xref: /linux/Documentation/devicetree/bindings/pwm/renesas,pwm-rcar.yaml (revision c532de5a67a70f8533d495f8f2aaa9a0491c3ad0) 
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          - renesas,pwm-r8a779h0  # R-Car V4M
41      - const: renesas,pwm-rcar
42
43  reg:
44    # base address and length of the registers block for the PWM.
45    maxItems: 1
46
47  '#pwm-cells':
48    # should be 2. See pwm.yaml in this directory for a description of
49    # the cells format.
50    const: 2
51
52  clocks:
53    # clock phandle and specifier pair.
54    maxItems: 1
55
56  power-domains:
57    maxItems: 1
58
59  resets:
60    maxItems: 1
61
62required:
63  - compatible
64  - reg
65  - clocks
66  - power-domains
67
68allOf:
69  - $ref: pwm.yaml#
70
71  - if:
72      not:
73        properties:
74          compatible:
75            contains:
76              enum:
77                - renesas,pwm-r8a7778
78                - renesas,pwm-r8a7779
79    then:
80      required:
81        - resets
82
83additionalProperties: false
84
85examples:
86  - |
87    #include <dt-bindings/clock/r8a7743-cpg-mssr.h>
88    #include <dt-bindings/power/r8a7743-sysc.h>
89
90    pwm0: pwm@e6e30000 {
91        compatible = "renesas,pwm-r8a7743", "renesas,pwm-rcar";
92        reg = <0xe6e30000 0x8>;
93        clocks = <&cpg CPG_MOD 523>;
94        power-domains = <&sysc R8A7743_PD_ALWAYS_ON>;
95        resets = <&cpg 523>;
96        #pwm-cells = <2>;
97        pinctrl-0 = <&pwm0_pins>;
98        pinctrl-names = "default";
99    };
100