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[84.172.88.146]) by smtp.googlemail.com with ESMTPSA id l8sm2520877wmc.40.2021.11.23.13.49.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 23 Nov 2021 13:49:41 -0800 (PST) From: =?utf-8?q?Niklas_S=C3=B6derlund?= To: Rob Herring , devicetree@vger.kernel.org, linux-media@vger.kernel.org Cc: linux-renesas-soc@vger.kernel.org, =?utf-8?q?Niklas_S=C3=B6derlund?= Subject: [PATCH] dt-bindings: staging: media: i2c: Add bindings for Maxim Integrated MAX96712 Date: Tue, 23 Nov 2021 22:49:22 +0100 Message-Id: <20211123214922.3981616-1-niklas.soderlund+renesas@ragnatech.se> X-Mailer: git-send-email 2.34.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org 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 Reviewed-by: Kieran Bingham --- .../staging/media/i2c/maxim,max96712.yaml | 111 ++++++++++++++++++ 1 file changed, 111 insertions(+) create mode 100644 Documentation/devicetree/bindings/staging/media/i2c/maxim,max96712.yaml diff --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 + +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 + 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 + + 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>; + }; + }; + }; + }; + };