| HWRNG support for the timeriomem_rng driver |
| |
| Required properties: |
| - compatible : "timeriomem_rng" |
| - reg : base address to sample from |
| - period : wait time in microseconds to use between samples |
| |
| Optional properties: |
| - quality : estimated number of bits of true entropy per 1024 bits read from the |
| rng. Defaults to zero which causes the kernel's default quality to |
| be used instead. Note that the default quality is usually zero |
| which disables using this rng to automatically fill the kernel's |
| entropy pool. |
| |
| N.B. currently 'reg' must be at least four bytes wide and 32-bit aligned |
| |
| Example: |
| |
| hwrng@44 { |
| #address-cells = <1>; |
| #size-cells = <1>; |
| compatible = "timeriomem_rng"; |
| reg = <0x44 0x04>; |
| period = <1000000>; |
| }; |
