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// 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"
#include "i2c_mux.h"
/*
* A new Kconfig option for something that used to always be built should be
* “default y”.
*/
#ifdef CONFIG_FSL_USE_PCA9547_MUX
int select_i2c_ch_pca9547(u8 ch, int bus)
{
int ret;
DEVICE_HANDLE_T dev;
/* Open device handle */
ret = fsl_i2c_get_device(I2C_MUX_PCA_ADDR_PRI, bus, &dev);
if (ret) {
printf("PCA: No PCA9547 device found\n");
return ret;
}
ret = I2C_WRITE(dev, 0, &ch, sizeof(ch));
if (ret) {
printf("PCA: Unable to select channel %d (%d)\n", (int)ch, ret);
return ret;
}
return 0;
}
#endif
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