arch/arm/boot/dts/overlays/cma-overlay.dts

   1 /*
   2  * cma.dts
   3  */
   4
   5 /dts-v1/;
   6 /plugin/;
   7
   8 / {
   9         compatible = "brcm,bcm2835";
  10
  11         fragment@0 {
  12                 target = <&cma>;
  13                 frag0: __overlay__ {
  14                         /*
  15                          * The default size when using this overlay is 256 MB
  16                          * and should be kept as is for backwards
  17                          * compatibility.
  18                          */
  19                         size = <0x10000000>;
  20                 };
  21         };
  22
  23         __overrides__ {
  24                 cma-512 = <&frag0>,"size:0=",<0x20000000>;
  25                 cma-448 = <&frag0>,"size:0=",<0x1c000000>;
  26                 cma-384 = <&frag0>,"size:0=",<0x18000000>;
  27                 cma-320 = <&frag0>,"size:0=",<0x14000000>;
  28                 cma-256 = <&frag0>,"size:0=",<0x10000000>;
  29                 cma-192 = <&frag0>,"size:0=",<0xC000000>;
  30                 cma-128 = <&frag0>,"size:0=",<0x8000000>;
  31                 cma-96  = <&frag0>,"size:0=",<0x6000000>;
  32                 cma-64  = <&frag0>,"size:0=",<0x4000000>;
  33                 cma-size = <&frag0>,"size:0"; /* in bytes, 4MB aligned */
  34                 cma-default = <0>,"-0";
  35         };
  36 };