1 # SPDX-License-Identifier: (GPL-2.0-only OR BS 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/spi/spi-cad 4 $id: http://devicetree.org/schemas/spi/spi-cadence.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Cadence SPI controller 7 title: Cadence SPI controller
8 8
9 maintainers: 9 maintainers:
10 - Michal Simek <michal.simek@amd.com> 10 - Michal Simek <michal.simek@amd.com>
11 11
12 allOf: 12 allOf:
13 - $ref: spi-controller.yaml# 13 - $ref: spi-controller.yaml#
14 14
15 properties: 15 properties:
16 compatible: 16 compatible:
17 enum: 17 enum:
18 - cdns,spi-r1p6 18 - cdns,spi-r1p6
19 - xlnx,zynq-spi-r1p6 19 - xlnx,zynq-spi-r1p6
20 20
21 reg: 21 reg:
22 maxItems: 1 22 maxItems: 1
23 23
24 interrupts: 24 interrupts:
25 maxItems: 1 25 maxItems: 1
26 26
27 clock-names: 27 clock-names:
28 items: 28 items:
29 - const: ref_clk 29 - const: ref_clk
30 - const: pclk 30 - const: pclk
31 31
32 clocks: 32 clocks:
33 maxItems: 2 33 maxItems: 2
34 34
35 num-cs: 35 num-cs:
36 description: | 36 description: |
37 Number of chip selects used. If a decode 37 Number of chip selects used. If a decoder is used,
38 this will be the number of chip selects 38 this will be the number of chip selects after the
39 decoder. 39 decoder.
40 $ref: /schemas/types.yaml#/definitions/uin 40 $ref: /schemas/types.yaml#/definitions/uint32
41 minimum: 1 41 minimum: 1
42 maximum: 4 42 maximum: 4
43 default: 4 43 default: 4
44 44
45 is-decoded-cs: 45 is-decoded-cs:
46 description: | 46 description: |
47 Flag to indicate whether decoder is used 47 Flag to indicate whether decoder is used or not.
48 $ref: /schemas/types.yaml#/definitions/uin 48 $ref: /schemas/types.yaml#/definitions/uint32
49 enum: [ 0, 1 ] 49 enum: [ 0, 1 ]
50 default: 0 50 default: 0
51 51
52 power-domains: 52 power-domains:
53 maxItems: 1 53 maxItems: 1
54 54
55 label: 55 label:
56 description: Descriptive name of the SPI c 56 description: Descriptive name of the SPI controller.
57 57
58 resets: 58 resets:
59 maxItems: 1 59 maxItems: 1
60 60
61 reset-names: 61 reset-names:
62 items: 62 items:
63 - const: spi 63 - const: spi
64 64
65 required: 65 required:
66 - compatible 66 - compatible
67 - reg 67 - reg
68 - interrupts 68 - interrupts
69 - clock-names 69 - clock-names
70 - clocks 70 - clocks
71 71
72 unevaluatedProperties: false 72 unevaluatedProperties: false
73 73
74 examples: 74 examples:
75 - | 75 - |
76 spi@e0007000 { 76 spi@e0007000 {
77 compatible = "xlnx,zynq-spi-r1p6"; 77 compatible = "xlnx,zynq-spi-r1p6";
78 clock-names = "ref_clk", "pclk"; 78 clock-names = "ref_clk", "pclk";
79 clocks = <&clkc 26>, <&clkc 35>; 79 clocks = <&clkc 26>, <&clkc 35>;
80 interrupt-parent = <&intc>; 80 interrupt-parent = <&intc>;
81 interrupts = <0 49 4>; 81 interrupts = <0 49 4>;
82 num-cs = <4>; 82 num-cs = <4>;
83 is-decoded-cs = <0>; 83 is-decoded-cs = <0>;
84 reg = <0xe0007000 0x1000>; 84 reg = <0xe0007000 0x1000>;
85 }; 85 };
86 ... 86 ...
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