1029 lines
24 KiB
C
1029 lines
24 KiB
C
/*
|
|
* linux/arch/arm/mach-pxa/stargate2.c
|
|
*
|
|
* Author: Ed C. Epp
|
|
* Created: Nov 05, 2002
|
|
* Copyright: Intel Corp.
|
|
*
|
|
* Modified 2009: Jonathan Cameron <jic23@cam.ac.uk>
|
|
*
|
|
* 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/init.h>
|
|
#include <linux/device.h>
|
|
#include <linux/interrupt.h>
|
|
#include <linux/sched.h>
|
|
#include <linux/bitops.h>
|
|
#include <linux/fb.h>
|
|
#include <linux/delay.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/regulator/machine.h>
|
|
#include <linux/mtd/mtd.h>
|
|
#include <linux/mtd/plat-ram.h>
|
|
#include <linux/mtd/partitions.h>
|
|
|
|
#include <linux/i2c/pxa-i2c.h>
|
|
#include <linux/i2c/pcf857x.h>
|
|
#include <linux/platform_data/at24.h>
|
|
#include <linux/smc91x.h>
|
|
#include <linux/gpio.h>
|
|
#include <linux/leds.h>
|
|
|
|
#include <asm/types.h>
|
|
#include <asm/setup.h>
|
|
#include <asm/memory.h>
|
|
#include <asm/mach-types.h>
|
|
#include <asm/irq.h>
|
|
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/map.h>
|
|
#include <asm/mach/irq.h>
|
|
#include <asm/mach/flash.h>
|
|
|
|
#include "pxa27x.h"
|
|
#include <linux/platform_data/mmc-pxamci.h>
|
|
#include "udc.h"
|
|
#include "pxa27x-udc.h"
|
|
#include <mach/smemc.h>
|
|
|
|
#include <linux/spi/spi.h>
|
|
#include <linux/spi/pxa2xx_spi.h>
|
|
#include <linux/mfd/da903x.h>
|
|
#include <linux/platform_data/sht15.h>
|
|
|
|
#include "devices.h"
|
|
#include "generic.h"
|
|
|
|
#define STARGATE_NR_IRQS (IRQ_BOARD_START + 8)
|
|
|
|
/* Bluetooth */
|
|
#define SG2_BT_RESET 81
|
|
|
|
/* SD */
|
|
#define SG2_GPIO_nSD_DETECT 90
|
|
#define SG2_SD_POWER_ENABLE 89
|
|
|
|
static unsigned long sg2_im2_unified_pin_config[] __initdata = {
|
|
/* Device Identification for wakeup*/
|
|
GPIO102_GPIO,
|
|
/* DA9030 */
|
|
GPIO1_GPIO,
|
|
|
|
/* MMC */
|
|
GPIO32_MMC_CLK,
|
|
GPIO112_MMC_CMD,
|
|
GPIO92_MMC_DAT_0,
|
|
GPIO109_MMC_DAT_1,
|
|
GPIO110_MMC_DAT_2,
|
|
GPIO111_MMC_DAT_3,
|
|
|
|
/* 802.15.4 radio - driver out of mainline */
|
|
GPIO22_GPIO, /* CC_RSTN */
|
|
GPIO114_GPIO, /* CC_FIFO */
|
|
GPIO116_GPIO, /* CC_CCA */
|
|
GPIO0_GPIO, /* CC_FIFOP */
|
|
GPIO16_GPIO, /* CCSFD */
|
|
GPIO115_GPIO, /* Power enable */
|
|
|
|
/* I2C */
|
|
GPIO117_I2C_SCL,
|
|
GPIO118_I2C_SDA,
|
|
|
|
/* SSP 3 - 802.15.4 radio */
|
|
GPIO39_GPIO, /* Chip Select */
|
|
GPIO34_SSP3_SCLK,
|
|
GPIO35_SSP3_TXD,
|
|
GPIO41_SSP3_RXD,
|
|
|
|
/* SSP 2 to daughter boards */
|
|
GPIO11_SSP2_RXD,
|
|
GPIO38_SSP2_TXD,
|
|
GPIO36_SSP2_SCLK,
|
|
GPIO37_GPIO, /* chip select */
|
|
|
|
/* SSP 1 - to daughter boards */
|
|
GPIO24_GPIO, /* Chip Select */
|
|
GPIO23_SSP1_SCLK,
|
|
GPIO25_SSP1_TXD,
|
|
GPIO26_SSP1_RXD,
|
|
|
|
/* BTUART Basic Connector*/
|
|
GPIO42_BTUART_RXD,
|
|
GPIO43_BTUART_TXD,
|
|
GPIO44_BTUART_CTS,
|
|
GPIO45_BTUART_RTS,
|
|
|
|
/* STUART - IM2 via debug board not sure on SG2*/
|
|
GPIO46_STUART_RXD,
|
|
GPIO47_STUART_TXD,
|
|
|
|
/* Basic sensor board */
|
|
GPIO96_GPIO, /* accelerometer interrupt */
|
|
GPIO99_GPIO, /* ADC interrupt */
|
|
|
|
/* SHT15 */
|
|
GPIO100_GPIO,
|
|
GPIO98_GPIO,
|
|
|
|
/* Basic sensor board */
|
|
GPIO96_GPIO, /* accelerometer interrupt */
|
|
GPIO99_GPIO, /* ADC interrupt */
|
|
|
|
/* Connector pins specified as gpios */
|
|
GPIO94_GPIO, /* large basic connector pin 14 */
|
|
GPIO10_GPIO, /* large basic connector pin 23 */
|
|
};
|
|
|
|
static struct sht15_platform_data platform_data_sht15 = {
|
|
.gpio_data = 100,
|
|
.gpio_sck = 98,
|
|
};
|
|
|
|
static struct platform_device sht15 = {
|
|
