Thread (37 messages) 37 messages, 4 authors, 27d ago

Re: [PATCH v3 2/7] dt-bindings: serial: 8250: aspeed: add aspeed,vuart-over-pci bool prop

From: Grégoire Layet <hidden>
Date: 2026-06-24 12:48:15
Also in: linux-aspeed, linux-devicetree, linux-serial, lkml

Hi Krzysztof,
What does that mean? How UART can be accessible over PCI bus?
It's a Virtual UART. Internally, it's two FIFOs accessible via
8250-compatible register sets on both ends.
There is 4 Virtuals UARTs on the LPC bus of the AST2600 and 2 of them
are bridged over the PCI bus.
So, from the host, you can access the 8250 register set on the PCI bus.
quoted
+  aspeed,vuart-over-pci:
+    type: boolean
+    default: false
There is no such syntax. Please do not introduce own style. Instead,
look at other files how this is done.
Ack. I will remove 'default: false' for the v4.
quoted
+    description: |
Do not need '|' unless you need to preserve formatting.
Acknowledged

Best regards,
Grégoire
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