Documentation/devicetree/bindings/pwm/renesas,pwm-rcar.yaml

   1 # SPDX-License-Identifier: GPL-2.0
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/pwm/renesas,pwm-rcar.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Renesas R-Car PWM Timer Controller
   8
   9 maintainers:
  10   - Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
  11
  12 properties:
  13   compatible:
  14     items:
  15       - enum:
  16           - renesas,pwm-r8a7742   # RZ/G1H
  17           - renesas,pwm-r8a7743   # RZ/G1M
  18           - renesas,pwm-r8a7744   # RZ/G1N
  19           - renesas,pwm-r8a7745   # RZ/G1E
  20           - renesas,pwm-r8a77470  # RZ/G1C
  21           - renesas,pwm-r8a774a1  # RZ/G2M
  22           - renesas,pwm-r8a774b1  # RZ/G2N
  23           - renesas,pwm-r8a774c0  # RZ/G2E
  24           - renesas,pwm-r8a774e1  # RZ/G2H
  25           - renesas,pwm-r8a7778   # R-Car M1A
  26           - renesas,pwm-r8a7779   # R-Car H1
  27           - renesas,pwm-r8a7790   # R-Car H2
  28           - renesas,pwm-r8a7791   # R-Car M2-W
  29           - renesas,pwm-r8a7794   # R-Car E2
  30           - renesas,pwm-r8a7795   # R-Car H3
  31           - renesas,pwm-r8a7796   # R-Car M3-W
  32           - renesas,pwm-r8a77961  # R-Car M3-W+
  33           - renesas,pwm-r8a77965  # R-Car M3-N
  34           - renesas,pwm-r8a77970  # R-Car V3M
  35           - renesas,pwm-r8a77980  # R-Car V3H
  36           - renesas,pwm-r8a77990  # R-Car E3
  37           - renesas,pwm-r8a77995  # R-Car D3
  38       - const: renesas,pwm-rcar
  39
  40   reg:
  41     # base address and length of the registers block for the PWM.
  42     maxItems: 1
  43
  44   '#pwm-cells':
  45     # should be 2. See pwm.yaml in this directory for a description of
  46     # the cells format.
  47     const: 2
  48
  49   clocks:
  50     # clock phandle and specifier pair.
  51     maxItems: 1
  52
  53   power-domains:
  54     maxItems: 1
  55
  56   resets:
  57     maxItems: 1
  58
  59 required:
  60   - compatible
  61   - reg
  62   - '#pwm-cells'
  63   - clocks
  64   - power-domains
  65
  66 if:
  67   not:
  68     properties:
  69       compatible:
  70         contains:
  71           enum:
  72             - renesas,pwm-r8a7778
  73             - renesas,pwm-r8a7779
  74 then:
  75   required:
  76     - resets
  77
  78 additionalProperties: false
  79
  80 examples:
  81   - |
  82     #include <dt-bindings/clock/r8a7743-cpg-mssr.h>
  83     #include <dt-bindings/power/r8a7743-sysc.h>
  84
  85     pwm0: pwm@e6e30000 {
  86         compatible = "renesas,pwm-r8a7743", "renesas,pwm-rcar";
  87         reg = <0xe6e30000 0x8>;
  88         clocks = <&cpg CPG_MOD 523>;
  89         power-domains = <&sysc R8A7743_PD_ALWAYS_ON>;
  90         resets = <&cpg 523>;
  91         #pwm-cells = <2>;
  92         pinctrl-0 = <&pwm0_pins>;
  93         pinctrl-names = "default";
  94     };