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 Device Tree Bindings
8
9 maintainers:
10 - Michal Simek <michal.simek@xilinx.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 required:
53 - compatible
54 - reg
55 - interrupts
56 - clock-names
57 - clocks
58
59 unevaluatedProperties: false
60
61 examples:
62 - |
63 spi@e0007000 {
64 compatible = "xlnx,zynq-spi-r1p6";
65 clock-names = "ref_clk", "pclk";
66 clocks = <&clkc 26>, <&clkc 35>;
67 interrupt-parent = <&intc>;
68 interrupts = <0 49 4>;
69 num-cs = <4>;
70 is-decoded-cs = <0>;
71 reg = <0xe0007000 0x1000>;
72 };
73 ...
Cache object: 6aac65a8506ea374d6e17a42854affdb
|