1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/spi/nuvoton,wpcm450-fiu.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Nuvoton WPCM450 Flash Interface Unit (FIU)
8
9 maintainers:
10 - Jonathan Neuschäfer <j.neuschaefer@gmx.net>
11
12 allOf:
13 - $ref: /schemas/spi/spi-controller.yaml#
14
15 properties:
16 compatible:
17 const: nuvoton,wpcm450-fiu
18
19 reg:
20 items:
21 - description: FIU registers
22 - description: Memory-mapped flash contents
23
24 reg-names:
25 items:
26 - const: control
27 - const: memory
28
29 interrupts:
30 maxItems: 1
31
32 clocks:
33 maxItems: 1
34
35 nuvoton,shm:
36 $ref: /schemas/types.yaml#/definitions/phandle
37 description: a phandle to the SHM block (see ../arm/nuvoton,shm.yaml)
38
39 required:
40 - compatible
41 - reg
42 - clocks
43
44 unevaluatedProperties: false
45
46 examples:
47 - |
48 spi@c8000000 {
49 compatible = "nuvoton,wpcm450-fiu";
50 reg = <0xc8000000 0x1000>, <0xc0000000 0x4000000>;
51 #address-cells = <1>;
52 #size-cells = <0>;
53 reg-names = "control", "memory";
54 clocks = <&clk 0>;
55 nuvoton,shm = <&shm>;
56
57 flash@0 {
58 compatible = "jedec,spi-nor";
59 reg = <0>;
60 };
61 };
62
63 shm: syscon@c8001000 {
64 compatible = "nuvoton,wpcm450-shm", "syscon";
65 reg = <0xc8001000 0x1000>;
66 };
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