synopsys-dw-mshc.yaml

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    1 # SPDX-License-Identifier: GPL-2.0
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/mmc/synopsys-dw-mshc.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Synopsys Designware Mobile Storage Host Controller Binding
    8 
    9 allOf:
   10   - $ref: "synopsys-dw-mshc-common.yaml#"
   11 
   12 maintainers:
   13   - Ulf Hansson <ulf.hansson@linaro.org>
   14 
   15 # Everything else is described in the common file
   16 properties:
   17   compatible:
   18     enum:
   19       - altr,socfpga-dw-mshc
   20       - img,pistachio-dw-mshc
   21       - snps,dw-mshc
   22 
   23   reg:
   24     maxItems: 1
   25 
   26   interrupts:
   27     maxItems: 1
   28 
   29   clocks:
   30     minItems: 2
   31     maxItems: 2
   32     description:
   33       Handle to "biu" and "ciu" clocks for the
   34       bus interface unit clock and the card interface unit clock.
   35 
   36   clock-names:
   37     items:
   38       - const: biu
   39       - const: ciu
   40 
   41 required:
   42   - compatible
   43   - reg
   44   - interrupts
   45   - clocks
   46   - clock-names
   47 
   48 unevaluatedProperties: false
   49 
   50 examples:
   51   - |
   52     mmc@12200000 {
   53       compatible = "snps,dw-mshc";
   54       reg = <0x12200000 0x1000>;
   55       interrupts = <0 75 0>;
   56       clocks = <&clock 351>, <&clock 132>;
   57       clock-names = "biu", "ciu";
   58       dmas = <&pdma 12>;
   59       dma-names = "rx-tx";
   60       resets = <&rst 20>;
   61       reset-names = "reset";
   62       vmmc-supply = <&buck8>;
   63       #address-cells = <1>;
   64       #size-cells = <0>;
   65       broken-cd;
   66       bus-width = <8>;
   67       cap-mmc-highspeed;
   68       cap-sd-highspeed;
   69       card-detect-delay = <200>;
   70       max-frequency = <200000000>;
   71       clock-frequency = <400000000>;
   72       data-addr = <0x200>;
   73       fifo-depth = <0x80>;
   74       fifo-watermark-aligned;
   75     };

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sys/contrib/device-tree/Bindings/mmc/synopsys-dw-mshc.yaml