From: Rob Herring <robh@kernel.org>
To: Erwan Le Ray <erwan.leray@foss.st.com>
Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-stm32@st-md-mailman.stormreply.com,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Fabrice Gasnier <fabrice.gasnier@foss.st.com>,
Alexandre Torgue <alexandre.torgue@foss.st.com>,
linux-kernel@vger.kernel.org, Rob Herring <robh+dt@kernel.org>,
Valentin Caron <valentin.caron@foss.st.com>,
linux-serial@vger.kernel.org, Jiri Slaby <jslaby@suse.com>
Subject: Re: [PATCH 5/8] dt-bindings: serial: stm32: update rts-gpios and cts-gpios
Date: Thu, 31 Dec 2020 13:37:49 -0700 [thread overview]
Message-ID: <20201231203749.GA2321239@robh.at.kernel.org> (raw)
In-Reply-To: <20201218190020.1572-6-erwan.leray@foss.st.com>
On Fri, 18 Dec 2020 20:00:16 +0100, Erwan Le Ray wrote:
> Update rts-gpios and cts-gpios:
> - remove max-items as already defined in serial.yaml
> - add a note describing rts-gpios and cts-gpios usage with stm32
>
> Document the use of cts-gpios and rts-gpios for flow control in STM32 UART
> controller. These properties can be used instead of 'uart-has-rtscts' or
> 'st,hw-flow-ctrl' (deprecated) for making use of any gpio pins for flow
> control instead of dedicated pins.
> It should be noted that both cts-gpios/rts-gpios and 'uart-has-rtscts' or
> 'st,hw-flow-ctrl' (deprecated) properties cannot co-exist in a design.
>
> Signed-off-by: Erwan Le Ray <erwan.leray@foss.st.com>
>
Acked-by: Rob Herring <robh@kernel.org>
next prev parent reply other threads:[~2020-12-31 20:38 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-18 19:00 [PATCH 0/7] STM32 uart cleanup and improvements Erwan Le Ray
2020-12-18 19:00 ` [PATCH 1/8] serial: stm32: fix -Wall W=1 compilation warnings Erwan Le Ray
2020-12-18 19:00 ` [PATCH 2/8] serial: stm32: fix code cleaning warnings and checks Erwan Le Ray
2020-12-18 19:00 ` [PATCH 3/8] serial: stm32: add "_usart" prefix in functions name Erwan Le Ray
2020-12-18 19:00 ` [PATCH 4/8] serial: stm32: add author Erwan Le Ray
2020-12-18 19:00 ` [PATCH 5/8] dt-bindings: serial: stm32: update rts-gpios and cts-gpios Erwan Le Ray
2020-12-31 20:37 ` Rob Herring [this message]
2020-12-18 19:00 ` [PATCH 6/8] serial: stm32: update conflicting RTS/CTS config comment Erwan Le Ray
2020-12-18 19:00 ` [PATCH 7/8] serial: stm32: clean probe and remove port deinit Erwan Le Ray
2020-12-18 19:00 ` [PATCH 8/8] serial: stm32: update transmission complete error message in shutdown Erwan Le Ray
2020-12-28 15:17 ` [PATCH 0/7] STM32 uart cleanup and improvements Greg Kroah-Hartman
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