BPI-M2 Berry GPIO Pin define

BPI-M2 Berry have 40 PIN GPIO as raspberry pi.

Banana Pi has a 40-pin GPIO header that matches that of the Model B+ Raspberry Pi. Following is the Banana Pi GPIO Pinout:

	GPIO Pin Name	Default Function	Function2：GPIO	Function3
		CON1-P01	VCC-3V3
		CON1-P02	DCIN
	CON1-P03	TWI2-SDA	PB21	PWM5
		CON1-P04	DCIN
	CON1-P05	TWI2-SCK	PB20	PWM4
		CON1-P06	GND
	CON1-P07	PB3	PB3	PWM1
	CON1-P08	UART2-TX	PI18	SPI1_MOSI
		CON1-P09	GND
	CON1-P10	UART2-RX	PI19	SPI1_MISO
	CON1-P11	UART7-TX	PI20	PWM2
	CON1-P12	UART2-CTS	PI17	SPI1_CLK
	CON1-P13	UART7-RX	PI21	PWM3
		CON1-P14	GND
	CON1-P15	PH25	PH25	CSI1-FIELD
	CON1-P16	UART2-RTS	PI16	SPI1_CS0
		CON1-P17	VCC-3V3
	CON1-P18	PH26	PH26	CSI1-HSYNC
	CON1-P19	SPI0_MOSI	PC0
		CON1-P20	GND
	CON1-P21	SPI0_MISO	PC1
	CON1-P22	PH27	PH27	CSI1-VSYNC
	CON1-P23	SPI0_CLK	PC2
	CON1-P24	SPI0_CS	PC23
		CON1-P25	GND
	CON1-P26	PH24	PH24	CSI1-PCLK
	CON1-P27	TWI3-SDA	PI1
	CON1-P28	TWI3-SCK	PI0
	CON1-P29	PH0	PH0	CSI1-D0
		CON1-P30	GND
	CON1-P31	PH1	PH1	CSI1-D1
	CON1-P32	PD20	PD20	CSI1-MCLK
	CON1-P33	PH2	PH2	CSI1-D2
		CON1-P34	GND
	CON1-P35	PH3	PH3	CSI1-D3
	CON1-P36	UART5-RX	PH7	CSI1-D7
	CON1-P37	UART4-TX	PH4	CSI1-D4
	CON1-P38	UART5-TX	PH6	CSI1-D6
		CON1-P39	GND
CON1-P40	UART4-RX	PH5	CSI1-D5

CSI Camera Connector specification:

The CSI Camera Connector is a 24-pin FPC connector which can connect external camera module with proper signal pin mappings. The pin definitions of the CSI interface are shown as below. This is marked on the Banana Pi board as “Camera”.

CSI Pin Name	Default Function	Function2：GPIO
CN5-P01	NC
CN5-P02	GND
CN5-P03	CSI0-SDA	PI3
	CN5-P04	CSI0-AVDD
CN5-P05	CSI0-SCK	PI2
CN5-P06	CSI0-Reset	PI7
CN5-P07	CSI0-VSYNC	PE3
CN5-P08	CSI0-PWDN	PI6
CN5-P09	CSI0-HSYNC	PE2
	CN5-P10	CSI0-DVDD
	CN5-P11	CSI0-DOVDD
CN5-P12	CSI0-D7	PE11
CN5-P13	CSI0-MCLK	PE1
CN5-P14	CSI0-D6	PE10
	CN5-P15	GND
CN5-P16	CSI0-D5	PE9
CN5-P17	CSI0-PCLK	PE0
CN5-P18	CSI0-D4	PE8
CN5-P19	CSI0-D0	PE4
CN5-P20	CSI0-D3	PE7
CN5-P21	CSI0-D1	PE5
CN5-P22	CSI0-D2	PE6
CN5-P23	GND
	CN5-P24	CSI0-AFVCC

Display specification

MIPI DSI (Display Serial Interface)

The display Connector is a 40-pin FPC connector which can connect external LCD panel (MIPI DSI) and touch screen (I2C) module as well. The pin definitions of this connector are shown as below. This is marked on the Banana Pi board as “DSI”.

	DSI Pin Name	Default Function	Function2：GPIO
		CN6-P01	VCC-3V3
		CN6-P02	IPSOUT
		CN6-P03	VCC-3V3
	CN6-P04	IPSOUT
		CN6-P05	GND
		CN6-P06	IPSOUT
		CN6-P07	GND
		CN6-P08	IPSOUT
		CN6-P09	NC
		CN6-P10	GND
		CN6-P11	NC
		CN6-P12	DSI-D0N
		CN6-P13	NC
		CN6-P14	DSI-D0P
		CN6-P15	NC
		CN6-P16	GND
	CN6-P17	TWI0-SDA	PB19
		CN6-P18	DSI-D1N
	CN6-P19	TWI0-SCK	PB18
		CN6-P20	DSI-D1P
	CN6-P21	CTP-INT	PI10
	CN6-P22	GND
	CN6-P23	CTP-RST	PI11
	CN6-P24	DSI-CKN
		CN6-P25	GND
		CN6-P26	DSI-CKP
	CN6-P27	LCD-BL-EN	PH16
		CN6-P28	GND
	CN6-P29	LCD-RST	PH17
		CN6-P30	DSI-D2N
	CN6-P31	LCD-PWR-EN	PH18
		CN6-P32	DSI-D2P
		CN6-P33	GND
		CN6-P34	GND
	CN6-P35	LCD-PWM	PB2
		CN6-P36	DSI-D3N
		CN6-P37	GND
		CN6-P38	DSI-D3P
		CN6-P39	NC
CN6-P40	GND

UART specification:

The header CON4 is the UART interface. For developers of Banana Pi, this is an easy way to get the UART console output to check the system status and log message.

	CON2 Pin Name	Default Function	GPIO
	CON2 P03	UART0-TXD
	CON2 P02	UART0-RXD
CON2 P01	GND