Re: [PATCH] dt-bindings: staging: media: i2c: Add bindings for Maxim Integrated MAX96712
From: Kieran Bingham <kieran.bingham@ideasonboard.com>
Date: 2021-11-29 16:41:20
Also in:
linux-media, linux-renesas-soc
Quoting Niklas Söderlund (2021-11-23 21:49:22)
quoted hunk ↗ jump to hunk
Add bindings for Maxim Integrated MAX96712 deserializer. The MAX96712 deserializer converts GMSL2 or GMSL1 serial inputs into MIPI CSI-2 D-PHY or C-PHY formatted outputs. Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> --- .../staging/media/i2c/maxim,max96712.yaml | 111 ++++++++++++++++++ 1 file changed, 111 insertions(+) create mode 100644 Documentation/devicetree/bindings/staging/media/i2c/maxim,max96712.yamldiff --git a/Documentation/devicetree/bindings/staging/media/i2c/maxim,max96712.yaml b/Documentation/devicetree/bindings/staging/media/i2c/maxim,max96712.yaml new file mode 100644 index 0000000000000000..978f2c0e5caef567 --- /dev/null +++ b/Documentation/devicetree/bindings/staging/media/i2c/maxim,max96712.yaml@@ -0,0 +1,111 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) 2021 Renesas Electronics Corp. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/staging/media/i2c/maxim,max96712.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Quad GMSL2 to CSI-2 Deserializer with GMSL1 Compatibility + +maintainers: + - Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> + +description: | + The MAX96712 deserializer converts GMSL2 or GMSL1 serial inputs into MIPI + CSI-2 D-PHY or C-PHY formatted outputs. The device allows each link to + simultaneously transmit bidirectional control-channel data while forward + video transmissions are in progress. The MAX96712 can accommodate as many as + four remotely located sensors using industry-standard coax or STP + interconnects. + + Each GMSL2 serial link operates at a fixed rate of 3Gbps or 6Gbps in the + forward direction and 187.5Mbps in the re- verse direction. In GMSL1 mode, the
/re- verse/reverse/ Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
+ MAX96712 can be paired with first-generation 3.12Gbps or 1.5Gbps GMSL1
+ serializers or operate up to 3.12Gbps with GMSL2 serializers in GMSL1 mode.
+
+properties:
+ compatible:
+ const: maxim,max96712
+
+ reg:
+ description: I2C device address
+ maxItems: 1
+
+ enable-gpios: true
+
+ ports:
+ $ref: /schemas/graph.yaml#/properties/ports
+
+ properties:
+ port@0:
+ $ref: /schemas/graph.yaml#/properties/port
+ description: GMSL Input 0
+
+ port@1:
+ $ref: /schemas/graph.yaml#/properties/port
+ description: GMSL Input 1
+
+ port@2:
+ $ref: /schemas/graph.yaml#/properties/port
+ description: GMSL Input 2
+
+ port@3:
+ $ref: /schemas/graph.yaml#/properties/port
+ description: GMSL Input 3
+
+ port@4:
+ $ref: /schemas/graph.yaml#/$defs/port-base
+ unevaluatedProperties: false
+ description: CSI-2 Output
+
+ properties:
+ endpoint:
+ $ref: /schemas/media/video-interfaces.yaml#
+ unevaluatedProperties: false
+
+ properties:
+ data-lanes: true
+
+ required:
+ - data-lanes
+
+ required:
+ - port@4
+
+required:
+ - compatible
+ - reg
+ - ports
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+
+ i2c@e6508000 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ reg = <0 0xe6508000>;
+
+ gmsl0: gmsl-deserializer@49 {
+ compatible = "maxim,max96712";
+ reg = <0x49>;
+ enable-gpios = <&pca9654_a 0 GPIO_ACTIVE_HIGH>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@4 {
+ reg = <4>;
+ max96712_out0: endpoint {
+ clock-lanes = <0>;
+ data-lanes = <1 2 3 4>;
+ remote-endpoint = <&csi40_in>;
+ };
+ };
+ };
+ };
+ };
--
2.34.0