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