| Patrick Georgi | 7051707 | 2020-05-10 18:47:05 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: BSD-3-Clause */ |
| Varadarajan Narayanan | a6935c2 | 2016-03-02 16:57:10 +0530 | [diff] [blame] | 2 | |
| Kyösti Mälkki | 13f6650 | 2019-03-03 08:01:05 +0200 | [diff] [blame] | 3 | #include <device/mmio.h> |
| Varadarajan Narayanan | 2596764 | 2016-03-08 15:02:56 +0530 | [diff] [blame] | 4 | #include <soc/blsp.h> |
| 5 | #include <soc/clock.h> |
| Varadarajan Narayanan | a6935c2 | 2016-03-02 16:57:10 +0530 | [diff] [blame] | 6 | |
| Varadarajan Narayanan | 2596764 | 2016-03-08 15:02:56 +0530 | [diff] [blame] | 7 | blsp_return_t blsp_i2c_init(blsp_qup_id_t id) |
| 8 | { |
| 9 | void *base = blsp_qup_base(id); |
| Varadarajan Narayanan | a6935c2 | 2016-03-02 16:57:10 +0530 | [diff] [blame] | 10 | |
| Varadarajan Narayanan | 2596764 | 2016-03-08 15:02:56 +0530 | [diff] [blame] | 11 | if (!base) |
| 12 | return BLSP_ID_ERROR; |
| Varadarajan Narayanan | a6935c2 | 2016-03-02 16:57:10 +0530 | [diff] [blame] | 13 | |
| Varadarajan Narayanan | 2596764 | 2016-03-08 15:02:56 +0530 | [diff] [blame] | 14 | if (blsp_i2c_clock_config(id) != 0) |
| 15 | return BLSP_ID_ERROR; |
| Varadarajan Narayanan | a6935c2 | 2016-03-02 16:57:10 +0530 | [diff] [blame] | 16 | |
| Varadarajan Narayanan | 2596764 | 2016-03-08 15:02:56 +0530 | [diff] [blame] | 17 | if (blsp_i2c_init_board(id)) |
| 18 | return BLSP_UNSUPPORTED; |
| Varadarajan Narayanan | a6935c2 | 2016-03-02 16:57:10 +0530 | [diff] [blame] | 19 | |
| Varadarajan Narayanan | 2596764 | 2016-03-08 15:02:56 +0530 | [diff] [blame] | 20 | /* Configure Mini core to I2C core */ |
| Julius Werner | 55009af | 2019-12-02 22:03:27 -0800 | [diff] [blame] | 21 | clrsetbits32(base, BLSP_MINI_CORE_MASK, BLSP_MINI_CORE_I2C); |
| Varadarajan Narayanan | a6935c2 | 2016-03-02 16:57:10 +0530 | [diff] [blame] | 22 | |
| Varadarajan Narayanan | 2596764 | 2016-03-08 15:02:56 +0530 | [diff] [blame] | 23 | return BLSP_SUCCESS; |
| 24 | } |