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27e768a4e7
All pin control drivers for R-Car Gen3 SoCs contain identical bias handling. Reduce code duplication by moving it to the common pinctrl.c code. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/r/20201028151637.1734130-6-geert+renesas@glider.be
41 lines
1.1 KiB
C
41 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0
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*
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* SuperH Pin Function Controller support.
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*
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* Copyright (C) 2012 Renesas Solutions Corp.
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*/
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#ifndef __SH_PFC_CORE_H__
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#define __SH_PFC_CORE_H__
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#include <linux/types.h>
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#include "sh_pfc.h"
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struct sh_pfc_pin_range {
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u16 start;
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u16 end;
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};
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int sh_pfc_register_gpiochip(struct sh_pfc *pfc);
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int sh_pfc_register_pinctrl(struct sh_pfc *pfc);
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u32 sh_pfc_read_raw_reg(void __iomem *mapped_reg, unsigned int reg_width);
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void sh_pfc_write_raw_reg(void __iomem *mapped_reg, unsigned int reg_width,
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u32 data);
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u32 sh_pfc_read(struct sh_pfc *pfc, u32 reg);
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void sh_pfc_write(struct sh_pfc *pfc, u32 reg, u32 data);
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int sh_pfc_get_pin_index(struct sh_pfc *pfc, unsigned int pin);
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int sh_pfc_config_mux(struct sh_pfc *pfc, unsigned mark, int pinmux_type);
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const struct pinmux_bias_reg *
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sh_pfc_pin_to_bias_reg(const struct sh_pfc *pfc, unsigned int pin,
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unsigned int *bit);
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unsigned int rcar_pinmux_get_bias(struct sh_pfc *pfc, unsigned int pin);
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void rcar_pinmux_set_bias(struct sh_pfc *pfc, unsigned int pin,
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unsigned int bias);
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#endif /* __SH_PFC_CORE_H__ */
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