Documentation/devicetree/bindings/pwm/nvidia,tegra20-pwm.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/pwm/nvidia,tegra20-pwm.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: NVIDIA Tegra PWFM controller
   8
   9 maintainers:
  10   - Thierry Reding <thierry.reding@gmail.com>
  11   - Jon Hunter <jonathanh@nvidia.com>
  12
  13 properties:
  14   compatible:
  15     oneOf:
  16       - enum:
  17           - nvidia,tegra20-pwm
  18           - nvidia,tegra186-pwm
  19
  20       - items:
  21           - enum:
  22               - nvidia,tegra30-pwm
  23               - nvidia,tegra114-pwm
  24               - nvidia,tegra124-pwm
  25               - nvidia,tegra132-pwm
  26               - nvidia,tegra210-pwm
  27           - enum:
  28               - nvidia,tegra20-pwm
  29
  30       - items:
  31           - const: nvidia,tegra194-pwm
  32           - const: nvidia,tegra186-pwm
  33
  34       - items:
  35           - const: nvidia,tegra234-pwm
  36           - const: nvidia,tegra194-pwm
  37
  38   reg:
  39     maxItems: 1
  40
  41   clocks:
  42     maxItems: 1
  43
  44   resets:
  45     items:
  46       - description: module reset
  47
  48   reset-names:
  49     items:
  50       - const: pwm
  51
  52   "#pwm-cells":
  53     const: 2
  54
  55   pinctrl-names:
  56     items:
  57       - const: default
  58       - const: sleep
  59
  60   pinctrl-0:
  61     description: configuration for the default/active state
  62
  63   pinctrl-1:
  64     description: configuration for the sleep state
  65
  66   operating-points-v2: true
  67
  68   power-domains:
  69     items:
  70       - description: phandle to the core power domain
  71
  72 allOf:
  73   - $ref: pwm.yaml
  74
  75 required:
  76   - compatible
  77   - reg
  78   - clocks
  79   - resets
  80   - reset-names
  81
  82 additionalProperties: false
  83
  84 examples:
  85   - |
  86     #include <dt-bindings/clock/tegra20-car.h>
  87
  88     pwm: pwm@7000a000 {
  89         compatible = "nvidia,tegra20-pwm";
  90         reg = <0x7000a000 0x100>;
  91         #pwm-cells = <2>;
  92         clocks = <&tegra_car TEGRA20_CLK_PWM>;
  93         resets = <&tegra_car 17>;
  94         reset-names = "pwm";
  95     };