mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-08 14:14:32 +00:00
15347d2dea
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>
34 lines
696 B
C
34 lines
696 B
C
// 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
|