/* * Copyright (C) 2010 Christian Glindkamp <christian.glindkamp@taskit.de> * taskit GmbH * 2010 Igor Plyatov <plyatov@gmail.com> * GeoSIG Ltd * * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <linux/platform_device.h> #include <linux/gpio.h> #include <linux/w1-gpio.h> #include <linux/i2c.h> #include <linux/i2c/pcf857x.h> #include <linux/gpio_keys.h> #include <linux/input.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <mach/board.h> #include <mach/at91sam9_smc.h> #include <mach/gsia18s.h> #include <mach/stamp9g20.h> #include "sam9_smc.h" #include "generic.h" static void __init gsia18s_init_early(void) { stamp9g20_init_early(); /* * USART0 on ttyS1 (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI). * Used for Internal Analog Modem. */ at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD | ATMEL_UART_RI); /* * USART1 on ttyS2 (Rx, Tx, CTS, RTS). * Used for GPS or WiFi or Data stream. */ at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS); /* * USART2 on ttyS3 (Rx, Tx, CTS, RTS). * Used for External Modem. */ at91_register_uart(AT91SAM9260_ID_US2, 3, ATMEL_UART_CTS | ATMEL_UART_RTS); /* * USART3 on ttyS4 (Rx, Tx, RTS). * Used for RS-485. */ at91_register_uart(AT91SAM9260_ID_US3, 4, ATMEL_UART_RTS); /* * USART4 on ttyS5 (Rx, Tx). * Used for TRX433 Radio Module. */ at91_register_uart(AT91SAM9260_ID_US4, 5, 0); } /* * Two USB Host ports */ static struct at91_usbh_data __initdata usbh_data = { .ports = 2, }; /* * USB Device port */ static struct at91_udc_data __initdata udc_data = { .vbus_pin = AT91_PIN_PA22, .pullup_pin = 0, /* pull-up driven by UDC */ }; /* * MACB Ethernet device */ static struct at91_eth_data __initdata macb_data = { .phy_irq_pin = AT91_PIN_PA28, .is_rmii = 1, }; /* * LEDs and GPOs */ static struct gpio_led gpio_leds[] = { { .name = "gpo:spi1reset", .gpio = AT91_PIN_PC1, .active_low = 0, .default_trigger = "none", .default_state = LEDS_GPIO_DEFSTATE_OFF, }, { .name = "gpo:trig_net_out", .gpio = AT91_PIN_PB20, .active_low = 0, .default_trigger = "none", .default_state = LEDS_GPIO_DEFSTATE_OFF, }, { .name = "gpo:trig_net_dir", .gpio = AT91_PIN_PB19, .active_low = 0, .default_trigger = "none", .default_state = LEDS_GPIO_DEFSTATE_OFF, }, { .name = "gpo:charge_dis", .gpio = AT91_PIN_PC2, .active_low = 0, .default_trigger = "none", .default_state = LEDS_GPIO_DEFSTATE_OFF, }, { .name = "led:event", .gpio = AT91_PIN_PB17, .active_low = 1, .default_trigger = "none", .default_state = LEDS_GPIO_DEFSTATE_OFF, }, { .name = "led:lan", .gpio = AT91_PIN_PB18, .active_low = 1, .default_trigger = "none", .default_state = LEDS_GPIO_DEFSTATE_OFF, }, { .name = "led:error", .gpio = AT91_PIN_PB16, .active_low = 1, .default_trigger = "none", .default_state = LEDS_GPIO_DEFSTATE_ON, } }; static struct gpio_led_platform_data gpio_led_info = { .leds = gpio_leds, .num_leds = ARRAY_SIZE(gpio_leds), }; static struct platform_device leds = { .name = "leds-gpio", .id = 0, .dev = { .platform_data = &gpio_led_info, } }; static void __init gsia18s_leds_init(void) { platform_device_register(&leds); } /* PCF8574 