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author | Chanho Park <chanho61.park@samsung.com> | 2013-05-31 19:47:57 +0900 |
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committer | Chanho Park <chanho61.park@samsung.com> | 2014-11-18 11:43:08 +0900 |
commit | 1d152c955e0d1c650b888f3f241175b4c76fe4fc (patch) | |
tree | 5c56d99b026cb4ee3055b344d7bebdce1ac68d13 /Documentation | |
parent | 942e9e094f0fc62ca1b5477c1ad1fa9d9b14f008 (diff) | |
download | linux-3.10-1d152c955e0d1c650b888f3f241175b4c76fe4fc.tar.gz linux-3.10-1d152c955e0d1c650b888f3f241175b4c76fe4fc.tar.bz2 linux-3.10-1d152c955e0d1c650b888f3f241175b4c76fe4fc.zip |
drm/exynos: add dt-binding documentation for rotator
Signed-off-by: Chanho Park <chanho61.park@samsung.com>
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/devicetree/bindings/drm/exynos/samsung-rotator.txt | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/drm/exynos/samsung-rotator.txt b/Documentation/devicetree/bindings/drm/exynos/samsung-rotator.txt new file mode 100644 index 00000000000..6b1d704155e --- /dev/null +++ b/Documentation/devicetree/bindings/drm/exynos/samsung-rotator.txt @@ -0,0 +1,35 @@ +* Samsung Image Rotator + +Required properties: + - compatible : value should be the "samsung,exynos4210". + - reg : Physical base address of the IP registers and length of memory + mapped region. + - interrupts : interrupt number to the CPU. + - clocks : clock number of exynos4 rotator clock. + - clocks : clock name of rotator + - status : "okay" or "disabled" + - limit table for image formats : min_w/min_h/max_w/max_h for min/max of image + +Example: + rotator: rotator@12810000 { + compatible = "samsung,exynos4210-rotator"; + reg = <0x12810000 0x1000>; + interrupts = <0 83 0>; + clocks = <&clock 278>; + clock-names = "rotator"; + status = "disabled"; + ycbcr420_2p { + min_w = <32>; + min_h = <32>; + max_w = <32768>; + max_h = <32768>; + align = <3>; + }; + rgb888 { + min_w = <8>; + min_h = <8>; + max_w = <8192>; + max_h = <8192>; + align = <2>; + }; + }; |