.name = "sht15",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &platform_data_sht15,
|
|
},
|
|
};
|
|
|
|
static struct regulator_consumer_supply stargate2_sensor_3_con[] = {
|
|
REGULATOR_SUPPLY("vcc", "sht15"),
|
|
};
|
|
|
|
enum stargate2_ldos{
|
|
vcc_vref,
|
|
vcc_cc2420,
|
|
/* a mote connector? */
|
|
vcc_mica,
|
|
/* the CSR bluecore chip */
|
|
vcc_bt,
|
|
/* The two voltages available to sensor boards */
|
|
vcc_sensor_1_8,
|
|
vcc_sensor_3,
|
|
/* directly connected to the pxa27x */
|
|
vcc_sram_ext,
|
|
vcc_pxa_pll,
|
|
vcc_pxa_usim, /* Reference voltage for certain gpios */
|
|
vcc_pxa_mem,
|
|
vcc_pxa_flash,
|
|
vcc_pxa_core, /*Dc-Dc buck not yet supported */
|
|
vcc_lcd,
|
|
vcc_bb,
|
|
vcc_bbio, /*not sure!*/
|
|
vcc_io, /* cc2420 802.15.4 radio and pxa vcc_io ?*/
|
|
};
|
|
|
|
/* The values of the various regulator constraints are obviously dependent
|
|
* on exactly what is wired to each ldo. Unfortunately this information is
|
|
* not generally available. More information has been requested from Xbow.
|
|
*/
|
|
static struct regulator_init_data stargate2_ldo_init_data[] = {
|
|
[vcc_bbio] = {
|
|
.constraints = { /* board default 1.8V */
|
|
.name = "vcc_bbio",
|
|
.min_uV = 1800000,
|
|
.max_uV = 1800000,
|
|
},
|
|
},
|
|
[vcc_bb] = {
|
|
.constraints = { /* board default 2.8V */
|
|
.name = "vcc_bb",
|
|
.min_uV = 2700000,
|
|
.max_uV = 3000000,
|
|
},
|
|
},
|
|
[vcc_pxa_flash] = {
|
|
.constraints = {/* default is 1.8V */
|
|
.name = "vcc_pxa_flash",
|
|
.min_uV = 1800000,
|
|
.max_uV = 1800000,
|
|
},
|
|
},
|
|
[vcc_cc2420] = { /* also vcc_io */
|
|
.constraints = {
|
|
/* board default is 2.8V */
|
|
.name = "vcc_cc2420",
|
|
.min_uV = 2700000,
|
|
.max_uV = 3300000,
|
|
},
|
|
},
|
|
[vcc_vref] = { /* Reference for what? */
|
|
.constraints = { /* default 1.8V */
|
|
.name = "vcc_vref",
|
|
.min_uV = 1800000,
|
|
.max_uV = 1800000,
|
|
},
|
|
},
|
|
[vcc_sram_ext] = {
|
|
.constraints = { /* default 2.8V */
|
|
.name = "vcc_sram_ext",
|
|
.min_uV = 2800000,
|
|
.max_uV = 2800000,
|
|
},
|
|
},
|
|
[vcc_mica] = {
|
|
.constraints = { /* default 2.8V */
|
|
.name = "vcc_mica",
|
|
.min_uV = 2800000,
|
|
.max_uV = 2800000,
|
|
},
|
|
},
|
|
[vcc_bt] = {
|
|
.constraints = { /* default 2.8V */
|
|
.name = "vcc_bt",
|
|
.min_uV = 2800000,
|
|
.max_uV = 2800000,
|
|
},
|
|
},
|
|
[vcc_lcd] = {
|
|
.constraints = { /* default 2.8V */
|
|
.name = "vcc_lcd",
|
|
.min_uV = 2700000,
|
|
.max_uV = 3300000,
|
|
},
|
|
},
|
|
[vcc_io] = { /* Same or higher than everything
|
|
* bar vccbat and vccusb */
|
|
.constraints = { /* default 2.8V */
|
|
.name = "vcc_io",
|
|
.min_uV = 2692000,
|
|
.max_uV = 3300000,
|
|
},
|
|
},
|
|
[vcc_sensor_1_8] = {
|
|
.constraints = { /* default 1.8V */
|
|
.name = "vcc_sensor_1_8",
|
|
.min_uV = 1800000,
|
|
.max_uV = 1800000,
|
|
},
|
|
},
|
|
[vcc_sensor_3] = { /* curiously default 2.8V */
|
|
.constraints = {
|
|
.name = "vcc_sensor_3",
|
|
.min_uV = 2800000,
|
|
.max_uV = 3000000,
|
|
},
|
|
.num_consumer_supplies = ARRAY_SIZE(stargate2_sensor_3_con),
|
|
.consumer_supplies = stargate2_sensor_3_con,
|
|
},
|
|
[vcc_pxa_pll] = { /* 1.17V - 1.43V, default 1.3V*/
|
|
.constraints = {
|
|
.name = "vcc_pxa_pll",
|
|
.min_uV = 1170000,
|
|
.max_uV = 1430000,
|
|
},
|
|
},
|
|
[vcc_pxa_usim] = {
|
|
.constraints = { /* default 1.8V */
|
|
.name = "vcc_pxa_usim",
|
|
.min_uV = 1710000,
|
|
.max_uV = 2160000,
|
|
},
|
|
},
|
|
[vcc_pxa_mem] = {
|
|
.constraints = { /* default 1.8V */
|
|
.name = "vcc_pxa_mem",
|
|
.min_uV = 1800000,
|
|
.max_uV = 1800000,
|
|
},
|
|
},
|
|
};
|
|
|
|
