kernel/Documentation/devicetree/bindings/powerpc/fsl/lbc.txt

   1 * Chipselect/Local Bus
   2
   3 Properties:
   4 - name : Should be localbus
   5 - #address-cells : Should be either two or three.  The first cell is the
   6                    chipselect number, and the remaining cells are the
   7                    offset into the chipselect.
   8 - #size-cells : Either one or two, depending on how large each chipselect
   9                 can be.
  10 - ranges : Each range corresponds to a single chipselect, and cover
  11            the entire access window as configured.
  12
  13 Example:
  14         localbus@f0010100 {
  15                 compatible = "fsl,mpc8272-localbus",
  16                            "fsl,pq2-localbus";
  17                 #address-cells = <2>;
  18                 #size-cells = <1>;
  19                 reg = <0xf0010100 0x40>;
  20
  21                 ranges = <0x0 0x0 0xfe000000 0x02000000
  22                           0x1 0x0 0xf4500000 0x00008000
  23                           0x2 0x0 0xfd810000 0x00010000>;
  24
  25                 flash@0,0 {
  26                         compatible = "jedec-flash";
  27                         reg = <0x0 0x0 0x2000000>;
  28                         bank-width = <4>;
  29                         device-width = <1>;
  30                 };
  31
  32                 board-control@1,0 {
  33                         reg = <0x1 0x0 0x20>;
  34                         compatible = "fsl,mpc8272ads-bcsr";
  35                 };
  36
  37                 simple-periph@2,0 {
  38                         compatible = "fsl,elbc-gpcm-uio";
  39                         reg = <0x2 0x0 0x10000>;
  40                         elbc-gpcm-br = <0xfd810800>;
  41                         elbc-gpcm-or = <0xffff09f7>;
  42                 };
  43         };