Re: [PATCH v10 00/13] Introduce framework for SLIMbus device driver

Greg Kroah-Hartman
2017-12-13T09:25:02Z

On Mon, Dec 11, 2017 at 11:42:54PM +0000, srinivas.kandagatla-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org wrote:
> From: Srinivas Kandagatla <srinivas.kandagatla-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
>
> SLIMbus (Serial Low Power Interchip Media Bus) is a specification
> developed by MIPI (Mobile Industry Processor Interface) alliance.
> SLIMbus is a 2-wire implementation, which is used to communicate with
> peripheral components like audio-codec.
> SLIMbus uses Time-Division-Multiplexing to accommodate multiple data
> channels, and control channel. Control channel has messages to do
> device-enumeration, messages to send/receive control-data to/from
> SLIMbus devices, messages for port/channel management, and messages to
> do bandwidth allocation.
> Framework is introduced to support multiple instances of the bus
> (1 controller per bus), and multiple slave devices per controller.
> SPI and I2C frameworks, and comments from last time when I submitted
> the patches were referred-to while working on this framework.
>
> These patchsets introduce device-management, OF helpers, and messaging
> APIs, controller driver for Qualcomm's SLIMbus controller, and
> clock-pause feature for entering/exiting low-power mode for SLIMbus.
> Framework patches to do channel, port and bandwidth
> management are work-in-progress and will be sent out once these
> initial patches are accepted.
>
> These patchsets were tested on IFC6410 board with Qualcomm APQ8064
> processor using the controller driver, and a WCD9310 codec.
>
> v9: https://lkml.org/lkml/2017/12/7/289
>
> Changes from v9 to v10:
> * Added kernel-doc reference into slimbus driver api doc suggested by
> Jonathan Corbet

These all look good to me. I can take this through my tree if I get the
ack from Mark for the regmap changes.

thanks,

greg k-h
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