Dragonwing IQ-8275 interface overview

The following table lists the device interface features for the Dragonwing IQ-8275. Table : Dragonwing IQ-8275 device interfaces

2xQUP v3 serial engine
Serial engine instances	QUPV3_0	QUPV3_1
Application processor QUP v3 serial engine	8	8
2xUSB controller
Controller address	0xa600000	0xa400000
Maximum speed	USB 3.x SuperSpeed	USB 2.0 high speed
HS/SS PHY power rails	L17A: VDDA-PHY-SUPPLY L15A: VDDA-PLL-SUPPLY L17A: VDDA-PLL-SUPPLY L18C: VDDA L19A: VDDA33-SUPPLY	L17A: VDDA-PLL-SUPPLY L17C: VDDA18-SUPPLY L19A: VDDA33-SUPPLY
2xPCIe controller
Root complex	RC1	RC0
Speed	Gen4 2L (16 GT/s)	Gen4 4L (16 GT/s)
Configuration space	0x40100000 (0x100000) 1 MB	0x60100000 (0x100000) 1 MB
I/O space	0x40200000 (0x100000) 1 MB	0x60200000 (0x100000) 1 MB
Base address register space (BAR)	0x40300000 (0x1fd00000) 509 MB	0x60300000 (0x1fd00000) 509 MB
Power rails	vreg_l6a (VDD_A_PCIE_0_CORE) vreg_l5a (VDD_A_PCIE_0_PLL_1P2)	vreg_l5a (VDD_A_PCIE_1_CORE) vreg_l6a (VDD_A_PCIE_1_PLL_1P2)
Interrupts	MSI and PCI legacy interrupts	MSI and PCI legacy interrupts
Power management	ASPM (L1/L1ss, L0s)	ASPM (L1/L1ss, L0s)

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QUP v3 mapping to protocols and GPIOs in Dragonwing IQ-8275

Dragonwing IQ-8275 has two QUP v3 serial engines. The following table lists the protocol and GPIO mapping. Table : Dragonwing IQ-8275 QUP v3 serial engine protocol mapping

QUP v3 serial engine		Protocols				QUP lane to GPIO mapping
		UART	HS UART	I2C-M	SPI-M	L0	L1	L2	L3	L4	L5	L6
QUP_0	SE0	Yes	–	Yes	Yes	17	18	19	20	–	–	–
	SE1	Yes	–	Yes	Yes	19	20	17	18	–	–	–
	SE2	Yes	Yes	Yes	Yes	33	34	35	36	–	–	–
	SE3	Yes	Yes	Yes	Yes	25	26	27	28	–	–	–
	SE4	Yes	–	Yes	Yes	29	30	31	32	–	–	–
	SE5	Yes	–	Yes	Yes	21	22	23	24	–	–	–
	SE6	Yes	–	Yes	Yes	80	81	82	83	–	–	–
	SE7	Yes	–	Yes	Yes	43	44	43	44	–	–	–
QUP_2	SE0	Yes	–	Yes	Yes	37	38	39	40	–	–	–
	SE1	Yes	–	Yes	Yes	39	40	37	38	–	–	–
	SE2	Yes	Yes	Yes	Yes	84	85	86	87	88	–	–
	SE3	Yes	Yes	Yes	Yes	41	42	41	42	–	–	–
	SE4	Yes	–	Yes	Yes	45	46	47	48	–	–	–
	SE5	Yes	–	Yes	Yes	49	50	51	52	–	–	–
	SE6	Yes	–	Yes	Yes	89	90	91	92	–	–	–
	SE7	Yes	–	Yes	Yes	91	92	89	90	–	–	–