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[73.177.17.21]) by smtp.gmail.com with ESMTPSA id q22sm321034otf.17.2020.02.12.08.35.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 12 Feb 2020 08:35:53 -0800 (PST) From: George Hilliard To: Greg Kroah-Hartman Cc: George Hilliard , linux-serial@vger.kernel.org, devicetree@vger.kernel.org, NXP Linux Team , kernel@pengutronix.de Subject: [PATCH v3 1/2] dt-bindings: serial: document fsl,inverted-tx and -rx options Date: Wed, 12 Feb 2020 10:35:37 -0600 Message-Id: <20200212163538.3006-2-ghilliard@kopismobile.com> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200212163538.3006-1-ghilliard@kopismobile.com> References: <20200212163538.3006-1-ghilliard@kopismobile.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add a description for the new fsl,inverted-tx and fsl,inverted-rx options for the i.MX UART peripheral. Signed-off-by: George Hilliard --- v1..v2: Removed confidentiality spam Documentation/devicetree/bindings/serial/fsl-imx-uart.txt | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/serial/fsl-imx-uart.txt b/Documentation/devicetree/bindings/serial/fsl-imx-uart.txt index 35957cbf1571..c8d677f9491f 100644 --- a/Documentation/devicetree/bindings/serial/fsl-imx-uart.txt +++ b/Documentation/devicetree/bindings/serial/fsl-imx-uart.txt @@ -8,6 +8,10 @@ Required properties: Optional properties: - fsl,dte-mode : Indicate the uart works in DTE mode. The uart works in DCE mode by default. +- fsl,inverted-tx , fsl,inverted-rx : Indicate that the hardware attached + to the peripheral inverts the signal transmitted or received, + respectively, and that the peripheral should invert its output/input + using the INVT/INVR registers. - rs485-rts-delay, rs485-rts-active-low, rs485-rx-during-tx, linux,rs485-enabled-at-boot-time: see rs485.txt. Note that for RS485 you must enable either the "uart-has-rtscts" or the "rts-gpios" -- 2.25.0