cregit-Linux how code gets into the kernel

Release 4.11 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/asic3.h>
#include <linux/mtd/physmap.h>
#include <linux/pda_power.h>
#include <linux/platform_data/gpio-htc-egpio.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 "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); }

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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); }

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#ifdef CONFIG_PM
static void w3220_lcd_suspend(struct w100fb_par *wfb) { sony_lcd_off(); }

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static void w3220_lcd_resume(struct w100fb_par *wfb) { sony_lcd_init(); }

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#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(); }

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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 = { .max_brightness = 200, .dft_brightness = 100, .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, 30923, PWM_POLARITY_NORMAL), }; /* * 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, .enable_dma = 1, }; /* * External power */
static int power_supply_init(struct device *dev) { return gpio_request(GPIOD9_nAC_IN, "AC charger detect"); }

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static int hx4700_is_ac_online(void) { return !gpio_get_value(GPIOD9_nAC_IN); }

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static void power_supply_exit(struct device *dev) { gpio_free(GPIOD9_nAC_IN); }

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Philipp Zabel16100.00%1100.00%
Total16100.00%1100.00%

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); }

Contributors

PersonTokensPropCommitsCommitProp
Philipp Zabel1990.48%150.00%
Marc Zyngier29.52%150.00%
Total21100.00%2100.00%

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); regulator_has_full_constraints(); }

Contributors

PersonTokensPropCommitsCommitProp
Philipp Zabel11569.28%333.33%
Paul Parsons2313.86%333.33%
Russell King159.04%111.11%
Axel Lin106.02%111.11%
Martin Vajnar31.81%111.11%
Total166100.00%9100.00%

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

Overall Contributors

PersonTokensPropCommitsCommitProp
Philipp Zabel284883.20%49.76%
Paul Parsons3018.79%1331.71%
Heiko Stübner1063.10%12.44%
Axel Lin892.60%24.88%
Russell King200.58%24.88%
Alexandre Belloni100.29%24.88%
Haojian Zhuang90.26%24.88%
Eric Miao60.18%24.88%
Marek Vašut60.18%24.88%
Sebastian Andrzej Siewior60.18%24.88%
Thierry Reding40.12%12.44%
Linus Walleij40.12%12.44%
Martin Vajnar30.09%12.44%
Dmitry Artamonow30.09%12.44%
Stephen Warren20.06%12.44%
Arnd Bergmann20.06%24.88%
Nico Pitre20.06%12.44%
Marc Zyngier20.06%12.44%
Total3423100.00%41100.00%
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