1*83d290c5STom Rini // SPDX-License-Identifier: GPL-2.0 209f455dcSMasahiro Yamada /* 309f455dcSMasahiro Yamada * Copyright (c) 2010-2013, NVIDIA CORPORATION. All rights reserved. 409f455dcSMasahiro Yamada */ 509f455dcSMasahiro Yamada 609f455dcSMasahiro Yamada /* Tegra114 high-level function multiplexing */ 709f455dcSMasahiro Yamada 809f455dcSMasahiro Yamada #include <common.h> 909f455dcSMasahiro Yamada #include <asm/arch/clock.h> 1009f455dcSMasahiro Yamada #include <asm/arch/funcmux.h> 1109f455dcSMasahiro Yamada #include <asm/arch/pinmux.h> 1209f455dcSMasahiro Yamada 1309f455dcSMasahiro Yamada int funcmux_select(enum periph_id id, int config) 1409f455dcSMasahiro Yamada { 1509f455dcSMasahiro Yamada int bad_config = config != FUNCMUX_DEFAULT; 1609f455dcSMasahiro Yamada 1709f455dcSMasahiro Yamada switch (id) { 1809f455dcSMasahiro Yamada case PERIPH_ID_UART4: 1909f455dcSMasahiro Yamada switch (config) { 2009f455dcSMasahiro Yamada case FUNCMUX_UART4_GMI: 2109f455dcSMasahiro Yamada pinmux_set_func(PMUX_PINGRP_GMI_A16_PJ7, 2209f455dcSMasahiro Yamada PMUX_FUNC_UARTD); 2309f455dcSMasahiro Yamada pinmux_set_func(PMUX_PINGRP_GMI_A17_PB0, 2409f455dcSMasahiro Yamada PMUX_FUNC_UARTD); 2509f455dcSMasahiro Yamada pinmux_set_func(PMUX_PINGRP_GMI_A18_PB1, 2609f455dcSMasahiro Yamada PMUX_FUNC_UARTD); 2709f455dcSMasahiro Yamada pinmux_set_func(PMUX_PINGRP_GMI_A19_PK7, 2809f455dcSMasahiro Yamada PMUX_FUNC_UARTD); 2909f455dcSMasahiro Yamada 3009f455dcSMasahiro Yamada pinmux_set_io(PMUX_PINGRP_GMI_A16_PJ7, PMUX_PIN_OUTPUT); 3109f455dcSMasahiro Yamada pinmux_set_io(PMUX_PINGRP_GMI_A17_PB0, PMUX_PIN_INPUT); 3209f455dcSMasahiro Yamada pinmux_set_io(PMUX_PINGRP_GMI_A18_PB1, PMUX_PIN_INPUT); 3309f455dcSMasahiro Yamada pinmux_set_io(PMUX_PINGRP_GMI_A19_PK7, PMUX_PIN_OUTPUT); 3409f455dcSMasahiro Yamada 3509f455dcSMasahiro Yamada pinmux_tristate_disable(PMUX_PINGRP_GMI_A16_PJ7); 3609f455dcSMasahiro Yamada pinmux_tristate_disable(PMUX_PINGRP_GMI_A17_PB0); 3709f455dcSMasahiro Yamada pinmux_tristate_disable(PMUX_PINGRP_GMI_A18_PB1); 3809f455dcSMasahiro Yamada pinmux_tristate_disable(PMUX_PINGRP_GMI_A19_PK7); 3909f455dcSMasahiro Yamada break; 4009f455dcSMasahiro Yamada } 4109f455dcSMasahiro Yamada break; 4209f455dcSMasahiro Yamada 4309f455dcSMasahiro Yamada /* Add other periph IDs here as needed */ 4409f455dcSMasahiro Yamada 4509f455dcSMasahiro Yamada default: 4609f455dcSMasahiro Yamada debug("%s: invalid periph_id %d", __func__, id); 4709f455dcSMasahiro Yamada return -1; 4809f455dcSMasahiro Yamada } 4909f455dcSMasahiro Yamada 5009f455dcSMasahiro Yamada if (bad_config) { 5109f455dcSMasahiro Yamada debug("%s: invalid config %d for periph_id %d", __func__, 5209f455dcSMasahiro Yamada config, id); 5309f455dcSMasahiro Yamada return -1; 5409f455dcSMasahiro Yamada } 5509f455dcSMasahiro Yamada return 0; 5609f455dcSMasahiro Yamada } 57