xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/pwm/renesas,tpu-pwm.yaml (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun%YAML 1.2
3*4882a593Smuzhiyun---
4*4882a593Smuzhiyun$id: http://devicetree.org/schemas/pwm/renesas,tpu-pwm.yaml#
5*4882a593Smuzhiyun$schema: http://devicetree.org/meta-schemas/core.yaml#
6*4882a593Smuzhiyun
7*4882a593Smuzhiyuntitle: Renesas R-Car Timer Pulse Unit PWM Controller
8*4882a593Smuzhiyun
9*4882a593Smuzhiyunmaintainers:
10*4882a593Smuzhiyun  - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
11*4882a593Smuzhiyun
12*4882a593Smuzhiyunproperties:
13*4882a593Smuzhiyun  compatible:
14*4882a593Smuzhiyun    items:
15*4882a593Smuzhiyun      - enum:
16*4882a593Smuzhiyun          - renesas,tpu-r8a73a4   # R-Mobile APE6
17*4882a593Smuzhiyun          - renesas,tpu-r8a7740   # R-Mobile A1
18*4882a593Smuzhiyun          - renesas,tpu-r8a7742   # RZ/G1H
19*4882a593Smuzhiyun          - renesas,tpu-r8a7743   # RZ/G1M
20*4882a593Smuzhiyun          - renesas,tpu-r8a7744   # RZ/G1N
21*4882a593Smuzhiyun          - renesas,tpu-r8a7745   # RZ/G1E
22*4882a593Smuzhiyun          - renesas,tpu-r8a7790   # R-Car H2
23*4882a593Smuzhiyun          - renesas,tpu-r8a7791   # R-Car M2-W
24*4882a593Smuzhiyun          - renesas,tpu-r8a7792   # R-Car V2H
25*4882a593Smuzhiyun          - renesas,tpu-r8a7793   # R-Car M2-N
26*4882a593Smuzhiyun          - renesas,tpu-r8a7794   # R-Car E2
27*4882a593Smuzhiyun          - renesas,tpu-r8a7795   # R-Car H3
28*4882a593Smuzhiyun          - renesas,tpu-r8a7796   # R-Car M3-W
29*4882a593Smuzhiyun          - renesas,tpu-r8a77965  # R-Car M3-N
30*4882a593Smuzhiyun          - renesas,tpu-r8a77970  # R-Car V3M
31*4882a593Smuzhiyun          - renesas,tpu-r8a77980  # R-Car V3H
32*4882a593Smuzhiyun      - const: renesas,tpu
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun  reg:
35*4882a593Smuzhiyun    # Base address and length of each memory resource used by the PWM
36*4882a593Smuzhiyun    # controller hardware module.
37*4882a593Smuzhiyun    maxItems: 1
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun  interrupts:
40*4882a593Smuzhiyun    maxItems: 1
41*4882a593Smuzhiyun
42*4882a593Smuzhiyun  '#pwm-cells':
43*4882a593Smuzhiyun    # should be 3. See pwm.yaml in this directory for a description of
44*4882a593Smuzhiyun    # the cells format. The only third cell flag supported by this binding is
45*4882a593Smuzhiyun    # PWM_POLARITY_INVERTED.
46*4882a593Smuzhiyun    const: 3
47*4882a593Smuzhiyun
48*4882a593Smuzhiyun  clocks:
49*4882a593Smuzhiyun    maxItems: 1
50*4882a593Smuzhiyun
51*4882a593Smuzhiyun  power-domains:
52*4882a593Smuzhiyun    maxItems: 1
53*4882a593Smuzhiyun
54*4882a593Smuzhiyun  resets:
55*4882a593Smuzhiyun    maxItems: 1
56*4882a593Smuzhiyun
57*4882a593Smuzhiyunrequired:
58*4882a593Smuzhiyun  - compatible
59*4882a593Smuzhiyun  - reg
60*4882a593Smuzhiyun  - '#pwm-cells'
61*4882a593Smuzhiyun
62*4882a593SmuzhiyunadditionalProperties: false
63*4882a593Smuzhiyun
64*4882a593Smuzhiyunexamples:
65*4882a593Smuzhiyun  - |
66*4882a593Smuzhiyun    #include <dt-bindings/clock/r8a7740-clock.h>
67*4882a593Smuzhiyun
68*4882a593Smuzhiyun    tpu: pwm@e6600000 {
69*4882a593Smuzhiyun        compatible = "renesas,tpu-r8a7740", "renesas,tpu";
70*4882a593Smuzhiyun        reg = <0xe6600000 0x148>;
71*4882a593Smuzhiyun        clocks = <&mstp3_clks R8A7740_CLK_TPU0>;
72*4882a593Smuzhiyun        power-domains = <&pd_a3sp>;
73*4882a593Smuzhiyun        #pwm-cells = <3>;
74*4882a593Smuzhiyun    };
75