xref: /freebsd/sys/contrib/device-tree/Bindings/spi/spi-xilinx.yaml (revision ebacd8013fe5f7fdf9f6a5b286f6680dd2891036) 
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 Device Tree Bindings
8
9maintainers:
10  - Michal Simek <michal.simek@xilinx.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  - interrupts
42
43unevaluatedProperties: false
44
45examples:
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...
56