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Add bindings documentation for Altera SOCFPGA bridges: * fpga2sdram * fpga2hps * hps2fpga * lwhps2fpga Signed-off-by: Alan Tull <atull@opensource.altera.com> Signed-off-by: Matthew Gerlach <mgerlach@altera.com> Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Rob Herring <robh@kernel.org>
17 lines
456 B
Plaintext
17 lines
456 B
Plaintext
Altera FPGA To SDRAM Bridge Driver
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Required properties:
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- compatible : Should contain "altr,socfpga-fpga2sdram-bridge"
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Optional properties:
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- bridge-enable : 0 if driver should disable bridge at startup
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1 if driver should enable bridge at startup
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Default is to leave bridge in current state.
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Example:
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fpga_bridge3: fpga-bridge@ffc25080 {
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compatible = "altr,socfpga-fpga2sdram-bridge";
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reg = <0xffc25080 0x4>;
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bridge-enable = <0>;
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};
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