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Message-ID: <TY3PR01MB11346FDF74840ADF7273A218D864B2@TY3PR01MB11346.jpnprd01.prod.outlook.com> Date: Tue, 29 Oct 2024 07:33:00 +0000 From: Biju Das <biju.das.jz@...renesas.com> To: Liu Ying <victor.liu@....com>, "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>, "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "linux-media@...r.kernel.org" <linux-media@...r.kernel.org>, "imx@...ts.linux.dev" <imx@...ts.linux.dev>, "linux-arm-kernel@...ts.infradead.org" <linux-arm-kernel@...ts.infradead.org> CC: "andrzej.hajda@...el.com" <andrzej.hajda@...el.com>, "neil.armstrong@...aro.org" <neil.armstrong@...aro.org>, "rfoss@...nel.org" <rfoss@...nel.org>, laurent.pinchart <laurent.pinchart@...asonboard.com>, "jonas@...boo.se" <jonas@...boo.se>, "jernej.skrabec@...il.com" <jernej.skrabec@...il.com>, "maarten.lankhorst@...ux.intel.com" <maarten.lankhorst@...ux.intel.com>, "mripard@...nel.org" <mripard@...nel.org>, "tzimmermann@...e.de" <tzimmermann@...e.de>, "airlied@...il.com" <airlied@...il.com>, "simona@...ll.ch" <simona@...ll.ch>, "robh@...nel.org" <robh@...nel.org>, "krzk+dt@...nel.org" <krzk+dt@...nel.org>, "conor+dt@...nel.org" <conor+dt@...nel.org>, "quic_jesszhan@...cinc.com" <quic_jesszhan@...cinc.com>, "mchehab@...nel.org" <mchehab@...nel.org>, "shawnguo@...nel.org" <shawnguo@...nel.org>, "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>, "kernel@...gutronix.de" <kernel@...gutronix.de>, "festevam@...il.com" <festevam@...il.com>, "catalin.marinas@....com" <catalin.marinas@....com>, "will@...nel.org" <will@...nel.org>, "sakari.ailus@...ux.intel.com" <sakari.ailus@...ux.intel.com>, "hverkuil@...all.nl" <hverkuil@...all.nl>, "tomi.valkeinen@...asonboard.com" <tomi.valkeinen@...asonboard.com>, "quic_bjorande@...cinc.com" <quic_bjorande@...cinc.com>, "geert+renesas@...der.be" <geert+renesas@...der.be>, "dmitry.baryshkov@...aro.org" <dmitry.baryshkov@...aro.org>, "arnd@...db.de" <arnd@...db.de>, "nfraprado@...labora.com" <nfraprado@...labora.com>, "thierry.reding@...il.com" <thierry.reding@...il.com>, Prabhakar Mahadev Lad <prabhakar.mahadev-lad.rj@...renesas.com>, "sam@...nborg.org" <sam@...nborg.org>, "marex@...x.de" <marex@...x.de> Subject: RE: [PATCH v4 08/13] dt-bindings: display: Document dual-link LVDS display common properties Hi Liu Ying, > -----Original Message----- > From: Liu Ying <victor.liu@....com> > Sent: 28 October 2024 02:38 > Subject: [PATCH v4 08/13] dt-bindings: display: Document dual-link LVDS display common properties > > Dual-link LVDS displays receive odd pixels and even pixels separately from dual LVDS links. One link > receives odd pixels and the other receives even pixels. Some of those displays may also use only one > LVDS link to receive all pixels, being odd and even agnostic. Document common properties for those > displays by extending LVDS display common properties defined in lvds.yaml. > > Suggested-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org> > Signed-off-by: Liu Ying <victor.liu@....com> > --- > v4: > * Squash change for advantech,idk-2121wr.yaml and > panel-simple-lvds-dual-ports.yaml with lvds-dual-ports.yaml. (Rob) > * Improve description in lvds-dual-ports.yaml. (Krzysztof) > > v3: > * New patch. (Dmitry) > > .../bindings/display/lvds-dual-ports.yaml | 76 +++++++++++++++++++ > .../display/panel/advantech,idk-2121wr.yaml | 14 +--- > .../panel/panel-simple-lvds-dual-ports.yaml | 20 +---- > 3 files changed, 78 insertions(+), 32 deletions(-) create mode 100644 > Documentation/devicetree/bindings/display/lvds-dual-ports.yaml > > diff --git a/Documentation/devicetree/bindings/display/lvds-dual-ports.yaml > b/Documentation/devicetree/bindings/display/lvds-dual-ports.yaml > new file mode 100644 > index 000000000000..5f7a30640404 > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/lvds-dual-ports.yaml > @@ -0,0 +1,76 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/display/lvds-dual-ports.