| /* |
| * 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. |
| */ |
| |
| #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> |
| |
| #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> |
| |
| #include "devices.h" |
| |
| 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, |
| }; |
| |
| static struct imxuart_platform_data uart_pdata = { |
| .flags = IMXUART_HAVE_RTSCTS, |
| }; |
| |
| static struct mxc_nand_platform_data pca100_nand_board_info = { |
| .width = 1, |
| .hw_ecc = 1, |
| }; |
| |
| static struct platform_device *platform_devices[] __initdata = { |
| &mxc_w1_master_device, |
| &mxc_fec_device, |
| }; |
| |
| static struct imxi2c_platform_data pca100_i2c_1_data = { |
| .bitrate = 100000, |
| }; |
| |
| static struct at24_platform_data board_eeprom = { |
| .byte_len = 4096, |
| .page_size = 32, |
| .flags = AT24_FLAG_ADDR16, |
| }; |
| |
| 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" |
| } |
| }; |
| |
| #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, |
| }; |
| |
| 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, |
| }, |
| }; |
| |
| static int pca100_spi_cs[] = {GPIO_PORTD + 28, GPIO_PORTD + 27}; |
| |
| static struct spi_imx_master pca100_spi_0_data = { |
| .chipselect = pca100_spi_cs, |
| .num_chipselect = ARRAY_SIZE(pca100_spi_cs), |
| }; |
| #endif |
| |
| static int pca100_sdhc2_init(struct device *dev, irq_handler_t detect_irq, |
| void *data) |
| { |
| int ret; |
| |
| 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"); |
| |
| return ret; |
| } |
| |
| static void pca100_sdhc2_exit(struct device *dev, void *data) |
| { |
| free_irq(IRQ_GPIOC(29), data); |
| } |
| |
| static struct imxmmc_platform_data sdhc_pdata = { |
| .init = pca100_sdhc2_init, |
| .exit = pca100_sdhc2_exit, |
| }; |
| |
| static void __init pca100_init(void) |
| { |
| int ret; |
| |
| 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); |
| |
| mxc_register_device(&mxc_uart_device0, &uart_pdata); |
| |
| mxc_gpio_mode(GPIO_PORTC | 29 | GPIO_GPIO | GPIO_IN); |
| mxc_register_device(&mxc_sdhc_device1, &sdhc_pdata); |
| |
| mxc_register_device(&imx27_nand_device, &pca100_nand_board_info); |
| |
| /* only the i2c master 1 is used on this CPU card */ |
| i2c_register_board_info(1, pca100_i2c_devices, |
| ARRAY_SIZE(pca100_i2c_devices)); |
| |
| mxc_register_device(&mxc_i2c_device1, &pca100_i2c_1_data); |
| |
| mxc_gpio_mode(GPIO_PORTD | 28 | GPIO_GPIO | GPIO_OUT); |
| mxc_gpio_mode(GPIO_PORTD | 27 | GPIO_GPIO | GPIO_OUT); |
| |
| /* 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); |
| |
| #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 |
| |
| platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); |
| } |
| |
| static void __init pca100_timer_init(void) |
| { |
| mx27_clocks_init(26000000); |
| } |
| |
| static struct sys_timer pca100_timer = { |
| .init = pca100_timer_init, |
| }; |
| |
| MACHINE_START(PCA100, "phyCARD-i.MX27") |
| .phys_io = MX27_AIPI_BASE_ADDR, |
| .io_pg_offst = ((MX27_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc, |
| .boot_params = MX27_PHYS_OFFSET + 0x100, |
| .map_io = mx27_map_io, |
| .init_irq = mx27_init_irq, |
| .init_machine = pca100_init, |
| .timer = &pca100_timer, |
| MACHINE_END |
| |