git.openwrt.org Git - openwrt/staging/blocktrron.git/blob

   1 From 25478932f5d9e6f763cdf9a0ee2272e33510a76a Mon Sep 17 00:00:00 2001
   2 From: Michael Shych <michaelsh@nvidia.com>
   3 Date: Sat, 30 Apr 2022 14:49:04 +0300
   4 Subject: [PATCH] dt-bindings: hwmon: add microchip,emc2305.yaml dt
   5  binding description.
   6
   7 Submitted to linux-hwmon mailing list at
   8 https://patchwork.kernel.org/project/linux-hwmon/patch/20220430114905.53448-3-michaelsh@nvidia.com/
   9
  10 Add basic description of emc2305 driver device tree binding.
  11
  12 Signed-off-by: Michael Shych <michaelsh@nvidia.com>
  13 Reviewed-by: Vadim Pasternak <vadimp@nvidia.com>
  14 ---
  15  .../bindings/hwmon/microchip,emc2305.yaml     | 54 +++++++++++++++++++
  16  1 file changed, 54 insertions(+)
  17  create mode 100644 Documentation/devicetree/bindings/hwmon/microchip,emc2305.yaml
  18
  19 --- /dev/null
  20 +++ b/Documentation/devicetree/bindings/hwmon/microchip,emc2305.yaml
  21 @@ -0,0 +1,54 @@
  22 +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
  23 +%YAML 1.2
  24 +---
  25 +
  26 +$id: http://devicetree.org/schemas/hwmon/emc2305.yaml#
  27 +$schema: http://devicetree.org/meta-schemas/core.yaml#
  28 +
  29 +title: Microchip EMC2305 RPM-based PWM Fan Speed Controller
  30 +
  31 +properties:
  32 +  compatible:
  33 +    enum:
  34 +      - microcip,emc2305
  35 +
  36 +  emc2305,pwm-min:
  37 +    description:
  38 +      Min pwm of emc2305
  39 +    maxItems: 1
  40 +  emc2305,pwm-max:
  41 +    description:
  42 +      Max pwm of emc2305
  43 +    maxItems: 1
  44 +  emc2305,pwm-channel:
  45 +    description:
  46 +      Max number of pwm channels
  47 +    maxItems: 1
  48 +  emcs205,max-state:
  49 +    description:
  50 +    maxItems: 1
  51 +  emc2305,cooling-levels:
  52 +    description:
  53 +      Quantity of cooling level state.
  54 +    maxItems: 1
  55 +
  56 +required:
  57 +  - compatible
  58 +
  59 +optional:
  60 +  - emc2305,min-pwm
  61 +  - emc2305,max-pwm
  62 +  - emc2305,pwm-channels
  63 +  - emc2305,cooling-levels
  64 +
  65 +additionalProperties: false
  66 +
  67 +examples:
  68 +  - |
  69 +    fan {
  70 +        emc2305,compatible = "microchip,emc2305";
  71 +        emc2305,pwm-min = <0>;
  72 +        emc2305,pwm-max = <255>;
  73 +        emc2305,pwm-channel = <5>
  74 +        emc2305,cooling-levels = <10>;
  75 +    };