forked from Minki/linux
0f391f189e
Now that we have the init_time callback in the at91_init_soc structure, convert all the boards and SoC to this. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Boris BREZILLON <boris.brezillon@free-electrons.com> Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
586 lines
14 KiB
C
586 lines
14 KiB
C
/*
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* Copyright (C) 2010 Christian Glindkamp <christian.glindkamp@taskit.de>
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* taskit GmbH
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* 2010 Igor Plyatov <plyatov@gmail.com>
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* GeoSIG Ltd
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <linux/platform_device.h>
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#include <linux/gpio.h>
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#include <linux/w1-gpio.h>
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#include <linux/i2c.h>
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#include <linux/i2c/pcf857x.h>
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#include <linux/gpio_keys.h>
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#include <linux/input.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <mach/at91sam9_smc.h>
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#include <mach/hardware.h>
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#include "at91_aic.h"
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#include "board.h"
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#include "sam9_smc.h"
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#include "generic.h"
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#include "gsia18s.h"
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#include "stamp9g20.h"
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#include "gpio.h"
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static void __init gsia18s_init_early(void)
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{
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stamp9g20_init_early();
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}
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/*
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* Two USB Host ports
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*/
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static struct at91_usbh_data __initdata usbh_data = {
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.ports = 2,
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.vbus_pin = {-EINVAL, -EINVAL},
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.overcurrent_pin= {-EINVAL, -EINVAL},
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};
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/*
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* USB Device port
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*/
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static struct at91_udc_data __initdata udc_data = {
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.vbus_pin = AT91_PIN_PA22,
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.pullup_pin = -EINVAL, /* pull-up driven by UDC */
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};
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/*
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* MACB Ethernet device
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*/
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static struct macb_platform_data __initdata macb_data = {
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.phy_irq_pin = AT91_PIN_PA28,
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.is_rmii = 1,
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};
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/*
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* LEDs and GPOs
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*/
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static struct gpio_led gpio_leds[] = {
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{
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.name = "gpo:spi1reset",
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.gpio = AT91_PIN_PC1,
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.active_low = 0,
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.default_trigger = "none",
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.default_state = LEDS_GPIO_DEFSTATE_OFF,
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},
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{
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.name = "gpo:trig_net_out",
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.gpio = AT91_PIN_PB20,
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.active_low = 0,
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.default_trigger = "none",
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.default_state = LEDS_GPIO_DEFSTATE_OFF,
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},
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{
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.name = "gpo:trig_net_dir",
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.gpio = AT91_PIN_PB19,
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.active_low = 0,
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.default_trigger = "none",
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.default_state = LEDS_GPIO_DEFSTATE_OFF,
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},
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{
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.name = "gpo:charge_dis",
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.gpio = AT91_PIN_PC2,
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.active_low = 0,
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.default_trigger = "none",
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.default_state = LEDS_GPIO_DEFSTATE_OFF,
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},
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{
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.name = "led:event",
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.gpio = AT91_PIN_PB17,
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.active_low = 1,
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.default_trigger = "none",
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.default_state = LEDS_GPIO_DEFSTATE_OFF,
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},
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{
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.name = "led:lan",
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.gpio = AT91_PIN_PB18,
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.active_low = 1,
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.default_trigger = "none",
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.default_state = LEDS_GPIO_DEFSTATE_OFF,
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},
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{
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.name = "led:error",
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.gpio = AT91_PIN_PB16,
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.active_low = 1,
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.default_trigger = "none",
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.default_state = LEDS_GPIO_DEFSTATE_ON,
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}
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};
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static struct gpio_led_platform_data gpio_led_info = {
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.leds = gpio_leds,
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.num_leds = ARRAY_SIZE(gpio_leds),
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};
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static struct platform_device leds = {
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.name = "leds-gpio",
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.id = 0,
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.dev = {
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.platform_data = &gpio_led_info,
