On Mon, Feb 12, 2024 at 01:13:21PM +0000, Paweł Anikiel wrote: > 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. Why does this need a dedicated property? Is it not sufficient to check that there are no endpoints in the devicetree? Cheers, Conor. > + > + 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 >
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