diff options
Diffstat (limited to 'arch/arm/mach-parrot7/i2cm.h')
| -rw-r--r-- | arch/arm/mach-parrot7/i2cm.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/arch/arm/mach-parrot7/i2cm.h b/arch/arm/mach-parrot7/i2cm.h new file mode 100644 index 00000000000000..1338fd14532e39 --- /dev/null +++ b/arch/arm/mach-parrot7/i2cm.h @@ -0,0 +1,75 @@ +/** + * linux/arch/arm/mach-parrot7/i2cm.h - Parrot7 I2C master controller platform + * interface + * + * Copyright (C) 2012 Parrot S.A. + * + * author: Gregor Boirie <gregor.boirie@parrot.com> + * date: 12-Jun-2012 + * + * This file is released under the GPL + */ + +#ifndef _ARCH_PARROT7_I2CM_H +#define _ARCH_PARROT7_I2CM_H + +struct p7i2cm_plat_data; +struct i2c_board_info; +struct pinctrl_map; + +#if defined(CONFIG_I2CM_PARROT7) || \ + defined(CONFIG_I2CM_PARROT7_MODULE) + +#include <linux/init.h> + +extern void p7_init_i2cm(int, + struct p7i2cm_plat_data*, + struct pinctrl_map*, + size_t) __init; + + +extern int p7_init_i2cm_slave(int, + struct i2c_board_info const*, + struct pinctrl_map*, + size_t) __init; + +#else /* defined(CONFIG_I2CM_PARROT7) || \ + defined(CONFIG_I2CM_PARROT7_MODULE) */ + +#define p7_init_i2cm(_bus, _pdata, _pins, _pins_nr) +#define p7_init_i2cm_slave(_bus, _info, _pins, _pins_nr) \ + ({ -ENOSYS; }) + +#endif /* defined(CONFIG_I2CM_PARROT7) || \ + defined(CONFIG_I2CM_PARROT7_MODULE) */ + +#if defined(CONFIG_I2C_MUX_PARROT7) || \ + defined(CONFIG_I2C_MUX_PARROT7_MODULE) + +struct p7i2cmux_plat_data; + +struct p7i2cmux_pins { + struct pinctrl_map* pinmap; + size_t sz; +}; + +extern void p7_init_i2cm_muxed(int, + struct p7i2cm_plat_data*, + struct pinctrl_map*, + size_t, + struct p7i2cmux_plat_data*, + struct p7i2cmux_pins const*) __init; + +#else + +struct p7i2cmux_plat_data; + +struct p7i2cmux_pins { + struct pinctrl_map* pinmap; + size_t sz; +}; + +#endif /* #if defined(CONFIG_I2C_MUX_PARROT7) || \ + defined(CONFIG_I2C_MUX_PARROT7_MODULE) */ + +#endif |