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X-OriginatorOrg: topic.nl X-MS-Exchange-CrossTenant-OriginalArrivalTime: 02 Sep 2025 14:52:52.3002 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: ae7da9c0-7020-4366-d031-08ddea306497 X-MS-Exchange-CrossTenant-Id: 449607a5-3517-482d-8d16-41dd868cbda3 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=449607a5-3517-482d-8d16-41dd868cbda3;Ip=[20.93.157.195];Helo=[westeu11-emailsignatures-cloud.codetwo.com] X-MS-Exchange-CrossTenant-AuthSource: AMS0EPF000001B4.eurprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM9PR04MB8145 On 9/2/25 16:41, Mike Looijmans wrote: > On 9/2/25 15:46, Krzysztof Kozlowski wrote: >> On 02/09/2025 10:46, Mike Looijmans wrote: >>>>> +=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 endpoint: >>>>> +=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 $= ref: /schemas/media/video-interfaces.yaml# >>>>> +=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 u= nevaluatedProperties: false >>>>> + >>>>> +=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 port@1: >>>>> +=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 $ref: /schemas/graph.yaml= #/$defs/port-base >>>>> +=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 unevaluatedProperties: fa= lse >>>>> +=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 description: Video port f= or HDMI output (panel or bridge) >>>>> + >>>>> +=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 properties: >>>>> +=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 endpoint: >>>>> +=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 $= ref: /schemas/media/video-interfaces.yaml# >>>>> +=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 u= nevaluatedProperties: false >>>>> + >>>>> +=C2=A0=C2=A0=C2=A0 required: >>>>> +=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 - port@0 >>>>> +=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 - port@1 >>>>> + >>>>> +=C2=A0 ti,source-mode: >>>>> +=C2=A0=C2=A0=C2=A0 type: boolean >>>>> +=C2=A0=C2=A0=C2=A0 description: >>>>> +=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Force chip to operate in "source" mod= e. Allows to use >>>>> +=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 a TMDS181 chip (which defaults to sin= k) as cable driver. >>>>> + >>>>> +=C2=A0 ti,sink-mode: >>>> Aren't these two mutually exclusive? Can same device operate in source >>>> and in sink mode simultaneously? >>> They're exclusive, yes. Will add that. >> Then either define constraints per variant in if:then: or maybe better >> use string enum. Not sure what applies where, so tricky to say which >> choice is better. >> >> Best regards, >> Krzysztof > > Since there's already going to be an "if" block, it simplifies parsing=20 > to keep the booleans. My first attempt was this, but that doesn't work=20 > as I'd expect. Adding "slew-rate" to the example dts results in an=20 > error, so apparently the "if" block doesn't do what I think it would=20 > and I haven't figured out yet what the correct syntax must be: > > if: > =C2=A0 properties: > =C2=A0 =C2=A0 compatible: > =C2=A0 =C2=A0 =C2=A0 contains: > =C2=A0 =C2=A0 =C2=A0 =C2=A0 const: ti,sn65dp159 > then: > =C2=A0 properties: > =C2=A0 =C2=A0 ti,sink-mode: > =C2=A0 =C2=A0 =C2=A0 type: boolean > =C2=A0 =C2=A0 =C2=A0 description: > =C2=A0 =C2=A0 =C2=A0 =C2=A0 Force chip to operate in "sink" mode. Allows = to use > =C2=A0 =C2=A0 =C2=A0 =C2=A0 a DP159 chip (defaults to source) for incomin= g signals. > =C2=A0 =C2=A0 ti,dvi-mode: > =C2=A0 =C2=A0 =C2=A0 type: boolean > =C2=A0 =C2=A0 =C2=A0 description: Makes the DP159 chip operate in DVI mod= e. > =C2=A0 =C2=A0 slew-rate: > =C2=A0 =C2=A0 =C2=A0 $ref: /schemas/types.yaml#/definitions/uint32 > =C2=A0 =C2=A0 =C2=A0 minimum: 0 > =C2=A0 =C2=A0 =C2=A0 maximum: 3 > =C2=A0 =C2=A0 =C2=A0 default: 3 > =C2=A0 =C2=A0 =C2=A0 description: Set slew rate, 0 is slowest, 3 is faste= st. > else: > =C2=A0 properties: > =C2=A0 =C2=A0 ti,source-mode: > =C2=A0 =C2=A0 =C2=A0 type: boolean > =C2=A0 =C2=A0 =C2=A0 description: > =C2=A0 =C2=A0 =C2=A0 =C2=A0 Force chip to operate in "source" mode. Allow= s to use > =C2=A0 =C2=A0 =C2=A0 =C2=A0 a TMDS181 chip (which defaults to sink) as ca= ble driver. > Hmm, apparently one cannot "add" properties in the "if:" block? The=20 opposite approach, disallowing properties, works, e.g.: if: =C2=A0 properties: =C2=A0 =C2=A0 compatible: =C2=A0 =C2=A0 =C2=A0 contains: =C2=A0 =C2=A0 =C2=A0 =C2=A0 const: ti,sn65dp159 then: =C2=A0 properties: =C2=A0 =C2=A0 ti,source-mode: false else: =C2=A0 properties: =C2=A0 =C2=A0 ti,sink-mode: false =C2=A0 =C2=A0 ti,dvi-mode: false =C2=A0 =C2=A0 slew-rate: false This produces the wanted behavior, though it looks counter-intuitive to me. --=20 Mike Looijmans