xref: /linux/Documentation/devicetree/bindings/pwm/renesas,pwm-rcar.yaml (revision 6fdcba32711044c35c0e1b094cbd8f3f0b4472c9) 
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
7title: Renesas R-Car PWM Timer Controller
8
9maintainers:
10  - Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
11
12properties:
13  compatible:
14    items:
15      - enum:
16          - renesas,pwm-r8a7743   # RZ/G1M
17          - renesas,pwm-r8a7744   # RZ/G1N
18          - renesas,pwm-r8a7745   # RZ/G1E
19          - renesas,pwm-r8a77470  # RZ/G1C
20          - renesas,pwm-r8a774a1  # RZ/G2M
21          - renesas,pwm-r8a774b1  # RZ/G2N
22          - renesas,pwm-r8a774c0  # RZ/G2E
23          - renesas,pwm-r8a7778   # R-Car M1A
24          - renesas,pwm-r8a7779   # R-Car H1
25          - renesas,pwm-r8a7790   # R-Car H2
26          - renesas,pwm-r8a7791   # R-Car M2-W
27          - renesas,pwm-r8a7794   # R-Car E2
28          - renesas,pwm-r8a7795   # R-Car H3
29          - renesas,pwm-r8a7796   # R-Car M3-W
30          - renesas,pwm-r8a77965  # R-Car M3-N
31          - renesas,pwm-r8a77970  # R-Car V3M
32          - renesas,pwm-r8a77980  # R-Car V3H
33          - renesas,pwm-r8a77990  # R-Car E3
34          - renesas,pwm-r8a77995  # R-Car D3
35      - const: renesas,pwm-rcar
36
37  reg:
38    # base address and length of the registers block for the PWM.
39    maxItems: 1
40
41  '#pwm-cells':
42    # should be 2. See pwm.yaml in this directory for a description of
43    # the cells format.
44    const: 2
45
46  clocks:
47    # clock phandle and specifier pair.
48    maxItems: 1
49
50  power-domains:
51    maxItems: 1
52
53  resets:
54    maxItems: 1
55
56required:
57  - compatible
58  - reg
59  - '#pwm-cells'
60  - clocks
61
62additionalProperties: false
63
64examples:
65  - |
66    #include <dt-bindings/clock/r8a7743-cpg-mssr.h>
67    #include <dt-bindings/power/r8a7743-sysc.h>
68
69    pwm0: pwm@e6e30000 {
70        compatible = "renesas,pwm-r8a7743", "renesas,pwm-rcar";
71        reg = <0 0xe6e30000 0 0x8>;
72        clocks = <&cpg CPG_MOD 523>;
73        power-domains = <&sysc R8A7743_PD_ALWAYS_ON>;
74        resets = <&cpg 523>;
75        #pwm-cells = <2>;
76        pinctrl-0 = <&pwm0_pins>;
77        pinctrl-names = "default";
78    };
79