| /* |
| * File: arch/blackfin/mach-bf533/ezkit.c |
| * Based on: Original Work |
| * Author: Aidan Williams <aidan@nicta.com.au> |
| * |
| * Created: 2005 |
| * Description: |
| * |
| * Modified: Robin Getz <rgetz@blackfin.uclinux.org> - Named the boards |
| * Copyright 2005 National ICT Australia (NICTA) |
| * Copyright 2004-2006 Analog Devices Inc. |
| * |
| * Bugs: Enter bugs at http://blackfin.uclinux.org/ |
| * |
| * 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, see the file COPYING, or write |
| * to the Free Software Foundation, Inc., |
| * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include <linux/device.h> |
| #include <linux/platform_device.h> |
| #include <linux/mtd/mtd.h> |
| #include <linux/mtd/partitions.h> |
| #include <linux/spi/spi.h> |
| #include <linux/spi/flash.h> |
| #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE) |
| #include <linux/usb/isp1362.h> |
| #endif |
| #include <linux/irq.h> |
| #include <asm/dma.h> |
| #include <asm/bfin5xx_spi.h> |
| #include <asm/portmux.h> |
| #include <asm/dpmc.h> |
| |
| /* |
| * Name the Board for the /proc/cpuinfo |
| */ |
| const char bfin_board_name[] = "ADDS-BF533-EZKIT"; |
| |
| #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE) |
| static struct platform_device rtc_device = { |
| .name = "rtc-bfin", |
| .id = -1, |
| }; |
| #endif |
| |
| #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE) |
| static struct platform_device bfin_fb_adv7393_device = { |
| .name = "bfin-adv7393", |
| }; |
| #endif |
| |
| /* |
| * USB-LAN EzExtender board |
| * Driver needs to know address, irq and flag pin. |
| */ |
| #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE) |
| static struct resource smc91x_resources[] = { |
| { |
| .name = "smc91x-regs", |
| .start = 0x20310300, |
| .end = 0x20310300 + 16, |
| .flags = IORESOURCE_MEM, |
| }, { |
| .start = IRQ_PF9, |
| .end = IRQ_PF9, |
| .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL, |
| }, |
| }; |
| static struct platform_device smc91x_device = { |
| .name = "smc91x", |
| .id = 0, |
| .num_resources = ARRAY_SIZE(smc91x_resources), |
| .resource = smc91x_resources, |
| }; |
| #endif |
| |
| #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE) |
| static struct mtd_partition bfin_spi_flash_partitions[] = { |
| { |
| .name = "bootloader(spi)", |
| .size = 0x00020000, |
| .offset = 0, |
| .mask_flags = MTD_CAP_ROM |
| }, { |
| .name = "linux kernel(spi)", |
| .size = 0xe0000, |
| .offset = MTDPART_OFS_APPEND, |
| }, { |
| .name = "file system(spi)", |
| .size = MTDPART_SIZ_FULL, |
| .offset = MTDPART_OFS_APPEND, |
| } |
| }; |
| |
| static struct flash_platform_data bfin_spi_flash_data = { |
| .name = "m25p80", |
| .parts = bfin_spi_flash_partitions, |
| .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions), |
| .type = "m25p64", |
| }; |
| |
| /* SPI flash chip (m25p64) */ |
| static struct bfin5xx_spi_chip spi_flash_chip_info = { |
| .enable_dma = 0, /* use dma transfer with this chip*/ |
| .bits_per_word = 8, |
| }; |
| #endif |
| |
| #if defined(CONFIG_SPI_ADC_BF533) || defined(CONFIG_SPI_ADC_BF533_MODULE) |
| /* SPI ADC chip */ |
| static struct bfin5xx_spi_chip spi_adc_chip_info = { |
| .enable_dma = 1, /* use dma transfer with this chip*/ |
| .bits_per_word = 16, |
| }; |
| #endif |
| |
| #if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE) |
| static struct bfin5xx_spi_chip ad1836_spi_chip_info = { |
| .enable_dma = 0, |
| .bits_per_word = 16, |
| }; |
| #endif |
| |
