| /* |
| * 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 <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/board.h> |
| #include <mach/at91sam9_smc.h> |
| #include <mach/at91_shdwc.h> |
| #include <mach/system_rev.h> |
| |
| #include "sam9_smc.h" |
| #include "generic.h" |
| |
| |
| static void __init ek_init_early(void) |
| { |
| /* Initialize processor: 12.000 MHz crystal */ |
| at91_initialize(12000000); |
| |
| /* 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); |
| |
| /* set serial console to ttyS0 (ie, DBGU) */ |
| at91_set_serial_console(0); |
| } |
| |
| /* |
| * 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}, |
| .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_info __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_info __initdata ek_lcdc_data; |
| #endif |
| |
| |
| /* |
| * Touchscreen |
| */ |
| static struct at91_tsadcc_data ek_tsadcc_data = { |
| .adc_clock = 300000, |
| .pendet_debounce = 0x0d, |
| .ts_sample_hold_time = 0x0a, |
| }; |
| |
| |
| /* |
| * 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 !(defined(CONFIG_LEDS_ATMEL_PWM) || defined(CONFIG_LEDS_ATMEL_PWM_MODULE)) |
| { /* "right" led, green, userled1, pwm1 */ |
| .name = "d7", |
| .gpio = AT91_PIN_PD31, |
| .active_low = 1, |
| .default_trigger = "mmc0", |
| }, |
| #endif |
| }; |
| |
| |
| /* |
| * PWM Leds |
| */ |
| static struct gpio_led ek_pwm_led[] = { |
| #if defined(CONFIG_LEDS_ATMEL_PWM) || defined(CONFIG_LEDS_ATMEL_PWM_MODULE) |
| { /* "right" led, green, userled1, pwm1 */ |
| .name = "d7", |
| .gpio = 1, /* is PWM channel number */ |
| .active_low = 1, |
| .default_trigger = "none", |
| }, |
| #endif |
| }; |
| |
| static struct platform_device *devices[] __initdata = { |
| #if defined(CONFIG_SOC_CAMERA_OV2640) || \ |
| defined(CONFIG_SOC_CAMERA_OV2640_MODULE) |
| &isi_ov2640, |
| #endif |
| }; |
| |
| static void __init ek_board_init(void) |
| { |
| /* Serial */ |
| 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); |
| /* Touch Screen */ |
| at91_add_device_tsadcc(&ek_tsadcc_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)); |
| at91_pwm_leds(ek_pwm_led, ARRAY_SIZE(ek_pwm_led)); |
| /* Other platform devices */ |
| platform_add_devices(devices, ARRAY_SIZE(devices)); |
| } |
| |
| MACHINE_START(AT91SAM9M10G45EK, "Atmel AT91SAM9M10G45-EK") |
| /* Maintainer: Atmel */ |
| .timer = &at91sam926x_timer, |
| .map_io = at91_map_io, |
| .init_early = ek_init_early, |
| .init_irq = at91_init_irq_default, |
| .init_machine = ek_board_init, |
| MACHINE_END |