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Diffstat (limited to 'src/soc/nvidia/tegra/pinmux.h')
-rw-r--r-- | src/soc/nvidia/tegra/pinmux.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/soc/nvidia/tegra/pinmux.h b/src/soc/nvidia/tegra/pinmux.h new file mode 100644 index 0000000000..e42135d9a4 --- /dev/null +++ b/src/soc/nvidia/tegra/pinmux.h @@ -0,0 +1,44 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2013 Google Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef __SOC_NVIDIA_TEGRA_PINMUX_H__ +#define __SOC_NVIDIA_TEGRA_PINMUX_H__ + +#include <stdint.h> + +void pinmux_set_config(int pin_index, uint32_t config); +uint32_t pinmux_get_config(int pin_index); + +enum { + PINMUX_FUNC_MASK = 3 << 0, + + PINMUX_PULL_MASK = 3 << 2, + PINMUX_PULL_NONE = 0 << 2, + PINMUX_PULL_DOWN = 1 << 2, + PINMUX_PULL_UP = 2 << 2, + + PINMUX_TRISTATE = 1 << 4, + PINMUX_INPUT_ENABLE = 1 << 5, + PINMUX_OPEN_DRAIN = 1 << 6, + PINMUX_LOCK = 1 << 7, + PINMUX_IO_RESET = 1 << 8, + PINMUX_RCV_SEL = 1 << 9 +}; + +#endif /* __SOC_NVIDIA_TEGRA_PINMUX_H__ */ |