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1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)2%YAML 1.23---4$id: http://devicetree.org/schemas/display/arm,malidp.yaml#5$schema: http://devicetree.org/meta-schemas/core.yaml#6 7title: Arm Mali Display Processor (Mali-DP)8 9maintainers:10 - Liviu Dudau <Liviu.Dudau@arm.com>11 - Andre Przywara <andre.przywara@arm.com>12 13description:14 The following bindings apply to a family of Display Processors sold as15 licensable IP by ARM Ltd. The bindings describe the Mali DP500, DP550 and16 DP650 processors that offer multiple composition layers, support for17 rotation and scaling output.18 19properties:20 compatible:21 enum:22 - arm,mali-dp50023 - arm,mali-dp55024 - arm,mali-dp65025 26 reg:27 maxItems: 128 29 interrupts:30 items:31 - description:32 The interrupt used by the Display Engine (DE). Can be shared with33 the interrupt for the Scaling Engine (SE), but it will have to be34 listed individually.35 - description:36 The interrupt used by the Scaling Engine (SE). Can be shared with37 the interrupt for the Display Engine (DE), but it will have to be38 listed individually.39 40 interrupt-names:41 items:42 - const: DE43 - const: SE44 45 clock-names:46 items:47 - const: pxlclk48 - const: mclk49 - const: aclk50 - const: pclk51 52 clocks:53 items:54 - description: the pixel clock feeding the output PLL of the processor55 - description: the main processor clock56 - description: the AXI interface clock57 - description: the APB interface clock58 59 memory-region:60 maxItems: 161 description:62 Phandle to a node describing memory to be used for the framebuffer.63 If not present, the framebuffer may be located anywhere in memory.64 65 arm,malidp-output-port-lines:66 $ref: /schemas/types.yaml#/definitions/uint8-array67 description:68 Number of output lines/bits for each colour channel.69 items:70 - description: number of output lines for the red channel (R)71 - description: number of output lines for the green channel (G)72 - description: number of output lines for the blue channel (B)73 74 arm,malidp-arqos-value:75 $ref: /schemas/types.yaml#/definitions/uint3276 description:77 Quality-of-Service value for the display engine FIFOs, to write78 into the RQOS register of the DP500.79 See the ARM Mali-DP500 TRM for details on the encoding.80 If omitted, the RQOS register will not be changed.81 82 port:83 $ref: /schemas/graph.yaml#/properties/port84 unevaluatedProperties: false85 description:86 Output endpoint of the controller, connecting the LCD panel signals.87 88additionalProperties: false89 90required:91 - compatible92 - reg93 - interrupts94 - interrupt-names95 - clocks96 - clock-names97 - port98 - arm,malidp-output-port-lines99 100examples:101 - |102 dp0: malidp@6f200000 {103 compatible = "arm,mali-dp650";104 reg = <0x6f200000 0x20000>;105 memory-region = <&display_reserved>;106 interrupts = <168>, <168>;107 interrupt-names = "DE", "SE";108 clocks = <&oscclk2>, <&fpgaosc0>, <&fpgaosc1>, <&fpgaosc1>;109 clock-names = "pxlclk", "mclk", "aclk", "pclk";110 arm,malidp-output-port-lines = /bits/ 8 <8 8 8>;111 arm,malidp-arqos-value = <0xd000d000>;112 113 port {114 dp0_output: endpoint {115 remote-endpoint = <&tda998x_2_input>;116 };117 };118 };119...120