Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / Documentation / devicetree / bindings / gpu / samsung-rotator.txt
diff --git a/kernel/Documentation/devicetree/bindings/gpu/samsung-rotator.txt b/kernel/Documentation/devicetree/bindings/gpu/samsung-rotator.txt
new file mode 100644 (file)
index 0000000..82cd1ed
--- /dev/null
@@ -0,0 +1,27 @@
+* Samsung Image Rotator
+
+Required properties:
+  - compatible : value should be one of the following:
+       (a) "samsung,exynos4210-rotator" for Rotator IP in Exynos4210
+       (b) "samsung,exynos4212-rotator" for Rotator IP in Exynos4212/4412
+       (c) "samsung,exynos5250-rotator" for Rotator IP in Exynos5250
+
+  - reg : Physical base address of the IP registers and length of memory
+         mapped region.
+
+  - interrupts : Interrupt specifier for rotator interrupt, according to format
+                specific to interrupt parent.
+
+  - clocks : Clock specifier for rotator clock, according to generic clock
+            bindings. (See Documentation/devicetree/bindings/clock/exynos*.txt)
+
+  - clock-names : Names of clocks. For exynos rotator, it should be "rotator".
+
+Example:
+       rotator@12810000 {
+               compatible = "samsung,exynos4210-rotator";
+               reg = <0x12810000 0x1000>;
+               interrupts = <0 83 0>;
+               clocks = <&clock 278>;
+               clock-names = "rotator";
+       };