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mx27: add support for phytec pca100 (phyCARD-s) board
Signed-off-by: Luotao Fu <l.fu@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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/* | ||
* Copyright 2007 Robert Schwebel <r.schwebel@pengutronix.de>, Pengutronix | ||
* Copyright (C) 2009 Sascha Hauer (kernel@pengutronix.de) | ||
* | ||
* This program is free software; you can redistribute it and/or | ||
* modify it under the terms of the GNU General Public License | ||
* as published by the Free Software Foundation; either version 2 | ||
* of the License, or (at your option) any later version. | ||
* This program is distributed in the hope that it will be useful, | ||
* but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
* GNU General Public License for more details. | ||
* | ||
* You should have received a copy of the GNU General Public License | ||
* along with this program; if not, write to the Free Software | ||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, | ||
* MA 02110-1301, USA. | ||
*/ | ||
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#include <linux/platform_device.h> | ||
#include <linux/io.h> | ||
#include <linux/i2c.h> | ||
#include <linux/i2c/at24.h> | ||
#include <linux/dma-mapping.h> | ||
#include <linux/spi/spi.h> | ||
#include <linux/spi/eeprom.h> | ||
#include <linux/irq.h> | ||
#include <linux/gpio.h> | ||
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#include <asm/mach/arch.h> | ||
#include <asm/mach-types.h> | ||
#include <mach/common.h> | ||
#include <mach/hardware.h> | ||
#include <mach/iomux.h> | ||
#include <mach/i2c.h> | ||
#include <asm/mach/time.h> | ||
#if defined(CONFIG_SPI_IMX) || defined(CONFIG_SPI_IMX_MODULE) | ||
#include <mach/spi.h> | ||
#endif | ||
#include <mach/imx-uart.h> | ||
#include <mach/mxc_nand.h> | ||
#include <mach/irqs.h> | ||
#include <mach/mmc.h> | ||
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#include "devices.h" | ||
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static int pca100_pins[] = { | ||
/* UART1 */ | ||
PE12_PF_UART1_TXD, | ||
PE13_PF_UART1_RXD, | ||
PE14_PF_UART1_CTS, | ||
PE15_PF_UART1_RTS, | ||
/* SDHC */ | ||
PB4_PF_SD2_D0, | ||
PB5_PF_SD2_D1, | ||
PB6_PF_SD2_D2, | ||
PB7_PF_SD2_D3, | ||
PB8_PF_SD2_CMD, | ||
PB9_PF_SD2_CLK, | ||
/* FEC */ | ||
PD0_AIN_FEC_TXD0, | ||
PD1_AIN_FEC_TXD1, | ||
PD2_AIN_FEC_TXD2, | ||
PD3_AIN_FEC_TXD3, | ||
PD4_AOUT_FEC_RX_ER, | ||
PD5_AOUT_FEC_RXD1, | ||
PD6_AOUT_FEC_RXD2, | ||
PD7_AOUT_FEC_RXD3, | ||
PD8_AF_FEC_MDIO, | ||
PD9_AIN_FEC_MDC, | ||
PD10_AOUT_FEC_CRS, | ||
PD11_AOUT_FEC_TX_CLK, | ||
PD12_AOUT_FEC_RXD0, | ||
PD13_AOUT_FEC_RX_DV, | ||
PD14_AOUT_FEC_RX_CLK, | ||
PD15_AOUT_FEC_COL, | ||
PD16_AIN_FEC_TX_ER, | ||
PF23_AIN_FEC_TX_EN, | ||
/* SSI1 */ | ||
PC20_PF_SSI1_FS, | ||
PC21_PF_SSI1_RXD, | ||
PC22_PF_SSI1_TXD, | ||
PC23_PF_SSI1_CLK, | ||
/* onboard I2C */ | ||
PC5_PF_I2C2_SDA, | ||
PC6_PF_I2C2_SCL, | ||
/* external I2C */ | ||
PD17_PF_I2C_DATA, | ||
PD18_PF_I2C_CLK, | ||
/* SPI1 */ | ||
PD25_PF_CSPI1_RDY, | ||
PD29_PF_CSPI1_SCLK, | ||
PD30_PF_CSPI1_MISO, | ||
PD31_PF_CSPI1_MOSI, | ||
}; | ||
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static struct imxuart_platform_data uart_pdata = { | ||
.flags = IMXUART_HAVE_RTSCTS, | ||
}; | ||
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static struct mxc_nand_platform_data pca100_nand_board_info = { | ||
.width = 1, | ||
.hw_ecc = 1, | ||
}; | ||
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static struct platform_device *platform_devices[] __initdata = { | ||
&mxc_w1_master_device, | ||
&mxc_fec_device, | ||
}; | ||
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static struct imxi2c_platform_data pca100_i2c_1_data = { | ||
.bitrate = 100000, | ||
}; | ||
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static struct at24_platform_data board_eeprom = { | ||
.byte_len = 4096, | ||
.page_size = 32, | ||
.flags = AT24_FLAG_ADDR16, | ||
}; | ||
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static struct i2c_board_info pca100_i2c_devices[] = { | ||
{ | ||
I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */ | ||
.platform_data = &board_eeprom, | ||
}, { | ||
I2C_BOARD_INFO("rtc-pcf8563", 0x51), | ||
.type = "pcf8563" | ||
}, { | ||
I2C_BOARD_INFO("lm75", 0x4a), | ||
.type = "lm75" | ||
} | ||
}; | ||
