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69 lines
1.9 KiB
Plaintext
69 lines
1.9 KiB
Plaintext
* Atmel HW cryptographic accelerators
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These are the HW cryptographic accelerators found on some Atmel products.
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* Advanced Encryption Standard (AES)
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Required properties:
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- compatible : Should be "atmel,at91sam9g46-aes".
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- reg: Should contain AES registers location and length.
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- interrupts: Should contain the IRQ line for the AES.
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- dmas: List of two DMA specifiers as described in
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atmel-dma.txt and dma.txt files.
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- dma-names: Contains one identifier string for each DMA specifier
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in the dmas property.
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Example:
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aes@f8038000 {
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compatible = "atmel,at91sam9g46-aes";
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reg = <0xf8038000 0x100>;
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interrupts = <43 4 0>;
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dmas = <&dma1 2 18>,
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<&dma1 2 19>;
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dma-names = "tx", "rx";
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* Triple Data Encryption Standard (Triple DES)
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Required properties:
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- compatible : Should be "atmel,at91sam9g46-tdes".
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- reg: Should contain TDES registers location and length.
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- interrupts: Should contain the IRQ line for the TDES.
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Optional properties:
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- dmas: List of two DMA specifiers as described in
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atmel-dma.txt and dma.txt files.
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- dma-names: Contains one identifier string for each DMA specifier
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in the dmas property.
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Example:
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tdes@f803c000 {
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compatible = "atmel,at91sam9g46-tdes";
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reg = <0xf803c000 0x100>;
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interrupts = <44 4 0>;
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dmas = <&dma1 2 20>,
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<&dma1 2 21>;
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dma-names = "tx", "rx";
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};
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* Secure Hash Algorithm (SHA)
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Required properties:
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- compatible : Should be "atmel,at91sam9g46-sha".
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- reg: Should contain SHA registers location and length.
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- interrupts: Should contain the IRQ line for the SHA.
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Optional properties:
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- dmas: One DMA specifiers as described in
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atmel-dma.txt and dma.txt files.
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- dma-names: Contains one identifier string for each DMA specifier
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in the dmas property. Only one "tx" string needed.
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Example:
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sha@f8034000 {
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compatible = "atmel,at91sam9g46-sha";
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reg = <0xf8034000 0x100>;
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interrupts = <42 4 0>;
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dmas = <&dma1 2 17>;
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dma-names = "tx";
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};
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