|  | /* Buttons */ | 
|  | #define GPIO_TRIG_NET_IN		AT91_PIN_PB21 | 
|  | #define GPIO_CARD_UNMOUNT_0		AT91_PIN_PB13 | 
|  | #define GPIO_CARD_UNMOUNT_1		AT91_PIN_PB12 | 
|  | #define GPIO_KEY_POWER			AT91_PIN_PA25 | 
|  |  | 
|  | /* PCF8574 0x20 GPIO - U1 on the GS_IA18-CB_V3 board */ | 
|  | #define GS_IA18_S_PCF_GPIO_BASE0	NR_BUILTIN_GPIO | 
|  | #define PCF_GPIO_HDC_POWER		(GS_IA18_S_PCF_GPIO_BASE0 + 0) | 
|  | #define PCF_GPIO_WIFI_SETUP		(GS_IA18_S_PCF_GPIO_BASE0 + 1) | 
|  | #define PCF_GPIO_WIFI_ENABLE		(GS_IA18_S_PCF_GPIO_BASE0 + 2) | 
|  | #define PCF_GPIO_WIFI_RESET		(GS_IA18_S_PCF_GPIO_BASE0 + 3) | 
|  | #define PCF_GPIO_ETH_DETECT		4 /* this is a GPI */ | 
|  | #define PCF_GPIO_GPS_SETUP		(GS_IA18_S_PCF_GPIO_BASE0 + 5) | 
|  | #define PCF_GPIO_GPS_STANDBY		(GS_IA18_S_PCF_GPIO_BASE0 + 6) | 
|  | #define PCF_GPIO_GPS_POWER		(GS_IA18_S_PCF_GPIO_BASE0 + 7) | 
|  |  | 
|  | /* PCF8574 0x22 GPIO - U1 on the GS_2G_OPT1-A_V0 board (Alarm) */ | 
|  | #define GS_IA18_S_PCF_GPIO_BASE1	(GS_IA18_S_PCF_GPIO_BASE0 + 8) | 
|  | #define PCF_GPIO_ALARM1			(GS_IA18_S_PCF_GPIO_BASE1 + 0) | 
|  | #define PCF_GPIO_ALARM2			(GS_IA18_S_PCF_GPIO_BASE1 + 1) | 
|  | #define PCF_GPIO_ALARM3			(GS_IA18_S_PCF_GPIO_BASE1 + 2) | 
|  | #define PCF_GPIO_ALARM4			(GS_IA18_S_PCF_GPIO_BASE1 + 3) | 
|  | /* bits 4, 5, 6 not used */ | 
|  | #define PCF_GPIO_ALARM_V_RELAY_ON	(GS_IA18_S_PCF_GPIO_BASE1 + 7) | 
|  |  | 
|  | /* PCF8574 0x24 GPIO U1 on the GS_2G-OPT23-A_V0 board (Modem) */ | 
|  | #define GS_IA18_S_PCF_GPIO_BASE2	(GS_IA18_S_PCF_GPIO_BASE1 + 8) | 
|  | #define PCF_GPIO_MODEM_POWER		(GS_IA18_S_PCF_GPIO_BASE2 + 0) | 
|  | #define PCF_GPIO_MODEM_RESET		(GS_IA18_S_PCF_GPIO_BASE2 + 3) | 
|  | /* bits 1, 2, 4, 5 not used */ | 
|  | #define PCF_GPIO_TRX_RESET		(GS_IA18_S_PCF_GPIO_BASE2 + 6) | 
|  | /* bit 7 not used */ |