bindings/peci/peci-aspeed.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/peci/peci-aspeed.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Aspeed PECI Bus
   8
   9 maintainers:
  10   - Iwona Winiarska <iwona.winiarska@intel.com>
  11   - Jae Hyun Yoo <jae.hyun.yoo@linux.intel.com>
  12
  13 allOf:
  14   - $ref: peci-controller.yaml#
  15
  16 properties:
  17   compatible:
  18     enum:
  19       - aspeed,ast2400-peci
  20       - aspeed,ast2500-peci
  21       - aspeed,ast2600-peci
  22
  23   reg:
  24     maxItems: 1
  25
  26   interrupts:
  27     maxItems: 1
  28
  29   clocks:
  30     description:
  31       Clock source for PECI controller. Should reference the external
  32       oscillator clock.
  33     maxItems: 1
  34
  35   resets:
  36     maxItems: 1
  37
  38   cmd-timeout-ms:
  39     minimum: 1
  40     maximum: 1000
  41     default: 1000
  42
  43   clock-frequency:
  44     description:
  45       The desired operation frequency of PECI controller in Hz.
  46     minimum: 2000
  47     maximum: 2000000
  48     default: 1000000
  49
  50 required:
  51   - compatible
  52   - reg
  53   - interrupts
  54   - clocks
  55   - resets
  56
  57 additionalProperties: false
  58
  59 examples:
  60   - |
  61     #include <dt-bindings/interrupt-controller/arm-gic.h>
  62     #include <dt-bindings/clock/ast2600-clock.h>
  63     peci-controller@1e78b000 {
  64       compatible = "aspeed,ast2600-peci";
  65       reg = <0x1e78b000 0x100>;
  66       interrupts = <GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH>;
  67       clocks = <&syscon ASPEED_CLK_GATE_REF0CLK>;
  68       resets = <&syscon ASPEED_RESET_PECI>;
  69       cmd-timeout-ms = <1000>;
  70       clock-frequency = <1000000>;
  71     };
  72 ...