1*4882a593SmuzhiyunAtmel Image Sensor Interface (ISI) 2*4882a593Smuzhiyun---------------------------------- 3*4882a593Smuzhiyun 4*4882a593SmuzhiyunRequired properties for ISI: 5*4882a593Smuzhiyun- compatible: must be "atmel,at91sam9g45-isi" or "microchip,sam9x60-isi". 6*4882a593Smuzhiyun- reg: physical base address and length of the registers set for the device. 7*4882a593Smuzhiyun- interrupts: should contain IRQ line for the ISI. 8*4882a593Smuzhiyun- clocks: list of clock specifiers, corresponding to entries in the clock-names 9*4882a593Smuzhiyun property; please refer to clock-bindings.txt. 10*4882a593Smuzhiyun- clock-names: required elements: "isi_clk". 11*4882a593Smuzhiyun- pinctrl-names, pinctrl-0: please refer to pinctrl-bindings.txt. 12*4882a593Smuzhiyun 13*4882a593SmuzhiyunISI supports a single port node with parallel bus. It shall contain one 14*4882a593Smuzhiyun'port' child node with child 'endpoint' node. Please refer to the bindings 15*4882a593Smuzhiyundefined in Documentation/devicetree/bindings/media/video-interfaces.txt. 16*4882a593Smuzhiyun 17*4882a593SmuzhiyunEndpoint node properties 18*4882a593Smuzhiyun------------------------ 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun- bus-width: <8> or <10> (mandatory) 21*4882a593Smuzhiyun- hsync-active (default: active high) 22*4882a593Smuzhiyun- vsync-active (default: active high) 23*4882a593Smuzhiyun- pclk-sample (default: sample on falling edge) 24*4882a593Smuzhiyun- remote-endpoint: A phandle to the bus receiver's endpoint node (mandatory). 25*4882a593Smuzhiyun 26*4882a593SmuzhiyunExample: 27*4882a593Smuzhiyun 28*4882a593Smuzhiyunisi: isi@f0034000 { 29*4882a593Smuzhiyun compatible = "atmel,at91sam9g45-isi"; 30*4882a593Smuzhiyun reg = <0xf0034000 0x4000>; 31*4882a593Smuzhiyun interrupts = <37 IRQ_TYPE_LEVEL_HIGH 5>; 32*4882a593Smuzhiyun pinctrl-names = "default"; 33*4882a593Smuzhiyun pinctrl-0 = <&pinctrl_isi_data_0_7>; 34*4882a593Smuzhiyun clocks = <&isi_clk>; 35*4882a593Smuzhiyun clock-names = "isi_clk"; 36*4882a593Smuzhiyun port { 37*4882a593Smuzhiyun isi_0: endpoint { 38*4882a593Smuzhiyun remote-endpoint = <&ov2640_0>; 39*4882a593Smuzhiyun bus-width = <8>; 40*4882a593Smuzhiyun vsync-active = <1>; 41*4882a593Smuzhiyun hsync-active = <1>; 42*4882a593Smuzhiyun }; 43*4882a593Smuzhiyun }; 44*4882a593Smuzhiyun}; 45*4882a593Smuzhiyun 46*4882a593Smuzhiyuni2c1: i2c@f0018000 { 47*4882a593Smuzhiyun ov2640: camera@30 { 48*4882a593Smuzhiyun compatible = "ovti,ov2640"; 49*4882a593Smuzhiyun reg = <0x30>; 50*4882a593Smuzhiyun pinctrl-names = "default"; 51*4882a593Smuzhiyun pinctrl-0 = <&pinctrl_pck0_as_isi_mck &pinctrl_sensor_power &pinctrl_sensor_reset>; 52*4882a593Smuzhiyun resetb-gpios = <&pioE 11 GPIO_ACTIVE_LOW>; 53*4882a593Smuzhiyun pwdn-gpios = <&pioE 13 GPIO_ACTIVE_HIGH>; 54*4882a593Smuzhiyun clocks = <&pck0>; 55*4882a593Smuzhiyun clock-names = "xvclk"; 56*4882a593Smuzhiyun assigned-clocks = <&pck0>; 57*4882a593Smuzhiyun assigned-clock-rates = <25000000>; 58*4882a593Smuzhiyun 59*4882a593Smuzhiyun port { 60*4882a593Smuzhiyun ov2640_0: endpoint { 61*4882a593Smuzhiyun remote-endpoint = <&isi_0>; 62*4882a593Smuzhiyun bus-width = <8>; 63*4882a593Smuzhiyun }; 64*4882a593Smuzhiyun }; 65*4882a593Smuzhiyun }; 66*4882a593Smuzhiyun}; 67