linux-kernel - [PATCH v3 00/11] ASoC: Add support to WCD9340/WCD9341 codec

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Message-Id: <20191029112700.14548-1-srinivas.kandagatla@linaro.org>
Date:   Tue, 29 Oct 2019 11:26:49 +0000
From:   Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To:     robh@...nel.org, broonie@...nel.org, lee.jones@...aro.org,
        linus.walleij@...aro.org
Cc:     vinod.koul@...aro.org, alsa-devel@...a-project.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        spapothi@...eaurora.org, bgoswami@...eaurora.org,
        linux-gpio@...r.kernel.org,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Subject: [PATCH v3 00/11] ASoC: Add support to WCD9340/WCD9341 codec

This patchset adds support to Qualcomm WCD9340/WCD9341 Codec which
is a standalone Hi-Fi audio codec IC.
This codec supports both I2S/I2C and SLIMbus audio interfaces.
On slimbus interface it supports two data lanes; 16 Tx ports
and 8 Rx ports. It has Five DACs and seven dedicated interpolators,
Multibutton headset control (MBHC), Active noise cancellation,
Sidetone paths, MAD (mic activity detection) and codec processing engine.
It supports Class-H differential earpiece out and stereo single
ended headphones out.

This codec also has integrated SoundWire controller.
Patchset for this is already sent for review at
https://patchwork.kernel.org/cover/11185769/

This patchset has been tested on SDM845 based DragonBoard DB845c and
Lenovo Yoga C630 laptop with WSA881x smart speaker amplifiers via
soundwire and 4 DMICs.

Pin Controller patch does not have any link dependency, it can go by its own.

Most of the code in this driver is rework of Qualcomm downstream drivers
used in Andriod. Credits to Banajit Goswami and Patrick Lai's Team.

If anyone is interested to try, here are working set of patches on top of rc3.
https://git.linaro.org/people/srinivas.kandagatla/linux.git/log/?h=audio/v5.4-rc5-YOGA-C630
alsa ucm files:
https://git.linaro.org/people/srinivas.kandagatla/alsa-lib.git/log/?h=DB845c

Thanks,
srini

Changes since v2:
- Updated mfd driver as suggested by Lee.
- Updated bindings as suggested by Rob.
- Addressed various comments by Cezary Rojewski
- Cleaned up code a bit.

Srinivas Kandagatla (10):
  ASoC: dt-bindings: add dt bindings for WCD9340/WCD9341 audio codec
  mfd: wcd934x: add support to wcd9340/wcd9341 codec
  ASoC: wcd934x: add support to wcd9340/wcd9341 codec
  ASoC: wcd934x: add basic controls
  ASoC: wcd934x: add playback dapm widgets
  ASoC: wcd934x: add capture dapm widgets
  ASoC: wcd934x: add audio routings
  dt-bindings: pinctrl: qcom-wcd934x: Add bindings for gpio
  ASoC: qcom: dt-bindings: Add compatible for DB845c and Lenovo Yoga
  ASoC: qcom: sdm845: add support to DB845c and Lenovo Yoga

Yeleswarapu Nagaradhesh (1):
  pinctrl: qcom-wcd934x: Add support to wcd934x pinctrl driver.

 .../pinctrl/qcom,wcd934x-pinctrl.yaml         |   52 +
 .../devicetree/bindings/sound/qcom,sdm845.txt |    5 +-
 .../bindings/sound/qcom,wcd934x.yaml          |  162 +
 drivers/mfd/Kconfig                           |   12 +
 drivers/mfd/Makefile                          |    1 +
 drivers/mfd/wcd934x.c                         |  306 +
 drivers/pinctrl/qcom/Kconfig                  |    7 +
 drivers/pinctrl/qcom/Makefile                 |    1 +
 drivers/pinctrl/qcom/pinctrl-wcd934x-gpio.c   |  365 ++
 include/linux/mfd/wcd934x/registers.h         |  529 ++
 include/linux/mfd/wcd934x/wcd934x.h           |   31 +
 sound/soc/codecs/Kconfig                      |   10 +
 sound/soc/codecs/Makefile                     |    2 +
 sound/soc/codecs/wcd934x.c                    | 5084 +++++++++++++++++
 sound/soc/qcom/sdm845.c                       |   86 +-
 15 files changed, 6651 insertions(+), 2 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/pinctrl/qcom,wcd934x-pinctrl.yaml
 create mode 100644 Documentation/devicetree/bindings/sound/qcom,wcd934x.yaml
 create mode 100644 drivers/mfd/wcd934x.c
 create mode 100644 drivers/pinctrl/qcom/pinctrl-wcd934x-gpio.c
 create mode 100644 include/linux/mfd/wcd934x/registers.h
 create mode 100644 include/linux/mfd/wcd934x/wcd934x.h
 create mode 100644 sound/soc/codecs/wcd934x.c

-- 
2.21.0