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}
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};
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static void __init gsia18s_leds_init(void)
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{
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platform_device_register(&leds);
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}
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/* PCF8574 0x20 GPIO - U1 on the GS_IA18-CB_V3 board */
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static struct gpio_led pcf_gpio_leds1[] = {
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{ /* bit 0 */
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.name = "gpo:hdc_power",
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.gpio = PCF_GPIO_HDC_POWER,
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.active_low = 0,
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.default_trigger = "none",
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.default_state = LEDS_GPIO_DEFSTATE_OFF,
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},
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{ /* bit 1 */
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.name = "gpo:wifi_setup",
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.gpio = PCF_GPIO_WIFI_SETUP,
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.active_low = 1,
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.default_trigger = "none",
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.default_state = LEDS_GPIO_DEFSTATE_OFF,
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},
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{ /* bit 2 */
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.name = "gpo:wifi_enable",
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.gpio = PCF_GPIO_WIFI_ENABLE,
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.active_low = 1,
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.default_trigger = "none",
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.default_state = LEDS_GPIO_DEFSTATE_OFF,
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},
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{ /* bit 3 */
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.name = "gpo:wifi_reset",
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.gpio = PCF_GPIO_WIFI_RESET,
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.active_low = 1,
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.default_trigger = "none",
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.default_state = LEDS_GPIO_DEFSTATE_ON,
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},
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/* bit 4 used as GPI */
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{ /* bit 5 */
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.name = "gpo:gps_setup",
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.gpio = PCF_GPIO_GPS_SETUP,
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.active_low = 1,
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.default_trigger = "none",
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.default_state = LEDS_GPIO_DEFSTATE_OFF,
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},
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{ /* bit 6 */
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.name = "gpo:gps_standby",
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.gpio = PCF_GPIO_GPS_STANDBY,
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.active_low = 0,
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.default_trigger = "none",
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.default_state = LEDS_GPIO_DEFSTATE_ON,
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},
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{ /* bit 7 */
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.name = "gpo:gps_power",
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.gpio = PCF_GPIO_GPS_POWER,
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.active_low = 0,
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.default_trigger = "none",
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.default_state = LEDS_GPIO_DEFSTATE_OFF,
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}
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};
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static struct gpio_led_platform_data pcf_gpio_led_info1 = {
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.leds = pcf_gpio_leds1,
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.num_leds = ARRAY_SIZE(pcf_gpio_leds1),
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};
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static struct platform_device pcf_leds1 = {
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.name = "leds-gpio", /* GS_IA18-CB_board */
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.id = 1,
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.dev = {
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.platform_data = &pcf_gpio_led_info1,
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}
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};
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/* PCF8574 0x22 GPIO - U1 on the GS_2G_OPT1-A_V0 board (Alarm) */
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static struct gpio_led pcf_gpio_leds2[] = {
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{ /* bit 0 */
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.name = "gpo:alarm_1",
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.gpio = PCF_GPIO_ALARM1,
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.active_low = 1,
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.default_trigger = "none",
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.default_state = LEDS_GPIO_DEFSTATE_OFF,
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},
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{ /* bit 1 */
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.name = "gpo:alarm_2",
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.gpio = PCF_GPIO_ALARM2,
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.active_low = 1,
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.default_trigger = "none",
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.default_state = LEDS_GPIO_DEFSTATE_OFF,
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},
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{ /* bit 2 */
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.name = "gpo:alarm_3",
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.gpio = PCF_GPIO_ALARM3,
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.active_low = 1,
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.default_trigger = "none",
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.default_state = LEDS_GPIO_DEFSTATE_OFF,
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},
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{ /* bit 3 */
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.name = "gpo:alarm_4",
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.gpio = PCF_GPIO_ALARM4,
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.active_low = 1,
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.default_trigger = "none",
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.default_state = LEDS_GPIO_DEFSTATE_OFF,
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},
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/* bits 4, 5, 6 not used */
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{ /* bit 7 */
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.name = "gpo:alarm_v_relay_on",
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.gpio = PCF_GPIO_ALARM_V_RELAY_ON,
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.active_low = 0,
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.default_trigger = "none",
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.default_state = LEDS_GPIO_DEFSTATE_OFF,
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},
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};
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static struct gpio_led_platform_data pcf_gpio_led_info2 = {
