1 # SPDX-License-Identifier: GPL-2.0
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/media/rockchip-rga.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Rockchip 2D raster graphic acceleration controller (RGA)
8
9 description:
10 RGA is a standalone 2D raster graphic acceleration unit. It accelerates 2D
11 graphics operations, such as point/line drawing, image scaling, rotation,
12 BitBLT, alpha blending and image blur/sharpness.
13
14 maintainers:
15 - Jacob Chen <jacob-chen@iotwrt.com>
16 - Ezequiel Garcia <ezequiel@collabora.com>
17
18 properties:
19 compatible:
20 oneOf:
21 - const: rockchip,rk3288-rga
22 - const: rockchip,rk3399-rga
23 - items:
24 - enum:
25 - rockchip,rk3228-rga
26 - rockchip,rk3568-rga
27 - rockchip,rk3588-rga
28 - const: rockchip,rk3288-rga
29
30 reg:
31 maxItems: 1
32
33 interrupts:
34 maxItems: 1
35
36 clocks:
37 maxItems: 3
38
39 clock-names:
40 items:
41 - const: aclk
42 - const: hclk
43 - const: sclk
44
45 power-domains:
46 maxItems: 1
47
48 resets:
49 maxItems: 3
50
51 reset-names:
52 items:
53 - const: core
54 - const: axi
55 - const: ahb
56
57 required:
58 - compatible
59 - reg
60 - interrupts
61 - clocks
62 - clock-names
63 - resets
64 - reset-names
65
66 additionalProperties: false
67
68 examples:
69 - |
70 #include <dt-bindings/clock/rk3399-cru.h>
71 #include <dt-bindings/interrupt-controller/arm-gic.h>
72 #include <dt-bindings/power/rk3399-power.h>
73 rga: rga@ff680000 {
74 compatible = "rockchip,rk3399-rga";
75 reg = <0xff680000 0x10000>;
76 interrupts = <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>;
77 clocks = <&cru ACLK_RGA>,
78 <&cru HCLK_RGA>,
79 <&cru SCLK_RGA_CORE>;
80 clock-names = "aclk", "hclk", "sclk";
81 power-domains = <&power RK3399_PD_RGA>;
82 resets = <&cru SRST_RGA_CORE>,
83 <&cru SRST_A_RGA>,
84 <&cru SRST_H_RGA>;
85 reset-names = "core", "axi", "ahb";
86 };
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