Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.yaml

   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     const: snps,dw-mshc
  19
  20   reg:
  21     maxItems: 1
  22
  23   interrupts:
  24     maxItems: 1
  25
  26   clocks:
  27     minItems: 2
  28     maxItems: 2
  29     description:
  30       Handle to "biu" and "ciu" clocks for the
  31       bus interface unit clock and the card interface unit clock.
  32
  33   clock-names:
  34     items:
  35       - const: biu
  36       - const: ciu
  37
  38 required:
  39   - compatible
  40   - reg
  41   - interrupts
  42   - clocks
  43   - clock-names
  44
  45 examples:
  46   - |
  47     mmc@12200000 {
  48       compatible = "snps,dw-mshc";
  49       reg = <0x12200000 0x1000>;
  50       interrupts = <0 75 0>;
  51       clocks = <&clock 351>, <&clock 132>;
  52       clock-names = "biu", "ciu";
  53       dmas = <&pdma 12>;
  54       dma-names = "rx-tx";
  55       resets = <&rst 20>;
  56       reset-names = "reset";
  57       vmmc-supply = <&buck8>;
  58       #address-cells = <1>;
  59       #size-cells = <0>;
  60       broken-cd;
  61       bus-width = <8>;
  62       cap-mmc-highspeed;
  63       cap-sd-highspeed;
  64       card-detect-delay = <200>;
  65       max-frequency = <200000000>;
  66       clock-frequency = <400000000>;
  67       data-addr = <0x200>;
  68       fifo-depth = <0x80>;
  69       fifo-watermark-aligned;
  70     };