Bindings/pwm/imx-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/imx-pwm.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Freescale i.MX PWM controller
   8
   9 maintainers:
  10   - Philipp Zabel <p.zabel@pengutronix.de>
  11
  12 properties:
  13   "#pwm-cells":
  14     description: |
  15       Should be 2 for i.MX1 and 3 for i.MX27 and newer SoCs. See pwm.yaml
  16       in this directory for a description of the cells format.
  17     enum:
  18       - 2
  19       - 3
  20
  21   compatible:
  22     enum:
  23       - fsl,imx1-pwm
  24       - fsl,imx27-pwm
  25
  26   reg:
  27     maxItems: 1
  28
  29   clocks:
  30     items:
  31       - description: SoC PWM ipg clock
  32       - description: SoC PWM per clock
  33
  34   clock-names:
  35     items:
  36       - const: ipg
  37       - const: per
  38
  39   interrupts:
  40     maxItems: 1
  41
  42 required:
  43   - "#pwm-cells"
  44   - compatible
  45   - reg
  46   - clocks
  47   - clock-names
  48   - interrupts
  49
  50 additionalProperties: false
  51
  52 examples:
  53   - |
  54     #include <dt-bindings/clock/imx5-clock.h>
  55
  56     pwm@53fb4000 {
  57         #pwm-cells = <3>;
  58         compatible = "fsl,imx27-pwm";
  59         reg = <0x53fb4000 0x4000>;
  60         clocks = <&clks IMX5_CLK_PWM1_IPG_GATE>,
  61                  <&clks IMX5_CLK_PWM1_HF_GATE>;
  62         clock-names = "ipg", "per";
  63         interrupts = <61>;
  64     };