1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/spi/spi-nxp-fspi.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: NXP Flex Serial Peripheral Interface (FSPI)
8
9 maintainers:
10 - Han Xu <han.xu@nxp.com>
11 - Kuldeep Singh <singh.kuldeep87k@gmail.com>
12
13 allOf:
14 - $ref: spi-controller.yaml#
15
16 properties:
17 compatible:
18 oneOf:
19 - enum:
20 - nxp,imx8dxl-fspi
21 - nxp,imx8mm-fspi
22 - nxp,imx8mp-fspi
23 - nxp,imx8qxp-fspi
24 - nxp,imx8ulp-fspi
25 - nxp,lx2160a-fspi
26 - items:
27 - enum:
28 - nxp,imx93-fspi
29 - nxp,imx95-fspi
30 - const: nxp,imx8mm-fspi
31
32 reg:
33 items:
34 - description: registers address space
35 - description: memory mapped address space
36
37 reg-names:
38 items:
39 - const: fspi_base
40 - const: fspi_mmap
41
42 interrupts:
43 maxItems: 1
44
45 clocks:
46 items:
47 - description: SPI bus clock
48 - description: SPI serial clock
49
50 clock-names:
51 items:
52 - const: fspi_en
53 - const: fspi
54
55 power-domains:
56 maxItems: 1
57
58 required:
59 - compatible
60 - reg
61 - reg-names
62 - interrupts
63 - clocks
64 - clock-names
65
66 unevaluatedProperties: false
67
68 examples:
69 - |
70 #include <dt-bindings/interrupt-controller/arm-gic.h>
71 #include <dt-bindings/clock/fsl,qoriq-clockgen.h>
72
73 soc {
74 #address-cells = <2>;
75 #size-cells = <2>;
76
77 spi@20c0000 {
78 compatible = "nxp,lx2160a-fspi";
79 reg = <0x0 0x20c0000 0x0 0x100000>,
80 <0x0 0x20000000 0x0 0x10000000>;
81 reg-names = "fspi_base", "fspi_mmap";
82 interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
83 clocks = <&clockgen QORIQ_CLK_PLATFORM_PLL QORIQ_CLK_PLL_DIV(4)>,
84 <&clockgen QORIQ_CLK_PLATFORM_PLL QORIQ_CLK_PLL_DIV(4)>;
85 clock-names = "fspi_en", "fspi";
86 #address-cells = <1>;
87 #size-cells = <0>;
88
89 flash@0 {
90 compatible = "jedec,spi-nor";
91 spi-max-frequency = <50000000>;
92 reg = <0>;
93 spi-rx-bus-width = <8>;
94 spi-tx-bus-width = <8>;
95 };
96 };
97 };
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