diff options
Diffstat (limited to 'board/freescale/common/i2c_common.c')
-rw-r--r-- | board/freescale/common/i2c_common.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/board/freescale/common/i2c_common.c b/board/freescale/common/i2c_common.c new file mode 100644 index 0000000000..0f09ed7d34 --- /dev/null +++ b/board/freescale/common/i2c_common.c @@ -0,0 +1,34 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2014 Freescale Semiconductor, Inc. + * Copyright 2020-21 NXP + * Copyright 2021 Microsoft Corporation + */ + +#include <common.h> +#include <i2c.h> +#include "i2c_common.h" + +#ifdef CONFIG_DM_I2C + +/* If DM is in use, retrieve the chip for the specified bus number */ +int fsl_i2c_get_device(int address, int bus, DEVICE_HANDLE_T *dev) +{ + int ret = i2c_get_chip_for_busnum(bus, address, 1, dev); + + if (ret) + printf("I2C: Bus %d has no device with address 0x%02X\n", + bus, address); + return ret; +} + +#else + +/* Handle is passed directly */ +int fsl_i2c_get_device(int address, int bus, DEVICE_HANDLE_T *dev) +{ + *dev = address; + return 0; +} + +#endif |