| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | Imagination Technologies hardware hash accelerator |
| 2 | |
| 3 | The hash accelerator provides hardware hashing acceleration for |
| 4 | SHA1, SHA224, SHA256 and MD5 hashes |
| 5 | |
| 6 | Required properties: |
| 7 | |
| 8 | - compatible : "img,hash-accelerator" |
| 9 | - reg : Offset and length of the register set for the module, and the DMA port |
| 10 | - interrupts : The designated IRQ line for the hashing module. |
| 11 | - dmas : DMA specifier as per Documentation/devicetree/bindings/dma/dma.txt |
| 12 | - dma-names : Should be "tx" |
| 13 | - clocks : Clock specifiers |
| 14 | - clock-names : "sys" Used to clock the hash block registers |
| 15 | "hash" Used to clock data through the accelerator |
| 16 | |
| 17 | Example: |
| 18 | |
| 19 | hash: hash@18149600 { |
| 20 | compatible = "img,hash-accelerator"; |
| 21 | reg = <0x18149600 0x100>, <0x18101100 0x4>; |
| 22 | interrupts = <GIC_SHARED 59 IRQ_TYPE_LEVEL_HIGH>; |
| 23 | dmas = <&dma 8 0xffffffff 0>; |
| 24 | dma-names = "tx"; |
| 25 | clocks = <&cr_periph SYS_CLK_HASH>, <&clk_periph PERIPH_CLK_ROM>; |
| 26 | clock-names = "sys", "hash"; |
| 27 | }; |