FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/media/imx7-mipi-csi2.txt

     Freescale i.MX7 Mipi CSI2
     =========================
     
     mipi_csi2 node
     --------------
     
     This is the device node for the MIPI CSI-2 receiver core in i.MX7 SoC. It is
     compatible with previous version of Samsung D-phy.
     
    Required properties:
    
    - compatible    : "fsl,imx7-mipi-csi2";
    - reg           : base address and length of the register set for the device;
    - interrupts    : should contain MIPI CSIS interrupt;
    - clocks        : list of clock specifiers, see
            Documentation/devicetree/bindings/clock/clock-bindings.txt for details;
    - clock-names   : must contain "pclk", "wrap" and "phy" entries, matching
                      entries in the clock property;
    - power-domains : a phandle to the power domain, see
              Documentation/devicetree/bindings/power/power_domain.txt for details.
    - reset-names   : should include following entry "mrst";
    - resets        : a list of phandle, should contain reset entry of
                      reset-names;
    - phy-supply    : from the generic phy bindings, a phandle to a regulator that
                      provides power to MIPI CSIS core;
    
    Optional properties:
    
    - clock-frequency : The IP's main (system bus) clock frequency in Hz, default
                        value when this property is not specified is 166 MHz;
    - fsl,csis-hs-settle : differential receiver (HS-RX) settle time;
    
    The device node should contain two 'port' child nodes with one child 'endpoint'
    node, according to the bindings defined in:
     Documentation/devicetree/bindings/ media/video-interfaces.txt.
     The following are properties specific to those nodes.
    
    port node
    ---------
    
    - reg             : (required) can take the values 0 or 1, where 0 shall be
                         related to the sink port and port 1 shall be the source
                         one;
    
    endpoint node
    -------------
    
    - data-lanes    : (required) an array specifying active physical MIPI-CSI2
                        data input lanes and their mapping to logical lanes; this
                        shall only be applied to port 0 (sink port), the array's
                        content is unused only its length is meaningful,
                        in this case the maximum length supported is 2;
    
    example:
    
            mipi_csi: mipi-csi@30750000 {
                    #address-cells = <1>;
                    #size-cells = <0>;
    
                    compatible = "fsl,imx7-mipi-csi2";
                    reg = <0x30750000 0x10000>;
                    interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
                    clocks = <&clks IMX7D_IPG_ROOT_CLK>,
                                    <&clks IMX7D_MIPI_CSI_ROOT_CLK>,
                                    <&clks IMX7D_MIPI_DPHY_ROOT_CLK>;
                    clock-names = "pclk", "wrap", "phy";
                    clock-frequency = <166000000>;
                    power-domains = <&pgc_mipi_phy>;
                    phy-supply = <&reg_1p0d>;
                    resets = <&src IMX7_RESET_MIPI_PHY_MRST>;
                    reset-names = "mrst";
                    fsl,csis-hs-settle = <3>;
    
                    port@0 {
                            reg = <0>;
    
                            mipi_from_sensor: endpoint {
                                    remote-endpoint = <&ov2680_to_mipi>;
                                    data-lanes = <1>;
                            };
                    };
    
                    port@1 {
                            reg = <1>;
    
                            mipi_vc0_to_csi_mux: endpoint {
                                    remote-endpoint = <&csi_mux_from_mipi_vc0>;
                            };
                    };
            };

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