Re: [RESEND PATCH v5 0/6] Add support for PWM input capture on STM32

Lee Jones
2018-05-16T08:06:45Z

On Wed, 16 May 2018, Fabrice Gasnier wrote:

> This series adds support for capture to stm32-pwm driver.
> Capture is based on DMAs.
> - First 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.
>
> ---
> Changes in v5:
> - update patch 2 (mfd: stm32-timers: add support for dmas)
> move stm32_timers_dma struct to header file,
> fix warning on dma_mapping_error().
>
> Changes in v4:
> - Lee's comments on patch 2 (mfd: stm32-timers: add support for dmas)
> Add kerneldoc header, better format comments.
>
> Changes in v3:
> - Dropped 2 precusor patches applied by Thierry in pwm tree:
> "pwm: stm32: fix, remove unused struct device"
> "pwm: stm32: protect common prescaler for all channels"
> - Note: this series applies on top on pwm tree
> - Implements Lee's comments on MFD part: rework stm32_timers_dma struct,
> exported routine prototype now use generic device struct, more
> various comments (see patch 2 changelog).
>
> Resend v2:
> - Add collected Acks
>
> Changes in v2:
> - Abstract DMA handling from child driver: move it to MFD core
> - Rework pwm capture routines to adopt this change
> - Comment on optional dma support, beautify DMAs probe
>
> Fabrice Gasnier (6):
> 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

Applied patches 1-5.

> .../devicetree/bindings/mfd/stm32-timers.txt | 20 ++
> arch/arm/boot/dts/stm32429i-eval.dts | 3 +
> drivers/mfd/stm32-timers.c | 201 +++++++++++++++-
> drivers/pwm/pwm-stm32.c | 257 +++++++++++++++++++++
> include/linux/mfd/stm32-timers.h | 58 +++++
> 5 files changed, 537 insertions(+), 2 deletions(-)
>

--
Lee Jones [李琼斯]
Linaro Services Technical Lead
Linaro.org │ Open source software for ARM SoCs
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