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
8 title: Sunplus sp7021 SPI controller
9
10 allOf:
11 - $ref: spi-controller.yaml
12
13 maintainers:
14 - Li-hao Kuo <lhjeff911@gmail.com>
15
16 properties:
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
46 required:
47 - compatible
48 - reg
49 - reg-names
50 - interrupts
51 - interrupt-names
52 - clocks
53 - resets
54 - pinctrl-names
55 - pinctrl-0
56
57 unevaluatedProperties: false
58
59 examples:
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 ...
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