linux-kernel - [GIT PULL] pwm: Changes for v6.18-rc1

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Message-ID: <jeblxobrtuzcsgs3r7g5fxvpmauttof3qzrlvlaglueg4ls4ea@dk7kpwkplno2>
Date: Mon, 29 Sep 2025 07:41:38 +0200
From: Uwe Kleine-König <u.kleine-koenig@...libre.com>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Lee Jones <lee@...nel.org>, linux-pwm@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: [GIT PULL] pwm: Changes for v6.18-rc1

Hello Linus,

the following changes since commit 8f5ae30d69d7543eee0d70083daf4de8fe15d585:

  Linux 6.17-rc1 (2025-08-10 19:41:16 +0300)

are available in the Git repository at:

  https://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux.git tags/pwm/for-6.18-rc1

for you to fetch changes up to 8f2689f194b8d1bff41150ae316abdfccf191309:

  pwm: cros-ec: Avoid -Wflex-array-member-not-at-end warnings (2025-09-15 11:39:47 +0200)

----------------------------------------------------------------
pwm: Changes for v6.18-rc1

The core highlights for this cycle are:

 - The pca9586 driver was converted to the waveform API.
 - Waveform drivers automatically provide a gpio chip to make PWMs
   usable as GPIOs. (The pca9586 driver did that in a driver specific
   implementation before.)

Otherwise it's the usual mix of fixes and device tree and driver changes
to support new hardware variants.

----------------------------------------------------------------

There is an immutable branch pending for this merge window that was
created by Lee at

	git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd.git ib-mfd-gpio-input-pinctrl-pwm-v6.18

. I didn't add it here because it merges cleanly into my tree; you'll get
it via Lee's PR and probably others, too. (For the next time such a
situation arises: Would you prefer me including such a merge anyhow?)

Otherwise this PR should be boring for you
(https://www.youtube.com/watch?v=V_ioxeU7Kpw). Diffstat below as usual.

Thanks to all contributors!

Best regards
Uwe

Colin Ian King (1):
      pwm: Fix incorrect variable used in error message

Daniel Lezcano (1):
      dt-bindings: pwm: fsl,vf610-ftm-pwm: Add compatible for s32g2 and s32g3

Ghennadi Procopciuc (1):
      pwm: Add the S32G support in the Freescale FTM driver

Gustavo A. R. Silva (1):
      pwm: cros-ec: Avoid -Wflex-array-member-not-at-end warnings

Ivaylo Ivanov (1):
      dt-bindings: pwm: samsung: add exynos8890 compatible

Janne Grunau (1):
      dt-bindings: pwm: apple,s5l-fpwm: Add t6020-fpwm compatible

Jisheng Zhang (1):
      pwm: berlin: Fix wrong register in suspend/resume

Krzysztof Kozlowski (1):
      dt-bindings: pwm: nxp,lpc1850-sct-pwm: Minor whitespace cleanup in example

Uwe Kleine-König (21):
      pwm: tiehrpwm: Don't drop runtime PM reference in .free()
      pwm: tiehrpwm: Make code comment in .free() more useful
      pwm: tiehrpwm: Fix various off-by-one errors in duty-cycle calculation
      pwm: tiehrpwm: Fix corner case in clock divisor calculation
      dt-bindings: timer: renesas,rz-mtu3: Use #pwm-cells = <3>
      pwm: Disable PWM_DEBUG check for disabled states
      pwm: Check actual period and duty_cycle for ignored polarity test
      pwm: Provide a gpio device for waveform drivers
      pwm: tiecap: Document behaviour of hardware disable
      pwm: mediatek: Simplify representation of channel offsets
      pwm: mediatek: Introduce and use a few more register defines
      pwm: mediatek: Rework parameters for clk helper function
      pwm: mediatek: Initialize clks when the hardware is enabled at probe time
      pwm: mediatek: Implement .get_state() callback
      pwm: mediatek: Fix various issues in the .apply() callback
      pwm: mediatek: Lock and cache clock rate
      pwm: pca9685: Don't disable hardware in .free()
      pwm: pca9685: Use bulk write to atomicially update registers
      pwm: pca9685: Make use of register caching in regmap
      pwm: pca9685: Drop GPIO support
      pwm: pca9586: Convert to waveform API

Xi Ruoyao (1):
      pwm: loongson: Fix LOONGSON_PWM_FREQ_DEFAULT

 .../devicetree/bindings/pwm/apple,s5l-fpwm.yaml    |   3 +-
 .../devicetree/bindings/pwm/fsl,vf610-ftm-pwm.yaml |  11 +-
 .../bindings/pwm/nxp,lpc1850-sct-pwm.yaml          |   2 +-
 .../devicetree/bindings/pwm/pwm-samsung.yaml       |   1 +
 .../devicetree/bindings/timer/renesas,rz-mtu3.yaml |   7 +-
 drivers/pwm/Kconfig                                |   9 +
 drivers/pwm/core.c                                 | 108 +++-
 drivers/pwm/pwm-berlin.c                           |   4 +-
 drivers/pwm/pwm-cros-ec.c                          |  10 +-
 drivers/pwm/pwm-fsl-ftm.c                          |  35 +-
 drivers/pwm/pwm-loongson.c                         |   2 +-
 drivers/pwm/pwm-mediatek.c                         | 312 ++++++++----
 drivers/pwm/pwm-pca9685.c                          | 555 +++++++++------------
 drivers/pwm/pwm-tiecap.c                           |   4 +
 drivers/pwm/pwm-tiehrpwm.c                         | 154 +++---
 include/linux/pwm.h                                |   3 +
 16 files changed, 683 insertions(+), 537 deletions(-)

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