xref: /linux/Documentation/devicetree/bindings/spi/spi-nxp-fspi.yaml (revision eb01fe7abbe2d0b38824d2a93fdb4cc3eaf2ccc1) 
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
7title: NXP Flex Serial Peripheral Interface (FSPI)
8
9maintainers:
10  - Han Xu <han.xu@nxp.com>
11  - Kuldeep Singh <singh.kuldeep87k@gmail.com>
12
13allOf:
14  - $ref: spi-controller.yaml#
15
16properties:
17  compatible:
18    oneOf:
19      - enum:
20          - nxp,imx8dxl-fspi
21          - nxp,imx8mm-fspi
22          - nxp,imx8mp-fspi
23          - nxp,imx8qxp-fspi
24          - nxp,lx2160a-fspi
25      - items:
26          - enum:
27              - nxp,imx93-fspi
28              - nxp,imx95-fspi
29          - const: nxp,imx8mm-fspi
30
31  reg:
32    items:
33      - description: registers address space
34      - description: memory mapped address space
35
36  reg-names:
37    items:
38      - const: fspi_base
39      - const: fspi_mmap
40
41  interrupts:
42    maxItems: 1
43
44  clocks:
45    items:
46      - description: SPI bus clock
47      - description: SPI serial clock
48
49  clock-names:
50    items:
51      - const: fspi_en
52      - const: fspi
53
54  power-domains:
55    maxItems: 1
56
57required:
58  - compatible
59  - reg
60  - reg-names
61  - interrupts
62  - clocks
63  - clock-names
64
65unevaluatedProperties: false
66
67examples:
68  - |
69    #include <dt-bindings/interrupt-controller/arm-gic.h>
70    #include <dt-bindings/clock/fsl,qoriq-clockgen.h>
71
72    soc {
73        #address-cells = <2>;
74        #size-cells = <2>;
75
76        spi@20c0000 {
77            compatible = "nxp,lx2160a-fspi";
78            reg = <0x0 0x20c0000 0x0 0x100000>,
79                  <0x0 0x20000000 0x0 0x10000000>;
80            reg-names = "fspi_base", "fspi_mmap";
81            interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
82            clocks = <&clockgen QORIQ_CLK_PLATFORM_PLL QORIQ_CLK_PLL_DIV(4)>,
83                     <&clockgen QORIQ_CLK_PLATFORM_PLL QORIQ_CLK_PLL_DIV(4)>;
84            clock-names = "fspi_en", "fspi";
85            #address-cells = <1>;
86            #size-cells = <0>;
87
88            flash@0 {
89                compatible = "jedec,spi-nor";
90                spi-max-frequency = <50000000>;
91                reg = <0>;
92                spi-rx-bus-width = <8>;
93                spi-tx-bus-width = <8>;
94            };
95        };
96    };
97