Documentation/devicetree/bindings/mtd/ti,am654-hbmc.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/mtd/ti,am654-hbmc.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: HyperBus Memory Controller (HBMC) on TI's K3 family of SoCs
   8
   9 maintainers:
  10   - Vignesh Raghavendra <vigneshr@ti.com>
  11
  12 properties:
  13   compatible:
  14     const: ti,am654-hbmc
  15
  16   reg:
  17     maxItems: 2
  18
  19   power-domains: true
  20   '#address-cells': true
  21   '#size-cells': true
  22   ranges: true
  23
  24   mux-controls:
  25     description: MMIO mux controller node to select b/w OSPI and HBMC.
  26
  27   clocks:
  28     maxItems: 1
  29
  30 patternProperties:
  31   "^flash@[0-1],[0-9a-f]+$":
  32     type: object
  33     $ref: mtd-physmap.yaml
  34     unevaluatedProperties: false
  35
  36 required:
  37   - compatible
  38   - reg
  39   - ranges
  40   - clocks
  41   - '#address-cells'
  42   - '#size-cells'
  43
  44 additionalProperties: false
  45
  46 examples:
  47   - |
  48     bus {
  49         #address-cells = <2>;
  50         #size-cells = <2>;
  51
  52         hbmc: memory-controller@47034000 {
  53             compatible = "ti,am654-hbmc";
  54             reg = <0x0 0x47034000 0x0 0x100>,
  55                   <0x5 0x00000000 0x1 0x0000000>;
  56             ranges = <0x0 0x0 0x5 0x00000000 0x4000000>, /* CS0 - 64MB */
  57                      <0x1 0x0 0x5 0x04000000 0x4000000>; /* CS1 - 64MB */
  58             clocks = <&k3_clks 102 0>;
  59             #address-cells = <2>;
  60             #size-cells = <1>;
  61             power-domains = <&k3_pds 55>;
  62             mux-controls = <&hbmc_mux 0>;
  63
  64             flash@0,0 {
  65                 compatible = "cypress,hyperflash", "cfi-flash";
  66                 reg = <0x0 0x0 0x4000000>;
  67                 #address-cells = <1>;
  68                 #size-cells = <1>;
  69             };
  70         };
  71     };