linux-kernel - [PATCH 2/3] auxdisplay: lcd2s DT binding doc

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Message-Id: <20191016082654.6173-1-poeschel@lemonage.de>
Date:   Wed, 16 Oct 2019 10:26:47 +0200
From:   Lars Poeschel <poeschel@...onage.de>
To:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        "GitAuthor: Lars Poeschel" <poeschel@...onage.de>,
        Maxime Ripard <mripard@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Heiko Stuebner <heiko@...ech.de>,
        Icenowy Zheng <icenowy@...c.io>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED
        DEVICE TREE BINDINGS), linux-kernel@...r.kernel.org (open list)
Subject: [PATCH 2/3] auxdisplay: lcd2s DT binding doc

Add a binding doc for the modtronix lcd2s auxdisplay driver. It also
adds modtronix to the list of known vendor-prefixes.

Signed-off-by: Lars Poeschel <poeschel@...onage.de>
---
 .../bindings/auxdisplay/modtronix,lcd2s.txt   | 24 +++++++++++++++++++
 .../devicetree/bindings/vendor-prefixes.yaml  |  2 ++
 2 files changed, 26 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/auxdisplay/modtronix,lcd2s.txt

diff --git a/Documentation/devicetree/bindings/auxdisplay/modtronix,lcd2s.txt b/Documentation/devicetree/bindings/auxdisplay/modtronix,lcd2s.txt
new file mode 100644
index 000000000000..2d4235482658
--- /dev/null
+++ b/Documentation/devicetree/bindings/auxdisplay/modtronix,lcd2s.txt
@@ -0,0 +1,24 @@
+DT bindings for the LCD2S Character LCD Display
+
+The LCD2S is a Character LCD Display manufactured by Modtronix Engineering.
+The display supports a serial I2C and SPI interface. The driver currently
+only supports the I2C interface.
+
+Required properties:
+  - compatible: Must contain "modtronix,lcd2s",
+  - reg: I2C bus address of the display,
+  - display-height-chars: Height of the display, in character cells,
+  - display-width-chars: Width of the display, in character cells.
+
+Example:
+
+i2c1: i2c@0 {
+	compatible = "ti,omap3-i2c";
+
+	lcd2s: auxdisplay@28 {
+		reg = <0x28>;
+		compatible = "modtronix,lcd2s";
+		display-height-chars = <4>;
+		display-width-chars = <20>;
+	};
+};
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
index 967e78c5ec0a..b853974956f1 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
+++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
@@ -603,6 +603,8 @@ patternProperties:
     description: MiraMEMS Sensing Technology Co., Ltd.
   "^mitsubishi,.*":
     description: Mitsubishi Electric Corporation
+  "^modtronix,.*":
+    description: Modtronix Engineering
   "^mosaixtech,.*":
     description: Mosaix Technologies, Inc.
   "^motorola,.*":
-- 
2.23.0