0x20 GPIO - U1 on the GS_IA18-CB_V3 board */ static struct gpio_led pcf_gpio_leds1[] = { { /* bit 0 */ .name = "gpo:hdc_power", .gpio = PCF_GPIO_HDC_POWER, .active_low = 0, .default_trigger = "none", .default_state = LEDS_GPIO_DEFSTATE_OFF, }, { /* bit 1 */ .name = "gpo:wifi_setup", .gpio = PCF_GPIO_WIFI_SETUP, .active_low = 1, .default_trigger = "none", .default_state = LEDS_GPIO_DEFSTATE_OFF, }, { /* bit 2 */ .name = "gpo:wifi_enable", .gpio = PCF_GPIO_WIFI_ENABLE, .active_low = 1, .default_trigger = "none", .default_state = LEDS_GPIO_DEFSTATE_OFF, }, { /* bit 3 */ .name = "gpo:wifi_reset", .gpio = PCF_GPIO_WIFI_RESET, .active_low = 1, .default_trigger = "none", .default_state = LEDS_GPIO_DEFSTATE_ON, }, /* bit 4 used as GPI */ { /* bit 5 */ .name = "gpo:gps_setup", .gpio = PCF_GPIO_GPS_SETUP, .active_low = 1, .default_trigger = "none", .default_state = LEDS_GPIO_DEFSTATE_OFF, }, { /* bit 6 */ .name = "gpo:gps_standby", .gpio = PCF_GPIO_GPS_STANDBY, .active_low = 0, .default_trigger = "none", .default_state = LEDS_GPIO_DEFSTATE_ON, }, { /* bit 7 */ .name = "gpo:gps_power", .gpio = PCF_GPIO_GPS_POWER, .active_low = 0, .default_trigger = "none", .default_state = LEDS_GPIO_DEFSTATE_OFF, } }; static struct gpio_led_platform_data pcf_gpio_led_info1 = { .leds = pcf_gpio_leds1, .num_leds = ARRAY_SIZE(pcf_gpio_leds1), }; static struct platform_device pcf_leds1 = { .name = "leds-gpio", /* GS_IA18-CB_board */ .id = 1, .dev = { .platform_data = &pcf_gpio_led_info1, } }; /* PCF8574 0x22 GPIO - U1 on the GS_2G_OPT1-A_V0 board (Alarm) */ static struct gpio_led pcf_gpio_leds2[] = { { /* bit 0 */ .name = "gpo:alarm_1", .gpio = PCF_GPIO_ALARM1, .active_low = 1, .default_trigger = "none", .default_state = LEDS_GPIO_DEFSTATE_OFF, }, { /* bit 1 */ .name = "gpo:alarm_2", .gpio = PCF_GPIO_ALARM2, .active_low = 1, .default_trigger = "none", .default_state = LEDS_GPIO_DEFSTATE_OFF, }, { /* bit 2 */ .name = "gpo:alarm_3", .gpio = PCF_GPIO_ALARM3, .active_low = 1, .default_trigger = "none", .default_state = LEDS_GPIO_DEFSTATE_OFF, }, { /* bit 3 */ .name = "gpo:alarm_4", .gpio = PCF_GPIO_ALARM4, .active_low = 1, .default_trigger = "none", .default_state = LEDS_GPIO_DEFSTATE_OFF, }, /* bits 4, 5, 6 not used */ { /* bit 7 */ .name = "gpo:alarm_v_relay_on", .gpio = PCF_GPIO_ALARM_V_RELAY_ON, .active_low = 0, .default_trigger = "none", .default_state = LEDS_GPIO_DEFSTATE_OFF, }, }; static struct gpio_led_platform_data pcf_gpio_led_info2 = { .leds = pcf_gpio_leds2, .num_leds = ARRAY_SIZE(pcf_gpio_leds2), }; static struct platform_device pcf_leds2 = { .name = "leds-gpio", .id = 2, .dev = { .platform_data = &pcf_gpio_led_info2, } }; /* PCF8574 0x24 GPIO U1 on the GS_2G-OPT23-A_V0 board (Modem) */ static struct gpio_led pcf_gpio_leds3[] = { { /* bit 0 */ .name = "gpo:modem_power", .gpio = PCF_GPIO_MODEM_POWER, .active_low = 1, .default_trigger = "none", .default_state = LEDS_GPIO_DEFSTATE_OFF, }, /* bits 1 and 2 not used */ { /* bit 3 */ .name = "gpo:modem_reset", .gpio = PCF_GPIO_MODEM_RESET, .active_low = 1, .default_trigger = "none", .default_state = LEDS_GPIO_DEFSTATE_ON, }, /* bits 4, 5 and 6 not used */ { /* bit 7 */ .name = "gpo:trx_reset", .gpio = PCF_GPIO_TRX_RESET, .active_low = 1, .default_trigger = "none", .default_state = LEDS_GPIO_DEFSTATE_ON, } }; static struct gpio_led_platform_data pcf_gpio_led_info3 = { .leds = pcf_gpio_leds3, .num_leds = ARRAY_SIZE(pcf_gpio_leds3), }; static struct platform_device pcf_leds3 = { .name = "leds-gpio", .id = 3, .dev = { .platform_data = &pcf_gpio_led_info3, } }; static void __init gsia18s_pcf_leds_init(void) { platform_device_register(&pcf_leds1); platform_device_register(&pcf_leds2); platform_device_register(&pcf_leds3); } /* * SPI busses. */ static struct spi_board_info gsia18s_spi_devices[] = { { /* User accessible spi0, cs0 used for communication with MSP RTC */ .modalias = "spidev", .bus_num = 0, .chip_select = 0, .max_speed_hz = 580000, .mode = SPI_MODE_1, }, { /* User accessible spi1, cs0 used for communication with int. DSP */ .modalias = "spidev", .bus_num = 1, .chip_select = 0, .max_speed_hz = 5600000, .mode = SPI_MODE_0, }, { /* User accessible spi1, cs1 used for communication with ext. DSP */ .modalias = "spidev", .bus_num = 1, .chip_select = 1, .max_speed_hz = 5600000, .mode = SPI_MODE_0, }, { /* User accessible spi1, cs2 used for communication with ext. DSP */ .modalias = "spidev", .bus_num = 1, .chip_select = 2, .max_speed_hz = 5600000, .mode = SPI_MODE_0, }, { /* User accessible spi1, cs3 used for communication with ext. DSP */ .modalias = "spidev", .bus_num = 1, .chip_select = 3, .max_speed_hz = 5600000, .mode = SPI_MODE_0, } }; /* * GPI Buttons */ static struct gpio_keys_button buttons[] = { { .gpio = GPIO_TRIG_NET_IN, .code = BTN_1, .desc = "TRIG_NET_IN", .type = EV_KEY, .active_low = 0, .wakeup = 1, }, { /* SW80 on the GS_IA18_S-MN board*/ .gpio = GPIO_CARD_UNMOUNT_0, .code = BTN_2, .desc = "Card umount 0", .type = EV_KEY, .active_low = 1, .wakeup = 1, }, { /* SW79 on the GS_IA18_S-MN board*/ .gpio = GPIO_CARD_UNMOUNT_1, .code = BTN_3, .desc = "Card umount 1", .type = EV_KEY, .active_low = 1, .wakeup = 1, }, { /* SW280 on the GS_IA18-CB board*/ .gpio = GPIO_KEY_POWER, .code = KEY_POWER, .desc = "Power Off Button", .type = EV_KEY, .active_low = 0, .wakeup = 1, } }; static struct gpio_keys_platform_data button_data = { .buttons = buttons, .nbuttons = ARRAY_SIZE(buttons), }; static struct platform_device button_device = { .name = "gpio-keys", .id = -1, .num_resources = 0, .dev = { .platform_data = &button_data, } }; static void __init gsia18s_add_device_buttons(void) { at91_set_gpio_input(GPIO_TRIG_NET_IN, 1); at91_set_deglitch(GPIO_TRIG_NET_IN, 1); at91_set_gpio_input(GPIO_CARD_UNMOUNT_0, 1); at91_set_deglitch(GPIO_CARD_UNMOUNT_0, 1); at91_set_gpio_input(GPIO_CARD_UNMOUNT_1, 1); at91_set_deglitch(GPIO_CARD_UNMOUNT_1, 1); at91_set_gpio_input(GPIO_KEY_POWER, 0); at91_set_deglitch(GPIO_KEY_POWER, 1); platform_device_register(&button_device); } /* * I2C */ static int pcf8574x_0x20_setup(struct i2c_client *client, int gpio, unsigned int ngpio, void *context) { int