC3_GPIOD15_nPIOW,
};
static struct asic3_led asic3_leds[ASIC3_NUM_LEDS] = {
[0] = {
.name = "hx4700:amber",
.default_trigger = "ds2760-battery.0-charging-blink-full-solid",
},
[1] = {
.name = "hx4700:green",
.default_trigger = "unused",
},
[2] = {
.name = "hx4700:blue",
.default_trigger = "hx4700-radio",
},
};
static struct resource asic3_resources[] = {
/* GPIO part */
[0] = DEFINE_RES_MEM(ASIC3_PHYS, ASIC3_MAP_SIZE_16BIT),
[1] = DEFINE_RES_IRQ(PXA_GPIO_TO_IRQ(GPIO12_HX4700_ASIC3_IRQ)),
/* SD part */
[2] = DEFINE_RES_MEM(ASIC3_SD_PHYS, ASIC3_MAP_SIZE_16BIT),
[3] = DEFINE_RES_IRQ(PXA_GPIO_TO_IRQ(GPIO66_HX4700_ASIC3_nSDIO_IRQ)),
};
static struct asic3_platform_data asic3_platform_data = {
.gpio_config = asic3_gpio_config,
.gpio_config_num = ARRAY_SIZE(asic3_gpio_config),
.irq_base = IRQ_BOARD_START,
.gpio_base = HX4700_ASIC3_GPIO_BASE,
.clock_rate = 4000000,
.leds = asic3_leds,
};
static struct platform_device asic3 = {
.name = "asic3",
.id = -1,
.resource = asic3_resources,
.num_resources = ARRAY_SIZE(asic3_resources),
.dev = {
.platform_data = &asic3_platform_data,
},
};
/*
* EGPIO
*/
static struct resource egpio_resources[] = {
[0] = DEFINE_RES_MEM(PXA_CS5_PHYS, 0x4),
};
static struct htc_egpio_chip egpio_chips[] = {
[0] = {
.reg_start = 0,
.gpio_base = HX4700_EGPIO_BASE,
.num_gpios = 8,
.direction = HTC_EGPIO_OUTPUT,
},
};
static struct htc_egpio_platform_data egpio_info = {
.reg_width = 16,
.bus_width = 16,
.chip = egpio_chips,
.num_chips = ARRAY_SIZE(egpio_chips),
};
static struct platform_device egpio = {
.name = "htc-egpio",
.id = -1,
.resource = egpio_resources,
.num_resources = ARRAY_SIZE(egpio_resources),
.dev = {
.platform_data = &egpio_info,
},
};
/*
* LCD - Sony display connected to ATI Imageon w3220
*/
static void sony_lcd_init(void)
{
gpio_set_value(GPIO84_HX4700_LCD_SQN, 1);
gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 0);
gpio_set_value(GPIO70_HX4700_LCD_SLIN1, 0);
gpio_set_value(GPIO62_HX4700_LCD_nRESET, 0);
mdelay(10);
gpio_set_value(GPIO59_HX4700_LCD_PC1, 0);
gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
mdelay(20);
gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 1);
mdelay(5);
gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 1);
/* FIXME: init w3220 registers here */
mdelay(5);
gpio_set_value(GPIO70_HX4700_LCD_SLIN1, 1);
mdelay(10);
gpio_set_value(GPIO62_HX4700_LCD_nRESET, 1);
mdelay(10);
gpio_set_value(GPIO59_HX4700_LCD_PC1, 1);
mdelay(10);
gpio_set_value(GPIO112_HX4700_LCD_N2V7_7V3_ON, 1);
}
static void sony_lcd_off(void)
{
gpio_set_value(GPIO59_HX4700_LCD_PC1, 0);
gpio_set_value(GPIO62_HX4700_LCD_nRESET, 0);
mdelay(10);
gpio_set_value(GPIO112_HX4700_LCD_N2V7_7V3_ON, 0);
mdelay(10);
gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 0);
mdelay(10);
gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
}
#ifdef CONFIG_PM
