linux-kernel - [PATCH 0/8] Add support for PWM input capture on STM32

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Message-ID: <1516106631-18722-1-git-send-email-fabrice.gasnier@st.com>
Date:   Tue, 16 Jan 2018 13:43:43 +0100
From:   Fabrice Gasnier <fabrice.gasnier@...com>
To:     <lee.jones@...aro.org>, <thierry.reding@...il.com>,
        <robh+dt@...nel.org>, <alexandre.torgue@...com>,
        <benjamin.gaignard@...aro.org>
CC:     <mark.rutland@....com>, <linux@...linux.org.uk>,
        <mcoquelin.stm32@...il.com>, <fabrice.gasnier@...com>,
        <benjamin.gaignard@...com>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <linux-pwm@...r.kernel.org>
Subject: [PATCH 0/8] Add support for PWM input capture on STM32

This series adds support for capture to stm32-pwm driver.
Capture is based on DMAs.
- First two patches are precursor patches
- Subsequent two patches add support for requesting DMAs to MFD core
- Next three patches add support for capture to stm32-pwm driver
- This has been tested on stm32429i-eval board.

Fabrice Gasnier (8):
  pwm: stm32: fix, remove unused struct device
  pwm: stm32: protect common prescaler for all channels
  dt-bindings: mfd: stm32-timers: add support for dmas
  mfd: stm32-timers: add support for dmas
  pwm: stm32: add capture support
  pwm: stm32: improve capture by tuning counter prescaler
  pwm: stm32: use input prescaler to improve period capture
  ARM: dts: stm32: Enable pwm3 input capture on stm32f429i-eval

 .../devicetree/bindings/mfd/stm32-timers.txt       |  20 +
 arch/arm/boot/dts/stm32429i-eval.dts               |   3 +
 drivers/mfd/stm32-timers.c                         |  37 +-
 drivers/pwm/pwm-stm32.c                            | 407 ++++++++++++++++++++-
 include/linux/mfd/stm32-timers.h                   |  31 ++
 5 files changed, 492 insertions(+), 6 deletions(-)

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1.9.1