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Tom Rini53633a82024-02-29 12:33:36 -05001# SPDX-License-Identifier: GPL-2.0
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/pwm/renesas,tpu-pwm.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Renesas R-Car Timer Pulse Unit PWM Controller
8
9maintainers:
10 - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
11
12select:
13 properties:
14 compatible:
15 contains:
16 const: renesas,tpu
17 required:
18 - compatible
19 - '#pwm-cells'
20
21properties:
22 compatible:
23 items:
24 - enum:
25 - renesas,tpu-r8a73a4 # R-Mobile APE6
26 - renesas,tpu-r8a7740 # R-Mobile A1
27 - renesas,tpu-r8a7742 # RZ/G1H
28 - renesas,tpu-r8a7743 # RZ/G1M
29 - renesas,tpu-r8a7744 # RZ/G1N
30 - renesas,tpu-r8a7745 # RZ/G1E
31 - renesas,tpu-r8a7790 # R-Car H2
32 - renesas,tpu-r8a7791 # R-Car M2-W
33 - renesas,tpu-r8a7792 # R-Car V2H
34 - renesas,tpu-r8a7793 # R-Car M2-N
35 - renesas,tpu-r8a7794 # R-Car E2
36 - renesas,tpu-r8a7795 # R-Car H3
37 - renesas,tpu-r8a7796 # R-Car M3-W
38 - renesas,tpu-r8a77961 # R-Car M3-W+
39 - renesas,tpu-r8a77965 # R-Car M3-N
40 - renesas,tpu-r8a77970 # R-Car V3M
41 - renesas,tpu-r8a77980 # R-Car V3H
42 - renesas,tpu-r8a779a0 # R-Car V3U
43 - renesas,tpu-r8a779g0 # R-Car V4H
44 - const: renesas,tpu
45
46 reg:
47 # Base address and length of each memory resource used by the PWM
48 # controller hardware module.
49 maxItems: 1
50
51 interrupts:
52 maxItems: 1
53
54 '#pwm-cells':
55 # should be 3. See pwm.yaml in this directory for a description of
56 # the cells format. The only third cell flag supported by this binding is
57 # PWM_POLARITY_INVERTED.
58 const: 3
59
60 clocks:
61 maxItems: 1
62
63 power-domains:
64 maxItems: 1
65
66 resets:
67 maxItems: 1
68
69required:
70 - compatible
71 - reg
72 - clocks
73 - power-domains
74
75allOf:
76 - $ref: pwm.yaml#
77
78 - if:
79 not:
80 properties:
81 compatible:
82 contains:
83 enum:
84 - renesas,tpu-r8a73a4
85 - renesas,tpu-r8a7740
86 then:
87 required:
88 - resets
89
90additionalProperties: false
91
92examples:
93 - |
94 #include <dt-bindings/clock/r8a7740-clock.h>
95
96 tpu: pwm@e6600000 {
97 compatible = "renesas,tpu-r8a7740", "renesas,tpu";
98 reg = <0xe6600000 0x148>;
99 clocks = <&mstp3_clks R8A7740_CLK_TPU0>;
100 power-domains = <&pd_a3sp>;
101 #pwm-cells = <3>;
102 };