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
8 title: Amlogic Meson SPI Flash Controller
9
10 maintainers:
11 - Neil Armstrong <neil.armstrong@linaro.org>
12
13 allOf:
14 - $ref: spi-controller.yaml#
15
16 description: |
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
21 properties:
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
33 required:
34 - compatible
35 - reg
36 - clocks
37
38 unevaluatedProperties: false
39
40 examples:
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 };
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