This patch adds a dt-binding document for exynos rotator. It describes which nodes should be defined to use the rotator. Signed-off-by: Chanho Park <chanho61.park@xxxxxxxxxxx> Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx> --- .../bindings/drm/exynos/samsung-rotator.txt | 35 ++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 Documentation/devicetree/bindings/drm/exynos/samsung-rotator.txt 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 0000000..6b1d704 --- /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>; + }; + }; -- 1.7.9.5 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel