From mboxrd@z Thu Jan 1 00:00:00 1970 From: Fabrice Gasnier Subject: [PATCH 0/8] Add support for PWM input capture on STM32 Date: Tue, 16 Jan 2018 13:43:43 +0100 Message-ID: <1516106631-18722-1-git-send-email-fabrice.gasnier@st.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Sender: linux-kernel-owner@vger.kernel.org To: lee.jones@linaro.org, thierry.reding@gmail.com, robh+dt@kernel.org, alexandre.torgue@st.com, benjamin.gaignard@linaro.org Cc: mark.rutland@arm.com, linux@armlinux.org.uk, mcoquelin.stm32@gmail.com, fabrice.gasnier@st.com, benjamin.gaignard@st.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-pwm@vger.kernel.org List-Id: devicetree@vger.kernel.org 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(-) -- 1.9.1