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[PATCH v3 0/2] ns16550: add support for WCH CH382 and ASIX AX99100
- To: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Julien Grall <julien@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, "Stefano Stabellini" <sstabellini@xxxxxxxxxx>
- From: Jiaqing Zhao <Zhao.Jiaqing@xxxxxxx>
- Date: Mon, 11 May 2026 15:54:13 +0800
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- Cc: <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Jiaqing Zhao <Zhao.Jiaqing@xxxxxxx>
- Delivery-date: Mon, 11 May 2026 07:55:29 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
This series adds ns16550 support for two PCIe serial adapters found on
market:
- WCH (Nanjing Qinheng Microelectronics) CH382, available as
CH382 2S [1c00:3253] and CH382 2S1P [1c00:3250].
- ASIX AX99100 PCIe to Multi-I/O Controller [125b:9910].
Both chips expose 16550-compatible UARTs through PCI I/O BAR0 and
work with the existing ns16550 driver once a matching device table
entry and parameter set are added.
v3:
- New patch 2/2: add support for ASIX AX99100.
- Add forgotten Reviewed-by from Denis in patch 1/2 (WCH CH382).
v2:
- Reorder entries in ns16550_config to keep them sorted by device ID.
- Rename PCI_VENDOR_ID_WCH to PCI_VENDOR_ID_WCHIC as WCH has multiple
vendor IDs.
Jiaqing Zhao (2):
ns16550: add support for WCH CH382 serial adapters
ns16550: add support for ASIX AX99100 PCIe Multi-I/O controller
xen/drivers/char/ns16550.c | 38 ++++++++++++++++++++++++++++++++++++++
xen/include/xen/pci_ids.h | 4 ++++
2 files changed, 42 insertions(+)
--
2.53.0
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