media/i2c/imi%2Crdacm2x-gmsl.yaml

1 # SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
4 ---
5 $id: http://devicetree.org/schemas/media/i2c/imi,rdacm2x-gmsl.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11   - Jacopo Mondi <jacopo+renesas@jmondi.org>
12   - Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
13   - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
14   - Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
16 description: -|
17   The IMI D&D RDACM20 and RDACM21 are GMSL-compatible camera designed for
22   the image sensor are connected to the serializer local I2C bus and are
26   OV10640 image sensor and an OV490 ISP. Only the OV490 ISP is interfaced to
27   the serializer local I2C bus while the image sensor is not accessible from
33   +---------------+                        +--------------------------------+
34   |      GMSL     |   <- Video Stream      |       <- Video--------\        |
35   |               |< === GMSL Link ====== >|MAX9271<- I2C bus-> <-->OV10635 |
36   | de-serializer |   <- I2C messages ->   |                   \<-->MCU     |
37   +---------------+                        +--------------------------------+
40   +---------------+                        +--------------------------------+
41   |      GMSL     |   <- Video Stream      |       <- Video--------\        |
42   |               |< === GMSL Link ====== >|MAX9271<- I2C bus-> <-->OV490   |
43   |               |   <- I2C messages ->   |                          |     |
44   | de-serializer |                        |          OV10640 <-------|     |
45   +---------------+                        +--------------------------------+
48   sensor on the GMSL serial channel to a remote GMSL de-serializer. They also
49   receive and transmit I2C messages encapsulated and transmitted on the GMSL
52   All I2C traffic received on the GMSL link not directed to the serializer is
53   propagated on the local I2C bus to the remote device there connected. All the
54   I2C traffic generated on the local I2C bus not directed to the serializer is
55   propagated to the remote de-serializer encapsulated in the GMSL control
59   deserializer's I2C bus corresponding to the GMSL link that the camera is
63   '#address-cells':
66   '#size-cells':
71       - imi,rdacm20
72       - imi,rdacm21
75     description: -|
76       I2C device addresses, the first to be assigned to the serializer, the
82       For RDACM21 the second entry is assigned to the OV490 ISP and the optional
94   - compatible
95   - reg
96   - port
101   - |
102     i2c@e66d8000 {
103       #address-cells = <1>;
104       #size-cells = <0>;
114             remote-endpoint = <&max9286_in0>;
120   - |
121     i2c@e66d8000 {
122       #address-cells = <1>;
123       #size-cells = <0>;
133             remote-endpoint = <&max9286_in0>;