Documentation/devicetree/bindings/rng/brcm,bcm2835.yaml

   1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/rng/brcm,bcm2835.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: BCM2835/6368 Random number generator
   8
   9 maintainers:
  10   - Stefan Wahren <stefan.wahren@i2se.com>
  11   - Florian Fainelli <f.fainelli@gmail.com>
  12   - Herbert Xu <herbert@gondor.apana.org.au>
  13
  14 properties:
  15   compatible:
  16     enum:
  17       - brcm,bcm2835-rng
  18       - brcm,bcm-nsp-rng
  19       - brcm,bcm5301x-rng
  20       - brcm,bcm6368-rng
  21
  22   reg:
  23     maxItems: 1
  24
  25   clocks:
  26     maxItems: 1
  27
  28   clock-names:
  29     const: ipsec
  30
  31   resets:
  32     maxItems: 1
  33
  34   reset-names:
  35     const: ipsec
  36
  37   interrupts:
  38     maxItems: 1
  39
  40 required:
  41   - compatible
  42   - reg
  43
  44 if:
  45   properties:
  46     compatible:
  47       enum:
  48         - brcm,bcm6368-rng
  49 then:
  50   required:
  51     - clocks
  52     - clock-names
  53     - resets
  54     - reset-names
  55
  56 additionalProperties: false
  57
  58 examples:
  59   - |
  60     rng@7e104000 {
  61         compatible = "brcm,bcm2835-rng";
  62         reg = <0x7e104000 0x10>;
  63         interrupts = <2 29>;
  64     };
  65
  66   - |
  67     rng@18033000 {
  68         compatible = "brcm,bcm-nsp-rng";
  69         reg = <0x18033000 0x14>;
  70     };
  71
  72   - |
  73     rng@10004180 {
  74         compatible = "brcm,bcm6368-rng";
  75         reg = <0x10004180 0x14>;
  76
  77         clocks = <&periph_clk 18>;
  78         clock-names = "ipsec";
  79
  80         resets = <&periph_rst 4>;
  81         reset-names = "ipsec";
  82     };