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freebsd
GitHub Repository: freebsd/freebsd-src
 Path: blob/main/sys/contrib/device-tree/Bindings/display/brcm,bcm2711-hdmi.yaml
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# SPDX-License-Identifier: GPL-2.0

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%YAML 1.2

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---

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$id: http://devicetree.org/schemas/display/brcm,bcm2711-hdmi.yaml#

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

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title: Broadcom BCM2711 HDMI Controller

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maintainers:

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  - Eric Anholt <eric@anholt.net>

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properties:

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  compatible:

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    enum:

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      - brcm,bcm2711-hdmi0

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      - brcm,bcm2711-hdmi1

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  reg:

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    items:

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      - description: HDMI controller register range

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      - description: DVP register range

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      - description: HDMI PHY register range

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      - description: Rate Manager register range

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      - description: Packet RAM register range

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      - description: Metadata RAM register range

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      - description: CSC register range

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      - description: CEC register range

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      - description: HD register range

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  reg-names:

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    items:

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      - const: hdmi

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      - const: dvp

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      - const: phy

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      - const: rm

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      - const: packet

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      - const: metadata

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      - const: csc

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      - const: cec

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      - const: hd

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  clocks:

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    items:

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      - description: The HDMI state machine clock

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      - description: The Pixel BVB clock

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      - description: The HDMI Audio parent clock

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      - description: The HDMI CEC parent clock

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  clock-names:

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    items:

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      - const: hdmi

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      - const: bvb

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      - const: audio

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      - const: cec

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  interrupts:

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    items:

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      - description: CEC TX interrupt

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      - description: CEC RX interrupt

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      - description: CEC stuck at low interrupt

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      - description: Wake-up interrupt

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      - description: Hotplug connected interrupt

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      - description: Hotplug removed interrupt

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  interrupt-names:

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    items:

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      - const: cec-tx

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      - const: cec-rx

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      - const: cec-low

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      - const: wakeup

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      - const: hpd-connected

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      - const: hpd-removed

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  ddc:

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    $ref: /schemas/types.yaml#/definitions/phandle

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    description: >

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      Phandle of the I2C controller used for DDC EDID probing

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  hpd-gpios:

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    maxItems: 1

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    description: >

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      The GPIO pin for the HDMI hotplug detect (if it doesn't appear

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      as an interrupt/status bit in the HDMI controller itself)

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  dmas:

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    maxItems: 1

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    description: >

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      Should contain one entry pointing to the DMA channel used to

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      transfer audio data.

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  dma-names:

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    const: audio-rx

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  resets:

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    maxItems: 1

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  wifi-2.4ghz-coexistence:

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    type: boolean

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    description: >

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      Should the pixel frequencies in the WiFi frequencies range be

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      avoided?

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required:

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  - compatible

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  - reg

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  - reg-names

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  - clocks

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  - resets

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  - ddc

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additionalProperties: false

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examples:

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  - |

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    hdmi0: hdmi@7ef00700 {

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        compatible = "brcm,bcm2711-hdmi0";

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        reg = <0x7ef00700 0x300>,

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              <0x7ef00300 0x200>,

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              <0x7ef00f00 0x80>,

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              <0x7ef00f80 0x80>,

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              <0x7ef01b00 0x200>,

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              <0x7ef01f00 0x400>,

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              <0x7ef00200 0x80>,

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              <0x7ef04300 0x100>,

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              <0x7ef20000 0x100>;

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        reg-names = "hdmi",

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                    "dvp",

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                    "phy",

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                    "rm",

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                    "packet",

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                    "metadata",

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                    "csc",

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                    "cec",

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                    "hd";

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        clocks = <&firmware_clocks 13>, <&firmware_clocks 14>, <&dvp 1>, <&clk_27MHz>;

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        clock-names = "hdmi", "bvb", "audio", "cec";

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        resets = <&dvp 0>;

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        ddc = <&ddc0>;

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    };

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...

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