- 根目录:
- arch
- arm
- mach-pxa
- vpac270.c
/*
* Hardware definitions for Voipac PXA270
*
* Copyright (C) 2010
* Marek Vasut <marek.vasut@gmail.com>
*
* 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/platform_device.h>
#include <linux/delay.h>
#include <linux/irq.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
#include <linux/gpio.h>
#include <linux/usb/gpio_vbus.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/mtd/onenand.h>
#include <linux/dm9000.h>
#include <linux/ucb1400.h>
#include <linux/ata_platform.h>
#include <linux/regulator/max1586.h>
#include <linux/i2c/pxa-i2c.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <mach/pxa27x.h>
#include <mach/audio.h>
#include <mach/vpac270.h>
#include <linux/platform_data/mmc-pxamci.h>
#include <linux/platform_data/video-pxafb.h>
#include <linux/platform_data/usb-ohci-pxa27x.h>
#include <mach/pxa27x-udc.h>
#include <mach/udc.h>
#include <linux/platform_data/ata-pxa.h>
#include "generic.h"
#include "devices.h"
/******************************************************************************
* Pin configuration
******************************************************************************/
static unsigned long vpac270_pin_config[] __initdata = {
/* MMC */
GPIO32_MMC_CLK,
GPIO92_MMC_DAT_0,
GPIO109_MMC_DAT_1,
GPIO110_MMC_DAT_2,
GPIO111_MMC_DAT_3,
GPIO112_MMC_CMD,
GPIO53_GPIO, /* SD detect */
GPIO52_GPIO, /* SD r/o switch */
/* GPIO KEYS */
GPIO1_GPIO, /* USER BTN */
/* LEDs */
GPIO15_GPIO, /* orange led */
/* FFUART */
GPIO34_FFUART_RXD,
GPIO39_FFUART_TXD,
GPIO27_FFUART_RTS,
GPIO100_FFUART_CTS,
GPIO33_FFUART_DSR,
GPIO40_FFUART_DTR,
GPIO10_FFUART_DCD,
GPIO38_FFUART_RI,
/* LCD */
GPIO58_LCD_LDD_0,
GPIO59_LCD_LDD_1,
GPIO60_LCD_LDD_2,
GPIO61_LCD_LDD_3,
GPIO62_LCD_LDD_4,
GPIO63_LCD_LDD_5,
GPIO64_LCD_LDD_6,
GPIO65_LCD_LDD_7,
GPIO66_LCD_LDD_8,
GPIO67_LCD_LDD_9,
GPIO68_LCD_LDD_10,
GPIO69_LCD_LDD_11,
GPIO70_LCD_LDD_12,
GPIO71_LCD_LDD_13,
GPIO72_LCD_LDD_14,
GPIO73_LCD_LDD_15,
GPIO86_LCD_LDD_16,
GPIO87_LCD_LDD_17,
GPIO74_LCD_FCLK,
GPIO75_LCD_LCLK,
GPIO76_LCD_PCLK,
GPIO77_LCD_BIAS,
/* PCMCIA */
GPIO48_nPOE,
GPIO49_nPWE,
GPIO50_nPIOR,
GPIO51_nPIOW,
GPIO85_nPCE_1,
GPIO54_nPCE_2,
GPIO55_nPREG,
GPIO57_nIOIS16,
GPIO56_nPWAIT,
GPIO104_PSKTSEL,
GPIO84_GPIO, /* PCMCIA CD */
GPIO35_GPIO, /* PCMCIA RDY */
GPIO107_GPIO, /* PCMCIA PPEN */
GPIO11_GPIO, /* PCMCIA RESET */
GPIO17_GPIO, /* CF CD */
GPIO12_GPIO, /* CF RDY */
GPIO16_GPIO, /* CF RESET */
/* UHC */
GPIO88_USBH1_PWR,
GPIO89_USBH1_PEN,
GPIO119_USBH2_PWR,
GPIO120_USBH2_PEN,
/* UDC */
GPIO41_GPIO,
/* Ethernet */
GPIO114_GPIO, /* IRQ */
/* AC97 */
GPIO28_AC97_BITCLK,
GPIO29_AC97_SDATA_IN_0,
GPIO30_AC97_SDATA_OUT,
GPIO31_AC97_SYNC,
GPIO95_AC97_nRESET,
GPIO98_AC97_SYSCLK,
GPIO113_GPIO, /* TS IRQ */
/* I2C */
GPIO117_I2C_SCL,
GPIO118_I2C_SDA,
/* IDE */
GPIO36_GPIO, /* IDE IRQ */
GPIO80_DREQ_1,
};
/******************************************************************************
* NOR Flash
******************************************************************************/
#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
static struct mtd_partition vpac270_nor_partitions[] = {
{
.name = "Flash",
.offset = 0x00000000,
.size = MTDPART_SIZ_FULL,
}
};
static struct physmap_flash_data vpac270_flash_data[] = {
{
.width = 2, /* bankwidth in bytes */
.parts = vpac270_nor_partitions,
.nr_parts = ARRAY_SIZE(vpac270_nor_partitions)
}
};
static struct resource vpac270_flash_resource = {
