G900 GPIO

Number	Mask	I/O	L	Alt	IRQ	Description
GPIO0
0	00000001	I	1	0	FE	gsm irq (incall ?)}
1	00000002	I	1	0
2	00000004	I	1	0
3	00000008	I	1	0	FE	BTN_Power
4	00000010	I	1	0
5	00000020	I	1	0
6	00000040	I	1	0
7	00000080	I	1	0
8	00000100	I	1	0
9	00000200	I	1	0	REFE	Keyboard open detect (1-open,0-close)
10	00000400	I	0	0	RE	handsfree button(1-press)
11	00000800	I	1	2		SSP_RXD2( finderprint sensor )
12	00001000	I	0	0	REFE	SD detect ?
13	00002000	I	0	3		KP_MKIN7
14	00004000	I	1	0	FE	WIFI IRQ
15	00008000	I	1	0	FE	connect to GoForce
16	00010000	O	0	0		Vibra (1-on)
17	00020000	O	1	2		LCD backlighting(PWM_OUT1)
18	00040000	I	1	1		RDY
19	00080000	O	1	1		SSP_CLK2( finderprint sensor )
20	00100000	I	1	1		DREQ0
21	00200000	I	1	0
22	00400000	O	1	1		KP_MKOUT7
23	00800000	O	1	0
24	01000000	O	1	0		WIFI RESET(? or STRAP)
25	02000000	O	1	0
26	04000000	O	1	0
27	08000000	O	0	0
28	10000000	I	0	1		AC97_BITCLK
29	20000000	I	0	1		AC97_SDATA_IN_0
30	40000000	O	0	2		AC97_SDATA_OUT
31	80000000	O	0	2		AC97_SYNC

---

Number	Mask	I/O	L	Alt	IRQ	Description
GPIO1
32	00000001	O	0	2		MMC_CLK
33	00000002	O	1	2		nCS5
34	00000004	O	0	3		SSP_CLK3(WIFI)
35	00000008	O	1	2		KP_MKOUT6
36	00000010	I	1	0
37	00000020	O	0	0		LED_flashlight (1-on)
38	00000040	O	1	1		SSP_TXD3(WIFI)
39	00000080	O	1	0		WIFI SPI CS
40	00000100	I	1	0	REFE	USB detect IRQ
41	00000200	I	1	2		USB_P2_7 OTG ID (Client = 1, host =0(up 75,93) )
42	00000400	I	1	1		BT_RXD (Bluetooth)
43	00000800	O	1	2		BT_TXD (Bluetooth)
44	00001000	I	1	1		BT_CTS (Bluetooth)
45	00002000	O	1	2		BT_RTS (Bluetooth)
46	00004000	I	1	0
47	00008000	O	0	0
48	00010000	O	0	0
49	00020000	O	1	2		nPWE(connect to GoForce)
50	00040000	O	0	0
51	00080000	I	1	0	REFE	JackInsert (0-detect)
52	00100000	O	0	0
53	00200000	I	0	0
54	00400000	O	0	0		Cam power (1 - on)
55	00800000	I	1	0
56	01000000	O	0	0
57	02000000	I	1	0
58	04000000	I	1	0
59	08000000	I	1	0
60	10000000	I	1	0
61	20000000	I	1	0
62	40000000	I	0	0
63	80000000	I	1	0

---

---

Number	Mask	I/O	L	Alt	IRQ	Description
GPIO2
64	00000001	I	0	0
65	00000002	I	1	0
66	00000004	I	1	0
67	00000008	I	1	0
68	00000010	I	1	0
69	00000020	I	1	0
70	00000040	I	1	0
71	00000080	I	1	0
72	00000100	I	1	0
73	00000200	I	1	0
74	00000400	O	1	0
75	00000800	O	0	0		?USB host en?
76	00001000	I	1	0	FE	TS irq
77	00002000	O	1	0		wifi related ?
78	00004000	O	1	2		#CS2
79	00008000	O	1	0
80	00010000	O	1	2		#CS4
81	00020000	I	1	0
82	00040000	I	1	1		SSPRXD3	wifi ?
83	00080000	O	0	0		? BT related ?
84	00100000	O	1	0		SD power ?
85	00200000	O	0	0		Keyboard LED
86	00400000	O	0	0		Keypad LED
87	00800000	O	0	1		SSPTXD2
88	01000000	O	1	3		SSPSFRM2
89	02000000	O	1	1		AC97_SYSCLK
90	04000000	O	0	0		observed
91	08000000	O	0	0		observed
92	10000000	O	0	1		MMDAT0
93	20000000	O	0	0		?USB host en?
94	40000000	O	1	0
95	80000000	I	0	3		KP_MKIN6

---

Number	Mask	I/O	L	Alt	IRQ	Description
GPIO3
96	00000001	I	0	0	FE
97	00000002	I	0	3		KP_MKIN3
98	00000004	I	0	3		KP_MKIN4
99	00000008	I	0	3		KP_MKIN5
100	00000010	I	0	1		KP_MKIN0
101	00000020	I	0	1		KP_MKIN1
102	00000040	I	0	1		KP_MKIN2
103	00000080	O	1	2		KP_MKOUT0
104	00000100	O	1	2		KP_MKOUT1
105	00000200	O	1	2		KP_MKOUT2
106	00000400	O	1	2		KP_MKOUT3
107	00000800	O	1	2		KP_MKOUT4
108	00001000	O	1	2		KP_MKOUT5
109	00002000	O	1	1		MMDAT1
110	00004000	O	1	1		MMDAT2
111	00008000	O	1	1		MMDAT3
112	00010000	O	1	1		MMCMD
113	00020000	O	1	0		AC97_nRESET ?
114	00040000	O	0	0		? BT related ?
115	00080000	O	0	0
116	00100000	I	0	0
117	00200000	O	1	1		SCL
118	00400000	O	1	1		SDA
119	00800000	I	1	0