Documentation/devicetree/bindings/sram/allwinner,sun4i-a10-system-control.yaml

   1 # SPDX-License-Identifier: GPL-2.0+
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/sram/allwinner,sun4i-a10-system-control.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Allwinner A10 System Control
   8
   9 maintainers:
  10   - Chen-Yu Tsai <wens@csie.org>
  11   - Maxime Ripard <mripard@kernel.org>
  12
  13 description:
  14   The SRAM controller found on most Allwinner devices is represented
  15   by a regular node for the SRAM controller itself, with sub-nodes
  16   representing the SRAM handled by the SRAM controller.
  17
  18 properties:
  19   "#address-cells":
  20     const: 1
  21
  22   "#size-cells":
  23     const: 1
  24
  25   compatible:
  26     oneOf:
  27       - enum:
  28           - allwinner,sun4i-a10-sram-controller
  29           - allwinner,sun50i-a64-sram-controller
  30         deprecated: true
  31       - enum:
  32           - allwinner,sun4i-a10-system-control
  33           - allwinner,sun5i-a13-system-control
  34           - allwinner,sun8i-a23-system-control
  35           - allwinner,sun8i-h3-system-control
  36           - allwinner,sun20i-d1-system-control
  37           - allwinner,sun50i-a64-system-control
  38           - allwinner,sun50i-h5-system-control
  39           - allwinner,sun50i-h616-system-control
  40       - items:
  41           - enum:
  42               - allwinner,suniv-f1c100s-system-control
  43               - allwinner,sun7i-a20-system-control
  44               - allwinner,sun8i-r40-system-control
  45           - const: allwinner,sun4i-a10-system-control
  46       - items:
  47           - const: allwinner,sun8i-v3s-system-control
  48           - const: allwinner,sun8i-h3-system-control
  49       - items:
  50           - const: allwinner,sun50i-h6-system-control
  51           - const: allwinner,sun50i-a64-system-control
  52
  53   reg:
  54     maxItems: 1
  55
  56   ranges: true
  57
  58 patternProperties:
  59   "^sram@[a-f0-9]+":
  60     $ref: /schemas/sram/sram.yaml#
  61     unevaluatedProperties: false
  62
  63     patternProperties:
  64       "^sram-section?@[a-f0-9]+$":
  65         type: object
  66         additionalProperties: false
  67
  68         properties:
  69           reg: true
  70
  71           compatible:
  72             oneOf:
  73               - const: allwinner,sun4i-a10-sram-a3-a4
  74               - const: allwinner,sun4i-a10-sram-c1
  75               - const: allwinner,sun4i-a10-sram-d
  76               - const: allwinner,sun50i-a64-sram-c
  77               - items:
  78                   - enum:
  79                       - allwinner,sun5i-a13-sram-a3-a4
  80                       - allwinner,sun7i-a20-sram-a3-a4
  81                   - const: allwinner,sun4i-a10-sram-a3-a4
  82               - items:
  83                   - enum:
  84                       - allwinner,sun5i-a13-sram-c1
  85                       - allwinner,sun7i-a20-sram-c1
  86                       - allwinner,sun8i-a23-sram-c1
  87                       - allwinner,sun8i-h3-sram-c1
  88                       - allwinner,sun8i-r40-sram-c1
  89                       - allwinner,sun50i-a64-sram-c1
  90                       - allwinner,sun50i-h5-sram-c1
  91                       - allwinner,sun50i-h6-sram-c1
  92                   - const: allwinner,sun4i-a10-sram-c1
  93               - items:
  94                   - enum:
  95                       - allwinner,suniv-f1c100s-sram-d
  96                       - allwinner,sun5i-a13-sram-d
  97                       - allwinner,sun7i-a20-sram-d
  98                   - const: allwinner,sun4i-a10-sram-d
  99               - items:
 100                   - const: allwinner,sun50i-h6-sram-c
 101                   - const: allwinner,sun50i-a64-sram-c
 102
 103 required:
 104   - "#address-cells"
 105   - "#size-cells"
 106   - compatible
 107   - reg
 108
 109 additionalProperties: false
 110
 111 examples:
 112   - |
 113     system-control@1c00000 {
 114       compatible = "allwinner,sun4i-a10-system-control";
 115       reg = <0x01c00000 0x30>;
 116       #address-cells = <1>;
 117       #size-cells = <1>;
 118       ranges;
 119
 120       sram_a: sram@0 {
 121         compatible = "mmio-sram";
 122         reg = <0x00000000 0xc000>;
 123         #address-cells = <1>;
 124         #size-cells = <1>;
 125         ranges = <0 0x00000000 0xc000>;
 126
 127         emac_sram: sram-section@8000 {
 128           compatible = "allwinner,sun4i-a10-sram-a3-a4";
 129           reg = <0x8000 0x4000>;
 130         };
 131       };
 132     };