static void w3220_lcd_suspend(struct w100fb_par *wfb)
{
sony_lcd_off();
}
static void w3220_lcd_resume(struct w100fb_par *wfb)
{
sony_lcd_init();
}
#else
#define w3220_lcd_resume NULL
#define w3220_lcd_suspend NULL
#endif
static struct w100_tg_info w3220_tg_info = {
.suspend = w3220_lcd_suspend,
.resume = w3220_lcd_resume,
};
/* W3220_VGA QVGA */
static struct w100_gen_regs w3220_regs = {
.lcd_format = 0x00000003,
.lcdd_cntl1 = 0x00000000,
.lcdd_cntl2 = 0x0003ffff,
.genlcd_cntl1 = 0x00abf003, /* 0x00fff003 */
.genlcd_cntl2 = 0x00000003,
.genlcd_cntl3 = 0x000102aa,
};
static struct w100_mode w3220_modes[] = {
{
.xres = 480,
.yres = 640,
.left_margin = 15,
.right_margin = 16,
.upper_margin = 8,
.lower_margin = 7,
.crtc_ss = 0x00000000,
.crtc_ls = 0xa1ff01f9, /* 0x21ff01f9 */
.crtc_gs = 0xc0000000, /* 0x40000000 */
.crtc_vpos_gs = 0x0000028f,
.crtc_ps1_active = 0x00000000, /* 0x41060010 */
.crtc_rev = 0,
.crtc_dclk = 0x80000000,
.crtc_gclk = 0x040a0104,
.crtc_goe = 0,
.pll_freq = 95,
.pixclk_divider = 4,
.pixclk_divider_rotated = 4,
.pixclk_src = CLK_SRC_PLL,
.sysclk_divider = 0,
.sysclk_src = CLK_SRC_PLL,
},
{
.xres = 240,
.yres = 320,
.left_margin = 9,
.right_margin = 8,
.upper_margin = 5,
.lower_margin = 4,
.crtc_ss = 0x80150014,
.crtc_ls = 0xa0fb00f7,
.crtc_gs = 0xc0080007,
.crtc_vpos_gs = 0x00080007,
.crtc_rev = 0x0000000a,
.crtc_dclk = 0x81700030,
.crtc_gclk = 0x8015010f,
.crtc_goe = 0x00000000,
.pll_freq = 95,
.pixclk_divider = 4,
.pixclk_divider_rotated = 4,
.pixclk_src = CLK_SRC_PLL,
.sysclk_divider = 0,
.sysclk_src = CLK_SRC_PLL,
},
};
struct w100_mem_info w3220_mem_info = {
.ext_cntl = 0x09640011,
.sdram_mode_reg = 0x00600021,
.ext_timing_cntl = 0x1a001545, /* 0x15001545 */
.io_cntl = 0x7ddd7333,
.size = 0x1fffff,
};
struct w100_bm_mem_info w3220_bm_mem_info = {
.ext_mem_bw = 0x50413e01,
.offset = 0,
.ext_timing_ctl = 0x00043f7f,
.ext_cntl = 0x00000010,
.mode_reg = 0x00250000,
.io_cntl = 0x0fff0000,
.config = 0x08301480,
};
static struct w100_gpio_regs w3220_gpio_info = {
.init_data1 = 0xdfe00100, /* GPIO_DATA */
.gpio_dir1 = 0xffff0000, /* GPIO_CNTL1 */
.gpio_oe1 = 0x00000000, /* GPIO_CNTL2 */
.init_data2 = 0x00000000, /* GPIO_DATA2 */
.gpio_dir2 = 0x00000000, /* GPIO_CNTL3 */
.gpio_oe2 = 0x00000000, /* GPIO_CNTL4 */
};
static struct w100fb_mach_info w3220_info = {
.tg = &w3220_tg_info,
.mem = &w3220_mem_info,
.bm_mem = &w3220_bm_mem_info,
.gpio = &w3220_gpio_info,
.regs = &w3220_regs,
.modelist = w3220_modes,
.num_modes = 2,
.xtal_freq = 16000000,
};
static struct resource w3220_resources[] = {
[0] = DEFINE_RES_MEM(ATI_W3220_PHYS, SZ_16M),
};
static struct platform_device w3220 = {
.name = "w100fb",
.id = -1,
.dev = {
.platform_data = &w3220_info,
},
.num_resources = ARRAY_SIZE(w3220_resources),
.resource = w3220_resources,
};
static void hx4700_lcd_set_power(struct plat_lcd_data *pd, unsigned int power)
