From mboxrd@z Thu Jan 1 00:00:00 1970 From: robh@kernel.org (Rob Herring) Date: Mon, 5 Feb 2018 00:07:20 -0600 Subject: [PATCH v2 3/8] dt-bindings: mfd: stm32-timers: add support for dmas In-Reply-To: <1516979499-3665-4-git-send-email-fabrice.gasnier@st.com> References: <1516979499-3665-1-git-send-email-fabrice.gasnier@st.com> <1516979499-3665-4-git-send-email-fabrice.gasnier@st.com> Message-ID: <20180205060720.v3sfw44orngsyltq@rob-hp-laptop> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.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