100e4b197SAnatolij GustschinIFM camera sensor interface on mpc5200 LocalPlus bus 200e4b197SAnatolij Gustschin 300e4b197SAnatolij GustschinRequired properties: 400e4b197SAnatolij Gustschin- compatible: "ifm,o2d-csi" 500e4b197SAnatolij Gustschin- reg: specifies sensor chip select number and associated address range 600e4b197SAnatolij Gustschin- interrupts: external interrupt line number and interrupt sense mode 700e4b197SAnatolij Gustschin of the interrupt line signaling frame valid events 800e4b197SAnatolij Gustschin- gpios: three gpio-specifiers for "capture", "reset" and "master enable" 900e4b197SAnatolij Gustschin GPIOs (strictly in this order). 1000e4b197SAnatolij Gustschin- ifm,csi-clk-handle: the phandle to a node in the DT describing the sensor 1100e4b197SAnatolij Gustschin clock generator. This node is usually a general purpose timer controller. 1200e4b197SAnatolij Gustschin- ifm,csi-addr-bus-width: address bus width (valid values are 16, 24, 25) 1300e4b197SAnatolij Gustschin- ifm,csi-data-bus-width: data bus width (valid values are 8 and 16) 1400e4b197SAnatolij Gustschin- ifm,csi-wait-cycles: sensor bus wait cycles 1500e4b197SAnatolij Gustschin 1600e4b197SAnatolij GustschinOptional properties: 1700e4b197SAnatolij Gustschin- ifm,csi-byte-swap: if this property is present, the byte swapping on 1800e4b197SAnatolij Gustschin the bus will be enabled. 1900e4b197SAnatolij Gustschin 2000e4b197SAnatolij GustschinExample: 2100e4b197SAnatolij Gustschin 2200e4b197SAnatolij Gustschin csi@3,0 { 2300e4b197SAnatolij Gustschin compatible = "ifm,o2d-csi"; 2400e4b197SAnatolij Gustschin reg = <3 0 0x00100000>; /* CS 3, 1 MiB range */ 2500e4b197SAnatolij Gustschin interrupts = <1 1 2>; /* IRQ1, edge falling */ 2600e4b197SAnatolij Gustschin 2700e4b197SAnatolij Gustschin ifm,csi-clk-handle = <&timer7>; 2800e4b197SAnatolij Gustschin gpios = <&gpio_simple 23 0 /* image_capture */ 2900e4b197SAnatolij Gustschin &gpio_simple 26 0 /* image_reset */ 3000e4b197SAnatolij Gustschin &gpio_simple 29 0>; /* image_master_en */ 3100e4b197SAnatolij Gustschin 3200e4b197SAnatolij Gustschin ifm,csi-addr-bus-width = <24>; 3300e4b197SAnatolij Gustschin ifm,csi-data-bus-width = <8>; 3400e4b197SAnatolij Gustschin ifm,csi-wait-cycles = <0>; 3500e4b197SAnatolij Gustschin }; 3600e4b197SAnatolij Gustschin 3700e4b197SAnatolij GustschinThe base address of the used chip select is specified in the 3800e4b197SAnatolij Gustschinranges property of the parent localbus node, for example: 3900e4b197SAnatolij Gustschin 4000e4b197SAnatolij Gustschin ranges = <0 0 0xff000000 0x01000000 4100e4b197SAnatolij Gustschin 3 0 0xe3000000 0x00100000>; 42