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