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From: Rob Herring <robh@kernel.org>
To: Fabrice Gasnier <fabrice.gasnier@st.com>
Cc: lee.jones@linaro.org, thierry.reding@gmail.com,
	alexandre.torgue@st.com, benjamin.gaignard@linaro.org,
	mark.rutland@arm.com, linux@armlinux.org.uk,
	mcoquelin.stm32@gmail.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
Subject: Re: [PATCH v2 3/8] dt-bindings: mfd: stm32-timers: add support for dmas
Date: Mon, 5 Feb 2018 00:07:20 -0600	[thread overview]
Message-ID: <20180205060720.v3sfw44orngsyltq@rob-hp-laptop> (raw)
In-Reply-To: <1516979499-3665-4-git-send-email-fabrice.gasnier@st.com>

On Fri, Jan 26, 2018 at 04:11:34PM +0100, Fabrice Gasnier wrote:
> Add support for DMAs to STM32 timers. STM32 Timers can support up to 7
> dma requests: up to 4 channels, update, compare and trigger.
> DMAs may be used to transfer data from pwm capture for instance.
> DMA support is made optional, PWM capture support is also an option.
> This is much more wise system-wide to avoid shortage on DMA request
> lines as there's significant amount of timer instances that can
> request up to 7 channels.
> 
> Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
> ---
>  .../devicetree/bindings/mfd/stm32-timers.txt         | 20 ++++++++++++++++++++
>  1 file changed, 20 insertions(+)

Reviewed-by: Rob Herring <robh@kernel.org>

  reply	other threads:[~2018-02-05  6:07 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-26 15:11 [PATCH v2 0/8] Add support for PWM input capture on STM32 Fabrice Gasnier
2018-01-26 15:11 ` [PATCH v2 1/8] pwm: stm32: fix, remove unused struct device Fabrice Gasnier
2018-01-26 15:11 ` [PATCH v2 2/8] pwm: stm32: protect common prescaler for all channels Fabrice Gasnier
2018-01-26 15:11 ` [PATCH v2 3/8] dt-bindings: mfd: stm32-timers: add support for dmas Fabrice Gasnier
2018-02-05  6:07   ` Rob Herring [this message]
2018-01-26 15:11 ` [PATCH v2 4/8] " Fabrice Gasnier
2018-01-26 15:11 ` [PATCH v2 5/8] pwm: stm32: add capture support Fabrice Gasnier
2018-01-26 15:11 ` [PATCH v2 6/8] pwm: stm32: improve capture by tuning counter prescaler Fabrice Gasnier
2018-01-26 15:11 ` [PATCH v2 7/8] pwm: stm32: use input prescaler to improve period capture Fabrice Gasnier
2018-01-26 15:11 ` [PATCH v2 8/8] ARM: dts: stm32: Enable pwm3 input capture on stm32f429i-eval Fabrice Gasnier
2018-01-30 10:15 ` [PATCH v2 0/8] Add support for PWM input capture on STM32 Benjamin Gaignard
2018-02-14  8:23 ` Fabrice Gasnier
     [not found]   ` <5ade7f05-f5cc-e272-842c-22effa78b716-qxv4g6HH51o@public.gmane.org>
2018-02-14  9:38     ` Lee Jones

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