xref: /linux/Documentation/devicetree/bindings/spi/spi-sunplus-sp7021.yaml (revision a1eccc574f977bd21a4ec8ac54bd73a2756bd281) 
1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2# Copyright (C) Sunplus Co., Ltd. 2021
3%YAML 1.2
4---
5$id: http://devicetree.org/schemas/spi/spi-sunplus-sp7021.yaml#
6$schema: http://devicetree.org/meta-schemas/core.yaml#
7
8title: Sunplus sp7021 SPI controller
9
10allOf:
11  - $ref: spi-controller.yaml
12
13maintainers:
14  - Li-hao Kuo <lhjeff911@gmail.com>
15
16properties:
17  compatible:
18    enum:
19      - sunplus,sp7021-spi
20
21  reg:
22    items:
23      - description: the SPI master registers
24      - description: the SPI slave registers
25
26  reg-names:
27    items:
28      - const: master
29      - const: slave
30
31  interrupt-names:
32    items:
33      - const: dma_w
34      - const: master_risc
35      - const: slave_risc
36
37  interrupts:
38    minItems: 3
39
40  clocks:
41    maxItems: 1
42
43  resets:
44    maxItems: 1
45
46required:
47  - compatible
48  - reg
49  - reg-names
50  - interrupts
51  - interrupt-names
52  - clocks
53  - resets
54  - pinctrl-names
55  - pinctrl-0
56
57unevaluatedProperties: false
58
59examples:
60  - |
61    #include <dt-bindings/interrupt-controller/irq.h>
62    spi@9c002d80 {
63        compatible = "sunplus,sp7021-spi";
64        reg = <0x9c002d80 0x80>, <0x9c002e00 0x80>;
65        reg-names = "master", "slave";
66        interrupt-parent = <&intc>;
67        interrupt-names = "dma_w",
68                          "master_risc",
69                          "slave_risc";
70        interrupts = <144 IRQ_TYPE_LEVEL_HIGH>,
71                     <146 IRQ_TYPE_LEVEL_HIGH>,
72                     <145 IRQ_TYPE_LEVEL_HIGH>;
73        clocks = <&clkc 0x32>;
74        resets = <&rstc 0x22>;
75        pinctrl-names = "default";
76        pinctrl-0 = <&pins_spi0>;
77    };
78...
79