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$id: http://devicetree.org/schemas/bus/allwinner,sun50i-a64-de2.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Allwinner A64 Display Engine Bus Device Tree Bindings
8
9maintainers:
10 - Chen-Yu Tsai <wens@csie.org>
11 - Maxime Ripard <mripard@kernel.org>
12
13properties:
14 $nodename:
15 pattern: "^bus(@[0-9a-f]+)?$"
16
17 "#address-cells":
18 const: 1
19
20 "#size-cells":
21 const: 1
22
23 compatible:
24 oneOf:
25 - const: allwinner,sun50i-a64-de2
26 - items:
27 - const: allwinner,sun50i-h6-de3
28 - const: allwinner,sun50i-a64-de2
29
30 reg:
31 maxItems: 1
32
33 allwinner,sram:
34 description:
35 The SRAM that needs to be claimed to access the display engine
36 bus.
37 $ref: /schemas/types.yaml#/definitions/phandle-array
38 maxItems: 1
39
40 ranges: true
41
42patternProperties:
43 # All other properties should be child nodes with unit-address and 'reg'
44 "^[a-zA-Z][a-zA-Z0-9,+\\-._]{0,63}@[0-9a-fA-F]+$":
45 type: object
46 properties:
47 reg:
48 maxItems: 1
49
50 required:
51 - reg
52
53required:
54 - compatible
55 - reg
56 - "#address-cells"
57 - "#size-cells"
58 - ranges
59 - allwinner,sram
60
61additionalProperties: false
62
63examples:
64 - |
65 bus@1000000 {
66 compatible = "allwinner,sun50i-a64-de2";
67 reg = <0x1000000 0x400000>;
68 allwinner,sram = <&de2_sram 1>;
69 #address-cells = <1>;
70 #size-cells = <1>;
71 ranges = <0 0x1000000 0x400000>;
72
73 display_clocks: clock@0 {
74 compatible = "allwinner,sun50i-a64-de2-clk";
75 reg = <0x0 0x100000>;
76 clocks = <&ccu 52>, <&ccu 99>;
77 clock-names = "bus", "mod";
78 resets = <&ccu 30>;
79 #clock-cells = <1>;
80 #reset-cells = <1>;
81 };
82 };
83
84...