| # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/mtd/microchip,mchp23k256.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: Microchip 23K256 SPI SRAM |
| |
| maintainers: |
| - Richard Weinberger <richard@nod.at> |
| |
| description: |
| The Microchip 23K256 is a 256 Kbit (32 Kbyte) serial SRAM with an |
| SPI interface,supporting clock frequencies up to 20 MHz. It features |
| a 32-byte page size for writes and supports byte, page, and |
| sequential access modes. |
| |
| allOf: |
| - $ref: /schemas/spi/spi-peripheral-props.yaml# |
| |
| properties: |
| compatible: |
| enum: |
| - microchip,mchp23k256 |
| - microchip,mchp23lcv1024 |
| |
| reg: |
| maxItems: 1 |
| |
| required: |
| - reg |
| - compatible |
| - spi-max-frequency |
| |
| unevaluatedProperties: false |
| |
| examples: |
| - | |
| spi { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| sram@0 { |
| compatible = "microchip,mchp23k256"; |
| reg = <0>; |
| spi-max-frequency = <20000000>; |
| }; |
| }; |
| ... |