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     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     };
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