1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/spi/socionext,f-ospi.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Socionext F_OSPI controller
8
9 description: |
10 The Socionext F_OSPI is a controller used to interface with flash
11 memories using the SPI communication interface.
12
13 maintainers:
14 - Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
15
16 allOf:
17 - $ref: spi-controller.yaml#
18
19 properties:
20 compatible:
21 const: socionext,f-ospi
22
23 reg:
24 maxItems: 1
25
26 clocks:
27 maxItems: 1
28
29 num-cs:
30 minimum: 1
31 maximum: 4
32
33 required:
34 - compatible
35 - reg
36 - clocks
37 - "#address-cells"
38 - "#size-cells"
39
40 unevaluatedProperties: false
41
42 examples:
43 - |
44 ospi0: spi@80000000 {
45 compatible = "socionext,f-ospi";
46 reg = <0x80000000 0x1000>;
47 clocks = <&clks 0>;
48 num-cs = <1>;
49 #address-cells = <1>;
50 #size-cells = <0>;
51
52 flash@0 {
53 compatible = "spansion,s25fl128s", "jedec,spi-nor";
54 reg = <0>;
55 spi-max-frequency = <50000000>;
56 };
57 };
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