diff options
Diffstat (limited to 'arch/arm/include/asm/arch-tegra20')
-rw-r--r-- | arch/arm/include/asm/arch-tegra20/tegra20_sflash.h | 41 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-tegra20/tegra20_slink.h | 41 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-tegra20/uart-spi-switch.h | 46 |
3 files changed, 82 insertions, 46 deletions
diff --git a/arch/arm/include/asm/arch-tegra20/tegra20_sflash.h b/arch/arm/include/asm/arch-tegra20/tegra20_sflash.h new file mode 100644 index 0000000..e8cc68c --- /dev/null +++ b/arch/arm/include/asm/arch-tegra20/tegra20_sflash.h @@ -0,0 +1,41 @@ +/* + * NVIDIA Tegra20 SPI-FLASH controller + * + * Copyright 2010-2012 NVIDIA Corporation + * + * This software may be used and distributed according to the + * terms of the GNU Public License, Version 2, incorporated + * herein by reference. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * Version 2 as published by the Free Software Foundation. + * + * 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., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef _TEGRA20_SPI_H_ +#define _TEGRA20_SPI_H_ + +#include <asm/types.h> + +int tegra20_spi_cs_is_valid(unsigned int bus, unsigned int cs); +struct spi_slave *tegra20_spi_setup_slave(unsigned int bus, unsigned int cs, + unsigned int max_hz, unsigned int mode); +void tegra20_spi_free_slave(struct spi_slave *slave); +int tegra20_spi_init(int *node_list, int count); +int tegra20_spi_claim_bus(struct spi_slave *slave); +void tegra20_spi_cs_activate(struct spi_slave *slave); +void tegra20_spi_cs_deactivate(struct spi_slave *slave); +int tegra20_spi_xfer(struct spi_slave *slave, unsigned int bitlen, + const void *data_out, void *data_in, unsigned long flags); + +#endif /* _TEGRA20_SPI_H_ */ diff --git a/arch/arm/include/asm/arch-tegra20/tegra20_slink.h b/arch/arm/include/asm/arch-tegra20/tegra20_slink.h new file mode 100644 index 0000000..5aa74dd --- /dev/null +++ b/arch/arm/include/asm/arch-tegra20/tegra20_slink.h @@ -0,0 +1,41 @@ +/* + * NVIDIA Tegra SPI-SLINK controller + * + * Copyright 2010-2013 NVIDIA Corporation + * + * This software may be used and distributed according to the + * terms of the GNU Public License, Version 2, incorporated + * herein by reference. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * Version 2 as published by the Free Software Foundation. + * + * 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., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef _TEGRA30_SPI_H_ +#define _TEGRA30_SPI_H_ + +#include <asm/types.h> + +int tegra30_spi_init(int *node_list, int count); +int tegra30_spi_cs_is_valid(unsigned int bus, unsigned int cs); +struct spi_slave *tegra30_spi_setup_slave(unsigned int bus, unsigned int cs, + unsigned int max_hz, unsigned int mode); +void tegra30_spi_free_slave(struct spi_slave *slave); +int tegra30_spi_claim_bus(struct spi_slave *slave); +void tegra30_spi_cs_activate(struct spi_slave *slave); +void tegra30_spi_cs_deactivate(struct spi_slave *slave); +int tegra30_spi_xfer(struct spi_slave *slave, unsigned int bitlen, + const void *data_out, void *data_in, unsigned long flags); + +#endif /* _TEGRA30_SPI_H_ */ diff --git a/arch/arm/include/asm/arch-tegra20/uart-spi-switch.h b/arch/arm/include/asm/arch-tegra20/uart-spi-switch.h deleted file mode 100644 index 82ac180..0000000 --- a/arch/arm/include/asm/arch-tegra20/uart-spi-switch.h +++ /dev/null @@ -1,46 +0,0 @@ -/* - * Copyright (c) 2011 The Chromium OS Authors. - * See file CREDITS for list of people who contributed to this - * project. - * - * 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., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#ifndef _UART_SPI_SWITCH_H -#define _UART_SPI_SWITCH_H - -#if defined(CONFIG_SPI_UART_SWITCH) -/* - * Signal that we are about to use the UART. This unfortunate hack is - * required by Seaboard, which cannot use its console and SPI at the same - * time! If the board file provides this, the board config will declare it. - * Let this be a lesson for others. - */ -void pinmux_select_uart(void); - -/* - * Signal that we are about the use the SPI bus. - */ -void pinmux_select_spi(void); - -#else /* not CONFIG_SPI_UART_SWITCH */ - -static inline void pinmux_select_uart(void) {} -static inline void pinmux_select_spi(void) {} - -#endif - -#endif |