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author | Alexander Shiyan <shc_work@mail.ru> | 2014-06-19 20:21:17 +0400 |
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committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2014-06-24 10:54:38 +0300 |
commit | 8c70f53370a9189afd6f0ee385aee82b8ea54cfc (patch) | |
tree | c79d2144d2b207bab0afac3fe40a768e0bc6e08f /Documentation/devicetree/bindings/video | |
parent | ef74d46a4ef36b9a448716222fd3685e93962566 (diff) |
video: clps711x: Add bindings documentation for CLPS711X framebuffer
Add OF document for Cirrus Logic CLPS711X framebuffer driver.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Diffstat (limited to 'Documentation/devicetree/bindings/video')
-rw-r--r-- | Documentation/devicetree/bindings/video/cirrus,clps711x-fb.txt | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/video/cirrus,clps711x-fb.txt b/Documentation/devicetree/bindings/video/cirrus,clps711x-fb.txt new file mode 100644 index 00000000000..6fc3c6adeef --- /dev/null +++ b/Documentation/devicetree/bindings/video/cirrus,clps711x-fb.txt @@ -0,0 +1,47 @@ +* Currus Logic CLPS711X Framebuffer + +Required properties: +- compatible: Shall contain "cirrus,clps711x-fb". +- reg : Physical base address and length of the controller's registers + + location and size of the framebuffer memory. +- clocks : phandle + clock specifier pair of the FB reference clock. +- display : phandle to a display node as described in + Documentation/devicetree/bindings/video/display-timing.txt. + Additionally, the display node has to define properties: + - bits-per-pixel: Bits per pixel. + - ac-prescale : LCD AC bias frequency. This frequency is the required + AC bias frequency for a given manufacturer's LCD plate. + - cmap-invert : Invert the color levels (Optional). + +Optional properties: +- lcd-supply: Regulator for LCD supply voltage. + +Example: + fb: fb@800002c0 { + compatible = "cirrus,ep7312-fb", "cirrus,clps711x-fb"; + reg = <0x800002c0 0xd44>, <0x60000000 0xc000>; + clocks = <&clks 2>; + lcd-supply = <®5v0>; + display = <&display>; + }; + + display: display { + model = "320x240x4"; + native-mode = <&timing0>; + bits-per-pixel = <4>; + ac-prescale = <17>; + + display-timings { + timing0: 320x240 { + hactive = <320>; + hback-porch = <0>; + hfront-porch = <0>; + hsync-len = <0>; + vactive = <240>; + vback-porch = <0>; + vfront-porch = <0>; + vsync-len = <0>; + clock-frequency = <6500000>; + }; + }; + }; |