video: mxsfb: get display timings from device tree

Use videomode helpers to get display timings and configurations from
device tree when platform_data is absent.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

1 files changed, 34 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/fb/mxsfb.txt b/Documentation/devicetree/bindings/fb/mxsfb.txt
index b41e5e52a676..7ba3b7663513 100644
--- a/Documentation/devicetree/bindings/fb/mxsfb.txt
+++ b/Documentation/devicetree/bindings/fb/mxsfb.txt
@@ -5,10 +5,20 @@ Required properties:
   imx23 and imx28.
 - reg: Address and length of the register set for lcdif
 - interrupts: Should contain lcdif interrupts
+- display : phandle to display node (see below for details)
 
 Optional properties:
 - panel-enable-gpios : Should specify the gpio for panel enable
 
+* display node
+
+Required properties:
+- bits-per-pixel : <16> for RGB565, <32> for RGB888/666.
+- bus-width : number of data lines.  Could be <8>, <16>, <18> or <24>.
+
+Required sub-node:
+- display-timings : Refer to binding doc display-timing.txt for details.
+
 Examples:
 
 lcdif@80030000 {
@@ -16,4 +26,28 @@ lcdif@80030000 {
         reg = <0x80030000 2000>;
         interrupts = <38 86>;
         panel-enable-gpios = <&gpio3 30 0>;
+
+        display: display {
+                bits-per-pixel = <32>;
+                bus-width = <24>;
+
+                display-timings {
+                        native-mode = <&timing0>;
+                        timing0: timing0 {
+                                clock-frequency = <33500000>;
+                                hactive = <800>;
+                                vactive = <480>;
+                                hfront-porch = <164>;
+                                hback-porch = <89>;
+                                hsync-len = <10>;
+                                vback-porch = <23>;
+                                vfront-porch = <10>;
+                                vsync-len = <10>;
+                                hsync-active = <0>;
+                                vsync-active = <0>;
+                                de-active = <1>;
+                                pixelclk-active = <0>;
+                        };
+                };
+        };
 };