diff options
Diffstat (limited to 'include/linux/tegra_uart.h')
| -rw-r--r-- | include/linux/tegra_uart.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/include/linux/tegra_uart.h b/include/linux/tegra_uart.h new file mode 100644 index 000000000000..3d35e217cbca --- /dev/null +++ b/include/linux/tegra_uart.h @@ -0,0 +1,43 @@ +/* include/linux/tegra_uart.h + * + * Copyright (C) 2011 NVIDIA Corporation + * + * 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; either version 2 of the License, or + * (at your option) any later version. + * + * 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 Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#ifndef _TEGRA_UART_H_ +#define _TEGRA_UART_H_ + +#include <linux/clk.h> + +struct uart_clk_parent { + const char *name; + struct clk *parent_clk; + unsigned long fixed_clk_rate; +}; + +struct tegra_uart_platform_data { + void (*wake_peer)(struct uart_port *); + struct uart_clk_parent *parent_clk_list; + int parent_clk_count; +}; + +int tegra_uart_is_tx_empty(struct uart_port *); +void tegra_uart_request_clock_on(struct uart_port *); +void tegra_uart_set_mctrl(struct uart_port *, unsigned int); +void tegra_uart_request_clock_off(struct uart_port *uport); + +#endif /* _TEGRA_UART_H_ */ + |