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Dual-link LVDS Display Common Properties > + > +maintainers: > + - Liu Ying <victor.liu@....com> > + > +description: | > + Common properties for LVDS displays with dual LVDS links. Extend LVDS > +display > + common properties defined in lvds.yaml. > + > + Dual-link LVDS displays receive odd pixels and even pixels separately > + from the dual LVDS links. One link receives odd pixels and the other > + receives even pixels. Some of those displays may also use only one > + LVDS link to receive all pixels, being odd and even agnostic. > + > +allOf: > + - $ref: lvds.yaml# > + > +properties: > + ports: > + $ref: /schemas/graph.yaml#/properties/ports > + > + properties: > + port@0: > + $ref: /schemas/graph.yaml#/$defs/port-base > + unevaluatedProperties: false > + description: the first LVDS input link > + > + properties: > + dual-lvds-odd-pixels: > + type: boolean > + description: the first LVDS input link for odd pixels > + > + dual-lvds-even-pixels: > + type: boolean > + description: the first LVDS input link for even pixels port@0 we know it is first link port@1 we know it is second link. dual-lvds-odd-pixels: We know it is for odd pixels. dual-lvds-even-pixels: We know it is for odd pixels. Not sure, whether we can give common description and avoid the duplicate from port@1 ?? > + > + oneOf: > + - required: [dual-lvds-odd-pixels] > + - required: [dual-lvds-even-pixels] > + - properties: > + dual-lvds-odd-pixels: false > + dual-lvds-even-pixels: false Why this is false here? oneOf is not sufficient? > + > + port@1: > + $ref: /schemas/graph.yaml#/$defs/port-base > + unevaluatedProperties: false > + description: the second LVDS input link > + > + properties: > + dual-lvds-odd-pixels: > + type: boolean > + description: the second LVDS input link for odd pixels > + > + dual-lvds-even-pixels: > + type: boolean > + description: the second LVDS input link for even pixels > + > + oneOf: > + - required: [dual-lvds-odd-pixels] > + - required: [dual-lvds-even-pixels] > + - properties: > + dual-lvds-odd-pixels: false > + dual-lvds-even-pixels: false Same as above?? Cheers, Biju > + > +required: > + - ports > + > +additionalProperties: true > + > +... > diff --git a/Documentation/devicetree/bindings/display/panel/advantech,idk-2121wr.yaml > b/Documentation/devicetree/bindings/display/panel/advantech,idk-2121wr.yaml > index 2e8dbdb5a3d5..05ca3b2385f8 100644 > --- a/Documentation/devicetree/bindings/display/panel/advantech,idk-2121wr.yaml > +++ b/Documentation/devicetree/bindings/display/panel/advantech,idk-2121 > +++ wr.yaml > @@ -20,6 +20,7 @@ description: | > dual-lvds-odd-pixels or dual-lvds-even-pixels). > > allOf: > + - $ref: /schemas/display/lvds-dual-ports.yaml# > - $ref: panel-common.yaml# > > properties: > @@ -44,22 +45,10 @@ properties: > > properties: > port@0: > - $ref: /schemas/graph.yaml#/$defs/port-base > - unevaluatedProperties: false > - description: The sink for odd pixels. > - properties: > - dual-lvds-odd-pixels: true > - > required: > - dual-lvds-odd-pixels > > port@1: > - $ref: /schemas/graph.yaml#/$defs/port-base > - unevaluatedProperties: false > - description: The sink for even pixels. > - properties: > - dual-lvds-even-pixels: true > - > required: > - dual-lvds-even-pixels > > @@ -75,7 +64,6 @@ required: > - height-mm > - data-mapping > - panel-timing > - - ports > > examples: > - |+ > diff --git a/Documentation/devicetree/bindings/display/panel/panel-simple-lvds-dual-ports.yaml > b/Documentation/devicetree/bindings/display/panel/panel-simple-lvds-dual-ports.yaml > index 10ed4b57232b..e80fc7006984 100644 > --- a/Documentation/devicetree/bindings/display/panel/panel-simple-lvds-dual-ports.yaml > +++ b/Documentation/devicetree/bindings/display/panel/panel-simple-lvds- > +++ dual-ports.yaml > @@ -22,6 +22,7 @@ description: | > If the panel is more advanced a dedicated binding file is required. > > allOf: > + - $ref: /schemas/display/lvds-dual-ports.yaml# > - $ref: panel-common.yaml# > > properties: > @@ -55,28 +56,10 @@ properties: > > properties: > port@0: > - $ref: /schemas/graph.yaml#/$defs/port-base > - unevaluatedProperties: false > - description: The first sink port. > - > - properties: > - dual-lvds-odd-pixels: > - type: boolean > - description: The first sink port for odd pixels. > - > required: > - dual-lvds-odd-pixels > > port@1: > - $ref: /schemas/graph.yaml#/$defs/port-base > - unevaluatedProperties: false > - description: The second sink port. > - > - properties: > - dual-lvds-even-pixels: > - type: boolean > - description: The second sink port for even pixels. > - > required: > - dual-lvds-even-pixels > > @@ -88,7 +71,6 @@ unevaluatedProperties: false > > required: > - compatible > - - ports > - power-supply > > examples: > -- > 2.34.1
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