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.leds = pcf_gpio_leds2,
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.num_leds = ARRAY_SIZE(pcf_gpio_leds2),
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};
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static struct platform_device pcf_leds2 = {
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.name = "leds-gpio",
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.id = 2,
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.dev = {
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.platform_data = &pcf_gpio_led_info2,
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}
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};
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/* PCF8574 0x24 GPIO U1 on the GS_2G-OPT23-A_V0 board (Modem) */
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static struct gpio_led pcf_gpio_leds3[] = {
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{ /* bit 0 */
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.name = "gpo:modem_power",
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.gpio = PCF_GPIO_MODEM_POWER,
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.active_low = 1,
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.default_trigger = "none",
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.default_state = LEDS_GPIO_DEFSTATE_OFF,
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},
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/* bits 1 and 2 not used */
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{ /* bit 3 */
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.name = "gpo:modem_reset",
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.gpio = PCF_GPIO_MODEM_RESET,
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.active_low = 1,
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.default_trigger = "none",
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.default_state = LEDS_GPIO_DEFSTATE_ON,
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},
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/* bits 4, 5 and 6 not used */
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{ /* bit 7 */
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.name = "gpo:trx_reset",
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.gpio = PCF_GPIO_TRX_RESET,
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.active_low = 1,
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.default_trigger = "none",
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.default_state = LEDS_GPIO_DEFSTATE_ON,
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}
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};
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static struct gpio_led_platform_data pcf_gpio_led_info3 = {
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.leds = pcf_gpio_leds3,
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.num_leds = ARRAY_SIZE(pcf_gpio_leds3),
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};
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static struct platform_device pcf_leds3 = {
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.name = "leds-gpio",
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.id = 3,
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.dev = {
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.platform_data = &pcf_gpio_led_info3,
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}
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};
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static void __init gsia18s_pcf_leds_init(void)
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{
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platform_device_register(&pcf_leds1);
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platform_device_register(&pcf_leds2);
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platform_device_register(&pcf_leds3);
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}
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/*
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* SPI busses.
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*/
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static struct spi_board_info gsia18s_spi_devices[] = {
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{ /* User accessible spi0, cs0 used for communication with MSP RTC */
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.modalias = "spidev",
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.bus_num = 0,
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.chip_select = 0,
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.max_speed_hz = 580000,
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.mode = SPI_MODE_1,
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},
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{ /* User accessible spi1, cs0 used for communication with int. DSP */
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.modalias = "spidev",
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.bus_num = 1,
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.chip_select = 0,
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.max_speed_hz = 5600000,
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.mode = SPI_MODE_0,
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},
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{ /* User accessible spi1, cs1 used for communication with ext. DSP */
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.modalias = "spidev",
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.bus_num = 1,
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.chip_select = 1,
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.max_speed_hz = 5600000,
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.mode = SPI_MODE_0,
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},
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{ /* User accessible spi1, cs2 used for communication with ext. DSP */
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.modalias = "spidev",
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.bus_num = 1,
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.chip_select = 2,
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.max_speed_hz = 5600000,
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.mode = SPI_MODE_0,
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},
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{ /* User accessible spi1, cs3 used for communication with ext. DSP */
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.modalias = "spidev",
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.bus_num = 1,
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.chip_select = 3,
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.max_speed_hz = 5600000,
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.mode = SPI_MODE_0,
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}
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};
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/*
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* GPI Buttons
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*/
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static struct gpio_keys_button buttons[] = {
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{
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.gpio = GPIO_TRIG_NET_IN,
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.code = BTN_1,
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.desc = "TRIG_NET_IN",
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.type = EV_KEY,
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.active_low = 0,
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.wakeup = 1,
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},
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{ /* SW80 on the GS_IA18_S-MN board*/
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.gpio = GPIO_CARD_UNMOUNT_0,
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.code = BTN_2,
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.desc = "Card umount 0",
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.type = EV_KEY,
