xref: /kernel/linux/linux-5.10/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 <narmstrong@baylibre.com>

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>;
          };
    };