Documentation/devicetree/bindings/phy/socionext,uniphier-ahci-phy.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/phy/socionext,uniphier-ahci-phy.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Socionext UniPhier AHCI PHY
   8
   9 description: |
  10   This describes the deivcetree bindings for PHY interfaces built into
  11   AHCI controller implemented on Socionext UniPhier SoCs.
  12
  13 maintainers:
  14   - Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
  15
  16 properties:
  17   compatible:
  18     enum:
  19       - socionext,uniphier-pro4-ahci-phy
  20       - socionext,uniphier-pxs2-ahci-phy
  21       - socionext,uniphier-pxs3-ahci-phy
  22
  23   reg:
  24     maxItems: 1
  25
  26   "#phy-cells":
  27     const: 0
  28
  29   clocks:
  30     minItems: 1
  31     maxItems: 2
  32
  33   clock-names:
  34     oneOf:
  35       - items:          # for PXs2
  36           - const: link
  37       - items:          # for Pro4
  38           - const: link
  39           - const: gio
  40       - items:          # for others
  41           - const: link
  42           - const: phy
  43
  44   resets:
  45     minItems: 2
  46     maxItems: 5
  47
  48   reset-names:
  49     oneOf:
  50       - items:          # for Pro4
  51           - const: link
  52           - const: gio
  53           - const: pm
  54           - const: tx
  55           - const: rx
  56       - items:          # for others
  57           - const: link
  58           - const: phy
  59
  60 required:
  61   - compatible
  62   - reg
  63   - "#phy-cells"
  64   - clocks
  65   - clock-names
  66   - resets
  67   - reset-names
  68
  69 additionalProperties: false
  70
  71 examples:
  72   - |
  73     ahci-glue@65700000 {
  74         compatible = "socionext,uniphier-pxs3-ahci-glue",
  75                      "simple-mfd";
  76         #address-cells = <1>;
  77         #size-cells = <1>;
  78         ranges = <0 0x65700000 0x100>;
  79
  80         ahci_phy: phy@10 {
  81             compatible = "socionext,uniphier-pxs3-ahci-phy";
  82             reg = <0x10 0x10>;
  83             #phy-cells = <0>;
  84             clock-names = "link", "phy";
  85             clocks = <&sys_clk 28>, <&sys_clk 30>;
  86             reset-names = "link", "phy";
  87             resets = <&sys_rst 28>, <&sys_rst 30>;
  88         };
  89     };