1*c66ec88fSEmmanuel VadotTexas Instruments AM437x CAMERA (VPFE) 2*c66ec88fSEmmanuel Vadot-------------------------------------- 3*c66ec88fSEmmanuel Vadot 4*c66ec88fSEmmanuel VadotThe Video Processing Front End (VPFE) is a key component for image capture 5*c66ec88fSEmmanuel Vadotapplications. The capture module provides the system interface and the 6*c66ec88fSEmmanuel Vadotprocessing capability to connect RAW image-sensor modules and video decoders 7*c66ec88fSEmmanuel Vadotto the AM437x device. 8*c66ec88fSEmmanuel Vadot 9*c66ec88fSEmmanuel VadotRequired properties: 10*c66ec88fSEmmanuel Vadot- compatible: must be "ti,am437x-vpfe" 11*c66ec88fSEmmanuel Vadot- reg: physical base address and length of the registers set for the device; 12*c66ec88fSEmmanuel Vadot- interrupts: should contain IRQ line for the VPFE; 13*c66ec88fSEmmanuel Vadot- ti,am437x-vpfe-interface: can be one of the following, 14*c66ec88fSEmmanuel Vadot 0 - Raw Bayer Interface. 15*c66ec88fSEmmanuel Vadot 1 - 8 Bit BT656 Interface. 16*c66ec88fSEmmanuel Vadot 2 - 10 Bit BT656 Interface. 17*c66ec88fSEmmanuel Vadot 3 - YCbCr 8 Bit Interface. 18*c66ec88fSEmmanuel Vadot 4 - YCbCr 16 Bit Interface. 19*c66ec88fSEmmanuel Vadot 20*c66ec88fSEmmanuel VadotVPFE supports a single port node with parallel bus. It should contain one 21*c66ec88fSEmmanuel Vadot'port' child node with child 'endpoint' node. Please refer to the bindings 22*c66ec88fSEmmanuel Vadotdefined in Documentation/devicetree/bindings/media/video-interfaces.txt. 23*c66ec88fSEmmanuel Vadot 24*c66ec88fSEmmanuel VadotExample: 25*c66ec88fSEmmanuel Vadot vpfe: vpfe@f0034000 { 26*c66ec88fSEmmanuel Vadot compatible = "ti,am437x-vpfe"; 27*c66ec88fSEmmanuel Vadot reg = <0x48328000 0x2000>; 28*c66ec88fSEmmanuel Vadot interrupts = <GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH>; 29*c66ec88fSEmmanuel Vadot 30*c66ec88fSEmmanuel Vadot pinctrl-names = "default", "sleep"; 31*c66ec88fSEmmanuel Vadot pinctrl-0 = <&vpfe_pins_default>; 32*c66ec88fSEmmanuel Vadot pinctrl-1 = <&vpfe_pins_sleep>; 33*c66ec88fSEmmanuel Vadot 34*c66ec88fSEmmanuel Vadot port { 35*c66ec88fSEmmanuel Vadot #address-cells = <1>; 36*c66ec88fSEmmanuel Vadot #size-cells = <0>; 37*c66ec88fSEmmanuel Vadot 38*c66ec88fSEmmanuel Vadot vpfe0_ep: endpoint { 39*c66ec88fSEmmanuel Vadot remote-endpoint = <&ov2659_1>; 40*c66ec88fSEmmanuel Vadot ti,am437x-vpfe-interface = <0>; 41*c66ec88fSEmmanuel Vadot bus-width = <8>; 42*c66ec88fSEmmanuel Vadot hsync-active = <0>; 43*c66ec88fSEmmanuel Vadot vsync-active = <0>; 44*c66ec88fSEmmanuel Vadot }; 45*c66ec88fSEmmanuel Vadot }; 46*c66ec88fSEmmanuel Vadot }; 47*c66ec88fSEmmanuel Vadot 48*c66ec88fSEmmanuel Vadot i2c1: i2c@4802a000 { 49*c66ec88fSEmmanuel Vadot 50*c66ec88fSEmmanuel Vadot ov2659@30 { 51*c66ec88fSEmmanuel Vadot compatible = "ti,ov2659"; 52*c66ec88fSEmmanuel Vadot reg = <0x30>; 53*c66ec88fSEmmanuel Vadot 54*c66ec88fSEmmanuel Vadot port { 55*c66ec88fSEmmanuel Vadot ov2659_1: endpoint { 56*c66ec88fSEmmanuel Vadot remote-endpoint = <&vpfe0_ep>; 57*c66ec88fSEmmanuel Vadot bus-width = <8>; 58*c66ec88fSEmmanuel Vadot mclk-frequency = <12000000>; 59*c66ec88fSEmmanuel Vadot }; 60*c66ec88fSEmmanuel Vadot }; 61*c66ec88fSEmmanuel Vadot }; 62