mediatek,dither.yaml (2593B)
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/display/mediatek/mediatek,dither.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Mediatek display dither processor 8 9maintainers: 10 - Chun-Kuang Hu <chunkuang.hu@kernel.org> 11 - Philipp Zabel <p.zabel@pengutronix.de> 12 13description: | 14 Mediatek display dither processor, namely DITHER, works by approximating 15 unavailable colors with available colors and by mixing and matching available 16 colors to mimic unavailable ones. 17 DITHER device node must be siblings to the central MMSYS_CONFIG node. 18 For a description of the MMSYS_CONFIG binding, see 19 Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml 20 for details. 21 22properties: 23 compatible: 24 oneOf: 25 - items: 26 - const: mediatek,mt8183-disp-dither 27 - items: 28 - enum: 29 - mediatek,mt8186-disp-dither 30 - mediatek,mt8192-disp-dither 31 - mediatek,mt8195-disp-dither 32 - const: mediatek,mt8183-disp-dither 33 34 reg: 35 maxItems: 1 36 37 interrupts: 38 maxItems: 1 39 40 power-domains: 41 description: A phandle and PM domain specifier as defined by bindings of 42 the power controller specified by phandle. See 43 Documentation/devicetree/bindings/power/power-domain.yaml for details. 44 45 clocks: 46 items: 47 - description: DITHER Clock 48 49 mediatek,gce-client-reg: 50 description: The register of client driver can be configured by gce with 51 4 arguments defined in this property, such as phandle of gce, subsys id, 52 register offset and size. Each GCE subsys id is mapping to a client 53 defined in the header include/dt-bindings/gce/<chip>-gce.h. 54 $ref: /schemas/types.yaml#/definitions/phandle-array 55 maxItems: 1 56 57required: 58 - compatible 59 - reg 60 - interrupts 61 - power-domains 62 - clocks 63 64additionalProperties: false 65 66examples: 67 - | 68 #include <dt-bindings/interrupt-controller/arm-gic.h> 69 #include <dt-bindings/clock/mt8183-clk.h> 70 #include <dt-bindings/power/mt8183-power.h> 71 #include <dt-bindings/gce/mt8183-gce.h> 72 73 soc { 74 #address-cells = <2>; 75 #size-cells = <2>; 76 77 dither0: dither@14012000 { 78 compatible = "mediatek,mt8183-disp-dither"; 79 reg = <0 0x14012000 0 0x1000>; 80 interrupts = <GIC_SPI 235 IRQ_TYPE_LEVEL_LOW>; 81 power-domains = <&spm MT8183_POWER_DOMAIN_DISP>; 82 clocks = <&mmsys CLK_MM_DISP_DITHER0>; 83 mediatek,gce-client-reg = <&gce SUBSYS_1401XXXX 0x2000 0x1000>; 84 }; 85 };