| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0 |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/display/brcm,bcm2711-hdmi.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Broadcom BCM2711 HDMI Controller |
| 8 | |
| 9 | maintainers: |
| 10 | - Eric Anholt <eric@anholt.net> |
| 11 | |
| 12 | properties: |
| 13 | compatible: |
| 14 | enum: |
| 15 | - brcm,bcm2711-hdmi0 |
| 16 | - brcm,bcm2711-hdmi1 |
| 17 | |
| 18 | reg: |
| 19 | items: |
| 20 | - description: HDMI controller register range |
| 21 | - description: DVP register range |
| 22 | - description: HDMI PHY register range |
| 23 | - description: Rate Manager register range |
| 24 | - description: Packet RAM register range |
| 25 | - description: Metadata RAM register range |
| 26 | - description: CSC register range |
| 27 | - description: CEC register range |
| 28 | - description: HD register range |
| 29 | |
| 30 | reg-names: |
| 31 | items: |
| 32 | - const: hdmi |
| 33 | - const: dvp |
| 34 | - const: phy |
| 35 | - const: rm |
| 36 | - const: packet |
| 37 | - const: metadata |
| 38 | - const: csc |
| 39 | - const: cec |
| 40 | - const: hd |
| 41 | |
| 42 | clocks: |
| 43 | items: |
| 44 | - description: The HDMI state machine clock |
| 45 | - description: The Pixel BVB clock |
| 46 | - description: The HDMI Audio parent clock |
| 47 | - description: The HDMI CEC parent clock |
| 48 | |
| 49 | clock-names: |
| 50 | items: |
| 51 | - const: hdmi |
| 52 | - const: bvb |
| 53 | - const: audio |
| 54 | - const: cec |
| 55 | |
| 56 | interrupts: |
| 57 | items: |
| 58 | - description: CEC TX interrupt |
| 59 | - description: CEC RX interrupt |
| 60 | - description: CEC stuck at low interrupt |
| 61 | - description: Wake-up interrupt |
| 62 | - description: Hotplug connected interrupt |
| 63 | - description: Hotplug removed interrupt |
| 64 | |
| 65 | interrupt-names: |
| 66 | items: |
| 67 | - const: cec-tx |
| 68 | - const: cec-rx |
| 69 | - const: cec-low |
| 70 | - const: wakeup |
| 71 | - const: hpd-connected |
| 72 | - const: hpd-removed |
| 73 | |
| 74 | ddc: |
| 75 | $ref: /schemas/types.yaml#/definitions/phandle |
| 76 | description: > |
| 77 | Phandle of the I2C controller used for DDC EDID probing |
| 78 | |
| 79 | hpd-gpios: |
| 80 | maxItems: 1 |
| 81 | description: > |
| 82 | The GPIO pin for the HDMI hotplug detect (if it doesn't appear |
| 83 | as an interrupt/status bit in the HDMI controller itself) |
| 84 | |
| 85 | dmas: |
| 86 | maxItems: 1 |
| 87 | description: > |
| 88 | Should contain one entry pointing to the DMA channel used to |
| 89 | transfer audio data. |
| 90 | |
| 91 | dma-names: |
| 92 | const: audio-rx |
| 93 | |
| 94 | resets: |
| 95 | maxItems: 1 |
| 96 | |
| 97 | wifi-2.4ghz-coexistence: |
| 98 | type: boolean |
| 99 | description: > |
| 100 | Should the pixel frequencies in the WiFi frequencies range be |
| 101 | avoided? |
| 102 | |
| 103 | required: |
| 104 | - compatible |
| 105 | - reg |
| 106 | - reg-names |
| 107 | - clocks |
| 108 | - resets |
| 109 | - ddc |
| 110 | |
| 111 | additionalProperties: false |
| 112 | |
| 113 | examples: |
| 114 | - | |
| 115 | hdmi0: hdmi@7ef00700 { |
| 116 | compatible = "brcm,bcm2711-hdmi0"; |
| 117 | reg = <0x7ef00700 0x300>, |
| 118 | <0x7ef00300 0x200>, |
| 119 | <0x7ef00f00 0x80>, |
| 120 | <0x7ef00f80 0x80>, |
| 121 | <0x7ef01b00 0x200>, |
| 122 | <0x7ef01f00 0x400>, |
| 123 | <0x7ef00200 0x80>, |
| 124 | <0x7ef04300 0x100>, |
| 125 | <0x7ef20000 0x100>; |
| 126 | reg-names = "hdmi", |
| 127 | "dvp", |
| 128 | "phy", |
| 129 | "rm", |
| 130 | "packet", |
| 131 | "metadata", |
| 132 | "csc", |
| 133 | "cec", |
| 134 | "hd"; |
| 135 | clocks = <&firmware_clocks 13>, <&firmware_clocks 14>, <&dvp 1>, <&clk_27MHz>; |
| 136 | clock-names = "hdmi", "bvb", "audio", "cec"; |
| 137 | resets = <&dvp 0>; |
| 138 | ddc = <&ddc0>; |
| 139 | }; |
| 140 | |
| 141 | ... |