status; status = gpio_request(gpio + PCF_GPIO_ETH_DETECT, "eth_det"); if (status < 0) { pr_err("error: can't request GPIO%d\n", gpio + PCF_GPIO_ETH_DETECT); return status; } status = gpio_direction_input(gpio + PCF_GPIO_ETH_DETECT); if (status < 0) { pr_err("error: can't setup GPIO%d as input\n", gpio + PCF_GPIO_ETH_DETECT); return status; } status = gpio_export(gpio + PCF_GPIO_ETH_DETECT, false); if (status < 0) { pr_err("error: can't export GPIO%d\n", gpio + PCF_GPIO_ETH_DETECT); return status; } status = gpio_sysfs_set_active_low(gpio + PCF_GPIO_ETH_DETECT, 1); if (status < 0) { pr_err("error: gpio_sysfs_set active_low(GPIO%d, 1)\n", gpio + PCF_GPIO_ETH_DETECT); return status; } return 0; } static int pcf8574x_0x20_teardown(struct i2c_client *client, int gpio, unsigned ngpio, void *context) { gpio_free(gpio + PCF_GPIO_ETH_DETECT); return 0; } static struct pcf857x_platform_data pcf20_pdata = { .gpio_base = GS_IA18_S_PCF_GPIO_BASE0, .n_latch = (1 << 4), .setup = pcf8574x_0x20_setup, .teardown = pcf8574x_0x20_teardown, }; static struct pcf857x_platform_data pcf22_pdata = { .gpio_base = GS_IA18_S_PCF_GPIO_BASE1, }; static struct pcf857x_platform_data pcf24_pdata = { .gpio_base = GS_IA18_S_PCF_GPIO_BASE2, }; static struct i2c_board_info __initdata gsia18s_i2c_devices[] = { { /* U1 on the GS_IA18-CB_V3 board */ I2C_BOARD_INFO("pcf8574", 0x20), .platform_data = &pcf20_pdata, }, { /* U1 on the GS_2G_OPT1-A_V0 board (Alarm) */ I2C_BOARD_INFO("pcf8574", 0x22), .platform_data = &pcf22_pdata, }, { /* U1 on the GS_2G-OPT23-A_V0 board (Modem) */ I2C_BOARD_INFO("pcf8574", 0x24), .platform_data = &pcf24_pdata, }, { /* U161 on the GS_IA18_S-MN board */ I2C_BOARD_INFO("24c1024", 0x50), }, { /* U162 on the GS_IA18_S-MN board */ I2C_BOARD_INFO("24c01", 0x53), }, }; /* * Compact Flash */ static struct at91_cf_data __initdata gsia18s_cf1_data = { .irq_pin = AT91_PIN_PA27, .det_pin = AT91_PIN_PB30, .rst_pin = AT91_PIN_PB31, .chipselect = 5, .flags = AT91_CF_TRUE_IDE, }; /* Power Off by RTC */ static void gsia18s_power_off(void) { pr_notice("Power supply will be switched off automatically now or after 60 seconds without ArmDAS.\n"); at91_set_gpio_output(AT91_PIN_PA25, 1); /* Spin to death... */ while (1) ; } static int __init gsia18s_power_off_init(void) { pm_power_off = gsia18s_power_off; return 0; } /* ---------------------------------------------------------------------------*/ static void __init gsia18s_board_init(void) { stamp9g20_board_init(); at91_add_device_usbh(&usbh_data); at91_add_device_udc(&udc_data); at91_add_device_eth(&macb_data); gsia18s_leds_init(); gsia18s_pcf_leds_init(); gsia18s_add_device_buttons(); at91_add_device_i2c(gsia18s_i2c_devices, ARRAY_SIZE(gsia18s_i2c_devices)); at91_add_device_cf(&gsia18s_cf1_data); at91_add_device_spi(gsia18s_spi_devices, ARRAY_SIZE(gsia18s_spi_devices)); gsia18s_power_off_init(); } MACHINE_START(GSIA18S, "GS_IA18_S") .timer = &at91sam926x_timer, .map_io = at91_map_io, .init_early = gsia18s_init_early, .init_irq = at91_init_irq_default, .init_machine = gsia18s_board_init, MACHINE_END