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Thu, 31 Dec 2020 12:37:51 -0800 (PST) Received: from robh.at.kernel.org ([64.188.179.253]) by smtp.gmail.com with ESMTPSA id j126sm11281512oib.13.2020.12.31.12.37.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 31 Dec 2020 12:37:50 -0800 (PST) Received: (nullmailer pid 2321274 invoked by uid 1000); Thu, 31 Dec 2020 20:37:49 -0000 Date: Thu, 31 Dec 2020 13:37:49 -0700 From: Rob Herring To: Erwan Le Ray Subject: Re: [PATCH 5/8] dt-bindings: serial: stm32: update rts-gpios and cts-gpios Message-ID: <20201231203749.GA2321239@robh.at.kernel.org> References: <20201218190020.1572-1-erwan.leray@foss.st.com> <20201218190020.1572-6-erwan.leray@foss.st.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20201218190020.1572-6-erwan.leray@foss.st.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201231_153752_635878_1C254024 X-CRM114-Status: GOOD ( 11.91 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Valentin Caron , linux-serial@vger.kernel.org, Greg Kroah-Hartman , Alexandre Torgue , Rob Herring , linux-kernel@vger.kernel.org, Fabrice Gasnier , Maxime Coquelin , Jiri Slaby , linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 > Acked-by: Rob Herring _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel