142 lines
3.3 KiB
YAML
142 lines
3.3 KiB
YAML
# 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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