static struct mtd_partition stargate2flash_partitions[] = {
|
|
{
|
|
.name = "Bootloader",
|
|
.size = 0x00040000,
|
|
.offset = 0,
|
|
.mask_flags = 0,
|
|
}, {
|
|
.name = "Kernel",
|
|
.size = 0x00200000,
|
|
.offset = 0x00040000,
|
|
.mask_flags = 0
|
|
}, {
|
|
.name = "Filesystem",
|
|
.size = 0x01DC0000,
|
|
.offset = 0x00240000,
|
|
.mask_flags = 0
|
|
},
|
|
};
|
|
|
|
static struct resource flash_resources = {
|
|
.start = PXA_CS0_PHYS,
|
|
.end = PXA_CS0_PHYS + SZ_32M - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
};
|
|
|
|
static struct flash_platform_data stargate2_flash_data = {
|
|
.map_name = "cfi_probe",
|
|
.parts = stargate2flash_partitions,
|
|
.nr_parts = ARRAY_SIZE(stargate2flash_partitions),
|
|
.name = "PXA27xOnChipROM",
|
|
.width = 2,
|
|
};
|
|
|
|
static struct platform_device stargate2_flash_device = {
|
|
.name = "pxa2xx-flash",
|
|
.id = 0,
|
|
.dev = {
|
|
.platform_data = &stargate2_flash_data,
|
|
},
|
|
.resource = &flash_resources,
|
|
.num_resources = 1,
|
|
};
|
|
|
|
static struct pxa2xx_spi_master pxa_ssp_master_0_info = {
|
|
.num_chipselect = 1,
|
|
};
|
|
|
|
static struct pxa2xx_spi_master pxa_ssp_master_1_info = {
|
|
.num_chipselect = 1,
|
|
};
|
|
|
|
static struct pxa2xx_spi_master pxa_ssp_master_2_info = {
|
|
.num_chipselect = 1,
|
|
};
|
|
|
|
/* An upcoming kernel change will scrap SFRM usage so these
|
|
* drivers have been moved to use gpio's via cs_control */
|
|
static struct pxa2xx_spi_chip staccel_chip_info = {
|
|
.tx_threshold = 8,
|
|
.rx_threshold = 8,
|
|
.dma_burst_size = 8,
|
|
.timeout = 235,
|
|
.gpio_cs = 24,
|
|
};
|
|
|
|
static struct pxa2xx_spi_chip cc2420_info = {
|
|
.tx_threshold = 8,
|
|
.rx_threshold = 8,
|
|
.dma_burst_size = 8,
|
|
.timeout = 235,
|
|
.gpio_cs = 39,
|
|
};
|
|
|
|
static struct spi_board_info spi_board_info[] __initdata = {
|
|
{
|
|
.modalias = "lis3l02dq",
|
|
.max_speed_hz = 8000000,/* 8MHz max spi frequency at 3V */
|
|
.bus_num = 1,
|
|
.chip_select = 0,
|
|
.controller_data = &staccel_chip_info,
|
|
.irq = PXA_GPIO_TO_IRQ(96),
|
|
}, {
|
|
.modalias = "cc2420",
|
|
.max_speed_hz = 6500000,
|
|
.bus_num = 3,
|
|
.chip_select = 0,
|
|
.controller_data = &cc2420_info,
|
|
},
|
|
};
|
|
|
|
static void sg2_udc_command(int cmd)
|
|
{
|
|
switch (cmd) {
|
|
case PXA2XX_UDC_CMD_CONNECT:
|
|
UP2OCR |= UP2OCR_HXOE | UP2OCR_DPPUE | UP2OCR_DPPUBE;
|
|
break;
|
|
case PXA2XX_UDC_CMD_DISCONNECT:
|
|
UP2OCR &= ~(UP2OCR_HXOE | UP2OCR_DPPUE | UP2OCR_DPPUBE);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static struct i2c_pxa_platform_data i2c_pwr_pdata = {
|
|
.fast_mode = 1,
|
|
};
|
|
|
|
static struct i2c_pxa_platform_data i2c_pdata = {
|
|
.fast_mode = 1,
|
|
};
|
|
|
|
static void __init imote2_stargate2_init(void)
|
|
{
|
|
|
|
pxa2xx_mfp_config(ARRAY_AND_SIZE(sg2_im2_unified_pin_config));
|
|
|
|
pxa_set_ffuart_info(NULL);
|
|
pxa_set_btuart_info(NULL);
|
|
pxa_set_stuart_info(NULL);
|
|
|
|
pxa2xx_set_spi_info(1, &pxa_ssp_master_0_info);
|
|
pxa2xx_set_spi_info(2, &pxa_ssp_master_1_info);
|
|
pxa2xx_set_spi_info(3, &pxa_ssp_master_2_info);
|
|
spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
|
|
|
|
|
|
pxa27x_set_i2c_power_info(&i2c_pwr_pdata);
|
|
pxa_set_i2c_info(&i2c_pdata);
|
|
}
|
|
|
|
#ifdef CONFIG_MACH_INTELMOTE2
|
|
/* As the the imote2 doesn't currently have a conventional SD slot
|
|
* there is no option to hotplug cards, making all this rather simple
|
|
*/
|
|
static int imote2_mci_get_ro(struct device *dev)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
/* Rather simple case as hotplugging not possible */
