xref: /freebsd/sys/contrib/device-tree/Bindings/spi/allwinner,sun4i-a10-spi.yaml (revision 8d13bc63c0e1d50bc9e47ac1f26329c999bfecf0) 
1# SPDX-License-Identifier: GPL-2.0
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/spi/allwinner,sun4i-a10-spi.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Allwinner A10 SPI Controller
8
9allOf:
10  - $ref: spi-controller.yaml
11
12maintainers:
13  - Chen-Yu Tsai <wens@csie.org>
14  - Maxime Ripard <mripard@kernel.org>
15
16properties:
17  compatible:
18    const: allwinner,sun4i-a10-spi
19
20  reg:
21    maxItems: 1
22
23  interrupts:
24    maxItems: 1
25
26  clocks:
27    items:
28      - description: Bus Clock
29      - description: Module Clock
30
31  clock-names:
32    items:
33      - const: ahb
34      - const: mod
35
36  dmas:
37    items:
38      - description: RX DMA Channel
39      - description: TX DMA Channel
40
41  dma-names:
42    items:
43      - const: rx
44      - const: tx
45
46patternProperties:
47  "^.*@[0-9a-f]+":
48    type: object
49    additionalProperties: true
50
51    properties:
52      reg:
53        items:
54          minimum: 0
55          maximum: 4
56
57      spi-rx-bus-width:
58        const: 1
59
60      spi-tx-bus-width:
61        const: 1
62
63required:
64  - compatible
65  - reg
66  - interrupts
67  - clocks
68  - clock-names
69
70unevaluatedProperties: false
71
72examples:
73  - |
74    spi1: spi@1c06000 {
75        compatible = "allwinner,sun4i-a10-spi";
76        reg = <0x01c06000 0x1000>;
77        interrupts = <11>;
78        clocks = <&ahb_gates 21>, <&spi1_clk>;
79        clock-names = "ahb", "mod";
80        #address-cells = <1>;
81        #size-cells = <0>;
82    };
83
84...
85