From: David Lechner <david@lechnology.com>
To: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org
Cc: Mark Rutland <mark.rutland@arm.com>,
limor@ladyada.net, David Lechner <david@lechnology.com>,
linux-kernel@vger.kernel.org, Rob Herring <robh+dt@kernel.org>,
Nitin Patil <nitin@mindsensors.com>
Subject: [PATCH 2/3] dt-bindings: new binding for Ilitek ILI9341 display panels
Date: Mon, 14 May 2018 20:43:48 -0500 [thread overview]
Message-ID: <20180515014349.26226-3-david@lechnology.com> (raw)
In-Reply-To: <20180515014349.26226-1-david@lechnology.com>
This adds a new binding for Ilitek ILI9341 display panels. It includes
a compatible string for one display (more can be added in the future).
The vendor prefix "noname" is used because the vendor is not known.
The YX240QV29-T panel[1] is found, for example, in an Adafruit breakout
board[2] and in Mindsensors' PiStorms[3].
[1]: https://cdn-learn.adafruit.com/assets/assets/000/046/879/original/SPEC-YX240QV29-T_Rev.A__1_.pdf
[2]: https://www.adafruit.com/product/2478
[3]: http://www.mindsensors.com/stem-with-robotics/13-pistorms-v2-base-kit-raspberry-pi-brain-for-lego-robot
Signed-off-by: David Lechner <david@lechnology.com>
---
.../bindings/display/ilitek,ili9341.txt | 27 +++++++++++++++++++
1 file changed, 27 insertions(+)
create mode 100644 Documentation/devicetree/bindings/display/ilitek,ili9341.txt
diff --git a/Documentation/devicetree/bindings/display/ilitek,ili9341.txt b/Documentation/devicetree/bindings/display/ilitek,ili9341.txt
new file mode 100644
index 000000000000..0fc90b2dd732
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/ilitek,ili9341.txt
@@ -0,0 +1,27 @@
+Ilitek ILI9341 display panels
+
+This binding is for display panels using an Ilitek ILI9341 controller in SPI
+mode.
+
+Required properties:
+- compatible: "noname,yx240qv29", "ilitek,ili9341"
+- dc-gpios: D/C pin
+- reset-gpios: Reset pin
+
+The node for this driver must be a child node of a SPI controller, hence
+all mandatory properties described in ../spi/spi-bus.txt must be specified.
+
+Optional properties:
+- rotation: panel rotation in degrees counter clockwise (0,90,180,270)
+- backlight: phandle of the backlight device attached to the panel
+
+Example:
+ display@0{
+ compatible = "noname,yx240qv29", "ilitek,ili9341";
+ reg = <0>;
+ spi-max-frequency = <32000000>;
+ dc-gpios = <&gpio0 9 GPIO_ACTIVE_HIGH>;
+ reset-gpios = <&gpio0 8 GPIO_ACTIVE_HIGH>;
+ rotation = <270>;
+ backlight = <&backlight>;
+ };
--
2.17.0
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next prev parent reply other threads:[~2018-05-15 1:43 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-15 1:43 [PATCH 0/3] drm/tinydrm: new dirver for ILI9341 displays David Lechner
2018-05-15 1:43 ` [PATCH 1/3] MAINTAINERS: fix path to ilitek, ili9225 device tree bindings David Lechner
2018-05-19 13:24 ` [PATCH 1/3] MAINTAINERS: fix path to ilitek,ili9225 " Noralf Trønnes
2018-05-15 1:43 ` David Lechner [this message]
2018-05-19 13:37 ` [PATCH 2/3] dt-bindings: new binding for Ilitek ILI9341 display panels Noralf Trønnes
2018-05-19 15:50 ` David Lechner
2018-05-15 1:43 ` [PATCH 3/3] drm/tinydrm: new driver for " David Lechner
2018-05-15 21:43 ` Andy Shevchenko
2018-05-19 14:00 ` Noralf Trønnes
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