Documentation/devicetree/bindings/mmc/snps,dwcmshc-sdhci.yaml

   1 # SPDX-License-Identifier: GPL-2.0-only
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/mmc/snps,dwcmshc-sdhci.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Synopsys Designware Mobile Storage Host Controller Binding
   8
   9 maintainers:
  10   - Ulf Hansson <ulf.hansson@linaro.org>
  11   - Jisheng Zhang <Jisheng.Zhang@synaptics.com>
  12
  13 allOf:
  14   - $ref: mmc-controller.yaml#
  15
  16 properties:
  17   compatible:
  18     enum:
  19       - rockchip,rk3568-dwcmshc
  20       - rockchip,rk3588-dwcmshc
  21       - snps,dwcmshc-sdhci
  22
  23   reg:
  24     maxItems: 1
  25
  26   interrupts:
  27     maxItems: 1
  28
  29   clocks:
  30     minItems: 1
  31     items:
  32       - description: core clock
  33       - description: bus clock for optional
  34       - description: axi clock for rockchip specified
  35       - description: block clock for rockchip specified
  36       - description: timer clock for rockchip specified
  37
  38
  39   clock-names:
  40     minItems: 1
  41     items:
  42       - const: core
  43       - const: bus
  44       - const: axi
  45       - const: block
  46       - const: timer
  47
  48   rockchip,txclk-tapnum:
  49     description: Specify the number of delay for tx sampling.
  50     $ref: /schemas/types.yaml#/definitions/uint8
  51
  52
  53 required:
  54   - compatible
  55   - reg
  56   - interrupts
  57   - clocks
  58   - clock-names
  59
  60 unevaluatedProperties: false
  61
  62 examples:
  63   - |
  64     mmc@fe310000 {
  65       compatible = "rockchip,rk3568-dwcmshc";
  66       reg = <0xfe310000 0x10000>;
  67       interrupts = <0 25 0x4>;
  68       clocks = <&cru 17>, <&cru 18>, <&cru 19>, <&cru 20>, <&cru 21>;
  69       clock-names = "core", "bus", "axi", "block", "timer";
  70       bus-width = <8>;
  71       #address-cells = <1>;
  72       #size-cells = <0>;
  73     };
  74   - |
  75     mmc@aa0000 {
  76       compatible = "snps,dwcmshc-sdhci";
  77       reg = <0xaa000 0x1000>;
  78       interrupts = <0 25 0x4>;
  79       clocks = <&cru 17>, <&cru 18>;
  80       clock-names = "core", "bus";
  81       bus-width = <8>;
  82       #address-cells = <1>;
  83       #size-cells = <0>;
  84     };
  85
  86 ...