.start = PXA_CS0_PHYS,
.end = PXA_CS0_PHYS + SZ_64M - 1,
.flags = IORESOURCE_MEM,
};
static struct platform_device vpac270_flash = {
.name = "physmap-flash",
.id = 0,
.resource = &vpac270_flash_resource,
.num_resources = 1,
.dev = {
.platform_data = vpac270_flash_data,
},
};
static void __init vpac270_nor_init(void)
{
platform_device_register(&vpac270_flash);
}
#else
static inline void vpac270_nor_init(void) {}
#endif
/******************************************************************************
* OneNAND Flash
******************************************************************************/
#if defined(CONFIG_MTD_ONENAND) || defined(CONFIG_MTD_ONENAND_MODULE)
static struct mtd_partition vpac270_onenand_partitions[] = {
{
.name = "Flash",
.offset = 0x00000000,
.size = MTDPART_SIZ_FULL,
}
};
static struct onenand_platform_data vpac270_onenand_info = {
.parts = vpac270_onenand_partitions,
.nr_parts = ARRAY_SIZE(vpac270_onenand_partitions),
};
static struct resource vpac270_onenand_resources[] = {
[0] = {
.start = PXA_CS0_PHYS,
.end = PXA_CS0_PHYS + SZ_1M,
.flags = IORESOURCE_MEM,
},
};
static struct platform_device vpac270_onenand = {
.name = "onenand-flash",
.id = -1,
.resource = vpac270_onenand_resources,
.num_resources = ARRAY_SIZE(vpac270_onenand_resources),
.dev = {
.platform_data = &vpac270_onenand_info,
},
};
static void __init vpac270_onenand_init(void)
{
platform_device_register(&vpac270_onenand);
}
#else
static void __init vpac270_onenand_init(void) {}
#endif
/******************************************************************************
* SD/MMC card controller
******************************************************************************/
#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
static struct pxamci_platform_data vpac270_mci_platform_data = {
.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
.gpio_power = -1,
.gpio_card_detect = GPIO53_VPAC270_SD_DETECT_N,
.gpio_card_ro = GPIO52_VPAC270_SD_READONLY,
.detect_delay_ms = 200,
};
static void __init vpac270_mmc_init(void)
{
pxa_set_mci_info(&vpac270_mci_platform_data);
}
#else
static inline void vpac270_mmc_init(void) {}
#endif
/******************************************************************************
* GPIO keys
******************************************************************************/
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
static struct gpio_keys_button vpac270_pxa_buttons[] = {
{KEY_POWER, GPIO1_VPAC270_USER_BTN, 0, "USER BTN"},
};
static struct gpio_keys_platform_data vpac270_pxa_keys_data = {
.buttons = vpac270_pxa_buttons,
.nbuttons = ARRAY_SIZE(vpac270_pxa_buttons),
};
static struct platform_device vpac270_pxa_keys = {
.name = "gpio-keys",
.id = -1,
.dev = {
.platform_data = &vpac270_pxa_keys_data,
},
};
static void __init vpac270_keys_init(void)
{
platform_device_register(&vpac270_pxa_keys);
}
#else
static inline void vpac270_keys_init(void) {}
#endif
/******************************************************************************
* LED
******************************************************************************/
#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
struct gpio_led vpac270_gpio_leds[] = {
{
.name = "vpac270:orange:user",
.default_trigger = "none",
.gpio = GPIO15_VPAC270_LED_ORANGE,
.active_low = 1,
}
};
static struct gpio_led_platform_data vpac270_gpio_led_info = {
.leds = vpac270_gpio_leds,
