| Sughosh Ganu | e67ffb5 | 2022-07-22 21:32:04 +0530 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
| 2 | /* |
| 3 | * Copyright (c) 2022, Linaro Limited |
| 4 | */ |
| 5 | |
| 6 | #include <dm.h> |
| 7 | #include <rng.h> |
| 8 | #include <tpm_api.h> |
| 9 | |
| 10 | static int rng_tpm_random_read(struct udevice *dev, void *data, size_t count) |
| 11 | { |
| 12 | return tpm_get_random(dev_get_parent(dev), data, count); |
| 13 | } |
| 14 | |
| 15 | static const struct dm_rng_ops tpm_rng_ops = { |
| 16 | .read = rng_tpm_random_read, |
| 17 | }; |
| 18 | |
| 19 | U_BOOT_DRIVER(tpm_rng) = { |
| 20 | .name = "tpm-rng", |
| 21 | .id = UCLASS_RNG, |
| 22 | .ops = &tpm_rng_ops, |
| 23 | }; |