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.active_low = 1,
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.wakeup = 1,
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},
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{ /* SW79 on the GS_IA18_S-MN board*/
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.gpio = GPIO_CARD_UNMOUNT_1,
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.code = BTN_3,
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.desc = "Card umount 1",
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.type = EV_KEY,
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.active_low = 1,
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.wakeup = 1,
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},
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{ /* SW280 on the GS_IA18-CB board*/
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.gpio = GPIO_KEY_POWER,
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.code = KEY_POWER,
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.desc = "Power Off Button",
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.type = EV_KEY,
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.active_low = 0,
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.wakeup = 1,
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}
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};
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static struct gpio_keys_platform_data button_data = {
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.buttons = buttons,
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.nbuttons = ARRAY_SIZE(buttons),
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};
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static struct platform_device button_device = {
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.name = "gpio-keys",
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.id = -1,
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.num_resources = 0,
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.dev = {
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.platform_data = &button_data,
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}
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};
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static void __init gsia18s_add_device_buttons(void)
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{
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at91_set_gpio_input(GPIO_TRIG_NET_IN, 1);
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at91_set_deglitch(GPIO_TRIG_NET_IN, 1);
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at91_set_gpio_input(GPIO_CARD_UNMOUNT_0, 1);
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at91_set_deglitch(GPIO_CARD_UNMOUNT_0, 1);
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at91_set_gpio_input(GPIO_CARD_UNMOUNT_1, 1);
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at91_set_deglitch(GPIO_CARD_UNMOUNT_1, 1);
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at91_set_gpio_input(GPIO_KEY_POWER, 0);
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at91_set_deglitch(GPIO_KEY_POWER, 1);
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platform_device_register(&button_device);
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}
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/*
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* I2C
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*/
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static int pcf8574x_0x20_setup(struct i2c_client *client, int gpio,
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unsigned int ngpio, void *context)
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{
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int status;
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status = gpio_request(gpio + PCF_GPIO_ETH_DETECT, "eth_det");
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if (status < 0) {
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pr_err("error: can't request GPIO%d\n",
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gpio + PCF_GPIO_ETH_DETECT);
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return status;
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}
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status = gpio_direction_input(gpio + PCF_GPIO_ETH_DETECT);
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if (status < 0) {
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pr_err("error: can't setup GPIO%d as input\n",
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gpio + PCF_GPIO_ETH_DETECT);
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return status;
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}
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status = gpio_export(gpio + PCF_GPIO_ETH_DETECT, false);
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if (status < 0) {
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pr_err("error: can't export GPIO%d\n",
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gpio + PCF_GPIO_ETH_DETECT);
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return status;
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}
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status = gpio_sysfs_set_active_low(gpio + PCF_GPIO_ETH_DETECT, 1);
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if (status < 0) {
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pr_err("error: gpio_sysfs_set active_low(GPIO%d, 1)\n",
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gpio + PCF_GPIO_ETH_DETECT);
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return status;
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}
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return 0;
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}
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static int pcf8574x_0x20_teardown(struct i2c_client *client, int gpio,
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unsigned ngpio, void *context)
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{
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gpio_free(gpio + PCF_GPIO_ETH_DETECT);
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return 0;
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}
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static struct pcf857x_platform_data pcf20_pdata = {
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.gpio_base = GS_IA18_S_PCF_GPIO_BASE0,
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.n_latch = (1 << 4),
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.setup = pcf8574x_0x20_setup,
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.teardown = pcf8574x_0x20_teardown,
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};
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static struct pcf857x_platform_data pcf22_pdata = {
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.gpio_base = GS_IA18_S_PCF_GPIO_BASE1,
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};
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static struct pcf857x_platform_data pcf24_pdata = {
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.gpio_base = GS_IA18_S_PCF_GPIO_BASE2,
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};
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static struct i2c_board_info __initdata gsia18s_i2c_devices[] = {
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{ /* U1 on the GS_IA18-CB_V3 board */
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I2C_BOARD_INFO("pcf8574", 0x20),
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.platform_data = &pcf20_pdata,
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},
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{ /* U1 on the GS_2G_OPT1-A_V0 board (Alarm) */
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I2C_BOARD_INFO("pcf8574", 0x22),
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.platform_data = &pcf22_pdata,
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},
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{ /* U1 on the GS_2G-OPT23-A_V0 board (Modem) */
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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
|