diff options
| author | Minda Chen <minda.chen@starfivetech.com> | 2023-03-09 09:19:58 +0300 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2023-03-09 18:30:57 +0300 |
| commit | e9d08bd99cc702fcec1c5b59b593781da668e2bc (patch) | |
| tree | 8b1b2cf40e976b79274f85860d8aced45836726e /include | |
| parent | 4b28afc98bbe406e3ad6f4a97d0fe96a882e83a1 (diff) | |
| download | opensbi-e9d08bd99cc702fcec1c5b59b593781da668e2bc.tar.xz | |
lib: utils/i2c: Add minimal StarFive jh7110 I2C driver
Starfive JH7110 I2C IP is synopsys designware.
Minimum StarFIve I2C driver to read/send bytes over I2C bus.
This allows querying information and perform operation of onboard PMIC,
as well as power-off and reset.
Signed-off-by: Minda Chen <minda.chen@starfivetech.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/sbi_utils/i2c/dw_i2c.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/include/sbi_utils/i2c/dw_i2c.h b/include/sbi_utils/i2c/dw_i2c.h new file mode 100644 index 0000000..88703e0 --- /dev/null +++ b/include/sbi_utils/i2c/dw_i2c.h @@ -0,0 +1,21 @@ +/* + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2022 StarFive Technology Co., Ltd. + * + * Author: Minda Chen <minda.chen@starfivetech.com> + */ + +#ifndef __DW_I2C_H__ +#define __DW_I2C_H__ + +#include <sbi_utils/i2c/i2c.h> + +int dw_i2c_init(struct i2c_adapter *, int nodeoff); + +struct dw_i2c_adapter { + unsigned long addr; + struct i2c_adapter adapter; +}; + +#endif |