tjh.dev
Linux kernel mirror (for testing)
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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 <narmstrong@baylibre.com>
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
38examples:
39 - |
40 spi@c1108c80 {
41 compatible = "amlogic,meson6-spifc";
42 reg = <0xc1108c80 0x80>;
43 clocks = <&clk81>;
44 #address-cells = <1>;
45 #size-cells = <0>;
46
47 flash: flash@0 {
48 compatible = "spansion,m25p80", "jedec,spi-nor";
49 reg = <0>;
50 spi-max-frequency = <40000000>;
51 };
52 };
53