1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/spi/spi-cadence.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Cadence SPI controller
8
9 maintainers:
10 - Michal Simek <michal.simek@amd.com>
11
12 allOf:
13 - $ref: spi-controller.yaml#
14
15 properties:
16 compatible:
17 enum:
18 - cdns,spi-r1p6
19 - xlnx,zynq-spi-r1p6
20
21 reg:
22 maxItems: 1
23
24 interrupts:
25 maxItems: 1
26
27 clock-names:
28 items:
29 - const: ref_clk
30 - const: pclk
31
32 clocks:
33 maxItems: 2
34
35 num-cs:
36 description: |
37 Number of chip selects used. If a decoder is used,
38 this will be the number of chip selects after the
39 decoder.
40 $ref: /schemas/types.yaml#/definitions/uint32
41 minimum: 1
42 maximum: 4
43 default: 4
44
45 is-decoded-cs:
46 description: |
47 Flag to indicate whether decoder is used or not.
48 $ref: /schemas/types.yaml#/definitions/uint32
49 enum: [ 0, 1 ]
50 default: 0
51
52 power-domains:
53 maxItems: 1
54
55 label:
56 description: Descriptive name of the SPI controller.
57
58 resets:
59 maxItems: 1
60
61 reset-names:
62 items:
63 - const: spi
64
65 required:
66 - compatible
67 - reg
68 - interrupts
69 - clock-names
70 - clocks
71
72 unevaluatedProperties: false
73
74 examples:
75 - |
76 spi@e0007000 {
77 compatible = "xlnx,zynq-spi-r1p6";
78 clock-names = "ref_clk", "pclk";
79 clocks = <&clkc 26>, <&clkc 35>;
80 interrupt-parent = <&intc>;
81 interrupts = <0 49 4>;
82 num-cs = <4>;
83 is-decoded-cs = <0>;
84 reg = <0xe0007000 0x1000>;
85 };
86 ...
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.