linux-kernel - [PATCH v5 0/2] pinctrl: qcom: Add sm8250 lpass lpi pinctrl support

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Message-Id: <20201201142830.13152-1-srinivas.kandagatla@linaro.org>
Date:   Tue,  1 Dec 2020 14:28:28 +0000
From:   Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To:     linus.walleij@...aro.org, bjorn.andersson@...aro.org
Cc:     robh+dt@...nel.org, 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@...aro.org
Subject: [PATCH v5 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 v4:
	- added Rob's review
	- updated slew reg range
	- used u32p_replace_bits
	- sorted pin functions and its defines
	- address various trivial comments from Bjorn

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       | 132 ++++
 drivers/pinctrl/qcom/Kconfig                  |   8 +
 drivers/pinctrl/qcom/Makefile                 |   1 +
 drivers/pinctrl/qcom/pinctrl-lpass-lpi.c      | 727 ++++++++++++++++++
 4 files changed, 868 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