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Date: Tue, 3 Nov 2020 10:58:27 +0100
From: poeschel@...onage.de
To: Rob Herring <robh+dt@...nel.org>, Willy Tarreau <w@....eu>,
Lars Poeschel <poeschel@...onage.de>,
Sam Ravnborg <sam@...nborg.org>,
Linus Walleij <linus.walleij@...aro.org>,
Arnd Bergmann <arnd@...db.de>,
Krzysztof Kozlowski <krzk@...nel.org>,
Lubomir Rintel <lkundrak@...sk>,
Mark Brown <broonie@...nel.org>,
Geert Uytterhoeven <geert+renesas@...der.be>,
Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>,
allen <allen.chen@....com.tw>,
devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED
DEVICE TREE BINDINGS), linux-kernel@...r.kernel.org (open list)
Cc: Rob Herring <robh@...nel.org>
Subject: [PATCH v6 24/25] auxdisplay: lcd2s DT binding doc
From: Lars Poeschel <poeschel@...onage.de>
Add a binding doc for the modtronix lcd2s auxdisplay driver. It also
adds modtronix to the list of known vendor-prefixes.
Reviewed-by: Willy Tarreau <w@....eu>
Reviewed-by: Rob Herring <robh@...nel.org>
Signed-off-by: Lars Poeschel <poeschel@...onage.de>
---
Changes in v5:
- Picked up Robs Reviewed-by
Changes in v3:
- Fixed make dt_binding_doc errors
Changes in v2:
- Adopted yaml based file format
---
.../bindings/auxdisplay/modtronix,lcd2s.yaml | 58 +++++++++++++++++++
.../devicetree/bindings/vendor-prefixes.yaml | 2 +
2 files changed, 60 insertions(+)
create mode 100644 Documentation/devicetree/bindings/auxdisplay/modtronix,lcd2s.yaml
diff --git a/Documentation/devicetree/bindings/auxdisplay/modtronix,lcd2s.yaml b/Documentation/devicetree/bindings/auxdisplay/modtronix,lcd2s.yaml
new file mode 100644
index 000000000000..a1d55a2634a5
--- /dev/null
+++ b/Documentation/devicetree/bindings/auxdisplay/modtronix,lcd2s.yaml
@@ -0,0 +1,58 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/auxdisplay/modtronix,lcd2s.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Modtronix engineering LCD2S Character LCD Display
+
+maintainers:
+ - Lars Poeschel <poeschel@...onage.de>
+
+description:
+ 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.
+
+properties:
+ compatible:
+ const: modtronix,lcd2s
+
+ reg:
+ maxItems: 1
+ description:
+ I2C bus address of the display.
+
+ display-height-chars:
+ description: Height of the display, in character cells.
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 1
+ maximum: 4
+
+ display-width-chars:
+ description: Width of the display, in character cells.
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 16
+ maximum: 20
+
+required:
+ - compatible
+ - reg
+ - display-height-chars
+ - display-width-chars
+
+additionalProperties: false
+
+examples:
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ lcd2s: auxdisplay@28 {
+ compatible = "modtronix,lcd2s";
+ reg = <0x28>;
+ 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 2735be1a8470..65f40ab5a87f 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
+++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
@@ -681,6 +681,8 @@ patternProperties:
description: MiraMEMS Sensing Technology Co., Ltd.
"^mitsubishi,.*":
description: Mitsubishi Electric Corporation
+ "^modtronix,.*":
+ description: Modtronix Engineering
"^mosaixtech,.*":
description: Mosaix Technologies, Inc.
"^motorola,.*":
--
2.28.0
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