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# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/display/brcm,bcm2711-hdmi.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Broadcom BCM2711 HDMI Controller Device Tree Bindings
maintainers:
- Eric Anholt <eric@anholt.net>
properties:
compatible:
enum:
- brcm,bcm2711-hdmi0
- brcm,bcm2711-hdmi1
reg:
items:
- description: HDMI controller register range
- description: DVP register range
- description: HDMI PHY register range
- description: Rate Manager register range
- description: Packet RAM register range
- description: Metadata RAM register range
- description: CSC register range
- description: CEC register range
- description: HD register range
reg-names:
items:
- const: hdmi
- const: dvp
- const: phy
- const: rm
- const: packet
- const: metadata
- const: csc
- const: cec
- const: hd
clocks:
items:
- description: The HDMI state machine clock
- description: The Pixel BVB clock
- description: The HDMI Audio parent clock
- description: The HDMI CEC parent clock
clock-names:
items:
- const: hdmi
- const: bvb
- const: audio
- const: cec
ddc:
allOf:
- $ref: /schemas/types.yaml#/definitions/phandle
description: >
Phandle of the I2C controller used for DDC EDID probing
hpd-gpios:
description: >
The GPIO pin for the HDMI hotplug detect (if it doesn't appear
as an interrupt/status bit in the HDMI controller itself)
dmas:
maxItems: 1
description: >
Should contain one entry pointing to the DMA channel used to
transfer audio data.
dma-names:
const: audio-rx
resets:
maxItems: 1
wifi-2.4ghz-coexistence:
type: boolean
description: >
Should the pixel frequencies in the WiFi frequencies range be
avoided?
required:
- compatible
- reg
- reg-names
- clocks
- resets
- ddc
additionalProperties: false
examples:
- |
hdmi0: hdmi@7ef00700 {
compatible = "brcm,bcm2711-hdmi0";
reg = <0x7ef00700 0x300>,
<0x7ef00300 0x200>,
<0x7ef00f00 0x80>,
<0x7ef00f80 0x80>,
<0x7ef01b00 0x200>,
<0x7ef01f00 0x400>,
<0x7ef00200 0x80>,
<0x7ef04300 0x100>,
<0x7ef20000 0x100>;
reg-names = "hdmi",
"dvp",
"phy",
"rm",
"packet",
"metadata",
"csc",
"cec",
"hd";
clocks = <&firmware_clocks 13>, <&firmware_clocks 14>, <&dvp 1>, <&clk_27MHz>;
clock-names = "hdmi", "bvb", "audio", "cec";
resets = <&dvp 0>;
ddc = <&ddc0>;
};
...
|