{
if (power)
sony_lcd_init();
else
sony_lcd_off();
}
static struct plat_lcd_data hx4700_lcd_data = {
.set_power = hx4700_lcd_set_power,
};
static struct platform_device hx4700_lcd = {
.name = "platform-lcd",
.id = -1,
.dev = {
.platform_data = &hx4700_lcd_data,
.parent = &w3220.dev,
},
};
/*
* Backlight
*/
static struct platform_pwm_backlight_data backlight_data = {
.pwm_id = -1, /* Superseded by pwm_lookup */
.max_brightness = 200,
.dft_brightness = 100,
.pwm_period_ns = 30923,
.enable_gpio = -1,
};
static struct platform_device backlight = {
.name = "pwm-backlight",
.id = -1,
.dev = {
.parent = &pxa27x_device_pwm1.dev,
.platform_data = &backlight_data,
},
};
static struct pwm_lookup hx4700_pwm_lookup[] = {
PWM_LOOKUP("pxa27x-pwm.1", 0, "pwm-backlight", NULL),
};
/*
* USB "Transceiver"
*/
static struct gpio_vbus_mach_info gpio_vbus_info = {
.gpio_pullup = GPIO76_HX4700_USBC_PUEN,
.gpio_vbus = GPIOD14_nUSBC_DETECT,
.gpio_vbus_inverted = 1,
};
static struct platform_device gpio_vbus = {
.name = "gpio-vbus",
.id = -1,
.dev = {
.platform_data = &gpio_vbus_info,
},
};
/*
* Touchscreen - TSC2046 connected to SSP2
*/
static const struct ads7846_platform_data tsc2046_info = {
.model = 7846,
.vref_delay_usecs = 100,
.pressure_max = 1024,
.debounce_max = 10,
.debounce_tol = 3,
.debounce_rep = 1,
.gpio_pendown = GPIO58_HX4700_TSC2046_nPENIRQ,
};
static struct pxa2xx_spi_chip tsc2046_chip = {
.tx_threshold = 1,
.rx_threshold = 2,
.timeout = 64,
.gpio_cs = GPIO88_HX4700_TSC2046_CS,
};
static struct spi_board_info tsc2046_board_info[] __initdata = {
{
.modalias = "ads7846",
.bus_num = 2,
.max_speed_hz = 2600000, /* 100 kHz sample rate */
.irq = PXA_GPIO_TO_IRQ(GPIO58_HX4700_TSC2046_nPENIRQ),
.platform_data = &tsc2046_info,
.controller_data = &tsc2046_chip,
},
};
static struct pxa2xx_spi_master pxa_ssp2_master_info = {
.num_chipselect = 1,
.clock_enable = CKEN_SSP2,
.enable_dma = 1,
};
/*
* External power
*/
static int power_supply_init(struct device *dev)
{
return gpio_request(GPIOD9_nAC_IN, "AC charger detect");
}
static int hx4700_is_ac_online(void)
{
return !gpio_get_value(GPIOD9_nAC_IN);
}
static void power_supply_exit(struct device *dev)
{
gpio_free(GPIOD9_nAC_IN);
}
static char *hx4700_supplicants[] = {
"ds2760-battery.0", "backup-battery"
};
static struct pda_power_pdata power_supply_info = {
.init = power_supply_init,
.is_ac_online = hx4700_is_ac_online,
.exit = power_supply_exit,
.supplied_to = hx4700_supplicants,
.num_supplicants = ARRAY_SIZE(hx4700_supplicants),
};
static struct resource power_supply_resources[] = {
[0] = DEFINE_RES_NAMED(PXA_GPIO_TO_IRQ(GPIOD9_nAC_IN), 1, "ac",
IORESOURCE_IRQ |
IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE),
[1] = DEFINE_RES_NAMED(PXA_GPIO_TO_IRQ(GPIOD14_nUSBC_DETECT), 1, "usb",
IORESOURCE_IRQ |
IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE),
};
static struct platform_device power_supply = {
.name = "pda-power",
.id = -1,
.dev = {
.platform_data = &power_supply_info,
},
.resource = power_supply_resources,
.num_resources = ARRAY_SIZE(power_supply_resources),
};
/*
* Battery charger
*/
static struct regulator_consumer_supply bq24022_consumers[] = {
REGULATOR_SUPPLY("vbus_draw", NULL),
REGULATOR_SUPPLY("ac_draw", NULL),
};
static struct regulator_init_data bq24022_init_data = {
.constraints = {
.max_uA = 500000,
.valid_ops_mask = REGULATOR_CHANGE_CURRENT|REGULATOR_CHANGE_STATUS,
},
.num_consumer_supplies = ARRAY_SIZE(bq24022_consumers),
.consumer_supplies = bq24022_consumers,
};
static struct gpio bq24022_gpios[] = {
{ GPIO96_HX4700_BQ24022_ISET2, GPIOF_OUT_INIT_LOW, "bq24022_iset2" },
};
static struct gpio_regulator_state bq24022_states[] = {
{ .value = 100000, .gpios = (0 << 0) },
{ .value = 500000, .gpios = (1 << 0) },
};
static struct gpio_regulator_config bq24022_info = {
.supply_name = "bq24022",
.enable_gpio = GPIO72_HX4700_BQ24022_nCHARGE_EN,
.enable_high = 0,
.enabled_at_boot = 0,
.gpios = bq24022_gpios,
.nr_gpios = ARRAY_SIZE(bq24022_gpios),
.states = bq24022_states,
.nr_states = ARRAY_SIZE(bq24022_states),
.type = REGULATOR_CURRENT,
.init_data = &bq24022_init_data,
};
static struct platform_device bq24022 = {
.name = "gpio-regulator",
.id = -1,
.dev = {
.platform_data = &bq24022_info,
},
};
/*
* StrataFlash
*/
static void hx4700_set_vpp(struct platform_device *pdev, int vpp)
{
gpio_set_value(GPIO91_HX4700_FLASH_VPEN, vpp);
}
static struct resource strataflash_resource[] = {
[0] = DEFINE_RES_MEM(PXA_CS0_PHYS, SZ_64M),
[1] = DEFINE_RES_MEM(PXA_CS0_PHYS + SZ_64M, SZ_64M),
};
static struct physmap_flash_data strataflash_data = {
.width = 4,
.set_vpp = hx4700_set_vpp,
};
static struct platform_device strataflash = {
.name = "physmap-flash",
.id = -1,
.resource = strataflash_resource,
.num_resources = ARRAY_SIZE(strataflash_resource),
.dev = {
.platform_data = &strataflash_data,
},
};
/*
* Maxim MAX1587A on PI2C
*/
static struct regulator_consumer_supply max1587a_consumer =
REGULATOR_SUPPLY("vcc_core", NULL);
static struct regulator_init_data max1587a_v3_info = {
.constraints = {
.name = "vcc_core range",
.min_uV = 900000,
.max_uV = 1705000,
.always_on = 1,
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
},
.num_consumer_supplies = 1,
.consumer_supplies = &max1587a_consumer,
};
static struct max1586_subdev_data max1587a_subdev = {
.name = "vcc_core",
.id = MAX1586_V3,
.platform_data = &max1587a_v3_info,
};
static struct max1586_platform_data max1587a_info = {
.num_subdevs = 1,
.subdevs = &max1587a_subdev,
.v3_gain = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */
};
static struct i2c_board_info __initdata pi2c_board_info[] = {
{
I2C_BOARD_INFO("max1586", 0x14),
