1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/spi/allwinn 4 $id: http://devicetree.org/schemas/spi/allwinner,sun6i-a31-spi.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Allwinner A31 SPI Controller !! 7 title: Allwinner A31 SPI Controller Device Tree Bindings
8 8
9 allOf: 9 allOf:
10 - $ref: spi-controller.yaml !! 10 - $ref: "spi-controller.yaml"
11 11
12 maintainers: 12 maintainers:
13 - Chen-Yu Tsai <wens@csie.org> 13 - Chen-Yu Tsai <wens@csie.org>
14 - Maxime Ripard <mripard@kernel.org> 14 - Maxime Ripard <mripard@kernel.org>
15 15
16 properties: 16 properties:
>> 17 "#address-cells": true
>> 18 "#size-cells": true
>> 19
17 compatible: 20 compatible:
18 oneOf: 21 oneOf:
19 - const: allwinner,sun50i-r329-spi <<
20 - const: allwinner,sun6i-a31-spi 22 - const: allwinner,sun6i-a31-spi
21 - const: allwinner,sun8i-h3-spi 23 - const: allwinner,sun8i-h3-spi
22 - items: 24 - items:
23 - enum: 25 - enum:
24 - allwinner,sun8i-r40-spi 26 - allwinner,sun8i-r40-spi
25 - allwinner,sun50i-h6-spi 27 - allwinner,sun50i-h6-spi
26 - allwinner,sun50i-h616-spi 28 - allwinner,sun50i-h616-spi
27 - allwinner,suniv-f1c100s-spi 29 - allwinner,suniv-f1c100s-spi
28 - const: allwinner,sun8i-h3-spi 30 - const: allwinner,sun8i-h3-spi
29 - items: <<
30 - enum: <<
31 - allwinner,sun20i-d1-spi <<
32 - allwinner,sun50i-r329-spi-dbi <<
33 - const: allwinner,sun50i-r329-spi <<
34 - items: <<
35 - const: allwinner,sun20i-d1-spi-dbi <<
36 - const: allwinner,sun50i-r329-spi-d <<
37 - const: allwinner,sun50i-r329-spi <<
38 31
39 reg: 32 reg:
40 maxItems: 1 33 maxItems: 1
41 34
42 interrupts: 35 interrupts:
43 maxItems: 1 36 maxItems: 1
44 37
45 clocks: 38 clocks:
46 items: 39 items:
47 - description: Bus Clock 40 - description: Bus Clock
48 - description: Module Clock 41 - description: Module Clock
49 42
50 clock-names: 43 clock-names:
51 items: 44 items:
52 - const: ahb 45 - const: ahb
53 - const: mod 46 - const: mod
54 47
55 resets: 48 resets:
56 maxItems: 1 49 maxItems: 1
57 50
58 dmas: 51 dmas:
59 items: 52 items:
60 - description: RX DMA Channel 53 - description: RX DMA Channel
61 - description: TX DMA Channel 54 - description: TX DMA Channel
62 55
63 dma-names: 56 dma-names:
64 items: 57 items:
65 - const: rx 58 - const: rx
66 - const: tx 59 - const: tx
67 60
>> 61 num-cs: true
>> 62
68 patternProperties: 63 patternProperties:
69 "^.*@[0-9a-f]+": 64 "^.*@[0-9a-f]+":
70 type: object 65 type: object
71 additionalProperties: true <<
72 <<
73 properties: 66 properties:
74 reg: 67 reg:
75 items: 68 items:
76 minimum: 0 69 minimum: 0
77 maximum: 4 70 maximum: 4
78 71
79 spi-rx-bus-width: 72 spi-rx-bus-width:
80 const: 1 73 const: 1
81 74
82 spi-tx-bus-width: 75 spi-tx-bus-width:
83 const: 1 76 const: 1
84 77
85 required: 78 required:
86 - compatible 79 - compatible
87 - reg 80 - reg
88 - interrupts 81 - interrupts
89 - clocks 82 - clocks
90 - clock-names 83 - clock-names
91 84
92 unevaluatedProperties: false !! 85 additionalProperties: false
93 86
94 examples: 87 examples:
95 - | 88 - |
96 spi1: spi@1c69000 { 89 spi1: spi@1c69000 {
97 compatible = "allwinner,sun6i-a31-spi" 90 compatible = "allwinner,sun6i-a31-spi";
98 reg = <0x01c69000 0x1000>; 91 reg = <0x01c69000 0x1000>;
99 interrupts = <0 66 4>; 92 interrupts = <0 66 4>;
100 clocks = <&ahb1_gates 21>, <&spi1_clk> 93 clocks = <&ahb1_gates 21>, <&spi1_clk>;
101 clock-names = "ahb", "mod"; 94 clock-names = "ahb", "mod";
102 resets = <&ahb1_rst 21>; 95 resets = <&ahb1_rst 21>;
103 #address-cells = <1>; 96 #address-cells = <1>;
104 #size-cells = <0>; 97 #size-cells = <0>;
105 }; 98 };
106 99
107 - | 100 - |
108 spi0: spi@1c68000 { 101 spi0: spi@1c68000 {
109 compatible = "allwinner,sun8i-h3-spi"; 102 compatible = "allwinner,sun8i-h3-spi";
110 reg = <0x01c68000 0x1000>; 103 reg = <0x01c68000 0x1000>;
111 interrupts = <0 65 4>; 104 interrupts = <0 65 4>;
112 clocks = <&ccu 30>, <&ccu 82>; 105 clocks = <&ccu 30>, <&ccu 82>;
113 clock-names = "ahb", "mod"; 106 clock-names = "ahb", "mod";
114 dmas = <&dma 23>, <&dma 23>; 107 dmas = <&dma 23>, <&dma 23>;
115 dma-names = "rx", "tx"; 108 dma-names = "rx", "tx";
116 resets = <&ccu 15>; 109 resets = <&ccu 15>;
117 #address-cells = <1>; 110 #address-cells = <1>;
118 #size-cells = <0>; 111 #size-cells = <0>;
119 }; 112 };
120 113
121 ... 114 ...
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