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$id: "http://devicetree.org/schemas/spi/amlogic,meson-gx-spicc.yaml#"
6$schema: "http://devicetree.org/meta-schemas/core.yaml#"
7
8title: Amlogic Meson SPI Communication Controller
9
10maintainers:
11 - Neil Armstrong <narmstrong@baylibre.com>
12
13allOf:
14 - $ref: "spi-controller.yaml#"
15
16description: |
17 The Meson SPICC is a generic SPI controller for general purpose Full-Duplex
18 communications with dedicated 16 words RX/TX PIO FIFOs.
19
20properties:
21 compatible:
22 enum:
23 - amlogic,meson-gx-spicc # SPICC controller on Amlogic GX and compatible SoCs
24 - amlogic,meson-axg-spicc # SPICC controller on Amlogic AXG and compatible SoCs
25
26 interrupts:
27 maxItems: 1
28
29 reg:
30 maxItems: 1
31
32 resets:
33 maxItems: 1
34
35 clocks:
36 maxItems: 1
37
38 clock-names:
39 description: input clock for the baud rate generator
40 items:
41 - const: core
42
43required:
44 - compatible
45 - reg
46 - interrupts
47 - clocks
48 - clock-names
49
50examples:
51 - |
52 spi@c1108d80 {
53 compatible = "amlogic,meson-gx-spicc";
54 reg = <0xc1108d80 0x80>;
55 interrupts = <112>;
56 clocks = <&clk81>;
57 clock-names = "core";
58 #address-cells = <1>;
59 #size-cells = <0>;
60
61 ethernet-switch@0 {
62 compatible = "micrel,ks8995m";
63 spi-max-frequency = <1000000>;
64 reg = <0>;
65 };
66 };
67