/* * Board-specific setup code for the AT91SAM9M10G45 Evaluation Kit family * * Covers: * AT91SAM9G45-EKES board * * AT91SAM9M10G45-EK board * * Copyright (C) 2009 Atmel Corporation. * * 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. * */ #include <linux/types.h> #include <linux/gpio.h> #include <linux/init.h> #include <linux/mm.h> #include <linux/module.h> #include <linux/platform_device.h> #include <linux/spi/spi.h> #include <linux/fb.h> #include <linux/gpio_keys.h> #include <linux/input.h> #include <linux/leds.h> #include <linux/atmel-mci.h> #include <linux/delay.h> #include <linux/pwm.h> #include <linux/leds_pwm.h> #include <linux/platform_data/at91_adc.h> #include <mach/hardware.h> #include <video/atmel_lcdc.h> #include <media/soc_camera.h> #include <media/atmel-isi.h> #include <asm/setup.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 <mach/at91sam9_smc.h> #include <mach/system_rev.h> #include "at91_aic.h" #include "board.h" #include "sam9_smc.h" #include "generic.h" #include "gpio.h" static void __init ek_init_early(void) { /* Initialize processor: 12.000 MHz crystal */ at91_initialize(12000000); } /* * USB HS Host port (common to OHCI & EHCI) */ static struct at91_usbh_data __initdata ek_usbh_hs_data = { .ports = 2, .vbus_pin = {AT91_PIN_PD1, AT91_PIN_PD3}, .vbus_pin_active_low = {1, 1}, .overcurrent_pin= {-EINVAL, -EINVAL}, }; /* * USB HS Device port */ static struct usba_platform_data __initdata ek_usba_udc_data = { .vbus_pin = AT91_PIN_PB19, }; /* * SPI devices. */ static struct spi_board_info ek_spi_devices[] = { { /* DataFlash chip */ .modalias = "mtd_dataflash", .chip_select = 0, .max_speed_hz = 15 * 1000 * 1000, .bus_num = 0, }, }; /* * MCI (SD/MMC) */ static struct mci_platform_data __initdata mci0_data = { .slot[0] = { .bus_width = 4, .detect_pin = AT91_PIN_PD10, .wp_pin = -EINVAL, }, }; static struct mci_platform_data __initdata mci1_data = { .slot[0] = { .bus_width = 4, .detect_pin = AT91_PIN_PD11, .wp_pin = AT91_PIN_PD29, }, }; /* * MACB Ethernet device */ static struct macb_platform_data __initdata ek_macb_data = { .phy_irq_pin = AT91_PIN_PD5, .is_rmii = 1, }; /* * NAND flash */ static struct mtd_partition __initdata ek_nand_partition[] = { { .name = "Partition 1", .offset = 0, .size = SZ_64M, }, { .name = "Partition 2", .offset = MTDPART_OFS_NXTBLK, .size = MTDPART_SIZ_FULL, }, }; /* det_pin is not connected */ static struct atmel_nand_data __initdata ek_nand_data = { .ale = 21, .cle = 22, .rdy_pin = AT91_PIN_PC8, .enable_pin = AT91_PIN_PC14, .det_pin = -EINVAL, .ecc_mode = NAND_ECC_SOFT, .on_flash_bbt = 1, .parts = ek_nand_partition, .num_parts = ARRAY_SIZE(ek_nand_partition), }; static struct sam9_smc_config __initdata ek_nand_smc_config = { .ncs_read_setup = 0, .nrd_setup = 2, .ncs_write_setup = 0, .nwe_setup = 2, .ncs_read_pulse = 4, .nrd_pulse = 4, .ncs_write_pulse = 4, .nwe_pulse = 4, .read_cycle = 7, .write_cycle = 7, .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE, .tdf_cycles = 3, }; static void __init ek_add_device_nand(void) { ek_nand_data.bus_width_16 = board_have_nand_16bit(); /* setup bus-width (8 or 16) */ if (ek_nand_data.bus_width_16) ek_nand_smc_config.mode |= AT91_SMC_DBW_16; else ek_nand_smc_config.mode |= AT91_SMC_DBW_8; /* configure chip-select 3 (NAND) */ sam9_smc_configure(0, 3, &ek_nand_smc_config); at91_add_device_nand(&ek_nand_data); } /* * ISI */ static struct isi_platform_data __initdata isi_data = { .frate = ISI_CFG1_FRATE_CAPTURE_ALL, /* to use codec and preview path simultaneously */ .full_mode = 1, .data_width_flags = ISI_DATAWIDTH_8 | ISI_DATAWIDTH_10, /* ISI_MCK is provided by programmable clock or external clock */ .mck_hz = 25000000, }; /* * soc-camera OV2640 */ #if defined(CONFIG_SOC_CAMERA_OV2640) || \ defined(CONFIG_SOC_CAMERA_OV2640_MODULE) static unsigned long isi_camera_query_bus_param(struct soc_camera_link *link) { /* ISI board for ek using default 8-bits connection */ return SOCAM_DATAWIDTH_8; } static int i2c_camera_power(struct device *dev, int on) { /* enable or disable the camera */ pr_debug("%s: %s the camera\n", __func__, on ? "ENABLE" : "DISABLE"); at91_set_gpio_output(AT91_PIN_PD13, !on); if (!on) goto out; /* If enabled, give a reset impulse */ at91_set_gpio_output(AT91_PIN_PD12, 0); msleep(20); at91_set_gpio_output(AT91_PIN_PD12, 1); msleep(100); out: return 0; } static struct i2c_board_info i2c_camera = { I2C_BOARD_INFO("ov2640", 0x30), }; static struct soc_camera_link iclink_ov2640 = { .bus_id = 0, .board_info = &i2c_camera, .i2c_adapter_id = 0, .power = i2c_camera_power, .query_bus_param = isi_camera_query_bus_param, }; static struct platform_device isi_ov2640 = { .name = "soc-camera-pdrv", .id = 0, .dev = { .platform_data = &iclink_ov2640, }, }; #endif /* * LCD Controller */ #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE) static struct fb_videomode at91_tft_vga_modes[] = { { .name = "LG", .refresh = 60, .xres = 480, .yres = 272, .pixclock = KHZ2PICOS(9000), .left_margin = 1, .right_margin = 1, .upper_margin = 40, .lower_margin = 1, .hsync_len = 45, .vsync_len = 1, .sync = 0, .vmode = FB_VMODE_NONINTERLACED, }, }; static struct fb_monspecs at91fb_default_monspecs = { .manufacturer = "LG", .monitor = "LB043WQ1", .modedb = at91_tft_vga_modes, .modedb_len = ARRAY_SIZE(at91_tft_vga_modes), .hfmin = 15000, .hfmax = 17640, .vfmin = 57, .vfmax = 67, }; #define AT91SAM9G45_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \ | ATMEL_LCDC_DISTYPE_TFT \ | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE) /* Driver datas */ static struct atmel_lcdfb_pdata __initdata ek_lcdc_data = { .lcdcon_is_backlight = true, .default_bpp = 32, .default_dmacon = ATMEL_LCDC_DMAEN, .default_lcdcon2 = AT91SAM9G45_DEFAULT_LCDCON2, .default_monspecs = &at91fb_default_monspecs, .guard_time = 9, .lcd_wiring_mode = ATMEL_LCDC_WIRING_RGB, }; #else static struct atmel_lcdfb_pdata __initdata ek_lcdc_data; #endif /* * ADCs and touchscreen */ static struct at91_adc_data ek_adc_data = { .channels_used = BIT(0) | BIT(1) | BIT(2) | BIT(3) | BIT(4) | BIT(5) | BIT(6) | BIT(7), .use_external_triggers = true, .vref = 3300, .touchscreen_type = ATMEL_ADC_TOUCHSCREEN_4WIRE, }; /* * GPIO Buttons */ #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) static struct gpio_keys_button ek_buttons[] = { { /* BP1, "leftclic" */ .code = BTN_LEFT, .gpio = AT91_PIN_PB6, .active_low = 1, .desc = "left_click", .wakeup = 1, }, { /* BP2, "rightclic" */ .code = BTN_RIGHT, .gpio = AT91_PIN_PB7, .active_low = 1, .desc = "right_click", .wakeup = 1, }, /* BP3, "joystick" */ { .code = KEY_LEFT, .gpio = AT91_PIN_PB14, .active_low = 1, .desc = "Joystick Left", }, { .code = KEY_RIGHT, .gpio = AT91_PIN_PB15, .active_low = 1, .desc = "Joystick Right", }, { .code = KEY_UP, .gpio = AT91_PIN_PB16, .active_low = 1, .desc = "Joystick Up", }, { .code = KEY_DOWN, .gpio = AT91_PIN_PB17, .active_low = 1, .desc = "Joystick Down", }, { .code = KEY_ENTER, .gpio = AT91_PIN_PB18, .active_low = 1, .desc = "Joystick Press", }, }; static struct gpio_keys_platform_data ek_button_data = { .buttons = ek_buttons, .nbuttons = ARRAY_SIZE(ek_buttons), }; static struct platform_device ek_button_device = { .name = "gpio-keys", .id = -1, .num_resources = 0, .dev = { .platform_data = &ek_button_data, } }; static void __init ek_add_device_buttons(void) { int i; for (i = 0; i < ARRAY_SIZE(ek_buttons); i++) { at91_set_GPIO_periph(ek_buttons[i].gpio, 1); at91_set_deglitch(ek_buttons[i].gpio, 1); } platform_device_register(&ek_button_device); } #else static void __init ek_add_device_buttons(void) {} #endif /* * AC97 * reset_pin is not connected: NRST */ static struct ac97c_platform_data ek_ac97_data = { .reset_pin = -EINVAL, }; /* * LEDs ... these could all be PWM-driven, for variable brightness */ static struct gpio_led ek_leds[] = { { /* "top" led, red, powerled */ .name = "d8", .gpio = AT91_PIN_PD30, .default_trigger = "heartbeat", }, { /* "left" led, green, userled2, pwm3 */ .name = "d6", .gpio = AT91_PIN_PD0, .active_low = 1, .default_trigger = "nand-disk", }, #if !IS_ENABLED(CONFIG_LEDS_PWM) { /* "right" led, green, userled1, pwm1 */ .name = "d7", .gpio = AT91_PIN_PD31, .active_low = 1, .default_trigger = "mmc0", }, #endif }; /* * PWM Leds */ static struct pwm_lookup pwm_lookup[] = { PWM_LOOKUP("at91sam9rl-pwm", 1, "leds_pwm", "d7", 5000, PWM_POLARITY_INVERSED), }; #if IS_ENABLED(CONFIG_LEDS_PWM) static struct led_pwm pwm_leds[] = { { /* "right" led, green, userled1, pwm1 */ .name = "d7", .max_brightness = 255, }, }; static struct led_pwm_platform_data pwm_data = { .num_leds = ARRAY_SIZE(pwm_leds), .leds = pwm_leds, }; static struct platform_device leds_pwm = { .name = "leds_pwm", .id = -1, .dev = { .platform_data = &pwm_data, }, }; #endif static struct platform_device *devices[] __initdata = { #if defined(CONFIG_SOC_CAMERA_OV2640) || \ defined(CONFIG_SOC_CAMERA_OV2640_MODULE) &isi_ov2640, #endif #if IS_ENABLED(CONFIG_LEDS_PWM) &leds_pwm, #endif }; static void __init ek_board_init(void) { at91_register_devices(); /* Serial */ /* DGBU on ttyS0. (Rx & Tx only) */ at91_register_uart(0, 0, 0); /* USART0 not connected on the -EK board */ /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */ at91_register_uart(AT91SAM9G45_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS); at91_add_device_serial(); /* USB HS Host */ at91_add_device_usbh_ohci(&ek_usbh_hs_data); at91_add_device_usbh_ehci(&ek_usbh_hs_data); /* USB HS Device */ at91_add_device_usba(&ek_usba_udc_data); /* SPI */ at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices)); /* MMC */ at91_add_device_mci(0, &mci0_data); at91_add_device_mci(1, &mci1_data); /* Ethernet */ at91_add_device_eth(&ek_macb_data); /* NAND */ ek_add_device_nand(); /* I2C */ at91_add_device_i2c(0, NULL, 0); /* ISI, using programmable clock as ISI_MCK */ at91_add_device_isi(&isi_data, true); /* LCD Controller */ at91_add_device_lcdc(&ek_lcdc_data); /* ADC and touchscreen */ at91_add_device_adc(&ek_adc_data); /* Push Buttons */ ek_add_device_buttons(); /* AC97 */ at91_add_device_ac97(&ek_ac97_data); /* LEDs */ at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds)); pwm_add_table(pwm_lookup, ARRAY_SIZE(pwm_lookup)); #if IS_ENABLED(CONFIG_LEDS_PWM) at91_add_device_pwm(1 << AT91_PWM1); #endif /* Other platform devices */ platform_add_devices(devices, ARRAY_SIZE(devices)); } MACHINE_START(AT91SAM9M10G45EK, "Atmel AT91SAM9M10G45-EK") /* Maintainer: Atmel */ .init_time = at91_init_time, .map_io = at91_map_io, .handle_irq = at91_aic_handle_irq, .init_early = ek_init_early, .init_irq = at91_init_irq_default, .init_machine = ek_board_init, MACHINE_END