linux-kernel - [PATCH v2 0/2] slimbus: Add QCOM SLIMBus NGD driver

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Date:   Fri, 25 May 2018 12:15:45 +0100
From:   Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To:     gregkh@...uxfoundation.org, robh+dt@...nel.org
Cc:     kramasub@...eaurora.org, sdharia@...cinc.com, girishm@...cinc.com,
        linux-kernel@...r.kernel.org, mark.rutland@....com,
        bgoswami@...eaurora.org, devicetree@...r.kernel.org,
        broonie@...nel.org, linux-arm-msm@...r.kernel.org,
        alsa-devel@...a-project.org, srinivas.kandagatla@...aro.org
Subject: [PATCH v2 0/2] slimbus: Add QCOM SLIMBus NGD driver

This patchset adds support to basic version of Qualcomm NGD SLIMBus
controller driver found SoCs from B family.

This controller is light-weight SLIMBus controller driver responsible for
communicating with slave HW directly over the bus using messaging
interface, and communicating with master component residing on ADSP
for bandwidth and data-channel management.

Tested this patchset on DB820c with WCD9335 codec.
I have pushed my working branch to [1] incase someone want to try.

This patch has dependency on https://lkml.org/lkml/2018/5/17/251

Changes sinc v1 (https://lwn.net/Articles/754679):
- Fixed DT binding making NGD slave of the slim controller.
- Fixed few typos spotted by Vinod.
- Removed unnessary dmaengine_slave_config suggested by Vinod
- Removed few unnessary initializations.
- fixed commit log to remove reference to B family suggested by Trilok

Thanks,
srini

[1] https://git.linaro.org/people/srinivas.kandagatla/linux.git/log/?h=slimbus-ngd

Srinivas Kandagatla (2):
  slimbus: ngd: dt-bindings: Add slim ngd dt bindings
  slimbus: ngd: Add qcom SLIMBus NGD driver

 .../bindings/slimbus/slim-ngd-qcom-ctrl.txt        |   84 ++
 drivers/slimbus/Kconfig                            |   11 +
 drivers/slimbus/Makefile                           |    3 +
 drivers/slimbus/qcom-ngd-ctrl.c                    | 1342 ++++++++++++++++++++
 drivers/slimbus/slimbus.h                          |    8 +
 5 files changed, 1448 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/slimbus/slim-ngd-qcom-ctrl.txt
 create mode 100644 drivers/slimbus/qcom-ngd-ctrl.c

-- 
2.16.2