Hi Rob, On Fri, 2021-07-16 at 13:23 -0600, Rob Herring wrote: > On Wed, Jul 14, 2021 at 03:38:48PM +0200, Stefan Riedmueller wrote: > > Convert mt9p031 sensor bindings to yaml schema. Also update the > > MAINTAINERS entry. > > > > Although input-clock-frequency and pixel-clock-frequency have not been > > definded as endpoint propierties in the textual bindings, the sensor > > does parse them from the endpoint. Thus move these properties to the > > endpoint in the new yaml bindings. > > > > Signed-off-by: Stefan Riedmueller <s.riedmueller@xxxxxxxxx> > > --- > > .../bindings/media/i2c/aptina,mt9p031.yaml | 92 +++++++++++++++++++ > > .../devicetree/bindings/media/i2c/mt9p031.txt | 40 -------- > > MAINTAINERS | 1 + > > 3 files changed, 93 insertions(+), 40 deletions(-) > > create mode 100644 > > Documentation/devicetree/bindings/media/i2c/aptina,mt9p031.yaml > > delete mode 100644 > > Documentation/devicetree/bindings/media/i2c/mt9p031.txt > > > > diff --git > > a/Documentation/devicetree/bindings/media/i2c/aptina,mt9p031.yaml > > b/Documentation/devicetree/bindings/media/i2c/aptina,mt9p031.yaml > > new file mode 100644 > > index 000000000000..1531ecd1ed95 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/media/i2c/aptina,mt9p031.yaml > > @@ -0,0 +1,92 @@ > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > > +%YAML 1.2 > > +--- > > +$id: http://devicetree.org/schemas/media/i2c/aptina,mt9p031.yaml# > > +$schema: http://devicetree.org/meta-schemas/core.yaml# > > + > > +title: Aptina 1/2.5-Inch 5Mp CMOS Digital Image Sensor > > + > > +maintainers: > > + - Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> > > + > > +description: | > > + The Aptina MT9P031 is a 1/2.5-inch CMOS active pixel digital image > > sensor > > + with an active array size of 2592H x 1944V. It is programmable through > > a > > + simple two-wire serial interface. > > + > > +properties: > > + compatible: > > + enum: > > + - aptina,mt9p031 > > + - aptina,mt9p031m > > + > > + reg: > > + description: I2C device address > > + maxItems: 1 > > + > > + reset-gpios: > > + maxItems: 1 > > + description: Chip reset GPIO > > + > > + port: > > + $ref: /schemas/graph.yaml#/$defs/port-base > > + additionalProperties: false > > + > > + properties: > > + endpoint: > > + $ref: /schemas/media/video-interfaces.yaml# > > + unevaluatedProperties: false > > + > > + properties: > > + input-clock-frequency: > > + $ref: /schemas/types.yaml#/definitions/uint32 > > + minimum: 6000000 > > + maximum: 96000000 > > + description: Input clock frequency > > + > > + pixel-clock-frequency: > > + $ref: /schemas/types.yaml#/definitions/uint32 > > + maximum: 96000000 > > + description: Target pixel clock frequency > > + > > + bus-type: > > + const: 5 > > + > > + bus-width: > > + const: 12 > > If there's only 1 possible setting for both of these, why do they need > to be in DT? My idea was to have them here as constraints in case someone wants to add them to although there is no actual need to. That's why I added them optional. But to be honest, I wasn't sure if that's the correct approach, so if you'd prefer to drop them then it's fine with me. Regards, Stefan > > Rob