|
|
static struct pxamci_platform_data imote2_mci_platform_data = {
|
|
.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, /* default anyway */
|
|
.get_ro = imote2_mci_get_ro,
|
|
.gpio_card_detect = -1,
|
|
.gpio_card_ro = -1,
|
|
.gpio_power = -1,
|
|
};
|
|
|
|
static struct gpio_led imote2_led_pins[] = {
|
|
{
|
|
.name = "imote2:red",
|
|
.gpio = 103,
|
|
.active_low = 1,
|
|
}, {
|
|
.name = "imote2:green",
|
|
.gpio = 104,
|
|
.active_low = 1,
|
|
}, {
|
|
.name = "imote2:blue",
|
|
.gpio = 105,
|
|
.active_low = 1,
|
|
},
|
|
};
|
|
|
|
static struct gpio_led_platform_data imote2_led_data = {
|
|
.num_leds = ARRAY_SIZE(imote2_led_pins),
|
|
.leds = imote2_led_pins,
|
|
};
|
|
|
|
static struct platform_device imote2_leds = {
|
|
.name = "leds-gpio",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &imote2_led_data,
|
|
},
|
|
};
|
|
|
|
static struct da903x_subdev_info imote2_da9030_subdevs[] = {
|
|
{
|
|
.name = "da903x-regulator",
|
|
.id = DA9030_ID_LDO2,
|
|
.platform_data = &stargate2_ldo_init_data[vcc_bbio],
|
|
}, {
|
|
.name = "da903x-regulator",
|
|
.id = DA9030_ID_LDO3,
|
|
.platform_data = &stargate2_ldo_init_data[vcc_bb],
|
|
}, {
|
|
.name = "da903x-regulator",
|
|
.id = DA9030_ID_LDO4,
|
|
.platform_data = &stargate2_ldo_init_data[vcc_pxa_flash],
|
|
}, {
|
|
.name = "da903x-regulator",
|
|
.id = DA9030_ID_LDO5,
|
|
.platform_data = &stargate2_ldo_init_data[vcc_cc2420],
|
|
}, {
|
|
.name = "da903x-regulator",
|
|
.id = DA9030_ID_LDO6,
|
|
.platform_data = &stargate2_ldo_init_data[vcc_vref],
|
|
}, {
|
|
.name = "da903x-regulator",
|
|
.id = DA9030_ID_LDO7,
|
|
.platform_data = &stargate2_ldo_init_data[vcc_sram_ext],
|
|
}, {
|
|
.name = "da903x-regulator",
|
|
.id = DA9030_ID_LDO8,
|
|
.platform_data = &stargate2_ldo_init_data[vcc_mica],
|
|
}, {
|
|
.name = "da903x-regulator",
|
|
.id = DA9030_ID_LDO9,
|
|
.platform_data = &stargate2_ldo_init_data[vcc_bt],
|
|
}, {
|
|
.name = "da903x-regulator",
|
|
.id = DA9030_ID_LDO10,
|
|
.platform_data = &stargate2_ldo_init_data[vcc_sensor_1_8],
|
|
}, {
|
|
.name = "da903x-regulator",
|
|
.id = DA9030_ID_LDO11,
|
|
.platform_data = &stargate2_ldo_init_data[vcc_sensor_3],
|
|
}, {
|
|
.name = "da903x-regulator",
|
|
.id = DA9030_ID_LDO12,
|
|
.platform_data = &stargate2_ldo_init_data[vcc_lcd],
|
|
}, {
|
|
.name = "da903x-regulator",
|
|
.id = DA9030_ID_LDO15,
|
|
.platform_data = &stargate2_ldo_init_data[vcc_pxa_pll],
|
|
}, {
|
|
.name = "da903x-regulator",
|
|
.id = DA9030_ID_LDO17,
|
|
.platform_data = &stargate2_ldo_init_data[vcc_pxa_usim],
|
|
}, {
|
|
.name = "da903x-regulator", /*pxa vcc i/o and cc2420 vcc i/o */
|
|
.id = DA9030_ID_LDO18,
|
|
.platform_data = &stargate2_ldo_init_data[vcc_io],
|
|
}, {
|
|
.name = "da903x-regulator",
|
|
.id = DA9030_ID_LDO19,
|
|
.platform_data = &stargate2_ldo_init_data[vcc_pxa_mem],
|
|
},
|
|
};
|
|
|
|
static struct da903x_platform_data imote2_da9030_pdata = {
|
|
.num_subdevs = ARRAY_SIZE(imote2_da9030_subdevs),
|
|
.subdevs = imote2_da9030_subdevs,
|
|
};
|
|
|
|
static struct i2c_board_info __initdata imote2_pwr_i2c_board_info[] = {
|
|
{
|
|
.type = "da9030",
|
|
.addr = 0x49,
|
|
.platform_data = &imote2_da9030_pdata,
|
|
.irq = PXA_GPIO_TO_IRQ(1),
|
|
},
|
|
};
|
|
|
|
static struct i2c_board_info __initdata imote2_i2c_board_info[] = {
|
|
{ /* UCAM sensor board */
|
|
.type = "max1239",
|
|
.addr = 0x35,
|
|
}, { /* ITS400 Sensor board only */
|
|
.type = "max1363",
|
|
.addr = 0x34,
|
|
/* Through a nand gate - Also beware, on V2 sensor board the
|
|
* pull up resistors are missing.
