xref: /linux/Documentation/devicetree/bindings/remoteproc/ingenic,vpu.yaml (revision c83b49383b595be50647f0c764a48c78b5f3c4f8) 
1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/remoteproc/ingenic,vpu.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Ingenic Video Processing Unit
8
9description:
10  Inside the Video Processing Unit (VPU) of the recent JZ47xx SoCs from
11  Ingenic is a second Xburst MIPS CPU very similar to the main core.
12  This document describes the devicetree bindings for this auxiliary
13  processor.
14
15maintainers:
16  - Paul Cercueil <paul@crapouillou.net>
17
18properties:
19  compatible:
20    const: ingenic,jz4770-vpu-rproc
21
22  reg:
23    items:
24      - description: aux registers
25      - description: tcsm0 registers
26      - description: tcsm1 registers
27      - description: sram registers
28
29  reg-names:
30    items:
31      - const: aux
32      - const: tcsm0
33      - const: tcsm1
34      - const: sram
35
36  clocks:
37    items:
38      - description: aux clock
39      - description: vpu clock
40
41  clock-names:
42    items:
43      - const: aux
44      - const: vpu
45
46  interrupts:
47    maxItems: 1
48
49required:
50  - compatible
51  - reg
52  - reg-names
53  - clocks
54  - clock-names
55  - interrupts
56
57additionalProperties: false
58
59examples:
60  - |
61    #include <dt-bindings/clock/ingenic,jz4770-cgu.h>
62
63    vpu: video-decoder@132a0000 {
64      compatible = "ingenic,jz4770-vpu-rproc";
65
66      reg = <0x132a0000 0x20>, /* AUX */
67            <0x132b0000 0x4000>, /* TCSM0 */
68            <0x132c0000 0xc000>, /* TCSM1 */
69            <0x132f0000 0x7000>; /* SRAM */
70      reg-names = "aux", "tcsm0", "tcsm1", "sram";
71
72      clocks = <&cgu JZ4770_CLK_AUX>, <&cgu JZ4770_CLK_VPU>;
73      clock-names = "aux", "vpu";
74
75      interrupt-parent = <&cpuintc>;
76      interrupts = <3>;
77    };
78