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- /* SPDX-License-Identifier: GPL-2.0 */
- /*
- * Copyright (c) 2010-2012, NVIDIA CORPORATION. All rights reserved.
- */
- /* Tegra high-level function multiplexing */
- #ifndef _TEGRA_FUNCMUX_H_
- #define _TEGRA_FUNCMUX_H_
- /**
- * Select a config for a particular peripheral.
- *
- * Each peripheral can operate through a number of configurations,
- * which are sets of pins that it uses to bring out its signals.
- * The basic config is 0, and higher numbers indicate different
- * pinmux settings to bring the peripheral out on other pins,
- *
- * This function also disables tristate for the function's pins,
- * so that they operate in normal mode.
- *
- * @param id Peripheral id
- * @param config Configuration to use (FUNCMUX_...), 0 for default
- * Return: 0 if ok, -1 on error (e.g. incorrect id or config)
- */
- int funcmux_select(enum periph_id id, int config);
- #endif /* _TEGRA_FUNCMUX_H_ */
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