Bindings/hwinfo/samsung,exynos-chipid.yaml

   1 # SPDX-License-Identifier: GPL-2.0
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/hwinfo/samsung,exynos-chipid.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Samsung Exynos SoC series Chipid driver
   8
   9 maintainers:
  10   - Krzysztof Kozlowski <krzk@kernel.org>
  11
  12 properties:
  13   compatible:
  14     oneOf:
  15       - enum:
  16           - samsung,exynos4210-chipid
  17           - samsung,exynos850-chipid
  18       - items:
  19           - enum:
  20               - samsung,exynos5433-chipid
  21               - samsung,exynos7-chipid
  22           - const: samsung,exynos4210-chipid
  23       - items:
  24           - enum:
  25               - samsung,exynos7885-chipid
  26               - samsung,exynosautov9-chipid
  27               - samsung,exynosautov920-chipid
  28           - const: samsung,exynos850-chipid
  29
  30   reg:
  31     maxItems: 1
  32
  33   samsung,asv-bin:
  34     description:
  35       Adaptive Supply Voltage bin selection. This can be used
  36       to determine the ASV bin of an SoC if respective information
  37       is missing in the CHIPID registers or in the OTP memory.
  38     $ref: /schemas/types.yaml#/definitions/uint32
  39     enum: [0, 1, 2, 3]
  40
  41 required:
  42   - compatible
  43   - reg
  44
  45 additionalProperties: false
  46
  47 examples:
  48   - |
  49     chipid@10000000 {
  50         compatible = "samsung,exynos4210-chipid";
  51         reg = <0x10000000 0x100>;
  52         samsung,asv-bin = <2>;
  53     };