Documentation/devicetree/bindings/crypto/rockchip,rk3288-crypto.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/crypto/rockchip,rk3288-crypto.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Rockchip Electronics Security Accelerator
   8
   9 maintainers:
  10   - Heiko Stuebner <heiko@sntech.de>
  11
  12 properties:
  13   compatible:
  14     enum:
  15       - rockchip,rk3288-crypto
  16       - rockchip,rk3328-crypto
  17       - rockchip,rk3399-crypto
  18
  19   reg:
  20     maxItems: 1
  21
  22   interrupts:
  23     maxItems: 1
  24
  25   clocks:
  26     minItems: 3
  27     maxItems: 4
  28
  29   clock-names:
  30     minItems: 3
  31     maxItems: 4
  32
  33   resets:
  34     minItems: 1
  35     maxItems: 3
  36
  37   reset-names:
  38     minItems: 1
  39     maxItems: 3
  40
  41 allOf:
  42   - if:
  43       properties:
  44         compatible:
  45           contains:
  46             const: rockchip,rk3288-crypto
  47     then:
  48       properties:
  49         clocks:
  50           minItems: 4
  51         clock-names:
  52           items:
  53             - const: aclk
  54             - const: hclk
  55             - const: sclk
  56             - const: apb_pclk
  57         resets:
  58           maxItems: 1
  59         reset-names:
  60           items:
  61             - const: crypto-rst
  62   - if:
  63       properties:
  64         compatible:
  65           contains:
  66             const: rockchip,rk3328-crypto
  67     then:
  68       properties:
  69         clocks:
  70           maxItems: 3
  71         clock-names:
  72           items:
  73             - const: hclk_master
  74             - const: hclk_slave
  75             - const: sclk
  76         resets:
  77           maxItems: 1
  78         reset-names:
  79           items:
  80             - const: crypto-rst
  81   - if:
  82       properties:
  83         compatible:
  84           contains:
  85             const: rockchip,rk3399-crypto
  86     then:
  87       properties:
  88         clocks:
  89           maxItems: 3
  90         clock-names:
  91           items:
  92             - const: hclk_master
  93             - const: hclk_slave
  94             - const: sclk
  95         resets:
  96           minItems: 3
  97         reset-names:
  98           items:
  99             - const: master
 100             - const: slave
 101             - const: crypto-rst
 102
 103 required:
 104   - compatible
 105   - reg
 106   - interrupts
 107   - clocks
 108   - clock-names
 109   - resets
 110   - reset-names
 111
 112 additionalProperties: false
 113
 114 examples:
 115   - |
 116     #include <dt-bindings/interrupt-controller/arm-gic.h>
 117     #include <dt-bindings/clock/rk3288-cru.h>
 118     crypto@ff8a0000 {
 119       compatible = "rockchip,rk3288-crypto";
 120       reg = <0xff8a0000 0x4000>;
 121       interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>;
 122       clocks = <&cru ACLK_CRYPTO>, <&cru HCLK_CRYPTO>,
 123                <&cru SCLK_CRYPTO>, <&cru ACLK_DMAC1>;
 124       clock-names = "aclk", "hclk", "sclk", "apb_pclk";
 125       resets = <&cru SRST_CRYPTO>;
 126       reset-names = "crypto-rst";
 127     };