xref: /linux/Documentation/devicetree/bindings/pwm/renesas,pwm-rcar.yaml (revision 42874e4eb35bdfc54f8514685e50434098ba4f6c) 
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-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          - renesas,pwm-r8a779a0  # R-Car V3U
39          - renesas,pwm-r8a779g0  # R-Car V4H
40      - const: renesas,pwm-rcar
41
42  reg:
43    # base address and length of the registers block for the PWM.
44    maxItems: 1
45
46  '#pwm-cells':
47    # should be 2. See pwm.yaml in this directory for a description of
48    # the cells format.
49    const: 2
50
51  clocks:
52    # clock phandle and specifier pair.
53    maxItems: 1
54
55  power-domains:
56    maxItems: 1
57
58  resets:
59    maxItems: 1
60
61required:
62  - compatible
63  - reg
64  - clocks
65  - power-domains
66
67allOf:
68  - $ref: pwm.yaml#
69
70  - if:
71      not:
72        properties:
73          compatible:
74            contains:
75              enum:
76                - renesas,pwm-r8a7778
77                - renesas,pwm-r8a7779
78    then:
79      required:
80        - resets
81
82additionalProperties: false
83
84examples:
85  - |
86    #include <dt-bindings/clock/r8a7743-cpg-mssr.h>
87    #include <dt-bindings/power/r8a7743-sysc.h>
88
89    pwm0: pwm@e6e30000 {
90        compatible = "renesas,pwm-r8a7743", "renesas,pwm-rcar";
91        reg = <0xe6e30000 0x8>;
92        clocks = <&cpg CPG_MOD 523>;
93        power-domains = <&sysc R8A7743_PD_ALWAYS_ON>;
94        resets = <&cpg 523>;
95        #pwm-cells = <2>;
96        pinctrl-0 = <&pwm0_pins>;
97        pinctrl-names = "default";
98    };
99