xref: /kernel/linux/linux-6.6/Documentation/devicetree/bindings/spi/amlogic,meson6-spifc.yaml

# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
# Copyright 2019 BayLibre, SAS
%YAML 1.2
---
$id: http://devicetree.org/schemas/spi/amlogic,meson6-spifc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Amlogic Meson SPI Flash Controller

maintainers:
  - Neil Armstrong <neil.armstrong@linaro.org>

allOf:
  - $ref: spi-controller.yaml#

description: |
  The Meson SPIFC is a controller optimized for communication with SPI
  NOR memories, without DMA support and a 64-byte unified transmit /
  receive buffer.

properties:
  compatible:
    enum:
      - amlogic,meson6-spifc # SPI Flash Controller on Meson6 and compatible SoCs
      - amlogic,meson-gxbb-spifc # SPI Flash Controller on GXBB and compatible SoCs

  reg:
    maxItems: 1

  clocks:
    maxItems: 1

required:
  - compatible
  - reg
  - clocks

unevaluatedProperties: false

examples:
  - |
    spi@c1108c80 {
        compatible = "amlogic,meson6-spifc";
        reg = <0xc1108c80 0x80>;
        clocks = <&clk81>;
        #address-cells = <1>;
        #size-cells = <0>;

        flash: flash@0 {
            compatible = "spansion,m25p80", "jedec,spi-nor";
            reg = <0>;
            spi-max-frequency = <40000000>;
        };
    };