// 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