/* * File: arch/blackfin/mach-bf538/boards/ezkit.c * Based on: arch/blackfin/mach-bf537/boards/ezkit.c * Author: Aidan Williams * * Created: * Description: * * Modified: * Copyright 2005 National ICT Australia (NICTA) * Copyright 2004-2008 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* * Name the Board for the /proc/cpuinfo */ const char bfin_board_name[] = "ADI BF538-EZKIT"; /* * Driver needs to know address, irq and flag pin. */ #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_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE) static struct resource bfin_uart_resources[] = { #ifdef CONFIG_SERIAL_BFIN_UART0 { .start = 0xFFC00400, .end = 0xFFC004FF, .flags = IORESOURCE_MEM, }, #endif #ifdef CONFIG_SERIAL_BFIN_UART1 { .start = 0xFFC02000, .end = 0xFFC020FF, .flags = IORESOURCE_MEM, }, #endif #ifdef CONFIG_SERIAL_BFIN_UART2 { .start = 0xFFC02100, .end = 0xFFC021FF, .flags = IORESOURCE_MEM, }, #endif }; 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 #ifdef CONFIG_BFIN_SIR1 { .start = 0xFFC02000, .end = 0xFFC020FF, .flags = IORESOURCE_MEM, }, #endif #ifdef CONFIG_BFIN_SIR2 { .start = 0xFFC02100, .end = 0xFFC021FF, .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 /* * 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_PF0, .end = IRQ_PF0, .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_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE) /* all SPI peripherals info goes here */ #if defined(CONFIG_MTD_M25P80) \ || defined(CONFIG_MTD_M25P80_MODULE) /* SPI flash chip (m25p16) */ static struct mtd_partition bfin_spi_flash_partitions[] = { { .name = "bootloader(spi)", .size = 0x00040000, .offset = 0, .mask_flags = MTD_CAP_ROM }, { .name = "linux kernel(spi)", .size = 0x1c0000, .offset = 0x40000 } }; 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 = "m25p16", }; static struct bfin5xx_spi_chip spi_flash_chip_info = { .enable_dma = 0, /* use dma transfer with this chip*/ .bits_per_word = 8, .cs_change_per_word = 0, }; #endif #if defined(CONFIG_TOUCHSCREEN_AD7879) || defined(CONFIG_TOUCHSCREEN_AD7879_MODULE) #include static const struct ad7879_platform_data bfin_ad7879_ts_info = { .model = 7879, /* Model = AD7879 */ .x_plate_ohms = 620, /* 620 Ohm from the touch datasheet */ .pressure_max = 10000, .pressure_min = 0, .first_conversion_delay = 3, /* wait 512us before do a first conversion */ .acquisition_time = 1, /* 4us acquisition time per sample */ .median = 2, /* do 8 measurements */ .averaging = 1, /* take the average of 4 middle samples */ .pen_down_acc_interval = 255, /* 9.4 ms */ .gpio_output = 1, /* configure AUX/VBAT/GPIO as GPIO output */ .gpio_default = 1, /* During initialization set GPIO = HIGH */ }; #endif #if defined(CONFIG_TOUCHSCREEN_AD7879_SPI) || defined(CONFIG_TOUCHSCREEN_AD7879_SPI_MODULE) static struct bfin5xx_spi_chip spi_ad7879_chip_info = { .enable_dma = 0, .bits_per_word = 16, }; #endif #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE) #include static struct bfin_lq035q1fb_disp_info bfin_lq035q1_data = { .mode = LQ035_NORM | LQ035_RGB | LQ035_RL | LQ035_TB, .use_bl = 0, /* let something else control the LCD Blacklight */ .gpio_bl = GPIO_PF7, }; static struct resource bfin_lq035q1_resources[] = { { .start = IRQ_PPI_ERROR, .end = IRQ_PPI_ERROR, .flags = IORESOURCE_IRQ, }, }; static struct platform_device bfin_lq035q1_device = { .name = "bfin-lq035q1", .id = -1, .num_resources = ARRAY_SIZE(bfin_lq035q1_resources), .resource = bfin_lq035q1_resources, .dev = { .platform_data = &bfin_lq035q1_data, }, }; #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 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE) static struct bfin5xx_spi_chip lq035q1_spi_chip_info = { .enable_dma = 0, .bits_per_word = 8, }; #endif static struct spi_board_info bf538_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 = 1, /* SPI_SSEL1*/ .platform_data = &bfin_spi_flash_data, .controller_data = &spi_flash_chip_info, .mode = SPI_MODE_3, }, #endif #if defined(CONFIG_TOUCHSCREEN_AD7879_SPI) || defined(CONFIG_TOUCHSCREEN_AD7879_SPI_MODULE) { .modalias = "ad7879", .platform_data = &bfin_ad7879_ts_info, .irq = IRQ_PF3, .max_speed_hz = 5000000, /* max spi clock (SCK) speed in HZ */ .bus_num = 0, .chip_select = 1, .controller_data = &spi_ad7879_chip_info, .mode = SPI_CPHA | SPI_CPOL, }, #endif #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE) { .modalias = "bfin-lq035q1-spi", .max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */ .bus_num = 0, .chip_select = 2, .controller_data = &lq035q1_spi_chip_info, .mode = SPI_CPHA | SPI_CPOL, }, #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 }; /* SPI (0) */ static struct resource bfin_spi0_resource[] = { [0] = { .start = SPI0_REGBASE, .end = SPI0_REGBASE + 0xFF, .flags = IORESOURCE_MEM, }, [1] = { .start = CH_SPI0, .end = CH_SPI0, .flags = IORESOURCE_IRQ, } }; /* SPI (1) */ static struct resource bfin_spi1_resource[] = { [0] = { .start = SPI1_REGBASE, .end = SPI1_REGBASE + 0xFF, .flags = IORESOURCE_MEM, }, [1] = { .start = CH_SPI1, .end = CH_SPI1, .flags = IORESOURCE_IRQ, } }; /* SPI (2) */ static struct resource bfin_spi2_resource[] = { [0] = { .start = SPI2_REGBASE, .end = SPI2_REGBASE + 0xFF, .flags = IORESOURCE_MEM, }, [1] = { .start = CH_SPI2, .end = CH_SPI2, .flags = IORESOURCE_IRQ, } }; /* SPI controller data */ static struct bfin5xx_spi_master bf538_spi_master_info0 = { .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 bf538_spi_master0 = { .name = "bfin-spi", .id = 0, /* Bus number */ .num_resources = ARRAY_SIZE(bfin_spi0_resource), .resource = bfin_spi0_resource, .dev = { .platform_data = &bf538_spi_master_info0, /* Passed to driver */ }, }; static struct bfin5xx_spi_master bf538_spi_master_info1 = { .num_chipselect = 8, .enable_dma = 1, /* master has the ability to do dma transfer */ .pin_req = {P_SPI1_SCK, P_SPI1_MISO, P_SPI1_MOSI, 0}, }; static struct platform_device bf538_spi_master1 = { .name = "bfin-spi", .id = 1, /* Bus number */ .num_resources = ARRAY_SIZE(bfin_spi1_resource), .resource = bfin_spi1_resource, .dev = { .platform_data = &bf538_spi_master_info1, /* Passed to driver */ }, }; static struct bfin5xx_spi_master bf538_spi_master_info2 = { .num_chipselect = 8, .enable_dma = 1, /* master has the ability to do dma transfer */ .pin_req = {P_SPI2_SCK, P_SPI2_MISO, P_SPI2_MOSI, 0}, }; static struct platform_device bf538_spi_master2 = { .name = "bfin-spi", .id = 2, /* Bus number */ .num_resources = ARRAY_SIZE(bfin_spi2_resource), .resource = bfin_spi2_resource, .dev = { .platform_data = &bf538_spi_master_info2, /* Passed to driver */ }, }; #endif /* spi master and devices */ #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE) static struct resource bfin_twi0_resource[] = { [0] = { .start = TWI0_REGBASE, .end = TWI0_REGBASE + 0xFF, .flags = IORESOURCE_MEM, }, [1] = { .start = IRQ_TWI0, .end = IRQ_TWI0, .flags = IORESOURCE_IRQ, }, }; static struct platform_device i2c_bfin_twi0_device = { .name = "i2c-bfin-twi", .id = 0, .num_resources = ARRAY_SIZE(bfin_twi0_resource), .resource = bfin_twi0_resource, }; #if !defined(CONFIG_BF542) /* The BF542 only has 1 TWI */ static struct resource bfin_twi1_resource[] = { [0] = { .start = TWI1_REGBASE, .end = TWI1_REGBASE + 0xFF, .flags = IORESOURCE_MEM, }, [1] = { .start = IRQ_TWI1, .end = IRQ_TWI1, .flags = IORESOURCE_IRQ, }, }; static struct platform_device i2c_bfin_twi1_device = { .name = "i2c-bfin-twi", .id = 1, .num_resources = ARRAY_SIZE(bfin_twi1_resource), .resource = bfin_twi1_resource, }; #endif #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_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) #include static struct gpio_keys_button bfin_gpio_keys_table[] = { {BTN_0, GPIO_PC7, 1, "gpio-keys: BTN0"}, }; 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 const unsigned int cclk_vlev_datasheet[] = { /* * Internal VLEV BF538SBBC1533 ****temporarily using these values until data sheet is updated */ VRPAIR(VLEV_100, 150000000), VRPAIR(VLEV_100, 250000000), VRPAIR(VLEV_110, 276000000), VRPAIR(VLEV_115, 301000000), VRPAIR(VLEV_120, 525000000), VRPAIR(VLEV_125, 550000000), 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 *cm_bf538_devices[] __initdata = { &bfin_dpmc, #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_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE) &bf538_spi_master0, &bf538_spi_master1, &bf538_spi_master2, #endif #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE) &i2c_bfin_twi0_device, &i2c_bfin_twi1_device, #endif #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE) &bfin_sir_device, #endif #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE) &smc91x_device, #endif #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE) &bfin_lq035q1_device, #endif #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) &bfin_device_gpiokeys, #endif &bfin_gpios_device, }; static int __init ezkit_init(void) { printk(KERN_INFO "%s(): registering device resources\n", __func__); platform_add_devices(cm_bf538_devices, ARRAY_SIZE(cm_bf538_devices)); #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE) spi_register_board_info(bf538_spi_board_info, ARRAY_SIZE(bf538_spi_board_info)); #endif return 0; } arch_initcall(ezkit_init);