1 # SPDX-License-Identifier: (GPL-2.0-only OR BS
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/spi/airoha,
5 $schema: http://devicetree.org/meta-schemas/co
6
7 title: SPI-NAND flash controller for Airoha AR
8
9 maintainers:
10 - Lorenzo Bianconi <lorenzo@kernel.org>
11
12 allOf:
13 - $ref: spi-controller.yaml#
14
15 properties:
16 compatible:
17 const: airoha,en7581-snand
18
19 reg:
20 items:
21 - description: spi base address
22 - description: nfi2spi base address
23
24 clocks:
25 maxItems: 1
26
27 clock-names:
28 items:
29 - const: spi
30
31 required:
32 - compatible
33 - reg
34 - clocks
35 - clock-names
36
37 unevaluatedProperties: false
38
39 examples:
40 - |
41 #include <dt-bindings/clock/en7523-clk.h>
42
43 soc {
44 #address-cells = <2>;
45 #size-cells = <2>;
46
47 spi@1fa10000 {
48 compatible = "airoha,en7581-snand";
49 reg = <0x0 0x1fa10000 0x0 0x140>,
50 <0x0 0x1fa11000 0x0 0x160>;
51
52 clocks = <&scuclk EN7523_CLK_SPI>;
53 clock-names = "spi";
54
55 #address-cells = <1>;
56 #size-cells = <0>;
57
58 flash@0 {
59 compatible = "spi-nand";
60 reg = <0>;
61 spi-tx-bus-width = <1>;
62 spi-rx-bus-width = <2>;
63 };
64 };
65 };
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