.num_leds = ARRAY_SIZE(vpac270_gpio_leds),
};
static struct platform_device vpac270_leds = {
.name = "leds-gpio",
.id = -1,
.dev = {
.platform_data = &vpac270_gpio_led_info,
}
};
static void __init vpac270_leds_init(void)
{
platform_device_register(&vpac270_leds);
}
#else
static inline void vpac270_leds_init(void) {}
#endif
/******************************************************************************
* USB Host
******************************************************************************/
#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
static int vpac270_ohci_init(struct device *dev)
{
UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
return 0;
}
static struct pxaohci_platform_data vpac270_ohci_info = {
.port_mode = PMM_PERPORT_MODE,
.flags = ENABLE_PORT1 | ENABLE_PORT2 |
POWER_CONTROL_LOW | POWER_SENSE_LOW,
.init = vpac270_ohci_init,
};
static void __init vpac270_uhc_init(void)
{
pxa_set_ohci_info(&vpac270_ohci_info);
}
#else
static inline void vpac270_uhc_init(void) {}
#endif
/******************************************************************************
* USB Gadget
******************************************************************************/
#if defined(CONFIG_USB_PXA27X)||defined(CONFIG_USB_PXA27X_MODULE)
static struct gpio_vbus_mach_info vpac270_gpio_vbus_info = {
.gpio_vbus = GPIO41_VPAC270_UDC_DETECT,
.gpio_pullup = -1,
};
static struct platform_device vpac270_gpio_vbus = {
.name = "gpio-vbus",
.id = -1,
.dev = {
.platform_data = &vpac270_gpio_vbus_info,
},
};
static void vpac270_udc_command(int cmd)
{
if (cmd == PXA2XX_UDC_CMD_CONNECT)
UP2OCR = UP2OCR_HXOE | UP2OCR_DPPUE;
else if (cmd == PXA2XX_UDC_CMD_DISCONNECT)
UP2OCR = UP2OCR_HXOE;
}
static struct pxa2xx_udc_mach_info vpac270_udc_info __initdata = {
.udc_command = vpac270_udc_command,
.gpio_pullup = -1,
};
static void __init vpac270_udc_init(void)
{
pxa_set_udc_info(&vpac270_udc_info);
platform_device_register(&vpac270_gpio_vbus);
}
#else
static inline void vpac270_udc_init(void) {}
#endif
/******************************************************************************
* Ethernet
******************************************************************************/
#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
static struct resource vpac270_dm9000_resources[] = {
[0] = {
.start = PXA_CS2_PHYS + 0x300,
.end = PXA_CS2_PHYS + 0x303,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = PXA_CS2_PHYS + 0x304,
.end = PXA_CS2_PHYS + 0x343,
.flags = IORESOURCE_MEM,
},
[2] = {
.start = PXA_GPIO_TO_IRQ(GPIO114_VPAC270_ETH_IRQ),
.end = PXA_GPIO_TO_IRQ(GPIO114_VPAC270_ETH_IRQ),
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
},
};
static struct dm9000_plat_data vpac270_dm9000_platdata = {
.flags = DM9000_PLATF_32BITONLY,
};
static struct platform_device vpac270_dm9000_device = {
.name = "dm9000",
.id = -1,
.num_resources = ARRAY_SIZE(vpac270_dm9000_resources),
.resource = vpac270_dm9000_resources,
.dev = {
.platform_data = &vpac270_dm9000_platdata,
}
};
static void __init vpac270_eth_init(void)
{
platform_device_register(&vpac270_dm9000_device);
}
#else
static inline void vpac270_eth_init(void) {}
#endif
/******************************************************************************
* Audio and Touchscreen
******************************************************************************/
#if defined(CONFIG_TOUCHSCREEN_UCB1400) || \
defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE)
