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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>
35 lines
696 B
C
35 lines
696 B
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright 2014 Freescale Semiconductor, Inc.
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* Copyright 2020-21 NXP
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* Copyright 2021 Microsoft Corporation
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*/
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#include <common.h>
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#include <i2c.h>
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#include "i2c_common.h"
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#ifdef CONFIG_DM_I2C
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/* If DM is in use, retrieve the chip for the specified bus number */
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int fsl_i2c_get_device(int address, int bus, DEVICE_HANDLE_T *dev)
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{
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int ret = i2c_get_chip_for_busnum(bus, address, 1, dev);
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if (ret)
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printf("I2C: Bus %d has no device with address 0x%02X\n",
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bus, address);
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return ret;
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}
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#else
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/* Handle is passed directly */
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int fsl_i2c_get_device(int address, int bus, DEVICE_HANDLE_T *dev)
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{
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*dev = address;
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return 0;
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}
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#endif
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