.platform_data = &max1587a_info,
},
};
/*
* Asahi Kasei AK4641 on I2C
*/
static struct ak4641_platform_data ak4641_info = {
.gpio_power = GPIO27_HX4700_CODEC_ON,
.gpio_npdn = GPIO109_HX4700_CODEC_nPDN,
};
static struct i2c_board_info i2c_board_info[] __initdata = {
{
I2C_BOARD_INFO("ak4641", 0x12),
.platform_data = &ak4641_info,
},
};
static struct platform_device audio = {
.name = "hx4700-audio",
.id = -1,
};
/*
* Platform devices
*/
static struct platform_device *devices[] __initdata = {
&asic3,
&gpio_keys,
&navpoint,
&backlight,
&w3220,
&hx4700_lcd,
&egpio,
&bq24022,
&gpio_vbus,
&power_supply,
&strataflash,
&audio,
};
static struct gpio global_gpios[] = {
{ GPIO12_HX4700_ASIC3_IRQ, GPIOF_IN, "ASIC3_IRQ" },
{ GPIO13_HX4700_W3220_IRQ, GPIOF_IN, "W3220_IRQ" },
{ GPIO14_HX4700_nWLAN_IRQ, GPIOF_IN, "WLAN_IRQ" },
{ GPIO59_HX4700_LCD_PC1, GPIOF_OUT_INIT_HIGH, "LCD_PC1" },
{ GPIO62_HX4700_LCD_nRESET, GPIOF_OUT_INIT_HIGH, "LCD_RESET" },
{ GPIO70_HX4700_LCD_SLIN1, GPIOF_OUT_INIT_HIGH, "LCD_SLIN1" },
{ GPIO84_HX4700_LCD_SQN, GPIOF_OUT_INIT_HIGH, "LCD_SQN" },
{ GPIO110_HX4700_LCD_LVDD_3V3_ON, GPIOF_OUT_INIT_HIGH, "LCD_LVDD" },
{ GPIO111_HX4700_LCD_AVDD_3V3_ON, GPIOF_OUT_INIT_HIGH, "LCD_AVDD" },
{ GPIO32_HX4700_RS232_ON, GPIOF_OUT_INIT_HIGH, "RS232_ON" },
{ GPIO61_HX4700_W3220_nRESET, GPIOF_OUT_INIT_HIGH, "W3220_nRESET" },
{ GPIO71_HX4700_ASIC3_nRESET, GPIOF_OUT_INIT_HIGH, "ASIC3_nRESET" },
{ GPIO81_HX4700_CPU_GP_nRESET, GPIOF_OUT_INIT_HIGH, "CPU_GP_nRESET" },
{ GPIO82_HX4700_EUART_RESET, GPIOF_OUT_INIT_HIGH, "EUART_RESET" },
{ GPIO116_HX4700_CPU_HW_nRESET, GPIOF_OUT_INIT_HIGH, "CPU_HW_nRESET" },
};
static void __init hx4700_init(void)
{
int ret;
PCFR = PCFR_GPR_EN | PCFR_OPDE;
pxa2xx_mfp_config(ARRAY_AND_SIZE(hx4700_pin_config));
gpio_set_wake(GPIO12_HX4700_ASIC3_IRQ, 1);
ret = gpio_request_array(ARRAY_AND_SIZE(global_gpios));
if (ret)
pr_err ("hx4700: Failed to request GPIOs.\n");
pxa_set_ffuart_info(NULL);
pxa_set_btuart_info(NULL);
pxa_set_stuart_info(NULL);
platform_add_devices(devices, ARRAY_SIZE(devices));
pwm_add_table(hx4700_pwm_lookup, ARRAY_SIZE(hx4700_pwm_lookup));
pxa_set_ficp_info(&ficp_info);
pxa27x_set_i2c_power_info(NULL);
pxa_set_i2c_info(NULL);
i2c_register_board_info(0, ARRAY_AND_SIZE(i2c_board_info));
i2c_register_board_info(1, ARRAY_AND_SIZE(pi2c_board_info));
pxa2xx_set_spi_info(2, &pxa_ssp2_master_info);
spi_register_board_info(ARRAY_AND_SIZE(tsc2046_board_info));
gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 0);
mdelay(10);
gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 1);
mdelay(10);
}
MACHINE_START(H4700, "HP iPAQ HX4700")
.atag_offset = 0x100,
.map_io = pxa27x_map_io,
.nr_irqs = HX4700_NR_IRQS,
.init_irq = pxa27x_init_irq,
.handle_irq = pxa27x_handle_irq,
.init_machine = hx4700_init,
.init_time = pxa_timer_init,
.restart = pxa_restart,
MACHINE_END