Hi Rob, AngeloGioacchino, On Wed, Nov 04, 2020 at 03:48:06PM -0600, Rob Herring wrote: > On Thu, Oct 29, 2020 at 06:29:47PM +0100, kholk11@xxxxxxxxx wrote: > > From: AngeloGioacchino Del Regno <kholk11@xxxxxxxxx> > > > > Add YAML device tree binding for IMX300 CMOS image sensor, and > > the relevant MAINTAINERS entries. > > > > Signed-off-by: AngeloGioacchino Del Regno <kholk11@xxxxxxxxx> > > --- > > .../bindings/media/i2c/sony,imx300.yaml | 112 ++++++++++++++++++ > > MAINTAINERS | 7 ++ > > 2 files changed, 119 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/media/i2c/sony,imx300.yaml > > > > diff --git a/Documentation/devicetree/bindings/media/i2c/sony,imx300.yaml b/Documentation/devicetree/bindings/media/i2c/sony,imx300.yaml > > new file mode 100644 > > index 000000000000..8f1d795f8072 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/media/i2c/sony,imx300.yaml > > @@ -0,0 +1,112 @@ > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > > +%YAML 1.2 > > +--- > > +$id: http://devicetree.org/schemas/media/i2c/sony,imx300.yaml# > > +$schema: http://devicetree.org/meta-schemas/core.yaml# > > + > > +title: Sony 1/2.3-Inch 8Mpixel Stacked CMOS Digital Image Sensor > > + > > +maintainers: > > + - AngeloGioacchino Del Regno <kholk11@xxxxxxxxx> > > + > > +description: |- > > + The Sony IMX300 is a 1/2.3-inch Stacked CMOS (Exmor-RS) digital image > > + sensor with a pixel size of 1.08um and an active array size of > > + 5948H x 4140V. It is programmable through I2C interface at address 0x10. > > + Image data is sent through MIPI CSI-2, which is configured as either 2 or > > + 4 data lanes. > > + > > +properties: > > + compatible: > > + const: sony,imx300 > > + > > + reg: > > + maxItems: 1 > > + > > + clocks: > > + maxItems: 1 The frequency needs to come from DT; it's not a property of the sensor. > > + > > + vdig-supply: > > + description: > > + Digital I/O voltage supply, 1.15-1.20 volts > > + > > + vana-supply: > > + description: > > + Analog voltage supply, 2.2 volts > > + > > + vddl-supply: > > + description: > > + Digital core voltage supply, 1.8 volts > > + > > + reset-gpios: > > maxItems: 1 > > > + description: |- > > + Reference to the GPIO connected to the xclr pin, if any. > > + Must be released (set high) after all supplies are applied. > > + > > + # See ../video-interfaces.txt for more details > > + port: > > + type: object > > + properties: > > + endpoint: > > + type: object > > + > > + properties: > > + data-lanes: > > + description: |- > > + The sensor supports either two-lane, or four-lane operation, > > + but the driver currently supports only four-lane. > > What the driver is not relevant. Please define all possible > configurations. Or just omit? What's the behavior if omitted? I think we've used to specify the number of lanes if it's configurable, instead of having defaults. I'd do the same here, i.e. require data-lanes. > > > + items: > > + - const: 0 > > + - const: 1 > > + - const: 2 > > + - const: 3 -- Kind regards, Sakari Ailus