Commit b73be499 authored by Sowjanya Komatineni's avatar Sowjanya Komatineni Committed by Mauro Carvalho Chehab
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media: dt-bindings: tegra: Update VI and CSI bindings with port info



Update VI and CSI bindings to add port and endpoint nodes as per
media video-interfaces DT binding document.

Acked-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarSowjanya Komatineni <skomatineni@nvidia.com>
Signed-off-by: default avatarHans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+huawei@kernel.org>
parent 8c393b34
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+90 −2
Original line number Diff line number Diff line
@@ -51,7 +51,15 @@ of the following host1x client modules:
      - vi
  - Tegra210:
    - power-domains: Must include venc powergate node as vi is in VE partition.
  - Tegra210 has CSI part of VI sharing same host interface and register space.

  ports (optional node)
  vi can have optional ports node and max 6 ports are supported. Each port
  should have single 'endpoint' child node. All port nodes are grouped under
  ports node. Please refer to the bindings defined in
  Documentation/devicetree/bindings/media/video-interfaces.txt

  csi (required node)
  Tegra210 has CSI part of VI sharing same host interface and register space.
  So, VI device node should have CSI child node.

    - csi: mipi csi interface to vi
@@ -65,6 +73,46 @@ of the following host1x client modules:
      - power-domains: Must include sor powergate node as csicil is in
        SOR partition.

      channel (optional nodes)
      Maximum 6 channels are supported with each csi brick as either x4 or x2
      based on hw connectivity to sensor.

      Required properties:
      - reg: csi port number. Valid port numbers are 0 through 5.
      - nvidia,mipi-calibrate: Should contain a phandle and a specifier
        specifying which pads are used by this CSI port and need to be
	calibrated. See also ../display/tegra/nvidia,tegra114-mipi.txt.

      Each channel node must contain 2 port nodes which can be grouped
      under 'ports' node and each port should have a single child 'endpoint'
      node.

        ports node
        Please refer to the bindings defined in
        Documentation/devicetree/bindings/media/video-interfaces.txt

        ports node must contain below 2 port nodes.
        port@0 with single child 'endpoint' node always a sink.
        port@1 with single child 'endpoint' node always a source.

        port@0 (required node)
        Required properties:
        - reg: 0

	  endpoint (required node)
	  Required properties:
	  - data-lanes: an array of data lane from 1 to 4. Valid array
	    lengths are 1/2/4.
	  - remote-endpoint: phandle to sensor 'endpoint' node.

        port@1 (required node)
        Required properties:
        - reg: 1

	  endpoint (required node)
	  Required properties:
	  - remote-endpoint: phandle to vi port 'endpoint' node.

- epp: encoder pre-processor

  Required properties:
@@ -340,6 +388,18 @@ Example:

			ranges = <0x0 0x0 0x54080000 0x2000>;

			ports {
				#address-cells = <1>;
				#size-cells = <0>;

				port@0 {
					reg = <0>;
					imx219_vi_in0: endpoint {
						remote-endpoint = <&imx219_csi_out0>;
					};
				};
			};

			csi@838 {
				compatible = "nvidia,tegra210-csi";
				reg = <0x838 0x1300>;
@@ -362,6 +422,34 @@ Example:
					 <&tegra_car TEGRA210_CLK_CSI_TPG>;
				clock-names = "csi", "cilab", "cilcd", "cile", "csi_tpg";
				power-domains = <&pd_sor>;

				#address-cells = <1>;
				#size-cells = <0>;

				channel@0 {
					reg = <0>;
					nvidia,mipi-calibrate = <&mipi 0x001>;

					ports {
						#address-cells = <1>;
						#size-cells = <0>;

						port@0 {
							reg = <0>;
							imx219_csi_in0: endpoint {
								data-lanes = <1 2>;
								remote-endpoint = <&imx219_out0>;
							};
						};

						port@1 {
							reg = <1>;
							imx219_csi_out0: endpoint {
								remote-endpoint = <&imx219_vi_in0>;
							};
						};
					};
				};
			};
		};