The Chameleon v3 uses the framebuffer IP core to take the video signal from different sources and directly write frames into memory. Signed-off-by: Paweł Anikiel <panikiel@xxxxxxxxxx> --- .../bindings/media/google,chv3-fb.yaml | 77 +++++++++++++++++++ 1 file changed, 77 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/google,chv3-fb.yaml diff --git a/Documentation/devicetree/bindings/media/google,chv3-fb.yaml b/Documentation/devicetree/bindings/media/google,chv3-fb.yaml new file mode 100644 index 000000000000..ba6643cc7232 --- /dev/null +++ b/Documentation/devicetree/bindings/media/google,chv3-fb.yaml @@ -0,0 +1,77 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/media/google,chv3-fb.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Google Chameleon v3 video framebuffer + +maintainers: + - Paweł Anikiel <panikiel@xxxxxxxxxx> + +properties: + compatible: + const: google,chv3-fb + + reg: + items: + - description: core registers + - description: irq registers + + interrupts: + maxItems: 1 + + google,legacy-format: + type: boolean + description: The incoming video stream is in 32-bit padded mode. + + google,no-endpoint: + type: boolean + description: + The framebuffer isn't connected to a controllable endpoint. + The video interface still works, but EDID control is unavailable + and DV timing information only reports the active video width/height. + + port: + $ref: /schemas/graph.yaml#/properties/port + +required: + - compatible + - reg + - interrupts + +allOf: + - if: + not: + required: + - google,no-endpoint + then: + required: + - port + +additionalProperties: false + +examples: + - | + video@c0060500 { + compatible = "google,chv3-fb"; + reg = <0xc0060500 0x100>, + <0xc0060f20 0x10>; + interrupts = <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>; + google,legacy-format; + google,no-endpoint; + }; + + - | + video@c0060600 { + compatible = "google,chv3-fb"; + reg = <0xc0060600 0x100>, + <0xc0060f30 0x10>; + interrupts = <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>; + + port { + fb_mst0_0: endpoint { + remote-endpoint = <&dprx_mst_0>; + }; + }; + }; -- 2.43.0.687.g38aa6559b0-goog
