From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rob Herring Subject: Re: [PATCH v2 3/8] dt-bindings: mfd: stm32-timers: add support for dmas Date: Mon, 5 Feb 2018 00:07:20 -0600 Message-ID: <20180205060720.v3sfw44orngsyltq@rob-hp-laptop> References: <1516979499-3665-1-git-send-email-fabrice.gasnier@st.com> <1516979499-3665-4-git-send-email-fabrice.gasnier@st.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1516979499-3665-4-git-send-email-fabrice.gasnier@st.com> Sender: linux-pwm-owner@vger.kernel.org To: Fabrice Gasnier 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 List-Id: devicetree@vger.kernel.org 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 > --- > .../devicetree/bindings/mfd/stm32-timers.txt | 20 ++++++++++++++++++++ > 1 file changed, 20 insertions(+) Reviewed-by: Rob Herring