From: Mark Yao <mark.yao@rock-chips.com>
Date: Wed, 20 Jul 2016 03:18:50 +0000 (+0800)
Subject: FROMLIST: dt-bindings: add simple-panel-dsi and simple-panel
X-Git-Tag: firefly_0821_release~2109
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=44cbc36a826809f794f82d6296ca1a1f7947f418;p=firefly-linux-kernel-4.4.55.git

FROMLIST: dt-bindings: add simple-panel-dsi and simple-panel

Allow user add display timing on device tree with simple-panel-dsi
or simple-panel.

Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>

Change-Id: I95cdd8634ccd7dc2861a1ed93bcc625f0552c3a3
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
(am from https://patchwork.kernel.org/patch/9238725)
---

diff --git a/Documentation/devicetree/bindings/display/panel/simple-panel.txt b/Documentation/devicetree/bindings/display/panel/simple-panel.txt
index 1341bbf4aa3d..bc6697061643 100644
--- a/Documentation/devicetree/bindings/display/panel/simple-panel.txt
+++ b/Documentation/devicetree/bindings/display/panel/simple-panel.txt
@@ -4,10 +4,22 @@ Required properties:
 - power-supply: regulator to provide the supply voltage
 
 Optional properties:
+- compatible: value maybe one of the following
+		"simple-panel";
+		"simple-panel-dsi";
+
 - ddc-i2c-bus: phandle of an I2C controller used for DDC EDID probing
 - enable-gpios: GPIO pin to enable or disable the panel
 - backlight: phandle of the backlight device attached to the panel
 
+Required properties when compatible is "simple-panel" or "simple-panel-dsi":
+- display-timings: see display-timing.txt for information
+
+Optional properties when compatible is a dsi devices:
+- dsi,flags: dsi operation mode related flags
+- dsi,format: pixel format for video mode
+- dsi,lanes: number of active data lanes
+
 Example:
 
 	panel: panel {
@@ -19,3 +31,39 @@ Example:
 
 		backlight = <&backlight>;
 	};
+
+Or:
+	panel: panel {
+		compatible = "simple-panel-dsi";
+		ddc-i2c-bus = <&panelddc>;
+
+		power-supply = <&vdd_pnl_reg>;
+		enable-gpios = <&gpio 90 0>;
+
+		backlight = <&backlight>;
+
+		dsi,flags = <MIPI_DSI_MODE_VIDEO |
+			     MIPI_DSI_MODE_VIDEO_BURST |
+			     MIPI_DSI_MODE_VIDEO_SYNC_PULSE>;
+		dsi,format = <MIPI_DSI_FMT_RGB888>;
+		dsi,lanes = <4>;
+
+		display-timings {
+			native-mode = <&timing0>;
+			timing0: timing0 {
+				clock-frequency = <160000000>;
+				hactive = <1200>;
+				vactive = <1920>;
+				hback-porch = <21>;
+				hfront-porch = <120>;
+				vback-porch = <18>;
+				vfront-porch = <21>;
+				hsync-len = <20>;
+				vsync-len = <3>;
+				hsync-active = <0>;
+				vsync-active = <0>;
+				de-active = <0>;
+				pixelclk-active = <0>;
+			};
+		};
+	};