linux-kernel - [PATCH RFC v4 15/21] Documentation: dt-bindings: Add bindings for HIMAX HX8369A DRM panel driver

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Date:	Tue, 23 Dec 2014 18:02:13 +0800
From:	Liu Ying <Ying.Liu@...escale.com>
To:	<dri-devel@...ts.freedesktop.org>
CC:	<devicetree@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>, <linux@....linux.org.uk>,
	<kernel@...gutronix.de>, <p.zabel@...gutronix.de>,
	<thierry.reding@...il.com>, <shawn.guo@...aro.org>,
	<mturquette@...aro.org>, <airlied@...ux.ie>, <andyshrk@...il.com>,
	<stefan.wahren@...e.com>, <linux-kernel@...r.kernel.org>
Subject: [PATCH RFC v4 15/21] Documentation: dt-bindings: Add bindings for HIMAX HX8369A DRM panel driver

This patch adds device tree bindings for HIMAX HX8369A DRM panel driver.

Signed-off-by: Liu Ying <Ying.Liu@...escale.com>
---
v3->v4:
 * Newly introduced in v4.  This is separated from the relevant driver patch
   in v3 to address Stefan Wahren's comment.

 .../devicetree/bindings/panel/himax,hx8369a.txt    | 41 ++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/panel/himax,hx8369a.txt

diff --git a/Documentation/devicetree/bindings/panel/himax,hx8369a.txt b/Documentation/devicetree/bindings/panel/himax,hx8369a.txt
new file mode 100644
index 0000000..36a2f11
--- /dev/null
+++ b/Documentation/devicetree/bindings/panel/himax,hx8369a.txt
@@ -0,0 +1,41 @@
+Himax HX8369A WVGA 16.7M color TFT single chip driver with internal GRAM
+
+Himax HX8369A is a WVGA resolution driving controller.
+It is designed to provide a single chip solution that combines a source
+driver and power supply circuits to drive a TFT dot matrix LCD with
+480RGBx864 dots at the maximum.
+
+The HX8369A supports several interface modes, including MPU MIPI DBI Type
+A/B mode, MIPI DPI/DBI Type C mode, MIPI DSI video mode, MIPI DSI command
+mode and MDDI mode. The interface mode is selected by the external hardware
+pins BS[3:0].
+
+Currently, only the MIPI DSI video mode is supported.
+
+Required properties:
+  - compatible: should be a panel's compatible string
+  - reg: the virtual channel number of a DSI peripheral as described in [1]
+  - reset-gpios: a GPIO spec for the reset pin
+
+Optional properties:
+  - vdd1-supply: I/O and interface power supply
+  - vdd2-supply: analog power supply
+  - vdd3-supply: logic power supply
+  - dsi-vcc-supply: DSI and MDDI power supply
+  - vpp-supply: OTP programming voltage
+  - bs0-gpios: a GPIO spec for the pin BS0
+  - bs1-gpios: a GPIO spec for the pin BS1
+  - bs2-gpios: a GPIO spec for the pin BS2
+  - bs3-gpios: a GPIO spec for the pin BS3
+
+[1] Documentation/devicetree/bindings/mipi/dsi/mipi-dsi-bus.txt
+
+Example:
+	panel {
+		compatible = "truly,tft480800-16-e-dsi";
+		reg = <0>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_mipi_panel>;
+		reset-gpios = <&gpio6 11 GPIO_ACTIVE_LOW>;
+		bs2-gpios = <&gpio6 14 GPIO_ACTIVE_HIGH>;
+	};
-- 
2.1.0

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