Documentation/devicetree/bindings/staging/ion/rockchip-ion.txt

   1 * Rockchip Ion driver
   2
   3 Required properties:
   4 - compatible: Should be "rockchip,ion"
   5
   6 Optional properties:
   7 - cma-heap: Allocate continous physicall region.
   8   Should define reg with two u32 values:
   9     - reg0: base address of cma region
  10     - reg1: size of cma region
  11 - system-heap: Allocate continous virtual region
  12
  13 Examples:
  14         ion {
  15                 compatible = "rockchip,ion";
  16                 #address-cells = <1>;
  17                 #size-cells = <0>;
  18
  19                 cma-heap {
  20                         reg = <0x00000000 0x02000000>;
  21                 };
  22
  23                 system-heap {
  24                 };
  25         };