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 <log.h>
11 #include <asm/arch/clock.h>
12 #include <asm/arch/funcmux.h>
13 #include <asm/arch/pinmux.h>
14 
funcmux_select(enum periph_id id,int config)15 int funcmux_select(enum periph_id id, int config)
16 {
17 	int bad_config = config != FUNCMUX_DEFAULT;
18 
19 	switch (id) {
20 	/*
21 	 * Add other periph IDs here as needed.
22 	 * Note that all pinmux/pads should have already
23 	 * been set up in the board pinmux table in
24 	 * pinmux-config-<board>.h for all periphs.
25 	 * Leave this in for the odd case where a mux
26 	 * needs to be changed on-the-fly.
27 	 */
28 
29 	default:
30 		debug("%s: invalid periph_id %d", __func__, id);
31 		return -1;
32 	}
33 
34 	if (bad_config) {
35 		debug("%s: invalid config %d for periph_id %d", __func__,
36 		      config, id);
37 		return -1;
38 	}
39 	return 0;
40 }
41