On Mon, Sep 22, 2025 at 01:20:41PM +0800, Ryan Chen wrote:
> This patch series adds support for the UHCI controller found on the
> Aspeed AST2700 SoC.
>
> Compared to earlier SoCs (AST2400/2500/2600), AST2700 UHCI:
> - requires a reset line to be deasserted before use
> - supports 64-bit DMA addressing
>
> This series updates the bindings and platform driver accordingly.
For patches 2/4 and 4/4:
Reviewed-by: Alan Stern <stern@rowland.harvard.edu>
Alan Stern
> v4:
> - usb-uhci.yaml
> - fix errors 'make dt_binding_check'
> - uhci-platform.c
> - remove IS_ERR_OR_NULL(uhci->rsts) check, due to reset_control_assert
> will return 0, when uhci->rsts is null.
> - use dma_mask_32 as default, and just add aspeed,ast2700-uhci for dma_64.
>
> v3:
> - uhci-platform.c
> - add reset_control_assert in uhci_hcd_platform_remove.
>
> v2:
> - usb-uhci.yaml
> - add required resets for aspeed,ast2700-uhci
> - uhci-platform.c
> - change the err_clk before err_reset.
>
> Ryan Chen (4):
> dt-bindings: usb: uhci: Add reset property
> usb: uhci: Add reset control support
> dt-bindings: usb: uhci: Add Aspeed AST2700 compatible
> usb: uhci: Add Aspeed AST2700 support
>
> .../devicetree/bindings/usb/usb-uhci.yaml | 13 ++++++++
> drivers/usb/host/uhci-hcd.h | 1 +
> drivers/usb/host/uhci-platform.c | 31 ++++++++++++++++---
> 3 files changed, 41 insertions(+), 4 deletions(-)
>
> --
> 2.34.1
>