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| author | Stephen Carlson <stcarlso@linux.microsoft.com> | 2021-06-23 02:35:20 +0300 |
|---|---|---|
| committer | Priyanka Jain <priyanka.jain@nxp.com> | 2021-07-20 11:48:04 +0300 |
| commit | 15347d2dea32d88e9d1553e26b7eb3553550f424 (patch) | |
| tree | b48dd2886cd363b78e13d67553990a9db584e56d /board/freescale/common/i2c_common.h | |
| parent | dd3dfa50d88cffeb244485594a7bf18c58ae6d63 (diff) | |
| download | u-boot-15347d2dea32d88e9d1553e26b7eb3553550f424.tar.xz | |
board: freescale: Refactor NXP common mux code
Refactors similar mux code from multiple NXP boards into a common location,
and allows it to be disabled in config.
New config: CONFIG_FSL_USE_PCA9547_MUX to enable PCA9547 mux functionality.
Signed-off-by: Stephen Carlson <stcarlso@linux.microsoft.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
Diffstat (limited to 'board/freescale/common/i2c_common.h')
| -rw-r--r-- | board/freescale/common/i2c_common.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/board/freescale/common/i2c_common.h b/board/freescale/common/i2c_common.h new file mode 100644 index 0000000000..840ad66183 --- /dev/null +++ b/board/freescale/common/i2c_common.h @@ -0,0 +1,30 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright 2014 Freescale Semiconductor, Inc. + * Copyright 2020-21 NXP + * Copyright 2021 Microsoft Corporation + */ + +#ifndef __NXP_I2C_COMMON_H__ +#define __NXP_I2C_COMMON_H__ + +/* Common functionality shared by the I2C drivers for VID and the mux. */ +#ifdef CONFIG_DM_I2C +#define DEVICE_HANDLE_T struct udevice * + +#define I2C_READ(dev, register, data, length) \ + dm_i2c_read(dev, register, data, length) +#define I2C_WRITE(dev, register, data, length) \ + dm_i2c_write(dev, register, data, length) +#else +#define DEVICE_HANDLE_T int + +#define I2C_READ(dev, register, data, length) \ + i2c_read(dev, register, 1, data, length) +#define I2C_WRITE(dev, register, data, length) \ + i2c_write(dev, register, 1, data, length) +#endif + +int fsl_i2c_get_device(int address, int bus, DEVICE_HANDLE_T *dev); + +#endif |