/* * Copyright (c) 2010-2012, NVIDIA CORPORATION. All rights reserved. * * SPDX-License-Identifier: GPL-2.0 */ /* Tegra30 high-level function multiplexing */ #include #include #include #include int funcmux_select(enum periph_id id, int config) { int bad_config = config != FUNCMUX_DEFAULT; switch (id) { case PERIPH_ID_UART1: switch (config) { case FUNCMUX_UART1_ULPI: pinmux_set_func(PMUX_PINGRP_ULPI_DATA0_PO1, PMUX_FUNC_UARTA); pinmux_set_func(PMUX_PINGRP_ULPI_DATA1_PO2, PMUX_FUNC_UARTA); pinmux_set_func(PMUX_PINGRP_ULPI_DATA2_PO3, PMUX_FUNC_UARTA); pinmux_set_func(PMUX_PINGRP_ULPI_DATA3_PO4, PMUX_FUNC_UARTA); pinmux_tristate_disable(PMUX_PINGRP_ULPI_DATA0_PO1); pinmux_tristate_disable(PMUX_PINGRP_ULPI_DATA1_PO2); pinmux_tristate_disable(PMUX_PINGRP_ULPI_DATA2_PO3); pinmux_tristate_disable(PMUX_PINGRP_ULPI_DATA3_PO4); break; } break; /* Add other periph IDs here as needed */ default: debug("%s: invalid periph_id %d", __func__, id); return -1; } if (bad_config) { debug("%s: invalid config %d for periph_id %d", __func__, config, id); return -1; } return 0; }