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platforms/arty: add usb_uart_pmod_io (USB-UART PMOD on JA) to ease debug with a second UART (for UARTbone/LiteScope). 

Also use pmod connector names in i2s_pmod and sdcard_pmod.
This commit is contained in:
Florent Kermarrec 2020-07-22 14:41:09 +02:00
parent 19d0b95867
commit e723bef49a
1 changed files with 26 additions and 16 deletions
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42
litex_boards/platforms/arty.py
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@ -145,21 +145,31 @@ _io = [
),
]
_usb_uart_pmod_io = [
# USB-UART PMOD on JA:
# - https://store.digilentinc.com/pmod-usbuart-usb-to-uart-interface/
("usb_uart", 0,
Subsignal("tx", Pins("pmoda:1")),
Subsignal("rx", Pins("pmoda:2")),
IOStandard("LVCMOS33")
),
]
_i2s_pmod_io = [
# I2S PMOD on JD:
# - https://store.digilentinc.com/pmod-i2s2-stereo-audio-input-and-output/
("i2s_rx_mclk", 0, Pins("E2"), IOStandard("LVCMOS33")),
("i2s_rx_mclk", 0, Pins("pmodd:4"), IOStandard("LVCMOS33")),
("i2s_rx", 0,
Subsignal("clk", Pins("H2")),
Subsignal("sync", Pins("D2")),
Subsignal("rx", Pins("G2")),
Subsignal("clk", Pins("pmodd:6")),
Subsignal("sync", Pins("pmodd:5")),
Subsignal("rx", Pins("pmodd:7")),
IOStandard("LVCMOS33"),
),
("i2s_tx_mclk", 0, Pins("D4"), IOStandard("LVCMOS33")),
("i2s_tx_mclk", 0, Pins("pmodd:0"), IOStandard("LVCMOS33")),
("i2s_tx", 0,
Subsignal("clk",Pins("F4")),
Subsignal("sync", Pins("D3")),
Subsignal("tx", Pins("F3")),
Subsignal("clk",Pins("pmodd:2")),
Subsignal("sync", Pins("pmodd:1")),
Subsignal("tx", Pins("pmodd:3")),
IOStandard("LVCMOS33"),
),
]
@ -169,18 +179,18 @@ _sdcard_pmod_io = [
# - https://store.digilentinc.com/pmod-microsd-microsd-card-slot/
# - https://github.com/antmicro/arty-expansion-board
("spisdcard", 0,
Subsignal("clk", Pins("F3")),
Subsignal("mosi", Pins("D3"), Misc("PULLUP True")),
Subsignal("cs_n", Pins("D4"), Misc("PULLUP True")),
Subsignal("miso", Pins("F4"), Misc("PULLUP True")),
Subsignal("clk", Pins("pmodd:3")),
Subsignal("mosi", Pins("pmodd:1"), Misc("PULLUP True")),
Subsignal("cs_n", Pins("pmodd:0"), Misc("PULLUP True")),
Subsignal("miso", Pins("pmodd:2"), Misc("PULLUP True")),
Misc("SLEW=FAST"),
IOStandard("LVCMOS33"),
),
("sdcard", 0,
Subsignal("data", Pins("F4 E2 D2 D4"), Misc("PULLUP True")),
Subsignal("cmd", Pins("D3"), Misc("PULLUP True")),
Subsignal("clk", Pins("F3")),
Subsignal("cd", Pins("H2")),
Subsignal("data", Pins("pmodd:2 pmodd:4 pmodd:5 pmodd:0"), Misc("PULLUP True")),
Subsignal("cmd", Pins("pmodd:1"), Misc("PULLUP True")),
Subsignal("clk", Pins("pmodd:3")),
Subsignal("cd", Pins("pmodd:6")),
Misc("SLEW=FAST"),
IOStandard("LVCMOS33"),
),