static pxa2xx_audio_ops_t vpac270_ac97_pdata = {
.reset_gpio = 95,
};
static struct ucb1400_pdata vpac270_ucb1400_pdata = {
.irq = PXA_GPIO_TO_IRQ(GPIO113_VPAC270_TS_IRQ),
};
static struct platform_device vpac270_ucb1400_device = {
.name = "ucb1400_core",
.id = -1,
.dev = {
.platform_data = &vpac270_ucb1400_pdata,
},
};
static void __init vpac270_ts_init(void)
{
pxa_set_ac97_info(&vpac270_ac97_pdata);
platform_device_register(&vpac270_ucb1400_device);
}
#else
static inline void vpac270_ts_init(void) {}
#endif
/******************************************************************************
* RTC
******************************************************************************/
#if defined(CONFIG_RTC_DRV_DS1307) || defined(CONFIG_RTC_DRV_DS1307_MODULE)
static struct i2c_board_info __initdata vpac270_i2c_devs[] = {
{
I2C_BOARD_INFO("ds1339", 0x68),
},
};
static void __init vpac270_rtc_init(void)
{
i2c_register_board_info(0, ARRAY_AND_SIZE(vpac270_i2c_devs));
}
#else
static inline void vpac270_rtc_init(void) {}
#endif
/******************************************************************************
* Framebuffer
******************************************************************************/
#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
static struct pxafb_mode_info vpac270_lcd_modes[] = {
{
.pixclock = 57692,
.xres = 640,
.yres = 480,
.bpp = 32,
.depth = 18,
.left_margin = 144,
.right_margin = 32,
.upper_margin = 13,
.lower_margin = 30,
.hsync_len = 32,
.vsync_len = 2,
.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
}, { /* CRT 640x480 */
.pixclock = 35000,
.xres = 640,
.yres = 480,
.bpp = 16,
.depth = 16,
.left_margin = 96,
.right_margin = 48,
.upper_margin = 33,
.lower_margin = 10,
.hsync_len = 48,
.vsync_len = 1,
.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
}, { /* CRT 800x600 H=30kHz V=48HZ */
.pixclock = 25000,
.xres = 800,
.yres = 600,
.bpp = 16,
.depth = 16,
.left_margin = 50,
.right_margin = 1,
.upper_margin = 21,
.lower_margin = 12,
.hsync_len = 8,
.vsync_len = 1,
.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
}, { /* CRT 1024x768 H=40kHz V=50Hz */
.pixclock = 15000,
.xres = 1024,
.yres = 768,
.bpp = 16,
.depth = 16,
.left_margin = 220,
.right_margin = 8,
.upper_margin = 33,
.lower_margin = 2,
.hsync_len = 48,
.vsync_len = 1,
.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
}
};
static struct pxafb_mach_info vpac270_lcd_screen = {
.modes = vpac270_lcd_modes,
.num_modes = ARRAY_SIZE(vpac270_lcd_modes),
.lcd_conn = LCD_COLOR_TFT_18BPP,
};
static void vpac270_lcd_power(int on, struct fb_var_screeninfo *info)
{
gpio_set_value(GPIO81_VPAC270_BKL_ON, on);
}
static void __init vpac270_lcd_init(void)
{
int ret;
ret = gpio_request(GPIO81_VPAC270_BKL_ON, "BKL-ON");
if (ret) {
pr_err("Requesting BKL-ON GPIO failed!\n");
goto err;
}
ret = gpio_direction_output(GPIO81_VPAC270_BKL_ON, 1);
if (ret) {
pr_err("Setting BKL-ON GPIO direction failed!\n");
goto err2;
}
vpac270_lcd_screen.pxafb_lcd_power = vpac270_lcd_power;
pxa_set_fb_info(NULL, &vpac270_lcd_screen);
return;
err2:
gpio_free(GPIO81_VPAC270_BKL_ON);
err:
return;
}
#else
static inline void vpac270_lcd_init(void) {}
#endif
/******************************************************************************
* PATA IDE
******************************************************************************/
#if defined(CONFIG_PATA_PXA) || defined(CONFIG_PATA_PXA_MODULE)
