xref: /freebsd/sys/contrib/device-tree/Bindings/spi/amlogic,meson6-spifc.yaml (revision 942815c54820783d3d4f7f6faa71ab7919b5f0e5) 
1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2# Copyright 2019 BayLibre, SAS
3%YAML 1.2
4---
5$id: "http://devicetree.org/schemas/spi/amlogic,meson6-spifc.yaml#"
6$schema: "http://devicetree.org/meta-schemas/core.yaml#"
7
8title: Amlogic Meson SPI Flash Controller
9
10maintainers:
11  - Neil Armstrong <neil.armstrong@linaro.org>
12
13allOf:
14  - $ref: "spi-controller.yaml#"
15
16description: |
17  The Meson SPIFC is a controller optimized for communication with SPI
18  NOR memories, without DMA support and a 64-byte unified transmit /
19  receive buffer.
20
21properties:
22  compatible:
23    enum:
24      - amlogic,meson6-spifc # SPI Flash Controller on Meson6 and compatible SoCs
25      - amlogic,meson-gxbb-spifc # SPI Flash Controller on GXBB and compatible SoCs
26
27  reg:
28    maxItems: 1
29
30  clocks:
31    maxItems: 1
32
33required:
34  - compatible
35  - reg
36  - clocks
37
38unevaluatedProperties: false
39
40examples:
41  - |
42    spi@c1108c80 {
43          compatible = "amlogic,meson6-spifc";
44          reg = <0xc1108c80 0x80>;
45          clocks = <&clk81>;
46          #address-cells = <1>;
47          #size-cells = <0>;
48
49          flash: flash@0 {
50              compatible = "spansion,m25p80", "jedec,spi-nor";
51              reg = <0>;
52              spi-max-frequency = <40000000>;
53          };
54    };
55