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-xilinx.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Xilinx 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 - xlnx,xps-spi-2.00.a
19 - xlnx,xps-spi-2.00.b
20 - xlnx,axi-quad-spi-1.00.a
21
22 reg:
23 maxItems: 1
24
25 interrupts:
26 maxItems: 1
27
28 xlnx,num-ss-bits:
29 description: Number of chip selects used.
30 minimum: 1
31 maximum: 32
32
33 xlnx,num-transfer-bits:
34 description: Number of bits per transfer. This will be 8 if not specified.
35 enum: [8, 16, 32]
36 default: 8
37
38 required:
39 - compatible
40 - reg
41 - interrupts
42
43 unevaluatedProperties: false
44
45 examples:
46 - |
47 spi0: spi@41e00000 {
48 compatible = "xlnx,xps-spi-2.00.a";
49 interrupt-parent = <&intc>;
50 interrupts = <0 31 1>;
51 reg = <0x41e00000 0x10000>;
52 xlnx,num-ss-bits = <0x1>;
53 xlnx,num-transfer-bits = <32>;
54 };
55 ...
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