| Message ID | 20210929084234.1271915-4-maxime@cerno.tech (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | drm/sun4i: Add support for dual-link LVDS on the A20 | expand |
Hi Maxime, Thank you for the patch. I may have written "Add LVDS link companion" property in the subject line. On Wed, Sep 29, 2021 at 10:42:30AM +0200, Maxime Ripard wrote: > The Allwinner SoCs with two TCONs and LVDS output can use both to drive an > LVDS dual-link. Add a new property to express that link between these two > TCONs. > > Signed-off-by: Maxime Ripard <maxime@cerno.tech> > --- > .../bindings/display/allwinner,sun4i-a10-tcon.yaml | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml b/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml > index 3a7d5d731712..d01b0689785c 100644 > --- a/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml > +++ b/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml > @@ -113,6 +113,12 @@ properties: > - const: edp > - const: lvds > > + link-companion: > + $ref: /schemas/types.yaml#/definitions/phandle > + description: > > + Phandle to the other TCON in the system used to drive a dual-link LVDS > + output. Should this be expanded to indicate that the property shall be set in both TCON instances ? Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> > + > ports: > $ref: /schemas/graph.yaml#/properties/ports >
diff --git a/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml b/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml index 3a7d5d731712..d01b0689785c 100644 --- a/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml +++ b/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml @@ -113,6 +113,12 @@ properties: - const: edp - const: lvds + link-companion: + $ref: /schemas/types.yaml#/definitions/phandle + description: > + Phandle to the other TCON in the system used to drive a dual-link LVDS + output. + ports: $ref: /schemas/graph.yaml#/properties/ports
The Allwinner SoCs with two TCONs and LVDS output can use both to drive an LVDS dual-link. Add a new property to express that link between these two TCONs. Signed-off-by: Maxime Ripard <maxime@cerno.tech> --- .../bindings/display/allwinner,sun4i-a10-tcon.yaml | 6 ++++++ 1 file changed, 6 insertions(+)