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From:   Stefan-gabriel Mirea <stefan-gabriel.mirea@nxp.com>
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        Cosmin Stefan Stoica <cosmin.stoica@nxp.com>,
        Larisa Ileana Grigore <larisa.grigore@nxp.com>
Subject: [PATCH v4 5/6] dt-bindings: serial: Document Freescale LINFlexD UART
Thread-Topic: [PATCH v4 5/6] dt-bindings: serial: Document Freescale LINFlexD
 UART
Thread-Index: AQHVY+FBDBHz8YxpUkWiYnjWoMIYag==
Date:   Thu, 5 Sep 2019 11:58:39 +0000
Message-ID: <20190905115803.19565-6-stefan-gabriel.mirea@nxp.com>
References: <20190905115803.19565-1-stefan-gabriel.mirea@nxp.com>
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From: Stoica Cosmin-Stefan <cosmin.stoica@nxp.com>

Add documentation for the serial communication interface module (LINFlexD),
found in two instances on S32V234.

Signed-off-by: Stoica Cosmin-Stefan <cosmin.stoica@nxp.com>
Signed-off-by: Larisa Grigore <Larisa.Grigore@nxp.com>
Signed-off-by: Stefan-Gabriel Mirea <stefan-gabriel.mirea@nxp.com>
Reviewed-by: Rob Herring <robh@kernel.org>
---
 .../bindings/serial/fsl,s32-linflexuart.txt   | 22 +++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/serial/fsl,s32-linfle=
xuart.txt

diff --git a/Documentation/devicetree/bindings/serial/fsl,s32-linflexuart.t=
xt b/Documentation/devicetree/bindings/serial/fsl,s32-linflexuart.txt
new file mode 100644
index 000000000000..f1bbe0826be5
--- /dev/null
+++ b/Documentation/devicetree/bindings/serial/fsl,s32-linflexuart.txt
@@ -0,0 +1,22 @@
+* Freescale LINFlexD UART
+
+The LINFlexD controller implements several LIN protocol versions, as well =
as
+support for full-duplex UART communication through 8-bit and 9-bit frames.
+
+See chapter 47 ("LINFlexD") in the reference manual[1].
+
+Required properties:
+- compatible :
+  - "fsl,s32v234-linflexuart" for LINFlexD configured in UART mode, which
+    is compatible with the one integrated on S32V234 SoC
+- reg : Address and length of the register set for the device
+- interrupts : Should contain uart interrupt
+
+Example:
+uart0: serial@40053000 {
+	compatible =3D "fsl,s32v234-linflexuart";
+	reg =3D <0x0 0x40053000 0x0 0x1000>;
+	interrupts =3D <0 59 4>;
+};
+
+[1] https://www.nxp.com/webapp/Download?colCode=3DS32V234RM
--=20
2.22.0