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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/Documentation/devicetree/bindings/display/apple,h7-display-pipe.yaml
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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)

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%YAML 1.2

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---

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$id: http://devicetree.org/schemas/display/apple,h7-display-pipe.yaml#

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$schema: http://devicetree.org/meta-schemas/core.yaml#

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title: Apple pre-DCP display controller

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maintainers:

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  - Sasha Finkelstein <fnkl.kernel@gmail.com>

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description:

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  A secondary display controller used to drive the "touchbar" on

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  certain Apple laptops.

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properties:

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  compatible:

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    items:

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      - enum:

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          - apple,t8112-display-pipe

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          - apple,t8103-display-pipe

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      - const: apple,h7-display-pipe

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  reg:

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    items:

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      - description: Primary register block, controls planes and blending

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      - description:

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          Contains other configuration registers like interrupt

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          and FIFO control

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  reg-names:

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    items:

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      - const: be

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      - const: fe

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  power-domains:

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    description:

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      Phandles to pmgr entries that are needed for this controller to turn on.

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      Aside from that, their specific functions are unknown

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    maxItems: 2

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  interrupts:

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    items:

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      - description: Unknown function

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      - description: Primary interrupt. Vsync events are reported via it

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  interrupt-names:

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    items:

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      - const: be

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      - const: fe

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  iommus:

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    maxItems: 1

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  port:

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    $ref: /schemas/graph.yaml#/properties/port

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    description: Output port. Always connected to apple,h7-display-pipe-mipi

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required:

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  - compatible

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  - reg

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  - interrupts

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  - port

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additionalProperties: false

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examples:

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  - |

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    #include <dt-bindings/interrupt-controller/apple-aic.h>

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    display-pipe@28200000 {

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        compatible = "apple,t8103-display-pipe", "apple,h7-display-pipe";

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        reg = <0x28200000 0xc000>,

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              <0x28400000 0x4000>;

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        reg-names = "be", "fe";

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        power-domains = <&ps_dispdfr_fe>, <&ps_dispdfr_be>;

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        interrupt-parent = <&aic>;

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        interrupts = <AIC_IRQ 502 IRQ_TYPE_LEVEL_HIGH>,

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                     <AIC_IRQ 506 IRQ_TYPE_LEVEL_HIGH>;

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        interrupt-names = "be", "fe";

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        iommus = <&displaydfr_dart 0>;

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        port {

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            dfr_adp_out_mipi: endpoint {

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                remote-endpoint = <&dfr_mipi_in_adp>;

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            };

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        };

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    };

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...

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