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
  34 required:
  35   - compatible
  36   - reg
  37   - ranges
  38   - clocks
  39   - '#address-cells'
  40   - '#size-cells'
  41
  42 additionalProperties: false
  43
  44 examples:
  45   - |
  46     bus {
  47       #address-cells = <2>;
  48       #size-cells = <2>;
  49
  50       hbmc: memory-controller@47034000 {
  51         compatible = "ti,am654-hbmc";
  52         reg = <0x0 0x47034000 0x0 0x100>,
  53               <0x5 0x00000000 0x1 0x0000000>;
  54         ranges = <0x0 0x0 0x5 0x00000000 0x4000000>, /* CS0 - 64MB */
  55                  <0x1 0x0 0x5 0x04000000 0x4000000>; /* CS1 - 64MB */
  56         clocks = <&k3_clks 102 0>;
  57         #address-cells = <2>;
  58         #size-cells = <1>;
  59         power-domains = <&k3_pds 55>;
  60         mux-controls = <&hbmc_mux 0>;
  61
  62         flash@0,0 {
  63             compatible = "cypress,hyperflash", "cfi-flash";
  64             reg = <0x0 0x0 0x4000000>;
  65             #address-cells = <1>;
  66             #size-cells = <1>;
  67         };
  68       };
  69     };