linux-kernel - [PATCH v3 0/2] pinctrl: qcom: Add sm8250 lpass lpi pinctrl support

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Message-Id: <20201109130135.28589-1-srinivas.kandagatla@linaro.org>
Date:   Mon,  9 Nov 2020 13:01:33 +0000
From:   Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To:     linus.walleij@...aro.org, bjorn.andersson@...aro.org,
        robh+dt@...nel.org
Cc:     agross@...nel.org, linux-arm-msm@...r.kernel.org,
        linux-gpio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Subject: [PATCH v3 0/2] pinctrl: qcom: Add sm8250 lpass lpi pinctrl support

This patch adds support for LPASS (Low Power Audio SubSystem)
LPI (Low Power Island) pinctrl on SM8250.

This patch has been tested on support to Qualcomm Robotics RB5 Development
Kit based on QRB5165 Robotics SoC. This board has 2 WSA881X smart speakers
with onboard DMIC connected to internal LPASS codec via WSA  and VA macros
respectively.

Most of the work is derived from downstream Qualcomm kernels.
Credits to various Qualcomm authors from Patrick Lai's team who have
contributed to this code.

Am guessing existing qcom folder should cover maintining this driver too!
If not I can send additional patch to consolidate this along with other
Audio related drivers in Maintainer file!

Changes since v2:
 - addressed various coding style related comments by Andy Shevchenko
 - moved to devm  and bluk apis as suggested by Andy Shevchenko
 - moved slew offset to group struct for more clarity
 - updated comment log to reflect few similarities between other msm TLMM blocks.

Srinivas Kandagatla (2):
  dt-bindings: pinctrl: qcom: Add sm8250 lpass lpi pinctrl bindings
  pinctrl: qcom: Add sm8250 lpass lpi pinctrl driver

 .../pinctrl/qcom,lpass-lpi-pinctrl.yaml       | 129 +++
 drivers/pinctrl/qcom/Kconfig                  |   8 +
 drivers/pinctrl/qcom/Makefile                 |   1 +
 drivers/pinctrl/qcom/pinctrl-lpass-lpi.c      | 734 ++++++++++++++++++
 4 files changed, 872 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/pinctrl/qcom,lpass-lpi-pinctrl.yaml
 create mode 100644 drivers/pinctrl/qcom/pinctrl-lpass-lpi.c

-- 
2.21.0