|
|
*/
|
|
.irq = PXA_GPIO_TO_IRQ(99),
|
|
}, { /* ITS400 Sensor board only */
|
|
.type = "tsl2561",
|
|
.addr = 0x49,
|
|
/* Through a nand gate - Also beware, on V2 sensor board the
|
|
* pull up resistors are missing.
|
|
*/
|
|
.irq = PXA_GPIO_TO_IRQ(99),
|
|
}, { /* ITS400 Sensor board only */
|
|
.type = "tmp175",
|
|
.addr = 0x4A,
|
|
.irq = PXA_GPIO_TO_IRQ(96),
|
|
}, { /* IMB400 Multimedia board */
|
|
.type = "wm8940",
|
|
.addr = 0x1A,
|
|
},
|
|
};
|
|
|
|
static unsigned long imote2_pin_config[] __initdata = {
|
|
|
|
/* Button */
|
|
GPIO91_GPIO,
|
|
|
|
/* LEDS */
|
|
GPIO103_GPIO, /* red led */
|
|
GPIO104_GPIO, /* green led */
|
|
GPIO105_GPIO, /* blue led */
|
|
};
|
|
|
|
static struct pxa2xx_udc_mach_info imote2_udc_info __initdata = {
|
|
.udc_command = sg2_udc_command,
|
|
};
|
|
|
|
static struct platform_device imote2_audio_device = {
|
|
.name = "imote2-audio",
|
|
.id = -1,
|
|
};
|
|
|
|
static struct platform_device *imote2_devices[] = {
|
|
&stargate2_flash_device,
|
|
&imote2_leds,
|
|
&sht15,
|
|
&imote2_audio_device,
|
|
};
|
|
|
|
static void __init imote2_init(void)
|
|
{
|
|
pxa2xx_mfp_config(ARRAY_AND_SIZE(imote2_pin_config));
|
|
|
|
imote2_stargate2_init();
|
|
|
|
platform_add_devices(imote2_devices, ARRAY_SIZE(imote2_devices));
|
|
|
|
i2c_register_board_info(0, imote2_i2c_board_info,
|
|
ARRAY_SIZE(imote2_i2c_board_info));
|
|
i2c_register_board_info(1, imote2_pwr_i2c_board_info,
|
|
ARRAY_SIZE(imote2_pwr_i2c_board_info));
|
|
|
|
pxa_set_mci_info(&imote2_mci_platform_data);
|
|
pxa_set_udc_info(&imote2_udc_info);
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_MACH_STARGATE2
|
|
|
|
static unsigned long stargate2_pin_config[] __initdata = {
|
|
|
|
GPIO15_nCS_1, /* SRAM */
|
|
/* SMC91x */
|
|
GPIO80_nCS_4,
|
|
GPIO40_GPIO, /*cable detect?*/
|
|
|
|
/* Button */
|
|
GPIO91_GPIO | WAKEUP_ON_LEVEL_HIGH,
|
|
|
|
/* Compact Flash */
|
|
GPIO79_PSKTSEL,
|
|
GPIO48_nPOE,
|
|
GPIO49_nPWE,
|
|
GPIO50_nPIOR,
|
|
GPIO51_nPIOW,
|
|
GPIO85_nPCE_1,
|
|
GPIO54_nPCE_2,
|
|
GPIO55_nPREG,
|
|
GPIO56_nPWAIT,
|
|
GPIO57_nIOIS16,
|
|
GPIO120_GPIO, /* Buff ctrl */
|
|
GPIO108_GPIO, /* Power ctrl */
|
|
GPIO82_GPIO, /* Reset */
|
|
GPIO53_GPIO, /* SG2_S0_GPIO_DETECT */
|
|
|
|
/* MMC not shared with imote2 */
|
|
GPIO90_GPIO, /* nSD detect */
|
|
GPIO89_GPIO, /* SD_POWER_ENABLE */
|
|
|
|
/* Bluetooth */
|
|
GPIO81_GPIO, /* reset */
|
|
};
|
|
|
|
static struct resource smc91x_resources[] = {
|
|
[0] = {
|
|
.name = "smc91x-regs",
|
|
.start = (PXA_CS4_PHYS + 0x300),
|
|
.end = (PXA_CS4_PHYS + 0xfffff),
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
[1] = {
|
|
.start = PXA_GPIO_TO_IRQ(40),
|
|
