[RFC PATCH 12/24] dt-bindings: media: i2c: max96714: add support for MAX9296A

Cosmin Tanislav
2025-03-08T18:35:15Z

MAX9296A is an older variant of the MAX96714 which doesn't support
tunnel mode, but has two GMSL2 links.

Signed-off-by: Cosmin Tanislav <demonsingur@gmail.com>
---
.../bindings/media/i2c/maxim,max96714.yaml | 87 +++++++++++++++++++
1 file changed, 87 insertions(+)

diff --git a/Documentation/devicetree/bindings/media/i2c/maxim,max96714.yaml b/Documentation/devicetree/bindings/media/i2c/maxim,max96714.yaml
index 5bbd36c55ab4..9c6c79a770ed 100644
--- a/Documentation/devicetree/bindings/media/i2c/maxim,max96714.yaml
+++ b/Documentation/devicetree/bindings/media/i2c/maxim,max96714.yaml
@@ -22,11 +22,14 @@ description:

The GMSL2 serial link operates at a fixed rate of 3Gbps or 6Gbps in the
forward direction and 187.5Mbps in the reverse direction.
+
MAX96714F only supports a fixed rate of 3Gbps in the forward direction.
+ MAX9296A only supports pixel mode, and has two GMSL2 links.

properties:
compatible:
oneOf:
+ - const: maxim,max9296a
- const: maxim,max96714f
- items:
- enum:
@@ -109,6 +112,90 @@ allOf:
required:
- port@1

+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - maxim,max9296a
+ then:
+ allOf:
+ - $ref: /schemas/i2c/i2c-atr.yaml#
+
+ properties:
+ i2c-alias-pool:
+ maxItems: 2
+
+ i2c-atr:
+ patternProperties:
+ '^i2c@[0-1]$':
+ $ref: /schemas/i2c/i2c-controller.yaml#
+ properties:
+ reg:
+ items:
+ min: 0
+ max: 1
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - maxim,max9296a
+ then:
+ properties:
+ port0-poc-supply:
+ description: Regulator providing Power over Coax for GMSL port 0
+
+ port1-poc-supply:
+ description: Regulator providing Power over Coax for GMSL port 1
+
+ ports:
+ $ref: /schemas/graph.yaml#/properties/ports
+
+ patternProperties:
+ port@[0-1]:
+ $ref: /schemas/graph.yaml#/properties/port
+ unevaluatedProperties: false
+ description: GMSL Input
+ properties:
+ endpoint:
+ $ref: /schemas/media/video-interfaces.yaml#
+ unevaluatedProperties: false
+ description:
+ Endpoint for GMSL2-Link port.
+
+ port@[2-3]:
+ $ref: /schemas/graph.yaml#/$defs/port-base
+ unevaluatedProperties: false
+ description: CSI-2 Output port
+
+ properties:
+ endpoint:
+ $ref: /schemas/media/video-interfaces.yaml#
+ unevaluatedProperties: false
+
+ properties:
+ data-lanes:
+ minItems: 1
+ maxItems: 4
+
+ lane-polarities:
+ minItems: 1
+ maxItems: 5
+
+ link-frequencies:
+ maxItems: 1
+
+ required:
+ - data-lanes
+
+ anyOf:
+ - required:
+ - port@2
+ - required:
+ - port@3
+
examples:
- |
#include <dt-bindings/gpio/gpio.h>
--
2.48.1