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 Device Tree Bindings
   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       - const: allwinner,sun4i-a10-sram-controller
  28         deprecated: true
  29       - const: allwinner,sun4i-a10-system-control
  30       - const: allwinner,sun5i-a13-system-control
  31       - items:
  32           - const: allwinner,sun7i-a20-system-control
  33           - const: allwinner,sun4i-a10-system-control
  34       - const: allwinner,sun8i-a23-system-control
  35       - const: allwinner,sun8i-h3-system-control
  36       - items:
  37           - const: allwinner,sun8i-v3s-system-control
  38           - const: allwinner,sun8i-h3-system-control
  39       - items:
  40           - const: allwinner,sun8i-r40-system-control
  41           - const: allwinner,sun4i-a10-system-control
  42       - const: allwinner,sun50i-a64-sram-controller
  43         deprecated: true
  44       - const: allwinner,sun50i-a64-system-control
  45       - const: allwinner,sun50i-h5-system-control
  46       - items:
  47           - const: allwinner,sun50i-h6-system-control
  48           - const: allwinner,sun50i-a64-system-control
  49       - items:
  50           - const: allwinner,suniv-f1c100s-system-control
  51           - const: allwinner,sun4i-a10-system-control
  52
  53   reg:
  54     maxItems: 1
  55
  56   ranges: true
  57
  58 patternProperties:
  59   "^sram@[a-z0-9]+":
  60     type: object
  61
  62     properties:
  63       compatible:
  64         const: mmio-sram
  65
  66     patternProperties:
  67       "^sram-section?@[a-f0-9]+$":
  68         type: object
  69
  70         properties:
  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                   - const: allwinner,sun5i-a13-sram-a3-a4
  79                   - const: allwinner,sun4i-a10-sram-a3-a4
  80               - items:
  81                   - const: allwinner,sun7i-a20-sram-a3-a4
  82                   - const: allwinner,sun4i-a10-sram-a3-a4
  83               - items:
  84                   - const: allwinner,sun5i-a13-sram-c1
  85                   - const: allwinner,sun4i-a10-sram-c1
  86               - items:
  87                   - const: allwinner,sun7i-a20-sram-c1
  88                   - const: allwinner,sun4i-a10-sram-c1
  89               - items:
  90                   - const: allwinner,sun8i-a23-sram-c1
  91                   - const: allwinner,sun4i-a10-sram-c1
  92               - items:
  93                   - const: allwinner,sun8i-h3-sram-c1
  94                   - const: allwinner,sun4i-a10-sram-c1
  95               - items:
  96                   - const: allwinner,sun8i-r40-sram-c1
  97                   - const: allwinner,sun4i-a10-sram-c1
  98               - items:
  99                   - const: allwinner,sun50i-a64-sram-c1
 100                   - const: allwinner,sun4i-a10-sram-c1
 101               - items:
 102                   - const: allwinner,sun50i-h5-sram-c1
 103                   - const: allwinner,sun4i-a10-sram-c1
 104               - items:
 105                   - const: allwinner,sun50i-h6-sram-c1
 106                   - const: allwinner,sun4i-a10-sram-c1
 107               - items:
 108                   - const: allwinner,sun5i-a13-sram-d
 109                   - const: allwinner,sun4i-a10-sram-d
 110               - items:
 111                   - const: allwinner,sun7i-a20-sram-d
 112                   - const: allwinner,sun4i-a10-sram-d
 113               - items:
 114                   - const: allwinner,suniv-f1c100s-sram-d
 115                   - const: allwinner,sun4i-a10-sram-d
 116               - items:
 117                   - const: allwinner,sun50i-h6-sram-c
 118                   - const: allwinner,sun50i-a64-sram-c
 119
 120 required:
 121   - "#address-cells"
 122   - "#size-cells"
 123   - compatible
 124   - reg
 125
 126 additionalProperties: false
 127
 128 examples:
 129   - |
 130     system-control@1c00000 {
 131       compatible = "allwinner,sun4i-a10-system-control";
 132       reg = <0x01c00000 0x30>;
 133       #address-cells = <1>;
 134       #size-cells = <1>;
 135       ranges;
 136
 137       sram_a: sram@0 {
 138         compatible = "mmio-sram";
 139         reg = <0x00000000 0xc000>;
 140         #address-cells = <1>;
 141         #size-cells = <1>;
 142         ranges = <0 0x00000000 0xc000>;
 143
 144         emac_sram: sram-section@8000 {
 145           compatible = "allwinner,sun4i-a10-sram-a3-a4";
 146           reg = <0x8000 0x4000>;
 147         };
 148       };
 149     };