| /* |
| * 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/at91sam9_smc.h> |
| #include <mach/hardware.h> |
| |
| #include "at91_aic.h" |
| #include "board.h" |
| #include "sam9_smc.h" |
| #include "generic.h" |
| #include "gsia18s.h" |
| #include "stamp9g20.h" |
| #include "gpio.h" |
| |
| static void __init gsia18s_init_early(void) |
| { |
| stamp9g20_init_early(); |
| } |
| |
| /* |
| * Two USB Host ports |
| */ |
| static struct at91_usbh_data __initdata usbh_data = { |
| .ports = 2, |
| .vbus_pin = {-EINVAL, -EINVAL}, |
| .overcurrent_pin= {-EINVAL, -EINVAL}, |
| }; |
| |
| /* |
| * USB Device port |
| */ |
| static struct at91_udc_data __initdata udc_data = { |
| .vbus_pin = AT91_PIN_PA22, |
| .pullup_pin = -EINVAL, /* pull-up driven by UDC */ |
| }; |
| |
| /* |
| * MACB Ethernet device |
| */ |
| static struct macb_platform_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, |
| .vcc_pin = -EINVAL, |
| .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) |
| { |
| /* |
| * 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); |
| 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") |
| .init_time = at91_init_time, |
| .map_io = at91_map_io, |
| .handle_irq = at91_aic_handle_irq, |
| .init_early = gsia18s_init_early, |
| .init_irq = at91_init_irq_default, |
| .init_machine = gsia18s_board_init, |
| MACHINE_END |