1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * (C) Copyright 2013-2015 4 * NVIDIA Corporation <www.nvidia.com> 5 */ 6 7 /* Tegra210 high-level function multiplexing */ 8 9 #include <common.h> 10 #include <asm/arch/clock.h> 11 #include <asm/arch/funcmux.h> 12 #include <asm/arch/pinmux.h> 13 14 int funcmux_select(enum periph_id id, int config) 15 { 16 int bad_config = config != FUNCMUX_DEFAULT; 17 18 switch (id) { 19 /* 20 * Add other periph IDs here as needed. 21 * Note that all pinmux/pads should have already 22 * been set up in the board pinmux table in 23 * pinmux-config-<board>.h for all periphs. 24 * Leave this in for the odd case where a mux 25 * needs to be changed on-the-fly. 26 */ 27 28 default: 29 debug("%s: invalid periph_id %d", __func__, id); 30 return -1; 31 } 32 33 if (bad_config) { 34 debug("%s: invalid config %d for periph_id %d", __func__, 35 config, id); 36 return -1; 37 } 38 return 0; 39 } 40
