Required properties for ISI:
- compatible: must be "atmel,at91sam9g45-isi" or "microchip,sam9x60-isi".
- reg: physical base address and length of the registers set for the device.
- interrupts: should contain IRQ line for the ISI.
- clocks: list of clock specifiers, corresponding to entries in the clock-names
property; please refer to clock-bindings.txt.
- clock-names: required elements: "isi_clk".
- pinctrl-names, pinctrl-0: please refer to pinctrl-bindings.txt.
ISI supports a single port node with parallel bus. It shall contain one
'port' child node with child 'endpoint' node. Please refer to the bindings
defined in Documentation/devicetree/bindings/media/video-interfaces.txt.
Endpoint node properties
------------------------
- bus-width: <8> or <10> (mandatory)
- hsync-active (default: active high)
- vsync-active (default: active high)
- pclk-sample (default: sample on falling edge)
- remote-endpoint: A phandle to the bus receiver's endpoint node (mandatory).
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