| #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE) |
| static struct bfin5xx_spi_chip spidev_chip_info = { |
| .enable_dma = 0, |
| .bits_per_word = 8, |
| }; |
| #endif |
| |
| static struct spi_board_info bfin_spi_board_info[] __initdata = { |
| #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE) |
| { |
| /* the modalias must be the same as spi device driver name */ |
| .modalias = "m25p80", /* Name of spi_driver for this device */ |
| .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */ |
| .bus_num = 0, /* Framework bus number */ |
| .chip_select = 2, /* Framework chip select. On STAMP537 it is SPISSEL2*/ |
| .platform_data = &bfin_spi_flash_data, |
| .controller_data = &spi_flash_chip_info, |
| .mode = SPI_MODE_3, |
| }, |
| #endif |
| |
| #if defined(CONFIG_SPI_ADC_BF533) || defined(CONFIG_SPI_ADC_BF533_MODULE) |
| { |
| .modalias = "bfin_spi_adc", /* Name of spi_driver for this device */ |
| .max_speed_hz = 6250000, /* max spi clock (SCK) speed in HZ */ |
| .bus_num = 0, /* Framework bus number */ |
| .chip_select = 1, /* Framework chip select. */ |
| .platform_data = NULL, /* No spi_driver specific config */ |
| .controller_data = &spi_adc_chip_info, |
| }, |
| #endif |
| |
| #if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE) |
| { |
| .modalias = "ad1836-spi", |
| .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */ |
| .bus_num = 0, |
| .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT, |
| .controller_data = &ad1836_spi_chip_info, |
| }, |
| #endif |
| #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE) |
| { |
| .modalias = "spidev", |
| .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */ |
| .bus_num = 0, |
| .chip_select = 1, |
| .controller_data = &spidev_chip_info, |
| }, |
| #endif |
| }; |
| |
| #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE) |
| /* SPI (0) */ |
| static struct resource bfin_spi0_resource[] = { |
| [0] = { |
| .start = SPI0_REGBASE, |
| .end = SPI0_REGBASE + 0xFF, |
| .flags = IORESOURCE_MEM, |
| }, |
| [1] = { |
| .start = CH_SPI, |
| .end = CH_SPI, |
| .flags = IORESOURCE_IRQ, |
| } |
| }; |
| |
| /* SPI controller data */ |
| static struct bfin5xx_spi_master bfin_spi0_info = { |
| .num_chipselect = 8, |
| .enable_dma = 1, /* master has the ability to do dma transfer */ |
| .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0}, |
| }; |
| |
| static struct platform_device bfin_spi0_device = { |
| .name = "bfin-spi", |
| .id = 0, /* Bus number */ |
| .num_resources = ARRAY_SIZE(bfin_spi0_resource), |
| .resource = bfin_spi0_resource, |
| .dev = { |
| .platform_data = &bfin_spi0_info, /* Passed to driver */ |
| }, |
| }; |
| #endif /* spi master and devices */ |
| |
| #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE) |
| static struct resource bfin_uart_resources[] = { |
| { |
| .start = 0xFFC00400, |
| .end = 0xFFC004FF, |
| .flags = IORESOURCE_MEM, |
| }, |
| }; |
| |
| static struct platform_device bfin_uart_device = { |
| .name = "bfin-uart", |
| .id = 1, |
| .num_resources = ARRAY_SIZE(bfin_uart_resources), |
| .resource = bfin_uart_resources, |
| }; |
| #endif |
| |
| #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE) |
| static struct resource bfin_sir_resources[] = { |
| #ifdef CONFIG_BFIN_SIR0 |
| { |
| .start = 0xFFC00400, |
| .end = 0xFFC004FF, |
| .flags = IORESOURCE_MEM, |
| }, |
| #endif |
| }; |
| |
| static struct platform_device bfin_sir_device = { |
| .name = "bfin_sir", |
| .id = 0, |
| .num_resources = ARRAY_SIZE(bfin_sir_resources), |
