linux-kernel - [PATCH v5 0/3] Add SDM660 LPASS LPI TLMM

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Message-Id: <20250903-sdm660-lpass-lpi-v5-0-fe171098b6a1@mainlining.org>
Date: Wed, 03 Sep 2025 16:39:00 +0300
From: Nickolay Goppen <setotau@...nlining.org>
To: Bjorn Andersson <andersson@...nel.org>, 
 Linus Walleij <linus.walleij@...aro.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Nickolay Goppen <setotau@...nlining.org>
Cc: linux-arm-msm@...r.kernel.org, linux-gpio@...r.kernel.org, 
 linux-kernel@...r.kernel.org, devicetree@...r.kernel.org, 
 ~postmarketos/upstreaming@...ts.sr.ht, linux@...nlining.org, 
 Nickolay Goppen <setotau@...dex.ru>, 
 Richard Acayan <mailingradian@...il.com>
Subject: [PATCH v5 0/3] Add SDM660 LPASS LPI TLMM

This patch series adds SDM660 LPASS LPI TLMM pinctrl driver and
introduces pin_offset field for LPI pinctrl drivers to support
SDM660's quirky pin_offsets taken from an array with 
predefined offsets from downstream [1].

[1] https://git.codelinaro.org/clo/la/kernel/msm-4.4/-/blob/LA.UM.7.2.c27-07400-sdm660.0/drivers/pinctrl/qcom/pinctrl-lpi.c#L107

Signed-off-by: Nickolay Goppen <setotau@...dex.ru>
---
Changes in v5:
- As suggested by Konrad Dybcio Renamed pdm_2_gpios to pdm_tx, dmic12 and dmic34 to dmic1_[clk, data] and dmic2_[clk, data].
- As suggested by Krzysztof Kozlowski Added pinmux nodes to dt-binding example.
- Link to v4: https://lore.kernel.org/r/20250828-sdm660-lpass-lpi-v4-0-af4afdd52965@yandex.ru

Changes in v4:
- Replaced pin_offset callback with a pin_offset field in lpi_pingroup struct.
- Introduced LPI_PINGROUP_OFFSET macro with additional pin_offset field handling.
- Introduced LPI_FLAG_USE_PREDEFINED_PIN_OFFSET flag for indicating use of predefined pin_offsets.
- Replaced an array with offsets in SDM660 LPASS LPI TLMM driver with pin_offset defined for each pin in the new pin_offset field.
- Link to v3: https://lore.kernel.org/r/20250825-sdm660-lpass-lpi-v3-0-65d4a4db298e@yandex.ru

Changes in v3:
- Fixed compilation of LPI drivers as modules by changing pin_offset function determination logic.
- Link to v2: https://lore.kernel.org/r/20250825-sdm660-lpass-lpi-v2-0-af7739f5c27e@yandex.ru

Changes in v2:
- Extended description of "pinctrl: qcom: Add SDM660 LPASS LPI TLMM" patch.
- Resent using b4 relay
- Link to v1: https://lore.kernel.org/r/20250824-sdm660-lpass-lpi-v1-0-003d5cc28234@yandex.ru

---
Nickolay Goppen (2):
      pinctrl: qcom: lpass-lpi: Add ability to use custom pin offsets
      dt-bindings: pinctrl: qcom: Add SDM660 LPI pinctrl

Richard Acayan (1):
      pinctrl: qcom: Add SDM660 LPASS LPI TLMM

 .../pinctrl/qcom,sdm660-lpass-lpi-pinctrl.yaml     | 109 ++++++++++++++
 drivers/pinctrl/qcom/Kconfig                       |  10 ++
 drivers/pinctrl/qcom/Makefile                      |   1 +
 drivers/pinctrl/qcom/pinctrl-lpass-lpi.c           |  18 ++-
 drivers/pinctrl/qcom/pinctrl-lpass-lpi.h           |  18 +++
 drivers/pinctrl/qcom/pinctrl-sdm660-lpass-lpi.c    | 161 +++++++++++++++++++++
 6 files changed, 315 insertions(+), 2 deletions(-)
---
base-commit: ef67c54a170cee962b09c638514d55790b68bdf5
change-id: 20250824-sdm660-lpass-lpi-a8b02a23861a

Best regards,
-- 
Nickolay Goppen <setotau@...nlining.org>