1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/spi/microchip,mpfs-spi.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Microchip FPGA {Q,}SPI Controllers
8
9 description:
10 SPI and QSPI controllers on Microchip PolarFire SoC and the "soft"/
11 fabric IP cores they are based on
12
13 maintainers:
14 - Conor Dooley <conor.dooley@microchip.com>
15
16 properties:
17 compatible:
18 oneOf:
19 - items:
20 - enum:
21 - microchip,mpfs-qspi
22 - microchip,pic64gx-qspi
23 - const: microchip,coreqspi-rtl-v2
24 - const: microchip,coreqspi-rtl-v2 # FPGA QSPI
25 - items:
26 - const: microchip,pic64gx-spi
27 - const: microchip,mpfs-spi
28 - const: microchip,mpfs-spi
29
30 reg:
31 maxItems: 1
32
33 interrupts:
34 maxItems: 1
35
36 clock-names:
37 maxItems: 1
38
39 clocks:
40 maxItems: 1
41
42 required:
43 - compatible
44 - reg
45 - interrupts
46 - clocks
47
48 allOf:
49 - $ref: spi-controller.yaml#
50
51 - if:
52 properties:
53 compatible:
54 contains:
55 const: microchip,mpfs-spi
56 then:
57 properties:
58 num-cs:
59 default: 1
60
61 - if:
62 properties:
63 compatible:
64 contains:
65 const: microchip,mpfs-spi
66 not:
67 required:
68 - cs-gpios
69 then:
70 properties:
71 num-cs:
72 maximum: 1
73
74 unevaluatedProperties: false
75
76 examples:
77 - |
78 #include "dt-bindings/clock/microchip,mpfs-clock.h"
79 spi@20108000 {
80 compatible = "microchip,mpfs-spi";
81 reg = <0x20108000 0x1000>;
82 clocks = <&clkcfg CLK_SPI0>;
83 interrupt-parent = <&plic>;
84 interrupts = <54>;
85 };
86 ...
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.