.end = PXA_GPIO_TO_IRQ(40),
|
|
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
|
|
}
|
|
};
|
|
|
|
static struct smc91x_platdata stargate2_smc91x_info = {
|
|
.flags = SMC91X_USE_8BIT | SMC91X_USE_16BIT | SMC91X_USE_32BIT
|
|
| SMC91X_NOWAIT | SMC91X_USE_DMA,
|
|
};
|
|
|
|
static struct platform_device smc91x_device = {
|
|
.name = "smc91x",
|
|
.id = -1,
|
|
.num_resources = ARRAY_SIZE(smc91x_resources),
|
|
.resource = smc91x_resources,
|
|
.dev = {
|
|
.platform_data = &stargate2_smc91x_info,
|
|
},
|
|
};
|
|
|
|
|
|
/*
|
|
* The card detect interrupt isn't debounced so we delay it by 250ms
|
|
* to give the card a chance to fully insert / eject.
|
|
*/
|
|
static int stargate2_mci_init(struct device *dev,
|
|
irq_handler_t stargate2_detect_int,
|
|
void *data)
|
|
{
|
|
int err;
|
|
|
|
err = gpio_request(SG2_SD_POWER_ENABLE, "SG2_sd_power_enable");
|
|
if (err) {
|
|
printk(KERN_ERR "Can't get the gpio for SD power control");
|
|
goto return_err;
|
|
}
|
|
gpio_direction_output(SG2_SD_POWER_ENABLE, 0);
|
|
|
|
err = gpio_request(SG2_GPIO_nSD_DETECT, "SG2_sd_detect");
|
|
if (err) {
|
|
printk(KERN_ERR "Can't get the sd detect gpio");
|
|
goto free_power_en;
|
|
}
|
|
gpio_direction_input(SG2_GPIO_nSD_DETECT);
|
|
|
|
err = request_irq(PXA_GPIO_TO_IRQ(SG2_GPIO_nSD_DETECT),
|
|
stargate2_detect_int,
|
|
IRQ_TYPE_EDGE_BOTH,
|
|
"MMC card detect",
|
|
data);
|
|
if (err) {
|
|
printk(KERN_ERR "can't request MMC card detect IRQ\n");
|
|
goto free_nsd_detect;
|
|
}
|
|
return 0;
|
|
|
|
free_nsd_detect:
|
|
gpio_free(SG2_GPIO_nSD_DETECT);
|
|
free_power_en:
|
|
gpio_free(SG2_SD_POWER_ENABLE);
|
|
return_err:
|
|
return err;
|
|
}
|
|
|
|
/**
|
|
* stargate2_mci_setpower() - set state of mmc power supply
|
|
*
|
|
* Very simple control. Either it is on or off and is controlled by
|
|
* a gpio pin */
|
|
static int stargate2_mci_setpower(struct device *dev, unsigned int vdd)
|
|
{
|
|
gpio_set_value(SG2_SD_POWER_ENABLE, !!vdd);
|
|
return 0;
|
|
}
|
|
|
|
static void stargate2_mci_exit(struct device *dev, void *data)
|
|
{
|
|
free_irq(PXA_GPIO_TO_IRQ(SG2_GPIO_nSD_DETECT), data);
|
|
gpio_free(SG2_SD_POWER_ENABLE);
|
|
gpio_free(SG2_GPIO_nSD_DETECT);
|
|
}
|
|
|
|
static struct pxamci_platform_data stargate2_mci_platform_data = {
|
|
.detect_delay_ms = 250,
|
|
.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
|
|
.init = stargate2_mci_init,
|
|
.setpower = stargate2_mci_setpower,
|
|
.exit = stargate2_mci_exit,
|
|
};
|
|
|
|
|
|
/*
|
|
* SRAM - The Stargate 2 has 32MB of SRAM.
|
|
*
|
|
* Here it is made available as an MTD. This will then
|
|
* typically have a cifs filesystem created on it to provide
|
|
* fast temporary storage.
