xref: /linux/Documentation/devicetree/bindings/spi/spi-xilinx.yaml (revision be1ca3ee8f97067fee87fda73ea5959d5ab75bbf) 
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
7title: Xilinx SPI controller
8
9maintainers:
10  - Michal Simek <michal.simek@amd.com>
11
12allOf:
13  - $ref: spi-controller.yaml#
14
15properties:
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
38required:
39  - compatible
40  - reg
41
42unevaluatedProperties: false
43
44examples:
45  - |
46    spi0: spi@41e00000 {
47      compatible = "xlnx,xps-spi-2.00.a";
48      interrupt-parent = <&intc>;
49      interrupts = <0 31 1>;
50      reg = <0x41e00000 0x10000>;
51      xlnx,num-ss-bits = <0x1>;
52      xlnx,num-transfer-bits = <32>;
53    };
54...
55