Merge branches 'for-3.7/upstream-fixes', 'for-3.8/hidraw', 'for-3.8/i2c-hid', 'for...

[can-eth-gw-linux.git] / Documentation / devicetree / bindings / video / via,vt8500-fb.txt

diff --git a/Documentation/devicetree/bindings/video/via,vt8500-fb.txt b/Documentation/devicetree/bindings/video/via,vt8500-fb.txt
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+VIA VT8500 Framebuffer
+-----------------------------------------------------
+
+Required properties:
+- compatible : "via,vt8500-fb"
+- reg : Should contain 1 register ranges(address and length)
+- interrupts : framebuffer controller interrupt
+- display: a phandle pointing to the display node
+
+Required nodes:
+- display: a display node is required to initialize the lcd panel
+       This should be in the board dts.
+- default-mode: a videomode within the display with timing parameters
+       as specified below.
+
+Example:
+
+       fb@d800e400 {
+               compatible = "via,vt8500-fb";
+               reg = <0xd800e400 0x400>;
+               interrupts = <12>;
+               display = <&display>;
+               default-mode = <&mode0>;
+       };
+
+VIA VT8500 Display
+-----------------------------------------------------
+Required properties (as per of_videomode_helper):
+
+ - hactive, vactive: Display resolution
+ - hfront-porch, hback-porch, hsync-len: Horizontal Display timing parameters
+   in pixels
+   vfront-porch, vback-porch, vsync-len: Vertical display timing parameters in
+   lines
+ - clock: displayclock in Hz
+ - bpp: lcd panel bit-depth.
+       <16> for RGB565, <32> for RGB888
+
+Optional properties (as per of_videomode_helper):
+ - width-mm, height-mm: Display dimensions in mm
+ - hsync-active-high (bool): Hsync pulse is active high
+ - vsync-active-high (bool): Vsync pulse is active high
+ - interlaced (bool): This is an interlaced mode
+ - doublescan (bool): This is a doublescan mode
+
+Example:
+       display: display@0 {
+               modes {
+                       mode0: mode@0 {
+                               hactive = <800>;
+                               vactive = <480>;
+                               hback-porch = <88>;
+                               hfront-porch = <40>;
+                               hsync-len = <0>;
+                               vback-porch = <32>;
+                               vfront-porch = <11>;
+                               vsync-len = <1>;
+                               clock = <0>;    /* unused but required */
+                               bpp = <16>;     /* non-standard but required */
+                       };
+               };
+       };