xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/spi/allwinner,sun4i-a10-spi.yaml (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun%YAML 1.2
3*4882a593Smuzhiyun---
4*4882a593Smuzhiyun$id: http://devicetree.org/schemas/spi/allwinner,sun4i-a10-spi.yaml#
5*4882a593Smuzhiyun$schema: http://devicetree.org/meta-schemas/core.yaml#
6*4882a593Smuzhiyun
7*4882a593Smuzhiyuntitle: Allwinner A10 SPI Controller Device Tree Bindings
8*4882a593Smuzhiyun
9*4882a593SmuzhiyunallOf:
10*4882a593Smuzhiyun  - $ref: "spi-controller.yaml"
11*4882a593Smuzhiyun
12*4882a593Smuzhiyunmaintainers:
13*4882a593Smuzhiyun  - Chen-Yu Tsai <wens@csie.org>
14*4882a593Smuzhiyun  - Maxime Ripard <mripard@kernel.org>
15*4882a593Smuzhiyun
16*4882a593Smuzhiyunproperties:
17*4882a593Smuzhiyun  "#address-cells": true
18*4882a593Smuzhiyun  "#size-cells": true
19*4882a593Smuzhiyun
20*4882a593Smuzhiyun  compatible:
21*4882a593Smuzhiyun    const: allwinner,sun4i-a10-spi
22*4882a593Smuzhiyun
23*4882a593Smuzhiyun  reg:
24*4882a593Smuzhiyun    maxItems: 1
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun  interrupts:
27*4882a593Smuzhiyun    maxItems: 1
28*4882a593Smuzhiyun
29*4882a593Smuzhiyun  clocks:
30*4882a593Smuzhiyun    items:
31*4882a593Smuzhiyun      - description: Bus Clock
32*4882a593Smuzhiyun      - description: Module Clock
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun  clock-names:
35*4882a593Smuzhiyun    items:
36*4882a593Smuzhiyun      - const: ahb
37*4882a593Smuzhiyun      - const: mod
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun  dmas:
40*4882a593Smuzhiyun    items:
41*4882a593Smuzhiyun      - description: RX DMA Channel
42*4882a593Smuzhiyun      - description: TX DMA Channel
43*4882a593Smuzhiyun
44*4882a593Smuzhiyun  dma-names:
45*4882a593Smuzhiyun    items:
46*4882a593Smuzhiyun      - const: rx
47*4882a593Smuzhiyun      - const: tx
48*4882a593Smuzhiyun
49*4882a593Smuzhiyun  num-cs: true
50*4882a593Smuzhiyun
51*4882a593SmuzhiyunpatternProperties:
52*4882a593Smuzhiyun  "^.*@[0-9a-f]+":
53*4882a593Smuzhiyun    type: object
54*4882a593Smuzhiyun    properties:
55*4882a593Smuzhiyun      reg:
56*4882a593Smuzhiyun        items:
57*4882a593Smuzhiyun          minimum: 0
58*4882a593Smuzhiyun          maximum: 4
59*4882a593Smuzhiyun
60*4882a593Smuzhiyun      spi-rx-bus-width:
61*4882a593Smuzhiyun        const: 1
62*4882a593Smuzhiyun
63*4882a593Smuzhiyun      spi-tx-bus-width:
64*4882a593Smuzhiyun        const: 1
65*4882a593Smuzhiyun
66*4882a593Smuzhiyunrequired:
67*4882a593Smuzhiyun  - compatible
68*4882a593Smuzhiyun  - reg
69*4882a593Smuzhiyun  - interrupts
70*4882a593Smuzhiyun  - clocks
71*4882a593Smuzhiyun  - clock-names
72*4882a593Smuzhiyun
73*4882a593SmuzhiyunadditionalProperties: false
74*4882a593Smuzhiyun
75*4882a593Smuzhiyunexamples:
76*4882a593Smuzhiyun  - |
77*4882a593Smuzhiyun    spi1: spi@1c06000 {
78*4882a593Smuzhiyun        compatible = "allwinner,sun4i-a10-spi";
79*4882a593Smuzhiyun        reg = <0x01c06000 0x1000>;
80*4882a593Smuzhiyun        interrupts = <11>;
81*4882a593Smuzhiyun        clocks = <&ahb_gates 21>, <&spi1_clk>;
82*4882a593Smuzhiyun        clock-names = "ahb", "mod";
83*4882a593Smuzhiyun        #address-cells = <1>;
84*4882a593Smuzhiyun        #size-cells = <0>;
85*4882a593Smuzhiyun    };
86*4882a593Smuzhiyun
87*4882a593Smuzhiyun...
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