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#if defined(CONFIG_SPI_IMX) || defined(CONFIG_SPI_IMX_MODULE) | ||
static struct spi_eeprom at25320 = { | ||
.name = "at25320an", | ||
.byte_len = 4096, | ||
.page_size = 32, | ||
.flags = EE_ADDR2, | ||
}; | ||
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static struct spi_board_info pca100_spi_board_info[] __initdata = { | ||
{ | ||
.modalias = "at25", | ||
.max_speed_hz = 30000, | ||
.bus_num = 0, | ||
.chip_select = 1, | ||
.platform_data = &at25320, | ||
}, | ||
}; | ||
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static int pca100_spi_cs[] = {GPIO_PORTD + 28, GPIO_PORTD + 27}; | ||
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static struct spi_imx_master pca100_spi_0_data = { | ||
.chipselect = pca100_spi_cs, | ||
.num_chipselect = ARRAY_SIZE(pca100_spi_cs), | ||
}; | ||
#endif | ||
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static int pca100_sdhc2_init(struct device *dev, irq_handler_t detect_irq, | ||
void *data) | ||
{ | ||
int ret; | ||
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ret = request_irq(IRQ_GPIOC(29), detect_irq, | ||
IRQF_DISABLED | IRQF_TRIGGER_FALLING, | ||
"imx-mmc-detect", data); | ||
if (ret) | ||
printk(KERN_ERR | ||
"pca100: Failed to reuest irq for sd/mmc detection\n"); | ||
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return ret; | ||
} | ||
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static void pca100_sdhc2_exit(struct device *dev, void *data) | ||
{ | ||
free_irq(IRQ_GPIOC(29), data); | ||
} | ||
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static struct imxmmc_platform_data sdhc_pdata = { | ||
.init = pca100_sdhc2_init, | ||
.exit = pca100_sdhc2_exit, | ||
}; | ||
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static void __init pca100_init(void) | ||
{ | ||
int ret; | ||
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ret = mxc_gpio_setup_multiple_pins(pca100_pins, | ||
ARRAY_SIZE(pca100_pins), "PCA100"); | ||
if (ret) | ||
printk(KERN_ERR "pca100: Failed to setup pins (%d)\n", ret); | ||
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mxc_register_device(&mxc_uart_device0, &uart_pdata); | ||
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mxc_gpio_mode(GPIO_PORTC | 29 | GPIO_GPIO | GPIO_IN); | ||
mxc_register_device(&mxc_sdhc_device1, &sdhc_pdata); | ||
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mxc_register_device(&mxc_nand_device, &pca100_nand_board_info); | ||
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/* only the i2c master 1 is used on this CPU card */ | ||
i2c_register_board_info(1, pca100_i2c_devices, | ||
ARRAY_SIZE(pca100_i2c_devices)); | ||
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mxc_register_device(&mxc_i2c_device1, &pca100_i2c_1_data); | ||
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mxc_gpio_mode(GPIO_PORTD | 28 | GPIO_GPIO | GPIO_OUT); | ||
mxc_gpio_mode(GPIO_PORTD | 27 | GPIO_GPIO | GPIO_OUT); | ||
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/* GPIO0_IRQ */ | ||
mxc_gpio_mode(GPIO_PORTC | 31 | GPIO_GPIO | GPIO_IN); | ||
/* GPIO1_IRQ */ | ||
mxc_gpio_mode(GPIO_PORTC | 25 | GPIO_GPIO | GPIO_IN); | ||
/* GPIO2_IRQ */ | ||
mxc_gpio_mode(GPIO_PORTE | 5 | GPIO_GPIO | GPIO_IN); | ||
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#if defined(CONFIG_SPI_IMX) || defined(CONFIG_SPI_IMX_MODULE) | ||
spi_register_board_info(pca100_spi_board_info, | ||
ARRAY_SIZE(pca100_spi_board_info)); | ||
mxc_register_device(&mxc_spi_device0, &pca100_spi_0_data); | ||
#endif | ||
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platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); | ||
} | ||
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static void __init pca100_timer_init(void) | ||
{ | ||
mx27_clocks_init(26000000); | ||
} | ||
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static struct sys_timer pca100_timer = { | ||
.init = pca100_timer_init, | ||
}; | ||
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MACHINE_START(PCA100, "phyCARD-i.MX27") | ||
.phys_io = AIPI_BASE_ADDR, | ||
.io_pg_offst = ((AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc, | ||
.boot_params = PHYS_OFFSET + 0x100, | ||
.map_io = mx27_map_io, | ||
.init_irq = mxc_init_irq, | ||
.init_machine = pca100_init, | ||
.timer = &pca100_timer, | ||
MACHINE_END | ||
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