|
|
*/
|
|
static struct resource sram_resources = {
|
|
.start = PXA_CS1_PHYS,
|
|
.end = PXA_CS1_PHYS + SZ_32M-1,
|
|
.flags = IORESOURCE_MEM,
|
|
};
|
|
|
|
static struct platdata_mtd_ram stargate2_sram_pdata = {
|
|
.mapname = "Stargate2 SRAM",
|
|
.bankwidth = 2,
|
|
};
|
|
|
|
static struct platform_device stargate2_sram = {
|
|
.name = "mtd-ram",
|
|
.id = 0,
|
|
.resource = &sram_resources,
|
|
.num_resources = 1,
|
|
.dev = {
|
|
.platform_data = &stargate2_sram_pdata,
|
|
},
|
|
};
|
|
|
|
static struct pcf857x_platform_data platform_data_pcf857x = {
|
|
.gpio_base = 128,
|
|
.n_latch = 0,
|
|
.setup = NULL,
|
|
.teardown = NULL,
|
|
.context = NULL,
|
|
};
|
|
|
|
static struct at24_platform_data pca9500_eeprom_pdata = {
|
|
.byte_len = 256,
|
|
.page_size = 4,
|
|
};
|
|
|
|
/**
|
|
* stargate2_reset_bluetooth() reset the bluecore to ensure consistent state
|
|
**/
|
|
static int stargate2_reset_bluetooth(void)
|
|
{
|
|
int err;
|
|
err = gpio_request(SG2_BT_RESET, "SG2_BT_RESET");
|
|
if (err) {
|
|
printk(KERN_ERR "Could not get gpio for bluetooth reset\n");
|
|
return err;
|
|
}
|
|
gpio_direction_output(SG2_BT_RESET, 1);
|
|
mdelay(5);
|
|
/* now reset it - 5 msec minimum */
|
|
gpio_set_value(SG2_BT_RESET, 0);
|
|
mdelay(10);
|
|
gpio_set_value(SG2_BT_RESET, 1);
|
|
gpio_free(SG2_BT_RESET);
|
|
return 0;
|
|
}
|
|
|
|
static struct led_info stargate2_leds[] = {
|
|
{
|
|
.name = "sg2:red",
|
|
.flags = DA9030_LED_RATE_ON,
|
|
}, {
|
|
.name = "sg2:blue",
|
|
.flags = DA9030_LED_RATE_ON,
|
|
}, {
|
|
.name = "sg2:green",
|
|
.flags = DA9030_LED_RATE_ON,
|
|
},
|
|
};
|
|
|
|
static struct da903x_subdev_info stargate2_da9030_subdevs[] = {
|
|
{
|
|
.name = "da903x-led",
|
|
.id = DA9030_ID_LED_2,
|
|
.platform_data = &stargate2_leds[0],
|
|
}, {
|
|
.name = "da903x-led",
|
|
.id = DA9030_ID_LED_3,
|
|
.platform_data = &stargate2_leds[2],
|
|
}, {
|
|
.name = "da903x-led",
|
|
.id = DA9030_ID_LED_4,
|
|
.platform_data = &stargate2_leds[1],
|
|
}, {
|
|
.name = "da903x-regulator",
|
|
.id = DA9030_ID_LDO2,
|
|
.platform_data = &stargate2_ldo_init_data[vcc_bbio],
|
|
}, {
|
|
.name = "da903x-regulator",
|
|
.id = DA9030_ID_LDO3,
|
|
.platform_data = &stargate2_ldo_init_data[vcc_bb],
|
|
}, {
|
|
.name = "da903x-regulator",
|
|
.id = DA9030_ID_LDO4,
|
|
.platform_data = &stargate2_ldo_init_data[vcc_pxa_flash],
|
|
}, {
|
|
.name = "da903x-regulator",
|
|
.id = DA9030_ID_LDO5,
|
|
.platform_data = &stargate2_ldo_init_data[vcc_cc2420],
|
|
}, {
|
|
.name = "da903x-regulator",
|
|
.id = DA9030_ID_LDO6,
|
|
.platform_data = &stargate2_ldo_init_data[vcc_vref],
|
|
}, {
|
|
.name = "da903x-regulator",
|
|
.id = DA9030_ID_LDO7,
|
|
.platform_data = &stargate2_ldo_init_data[vcc_sram_ext],
|
|
}, {
|
|
.name = "da903x-regulator",
|
|
.id = DA9030_ID_LDO8,
|
|
.platform_data = &stargate2_ldo_init_data[vcc_mica],
|
|
}, {
|
|
.name = "da903x-regulator",
|
|
.id = DA9030_ID_LDO9,
|
|
.platform_data = &stargate2_ldo_init_data[vcc_bt],
|
|
}, {
|
|
.name = "da903x-regulator",
|
|
.id = DA9030_ID_LDO10,
|
|
.platform_data = &stargate2_ldo_init_data[vcc_sensor_1_8],
|
|
}, {
|
|
.name = "da903x-regulator",
|
|
.id = DA9030_ID_LDO11,
|
|
.platform_data = &stargate2_ldo_init_data[vcc_sensor_3],
|
|
}, {
|
|
.name = "da903x-regulator",
|
|
.id = DA9030_ID_LDO12,
|
|
.platform_data = &stargate2_ldo_init_data[vcc_lcd],
|
|
}, {
|
|
.name = "da903x-regulator",
|
|
.id = DA9030_ID_LDO15,
|
|
.platform_data = &stargate2_ldo_init_data[vcc_pxa_pll],
|
|
}, {
|
|
.name = "da903x-regulator",
|
|
.id = DA9030_ID_LDO17,
|
|
.platform_data = &stargate2_ldo_init_data[vcc_pxa_usim],
|
|
}, {
|
|
.name = "da903x-regulator", /*pxa vcc i/o and cc2420 vcc i/o */
|
|
.id = DA9030_ID_LDO18,
|
|
.platform_data = &stargate2_ldo_init_data[vcc_io],
|
|
}, {
|
|
.name = "da903x-regulator",
|
|
.id = DA9030_ID_LDO19,
|
|
.platform_data = &stargate2_ldo_init_data[vcc_pxa_mem],
|
|
},
|
|
};
|
|
|
|
static struct da903x_platform_data stargate2_da9030_pdata = {
|
|
.num_subdevs = ARRAY_SIZE(stargate2_da9030_subdevs),
|
|
.subdevs = stargate2_da9030_subdevs,
|
|
};
|
|
|
|
static struct i2c_board_info __initdata stargate2_pwr_i2c_board_info[] = {
|
|
{
|
|
.type = "da9030",
|
|
.addr = 0x49,
|
|
.platform_data = &stargate2_da9030_pdata,
|
|
.irq = PXA_GPIO_TO_IRQ(1),
|
|
},
|
|
};
|
|
|
|
static struct i2c_board_info __initdata stargate2_i2c_board_info[] = {
|
|
/* Techically this a pca9500 - but it's compatible with the 8574
|
|
* for gpio expansion and the 24c02 for eeprom access.
