1 # SPDX-License-Identifier: (GPL-2.0-only OR BS 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/display/med 4 $id: http://devicetree.org/schemas/display/mediatek/mediatek,ufoe.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Mediatek display UFOe 7 title: Mediatek display UFOe
8 8
9 maintainers: 9 maintainers:
10 - Chun-Kuang Hu <chunkuang.hu@kernel.org> 10 - Chun-Kuang Hu <chunkuang.hu@kernel.org>
11 - Philipp Zabel <p.zabel@pengutronix.de> 11 - Philipp Zabel <p.zabel@pengutronix.de>
12 12
13 description: | 13 description: |
14 Mediatek display UFOe stands for Unified Fra 14 Mediatek display UFOe stands for Unified Frame Optimization engine.
15 UFOe can cut the data rate for DSI port whic 15 UFOe can cut the data rate for DSI port which may lead to reduce power
16 consumption. 16 consumption.
17 UFOe device node must be siblings to the cen 17 UFOe device node must be siblings to the central MMSYS_CONFIG node.
18 For a description of the MMSYS_CONFIG bindin 18 For a description of the MMSYS_CONFIG binding, see
19 Documentation/devicetree/bindings/arm/mediat 19 Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml
20 for details. 20 for details.
21 21
22 properties: 22 properties:
23 compatible: 23 compatible:
24 oneOf: 24 oneOf:
25 - enum: 25 - enum:
26 - mediatek,mt8173-disp-ufoe 26 - mediatek,mt8173-disp-ufoe
27 - items: 27 - items:
28 - const: mediatek,mt6795-disp-ufoe 28 - const: mediatek,mt6795-disp-ufoe
29 - const: mediatek,mt8173-disp-ufoe 29 - const: mediatek,mt8173-disp-ufoe
30 30
31 reg: 31 reg:
32 maxItems: 1 32 maxItems: 1
33 33
34 interrupts: 34 interrupts:
35 maxItems: 1 35 maxItems: 1
36 36
37 power-domains: 37 power-domains:
38 description: A phandle and PM domain speci 38 description: A phandle and PM domain specifier as defined by bindings of
39 the power controller specified by phandl 39 the power controller specified by phandle. See
40 Documentation/devicetree/bindings/power/ 40 Documentation/devicetree/bindings/power/power-domain.yaml for details.
41 41
42 clocks: 42 clocks:
43 items: 43 items:
44 - description: UFOe Clock 44 - description: UFOe Clock
45 45
46 required: 46 required:
47 - compatible 47 - compatible
48 - reg 48 - reg
49 - interrupts 49 - interrupts
50 - power-domains 50 - power-domains
51 - clocks 51 - clocks
52 52
53 additionalProperties: false 53 additionalProperties: false
54 54
55 examples: 55 examples:
56 - | 56 - |
57 #include <dt-bindings/interrupt-controller 57 #include <dt-bindings/interrupt-controller/arm-gic.h>
58 #include <dt-bindings/clock/mt8173-clk.h> 58 #include <dt-bindings/clock/mt8173-clk.h>
59 #include <dt-bindings/power/mt8173-power.h 59 #include <dt-bindings/power/mt8173-power.h>
60 soc { 60 soc {
61 #address-cells = <2>; 61 #address-cells = <2>;
62 #size-cells = <2>; 62 #size-cells = <2>;
63 63
64 ufoe@1401a000 { 64 ufoe@1401a000 {
65 compatible = "mediatek,mt8173-disp 65 compatible = "mediatek,mt8173-disp-ufoe";
66 reg = <0 0x1401a000 0 0x1000>; 66 reg = <0 0x1401a000 0 0x1000>;
67 interrupts = <GIC_SPI 191 IRQ_TYPE 67 interrupts = <GIC_SPI 191 IRQ_TYPE_LEVEL_LOW>;
68 power-domains = <&scpsys MT8173_PO 68 power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>;
69 clocks = <&mmsys CLK_MM_DISP_UFOE> 69 clocks = <&mmsys CLK_MM_DISP_UFOE>;
70 }; 70 };
71 }; 71 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.