3.3v | 5v
UART2_TX	i2c3_SDA	i2s3_MCLK	229		TWI3-SDA	PH5  | 5v
			i2c3_SCK	spdif_OUT	228		TWI3-SCK	PH4  | GND
nand0_DQ6	mmc2_D4					73					PC9  | PH2		UART5_TX	226		PWM2	i2c2_SCK		spdif_MCLK
														GND  | PH3		UART5_RX	227		PWM1	i2c2_SDA
nand0_RB0	mmc2_CMD				70					PC6  | PC11					75		nand0_DQ4	mmc2_D5
nand0_RE	mmc2_CLK				69					PC5	 | GND
nand0_DQ7	mmc2_D3					72					PC8	 | PC15					79		nand0_DQ1	mmc2_D2
														3.3v | PC14					78		nand0_DQ2	mmc2_D6
UART2_RTS	i2s3_SYNC	i2c4_SDA	231		SPI1_MOSI	PH7  | GND
UART2_CTS	i2s3_dout0	i2s3_din1	232		SPI1_MISO	PH8  | PC7		SPI0_CS1	71		nand0_RB1
UART2_RX	i2s3_BCLK	i2c4_SCK	230		SPI1_CLK	PH6	 | PH9		SPI1_CS1	233		i2s3_din0	i2s3_dout1
														GND  | PC10					74		nand0_DQ5	mmc2_D0


# REF: /drivers/pinctrl/sunxi/pinctrl-sun50i-h616.c

SPI 0:
	CS_0 = PC3
	CS_1 = PC7
SPI 1:
	CS_0 = PH5
	CS_1 = PH9