|
|
*/
|
|
{
|
|
.type = "pcf8574",
|
|
.addr = 0x27,
|
|
.platform_data = &platform_data_pcf857x,
|
|
}, {
|
|
.type = "24c02",
|
|
.addr = 0x57,
|
|
.platform_data = &pca9500_eeprom_pdata,
|
|
}, {
|
|
.type = "max1238",
|
|
.addr = 0x35,
|
|
}, { /* ITS400 Sensor board only */
|
|
.type = "max1363",
|
|
.addr = 0x34,
|
|
/* Through a nand gate - Also beware, on V2 sensor board the
|
|
* pull up resistors are missing.
|
|
*/
|
|
.irq = PXA_GPIO_TO_IRQ(99),
|
|
}, { /* ITS400 Sensor board only */
|
|
.type = "tsl2561",
|
|
.addr = 0x49,
|
|
/* Through a nand gate - Also beware, on V2 sensor board the
|
|
* pull up resistors are missing.
|
|
*/
|
|
.irq = PXA_GPIO_TO_IRQ(99),
|
|
}, { /* ITS400 Sensor board only */
|
|
.type = "tmp175",
|
|
.addr = 0x4A,
|
|
.irq = PXA_GPIO_TO_IRQ(96),
|
|
},
|
|
};
|
|
|
|
/* Board doesn't support cable detection - so always lie and say
|
|
* something is there.
|
|
*/
|
|
static int sg2_udc_detect(void)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
static struct pxa2xx_udc_mach_info stargate2_udc_info __initdata = {
|
|
.udc_is_connected = sg2_udc_detect,
|
|
.udc_command = sg2_udc_command,
|
|
};
|
|
|
|
static struct platform_device *stargate2_devices[] = {
|
|
&stargate2_flash_device,
|
|
&stargate2_sram,
|
|
&smc91x_device,
|
|
&sht15,
|
|
};
|
|
|
|
static void __init stargate2_init(void)
|
|
{
|
|
/* This is probably a board specific hack as this must be set
|
|
prior to connecting the MFP stuff up. */
|
|
__raw_writel(__raw_readl(MECR) & ~MECR_NOS, MECR);
|
|
|
|
pxa2xx_mfp_config(ARRAY_AND_SIZE(stargate2_pin_config));
|
|
|
|
imote2_stargate2_init();
|
|
|
|
platform_add_devices(ARRAY_AND_SIZE(stargate2_devices));
|
|
|
|
i2c_register_board_info(0, ARRAY_AND_SIZE(stargate2_i2c_board_info));
|
|
i2c_register_board_info(1, stargate2_pwr_i2c_board_info,
|
|
ARRAY_SIZE(stargate2_pwr_i2c_board_info));
|
|
|
|
pxa_set_mci_info(&stargate2_mci_platform_data);
|
|
|
|
pxa_set_udc_info(&stargate2_udc_info);
|
|
|
|
stargate2_reset_bluetooth();
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_MACH_INTELMOTE2
|
|
MACHINE_START(INTELMOTE2, "IMOTE 2")
|
|
.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 = imote2_init,
|
|
.atag_offset = 0x100,
|
|
.restart = pxa_restart,
|
|
MACHINE_END
|
|
#endif
|
|
|
|
#ifdef CONFIG_MACH_STARGATE2
|
|
MACHINE_START(STARGATE2, "Stargate 2")
|
|
.map_io = pxa27x_map_io,
|
|
.nr_irqs = STARGATE_NR_IRQS,
|
|
.init_irq = pxa27x_init_irq,
|
|
.handle_irq = pxa27x_handle_irq,
|
|
.init_time = pxa_timer_init,
|
|
.init_machine = stargate2_init,
|
|
.atag_offset = 0x100,
|
|
.restart = pxa_restart,
|
|
MACHINE_END
|
|
#endif
|