diff options
Diffstat (limited to 'drivers/pinctrl/sh-pfc/core.h')
-rw-r--r-- | drivers/pinctrl/sh-pfc/core.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/pinctrl/sh-pfc/core.h b/drivers/pinctrl/sh-pfc/core.h new file mode 100644 index 000000000..5af8ee26c --- /dev/null +++ b/drivers/pinctrl/sh-pfc/core.h @@ -0,0 +1,39 @@ +/* + * SuperH Pin Function Controller support. + * + * Copyright (C) 2012 Renesas Solutions Corp. + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +#ifndef __SH_PFC_CORE_H__ +#define __SH_PFC_CORE_H__ + +#include <linux/types.h> + +#include "sh_pfc.h" + +struct sh_pfc_pin_range { + u16 start; + u16 end; +}; + +int sh_pfc_register_gpiochip(struct sh_pfc *pfc); + +int sh_pfc_register_pinctrl(struct sh_pfc *pfc); + +u32 sh_pfc_read_raw_reg(void __iomem *mapped_reg, unsigned int reg_width); +void sh_pfc_write_raw_reg(void __iomem *mapped_reg, unsigned int reg_width, + u32 data); +u32 sh_pfc_read(struct sh_pfc *pfc, u32 reg); +void sh_pfc_write(struct sh_pfc *pfc, u32 reg, u32 data); + +int sh_pfc_get_pin_index(struct sh_pfc *pfc, unsigned int pin); +int sh_pfc_config_mux(struct sh_pfc *pfc, unsigned mark, int pinmux_type); + +const struct pinmux_bias_reg * +sh_pfc_pin_to_bias_reg(const struct sh_pfc *pfc, unsigned int pin, + unsigned int *bit); + +#endif /* __SH_PFC_CORE_H__ */ |