On Tue, Sep 08, 2026 at 06:31:28PM +0800, zjzhao@edatec.cn wrote:
> From: Zi Jie Zhao <zjzhao@edatec.cn>
> 
> Add a DT binding for the WK2xxx SPI to UART bridge ICs (WK2124, WK2132,
> WK2168, WK2202 and WK2204) from Chengdu Weikai Microelectronics (WKmic).
> Describe each UART channel with a serial@N child node carrying its serial
> and RS-485 properties. Register the wkmic vendor prefix based on the vendor
> website http://www.wkmic.com/.
> 
> Differentiate compatible strings by channel count and
> register availability. Account for missing hardware flow-control and
> RS-485 registers on WK2132 and WK2202. Reject serial@2 and serial@3 on the
> two-channel members.
> 
> Require the standard clocks property for the single external reference
> clock used by the chips.
> 
> Signed-off-by: Zi Jie Zhao <zjzhao@edatec.cn>

Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
pw-bot: not-applicable