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author | Tom Rini | 2024-02-29 12:33:36 -0500 |
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committer | Tom Rini | 2024-02-29 12:33:36 -0500 |
commit | 53633a893a06bd5a0c807287d9cc29337806eaf7 (patch) | |
tree | 3d1092c556e3be208de2328232c29725970c6edc /Bindings/display/brcm,bcm2711-hdmi.yaml |
Squashed 'dts/upstream/' content from commit aaba2d45dc2a
git-subtree-dir: dts/upstream
git-subtree-split: aaba2d45dc2a1b3bbb710f2a3808ee1c9f340abe
Diffstat (limited to 'Bindings/display/brcm,bcm2711-hdmi.yaml')
-rw-r--r-- | Bindings/display/brcm,bcm2711-hdmi.yaml | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/Bindings/display/brcm,bcm2711-hdmi.yaml b/Bindings/display/brcm,bcm2711-hdmi.yaml new file mode 100644 index 00000000000..5b35adf34c7 --- /dev/null +++ b/Bindings/display/brcm,bcm2711-hdmi.yaml @@ -0,0 +1,141 @@ +# 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 + +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>; + }; + +... |