| Message ID | 20210602132950.4167596-2-m.tretter@pengutronix.de (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | media: i2c: isl7998x: Add driver for Intersil ISL7998x | expand |
On Wed, Jun 02, 2021 at 03:29:49PM +0200, Michael Tretter wrote: > From: Marek Vasut <marex@denx.de> > > Add bindings for the Intersil ISL79987 analog to MIPI CSI-2 decoder. > > Signed-off-by: Marek Vasut <marex@denx.de> > Cc: Sakari Ailus <sakari.ailus@linux.intel.com> > Cc: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> > Cc: Rob Herring <robh+dt@kernel.org> > Cc: devicetree@vger.kernel.org > To: linux-media@vger.kernel.org > Signed-off-by: Michael Tretter <m.tretter@pengutronix.de> > --- > Changelog: > > v2: > > - convert binding to yaml > - change description to match only isl79987 > - replace num-inputs property with multiple ports > - add reset gpio > --- > .../bindings/media/i2c/isil,isl79987.yaml | 108 ++++++++++++++++++ > 1 file changed, 108 insertions(+) > create mode 100644 Documentation/devicetree/bindings/media/i2c/isil,isl79987.yaml > > diff --git a/Documentation/devicetree/bindings/media/i2c/isil,isl79987.yaml b/Documentation/devicetree/bindings/media/i2c/isil,isl79987.yaml > new file mode 100644 > index 000000000000..4aa27511b1ab > --- /dev/null > +++ b/Documentation/devicetree/bindings/media/i2c/isil,isl79987.yaml > @@ -0,0 +1,108 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/media/i2c/isil,isl79987.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Intersil ISL79987 Analog to MIPI CSI-2 decoder > + > +maintainers: > + - Michael Tretter <m.tretter@pengutronix.de> > + - Marek Vasut <marex@denx.de> > + > +description: > + The Intersil ISL79987 is an analog to MIPI CSI-2 decoder which is capable of > + receiving up to four analog stream and multiplexing them into up to four MIPI > + CSI-2 virtual channels, using one MIPI clock lane and 1/2 data lanes. > + > +properties: > + compatible: > + enum: > + - isil,isl79987 > + > + reg: > + maxItems: 1 > + > + reset-gpios: > + maxItems: 1 > + description: > + A GPIO spec for the RSTB pin (active high) > + > + pd-gpios: powerdown-gpios is the somewhat standard name. > + maxItems: 1 > + description: > + A GPIO spec for the Power Down pin (active high) > + > + ports: > + type: object Please reference the graph.yaml schema. There's several examples in the tree now what this should look like. > + description: > + A node containing input and output port nodes with endpoint definitions > + as documented in > + Documentation/devicetree/bindings/media/video-interfaces.txt This is now video-interfaces.yaml, but it's not actually used here. > + properties: > + '#address-cells': > + const: 1 > + '#size-cells': > + const: 0 These can be dropped (covered by graph.yaml). > + port@0: > + type: object > + description: Output port > + > + patternProperties: > + "^port@[1-4]$": > + type: object > + description: Input ports > + > + required: > + - port@0 > + > +additionalProperties: false > + > +required: > + - compatible > + - reg > + - ports > + > +examples: > + - | > + #include <dt-bindings/gpio/gpio.h> > + > + i2c { > + #address-cells = <1>; > + #size-cells = <0>; > + > + isl7998x_mipi@44 { > + compatible = "isil,isl79987"; > + reg = <0x44>; > + pd-gpios = <&gpio3 27 GPIO_ACTIVE_HIGH>; > + reset-gpios = <&gpio3 28 GPIO_ACTIVE_HIGH>; > + > + ports { > + #address-cells = <1>; > + #size-cells = <0>; > + > + port@0 { > + reg = <0>; > + isl79987_out: endpoint { > + remote-endpoint = <&mipi_csi2_in>; > + clock-lanes = <0>; > + data-lanes = <1 2>; > + }; > + }; > + > + port@1 { > + reg = <1>; > + endpoint { > + remote-endpoint = <&camera_0>; > + }; > + }; > + > + port@2 { > + reg = <2>; > + endpoint { > + remote-endpoint = <&camera_1>; > + }; > + }; > + }; > + }; > + }; > -- > 2.29.2
diff --git a/Documentation/devicetree/bindings/media/i2c/isil,isl79987.yaml b/Documentation/devicetree/bindings/media/i2c/isil,isl79987.yaml new file mode 100644 index 000000000000..4aa27511b1ab --- /dev/null +++ b/Documentation/devicetree/bindings/media/i2c/isil,isl79987.yaml @@ -0,0 +1,108 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/media/i2c/isil,isl79987.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Intersil ISL79987 Analog to MIPI CSI-2 decoder + +maintainers: + - Michael Tretter <m.tretter@pengutronix.de> + - Marek Vasut <marex@denx.de> + +description: + The Intersil ISL79987 is an analog to MIPI CSI-2 decoder which is capable of + receiving up to four analog stream and multiplexing them into up to four MIPI + CSI-2 virtual channels, using one MIPI clock lane and 1/2 data lanes. + +properties: + compatible: + enum: + - isil,isl79987 + + reg: + maxItems: 1 + + reset-gpios: + maxItems: 1 + description: + A GPIO spec for the RSTB pin (active high) + + pd-gpios: + maxItems: 1 + description: + A GPIO spec for the Power Down pin (active high) + + ports: + type: object + description: + A node containing input and output port nodes with endpoint definitions + as documented in + Documentation/devicetree/bindings/media/video-interfaces.txt + properties: + '#address-cells': + const: 1 + '#size-cells': + const: 0 + port@0: + type: object + description: Output port + + patternProperties: + "^port@[1-4]$": + type: object + description: Input ports + + required: + - port@0 + +additionalProperties: false + +required: + - compatible + - reg + - ports + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + isl7998x_mipi@44 { + compatible = "isil,isl79987"; + reg = <0x44>; + pd-gpios = <&gpio3 27 GPIO_ACTIVE_HIGH>; + reset-gpios = <&gpio3 28 GPIO_ACTIVE_HIGH>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + isl79987_out: endpoint { + remote-endpoint = <&mipi_csi2_in>; + clock-lanes = <0>; + data-lanes = <1 2>; + }; + }; + + port@1 { + reg = <1>; + endpoint { + remote-endpoint = <&camera_0>; + }; + }; + + port@2 { + reg = <2>; + endpoint { + remote-endpoint = <&camera_1>; + }; + }; + }; + }; + };