| .resource = bfin_sir_resources, |
| }; |
| #endif |
| |
| #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) |
| #include <linux/input.h> |
| #include <linux/gpio_keys.h> |
| |
| static struct gpio_keys_button bfin_gpio_keys_table[] = { |
| {BTN_0, GPIO_PF7, 1, "gpio-keys: BTN0"}, |
| {BTN_1, GPIO_PF8, 1, "gpio-keys: BTN1"}, |
| {BTN_2, GPIO_PF9, 1, "gpio-keys: BTN2"}, |
| {BTN_3, GPIO_PF10, 1, "gpio-keys: BTN3"}, |
| }; |
| |
| static struct gpio_keys_platform_data bfin_gpio_keys_data = { |
| .buttons = bfin_gpio_keys_table, |
| .nbuttons = ARRAY_SIZE(bfin_gpio_keys_table), |
| }; |
| |
| static struct platform_device bfin_device_gpiokeys = { |
| .name = "gpio-keys", |
| .dev = { |
| .platform_data = &bfin_gpio_keys_data, |
| }, |
| }; |
| #endif |
| |
| static struct resource bfin_gpios_resources = { |
| .start = 0, |
| .end = MAX_BLACKFIN_GPIOS - 1, |
| .flags = IORESOURCE_IRQ, |
| }; |
| |
| static struct platform_device bfin_gpios_device = { |
| .name = "simple-gpio", |
| .id = -1, |
| .num_resources = 1, |
| .resource = &bfin_gpios_resources, |
| }; |
| |
| #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE) |
| #include <linux/i2c-gpio.h> |
| |
| static struct i2c_gpio_platform_data i2c_gpio_data = { |
| .sda_pin = 1, |
| .scl_pin = 0, |
| .sda_is_open_drain = 0, |
| .scl_is_open_drain = 0, |
| .udelay = 40, |
| }; |
| |
| static struct platform_device i2c_gpio_device = { |
| .name = "i2c-gpio", |
| .id = 0, |
| .dev = { |
| .platform_data = &i2c_gpio_data, |
| }, |
| }; |
| #endif |
| |
| static const unsigned int cclk_vlev_datasheet[] = |
| { |
| VRPAIR(VLEV_085, 250000000), |
| VRPAIR(VLEV_090, 376000000), |
| VRPAIR(VLEV_095, 426000000), |
| VRPAIR(VLEV_100, 426000000), |
| VRPAIR(VLEV_105, 476000000), |
| VRPAIR(VLEV_110, 476000000), |
| VRPAIR(VLEV_115, 476000000), |
| VRPAIR(VLEV_120, 600000000), |
| VRPAIR(VLEV_125, 600000000), |
| VRPAIR(VLEV_130, 600000000), |
| }; |
| |
| static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = { |
| .tuple_tab = cclk_vlev_datasheet, |
| .tabsize = ARRAY_SIZE(cclk_vlev_datasheet), |
| .vr_settling_time = 25 /* us */, |
| }; |
| |
| static struct platform_device bfin_dpmc = { |
| .name = "bfin dpmc", |
| .dev = { |
| .platform_data = &bfin_dmpc_vreg_data, |
| }, |
| }; |
| |
| static struct platform_device *ezkit_devices[] __initdata = { |
| |
| &bfin_dpmc, |
| |
| #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE) |
| &smc91x_device, |
| #endif |
| |
| #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE) |
| &bfin_spi0_device, |
| #endif |
| |
| #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE) |
| &bfin_fb_adv7393_device, |
| #endif |
| |
| #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE) |
| &rtc_device, |
| #endif |
| |
| #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE) |
| &bfin_uart_device, |
| #endif |
| |
| #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE) |
| &bfin_sir_device, |
| #endif |
| |
| #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) |
| &bfin_device_gpiokeys, |
| #endif |
| |
| #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE) |
| &i2c_gpio_device, |
| #endif |
| |
| &bfin_gpios_device, |
| }; |
| |
| static int __init ezkit_init(void) |
| { |
| printk(KERN_INFO "%s(): registering device resources\n", __func__); |
| platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices)); |
| spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info)); |
| return 0; |
| } |
| |
| arch_initcall(ezkit_init); |