xref: /linux/Documentation/devicetree/bindings/mtd/microchip,mchp23k256.yaml (revision 1b49e363252632d0493546511a41a65ed1a6fbbb) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/mtd/microchip,mchp23k256.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Microchip 23K256 SPI SRAM
8
9maintainers:
10  - Richard Weinberger <richard@nod.at>
11
12description:
13  The Microchip 23K256 is a 256 Kbit (32 Kbyte) serial SRAM with an
14  SPI interface,supporting clock frequencies up to 20 MHz. It features
15  a 32-byte page size for writes and supports byte, page, and
16  sequential access modes.
17
18allOf:
19  - $ref: /schemas/spi/spi-peripheral-props.yaml#
20
21properties:
22  compatible:
23    enum:
24      - microchip,mchp23k256
25      - microchip,mchp23lcv1024
26
27  reg:
28    maxItems: 1
29
30required:
31  - reg
32  - compatible
33  - spi-max-frequency
34
35unevaluatedProperties: false
36
37examples:
38  - |
39    spi {
40        #address-cells = <1>;
41        #size-cells = <0>;
42
43        sram@0 {
44            compatible = "microchip,mchp23k256";
45            reg = <0>;
46            spi-max-frequency = <20000000>;
47        };
48    };
49...
50