diff options
Diffstat (limited to 'include/linux/platform_data/mlxcpld.h')
| -rw-r--r-- | include/linux/platform_data/mlxcpld.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/include/linux/platform_data/mlxcpld.h b/include/linux/platform_data/mlxcpld.h new file mode 100644 index 000000000000..d7610b528856 --- /dev/null +++ b/include/linux/platform_data/mlxcpld.h @@ -0,0 +1,31 @@ +/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */ +/* + * Mellanox I2C multiplexer support in CPLD + * + * Copyright (C) 2016-2020 Mellanox Technologies + */ + +#ifndef _LINUX_I2C_MLXCPLD_H +#define _LINUX_I2C_MLXCPLD_H + +/* Platform data for the CPLD I2C multiplexers */ + +/* mlxcpld_mux_plat_data - per mux data, used with i2c_register_board_info + * @chan_ids - channels array + * @num_adaps - number of adapters + * @sel_reg_addr - mux select register offset in CPLD space + * @reg_size: register size in bytes + * @handle: handle to be passed by callback + * @completion_notify: callback to notify when all the adapters are created + */ +struct mlxcpld_mux_plat_data { + int *chan_ids; + int num_adaps; + int sel_reg_addr; + u8 reg_size; + void *handle; + int (*completion_notify)(void *handle, struct i2c_adapter *parent, + struct i2c_adapter *adapters[]); +}; + +#endif /* _LINUX_I2C_MLXCPLD_H */ |