| # 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 |
| |
| interrupts: |
| items: |
| - description: CEC TX interrupt |
| - description: CEC RX interrupt |
| - description: CEC stuck at low interrupt |
| - description: Wake-up interrupt |
| - description: Hotplug connected interrupt |
| - description: Hotplug removed interrupt |
| |
| interrupt-names: |
| items: |
| - const: cec-tx |
| - const: cec-rx |
| - const: cec-low |
| - const: wakeup |
| - const: hpd-connected |
| - const: hpd-removed |
| |
| ddc: |
| $ref: /schemas/types.yaml#/definitions/phandle |
| description: > |
| Phandle of the I2C controller used for DDC EDID probing |
| |
| hpd-gpios: |
| maxItems: 1 |
| 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>; |
| }; |
| |
| ... |
