The following table lists the device interface features in Dragonwing IQ-615.Table : Dragonwing IQ-615 device interfaces
3xQUP v3 serial engine
Serial engine instances
QUPV3_0
QUPV3_1
Application processor QUP v3 serial engine
4
4
LPI QUP v3 serial engine
5
–
2xUSB controller
Controller address
0xa600000
0xa800000
Max speed
USB 3.x SuperSpeed
USB 2.0 high speed
HS/SS PHY power rails
L4A: VDDD_QUSB_0_HS0_0P9
L11A: VDDA_QUSB_0_HS0_1P8
L17A: VDDA_QUSB_0_HS0_3P1
L4A: VDDD_QUSB_1_HS0_0P9
L11A: VDDA_QUSB_1_HS0_1P8
L17A: VDDA_QUSB_1_HS0_3P1
1xPCIe controller
Root complex
RC0 (0x1c08000)
–
Speed
Gen2
–
Configuration space
0x40100000 (0x100000) 1 MB
–
I/O space
0x40200000 (0x100000) 1 MB
–
Base address register space (BAR)
0x40300000 (0x1fd00000) 509 MB
–
Power rails
L12A (vreg-1p2-supply)
L5A (vreg-0p9-supply)
–
Interrupts
MSI and PCI legacy interrupts
–
Power management
ASPM (L1/L1ss, L0s)
–
QUP v3 mapping to protocols and GPIOs in Dragonwing IQ-615
Dragonwing IQ-615 has three QUP v3 serial engines: two application-processor QUPs and one LPI QUP. The following table lists the protocol and GPIO mappings.
SSC QUP ownershipThe SSC QUP serial engines—SPI, UART, and I2C—are dedicated to ADSP use cases and are not accessible from Linux user space. Although their associated interface pins can be configured as GPIOs, the pins remain under ADSP ownership and cannot be accessed or controlled from the APPS/Linux domain.
Table : Dragonwing IQ-615 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
–
–
–
16
17
–
–
–
–
–
SE1
–
–
Yes
–
4
5
–
–
–
–
–
SE2
Yes
–
Yes
Yes
0
1
2
3
–
–
–
SE3
–
–
Yes
–
18
19
–
–
–
–
–
QUP_1
SE0
Yes
–
Yes
Yes
20
21
22
23
–
–
–
SE1
–
–
Yes
–
14
15
–
–
–
–
–
SE2
Yes
–
Yes
Yes
6
7
8
9
–
–
–
SE3
Yes
Yes
Yes
Yes
10
11
12
13
–
–
–
LPI_QUP
SE0
–
–
Yes
–
0
1
–
–
–
–
–
SE1
–
–
Yes
Yes
2
3
4
5
6
7
–
SE2
–
–
Yes
Yes
8
9
10
11
–
–
–
SE3
Yes
–
Yes
–
12
13
–
–
–
–
–
SE4
Yes
–
Yes
–
14
15
–
–
–
–
–
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