static struct pata_pxa_pdata vpac270_pata_pdata = {
.reg_shift = 1,
.dma_dreq = 1,
.irq_flags = IRQF_TRIGGER_RISING,
};
static struct resource vpac270_ide_resources[] = {
[0] = { /* I/O Base address */
.start = PXA_CS3_PHYS + 0x120,
.end = PXA_CS3_PHYS + 0x13f,
.flags = IORESOURCE_MEM
},
[1] = { /* CTL Base address */
.start = PXA_CS3_PHYS + 0x15c,
.end = PXA_CS3_PHYS + 0x15f,
.flags = IORESOURCE_MEM
},
[2] = { /* DMA Base address */
.start = PXA_CS3_PHYS + 0x20,
.end = PXA_CS3_PHYS + 0x2f,
.flags = IORESOURCE_DMA
},
[3] = { /* IDE IRQ pin */
.start = PXA_GPIO_TO_IRQ(GPIO36_VPAC270_IDE_IRQ),
.end = PXA_GPIO_TO_IRQ(GPIO36_VPAC270_IDE_IRQ),
.flags = IORESOURCE_IRQ
}
};
static struct platform_device vpac270_ide_device = {
.name = "pata_pxa",
.num_resources = ARRAY_SIZE(vpac270_ide_resources),
.resource = vpac270_ide_resources,
.dev = {
.platform_data = &vpac270_pata_pdata,
.coherent_dma_mask = 0xffffffff,
}
};
static void __init vpac270_ide_init(void)
{
platform_device_register(&vpac270_ide_device);
}
#else
static inline void vpac270_ide_init(void) {}
#endif
/******************************************************************************
* Core power regulator
******************************************************************************/
#if defined(CONFIG_REGULATOR_MAX1586) || \
defined(CONFIG_REGULATOR_MAX1586_MODULE)
static struct regulator_consumer_supply vpac270_max1587a_consumers[] = {
REGULATOR_SUPPLY("vcc_core", NULL),
};
static struct regulator_init_data vpac270_max1587a_v3_info = {
.constraints = {
.name = "vcc_core range",
.min_uV = 900000,
.max_uV = 1705000,
.always_on = 1,
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
},
.consumer_supplies = vpac270_max1587a_consumers,
.num_consumer_supplies = ARRAY_SIZE(vpac270_max1587a_consumers),
};
static struct max1586_subdev_data vpac270_max1587a_subdevs[] = {
{
.name = "vcc_core",
.id = MAX1586_V3,
.platform_data = &vpac270_max1587a_v3_info,
}
};
static struct max1586_platform_data vpac270_max1587a_info = {
.subdevs = vpac270_max1587a_subdevs,
.num_subdevs = ARRAY_SIZE(vpac270_max1587a_subdevs),
.v3_gain = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */
};
static struct i2c_board_info __initdata vpac270_pi2c_board_info[] = {
{
I2C_BOARD_INFO("max1586", 0x14),
.platform_data = &vpac270_max1587a_info,
},
};
static void __init vpac270_pmic_init(void)
{
i2c_register_board_info(1, ARRAY_AND_SIZE(vpac270_pi2c_board_info));
}
#else
static inline void vpac270_pmic_init(void) {}
#endif
/******************************************************************************
* Machine init
******************************************************************************/
static void __init vpac270_init(void)
{
pxa2xx_mfp_config(ARRAY_AND_SIZE(vpac270_pin_config));
pxa_set_ffuart_info(NULL);
pxa_set_btuart_info(NULL);
pxa_set_stuart_info(NULL);
pxa_set_i2c_info(NULL);
pxa27x_set_i2c_power_info(NULL);
vpac270_pmic_init();
vpac270_lcd_init();
vpac270_mmc_init();
vpac270_nor_init();
vpac270_onenand_init();
vpac270_leds_init();
vpac270_keys_init();
vpac270_uhc_init();
vpac270_udc_init();
vpac270_eth_init();
vpac270_ts_init();
vpac270_rtc_init();
vpac270_ide_init();
}
MACHINE_START(VPAC270, "Voipac PXA270")
.atag_offset = 0x100,
.map_io = pxa27x_map_io,
.nr_irqs = PXA_NR_IRQS,
.init_irq = pxa27x_init_irq,
.handle_irq = pxa27x_handle_irq,
.init_time = pxa_timer_init,
.init_machine = vpac270_init,
.restart = pxa_restart,
MACHINE_END