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-pxs2-ahci-phy
  20       - socionext,uniphier-pxs3-ahci-phy
  21
  22   reg:
  23     description: PHY register region (offset and length)
  24
  25   "#phy-cells":
  26     const: 0
  27
  28   clocks:
  29     maxItems: 2
  30
  31   clock-names:
  32     oneOf:
  33       - items:          # for PXs2
  34           - const: link
  35       - items:          # for others
  36           - const: link
  37           - const: phy
  38
  39   resets:
  40     maxItems: 2
  41
  42   reset-names:
  43     items:
  44       - const: link
  45       - const: phy
  46
  47 required:
  48   - compatible
  49   - reg
  50   - "#phy-cells"
  51   - clocks
  52   - clock-names
  53   - resets
  54   - reset-names
  55
  56 additionalProperties: false
  57
  58 examples:
  59   - |
  60     ahci-glue@65700000 {
  61         compatible = "socionext,uniphier-pxs3-ahci-glue",
  62                      "simple-mfd";
  63         #address-cells = <1>;
  64         #size-cells = <1>;
  65         ranges = <0 0x65700000 0x100>;
  66
  67         ahci_phy: phy@10 {
  68             compatible = "socionext,uniphier-pxs3-ahci-phy";
  69             reg = <0x10 0x10>;
  70             #phy-cells = <0>;
  71             clock-names = "link", "phy";
  72             clocks = <&sys_clk 28>, <&sys_clk 30>;
  73             reset-names = "link", "phy";
  74             resets = <&sys_rst 28>, <&sys_rst 30>;
  75         };
  76     };