Il giorno mer 4 nov 2020 alle ore 22:48 Rob Herring <robh@xxxxxxxxxx> ha scritto: > > 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 > > + > > + 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 Agreed. > > > + 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 wrote this as to document the hardware (there is no datasheet around and I fear that findings will be forgotten one day)... but if you say it's not relevant... ...well, then I can as well just write it in my local notes and remove the info from here. > > + items: > > + - const: 0 > > + - const: 1 > > + - const: 2 > > + - const: 3 > > + > > + clock-noncontinuous: true > > + > > + link-frequencies: > > + $ref: /schemas/types.yaml#/definitions/uint64-array > > + description: > > + Allowed data bus frequencies. The driver currently needs > > + to switch between 780000000 and 480000000 Hz in order to > > + guarantee functionality of all modes. > > + > > + required: > > + - link-frequencies > > + > > +required: > > + - compatible > > + - reg > > + - clocks > > + - vana-supply > > + - vdig-supply > > + - vddl-supply > > + - port > > + > > +additionalProperties: false > > + > > +examples: > > + - | > > + i2c0 { > > + #address-cells = <1>; > > + #size-cells = <0>; > > + > > + imx300: sensor@10 { > > + compatible = "sony,imx300"; > > + reg = <0x10>; > > + clocks = <&imx300_xclk>; > > + vana-supply = <&imx300_vana>; /* 2.2v */ > > + vdig-supply = <&imx300_vdig>; /* 1.2v */ > > + vddl-supply = <&imx300_vddl>; /* 1.8v */ > > + > > + port { > > + imx300_0: endpoint { > > + remote-endpoint = <&csi1_ep>; > > + data-lanes = <0 1 2 3>; > > + clock-noncontinuous; > > + link-frequencies = /bits/ 64 <780000000 480000000>; > > + }; > > + }; > > + }; > > + }; > > + > > +... > > diff --git a/MAINTAINERS b/MAINTAINERS > > index c66710dd7e0a..21ba41db0063 100644 > > --- a/MAINTAINERS > > +++ b/MAINTAINERS > > @@ -16279,6 +16279,13 @@ T: git git://linuxtv.org/media_tree.git > > F: Documentation/devicetree/bindings/media/i2c/imx290.txt > > F: drivers/media/i2c/imx290.c > > > > +SONY IMX300 SENSOR DRIVER > > +M: AngeloGioacchino Del Regno <kholk11@xxxxxxxxx> > > +L: linux-media@xxxxxxxxxxxxxxx > > +S: Maintained > > +F: Documentation/devicetree/bindings/media/i2c/sony,imx300.yaml > > +F: drivers/media/i2c/imx300.c > > + > > SONY IMX319 SENSOR DRIVER > > M: Bingbu Cao <bingbu.cao@xxxxxxxxx> > > L: linux-media@xxxxxxxxxxxxxxx > > -- > > 2.28.0 > > Also, I'm sorry for the *very* late reply. I've been busy quite a lot in these days! By the way, I'll push a v3 for this one ASAP! Yours, Angelo
