diff options
Diffstat (limited to 'drivers/pinctrl/exynos/pinctrl-exynos.h')
| -rw-r--r-- | drivers/pinctrl/exynos/pinctrl-exynos.h | 36 |
1 files changed, 31 insertions, 5 deletions
diff --git a/drivers/pinctrl/exynos/pinctrl-exynos.h b/drivers/pinctrl/exynos/pinctrl-exynos.h index cbc5174b48c..743bb557309 100644 --- a/drivers/pinctrl/exynos/pinctrl-exynos.h +++ b/drivers/pinctrl/exynos/pinctrl-exynos.h @@ -8,26 +8,52 @@ #ifndef __PINCTRL_EXYNOS_H_ #define __PINCTRL_EXYNOS_H_ -#define PIN_CON 0x00 /* Offset of pin function register */ -#define PIN_DAT 0x04 /* Offset of pin data register */ -#define PIN_PUD 0x08 /* Offset of pin pull up/down config register */ -#define PIN_DRV 0x0C /* Offset of pin drive strength register */ +/** + * enum pincfg_type - possible pin configuration types supported. + * @PINCFG_TYPE_FUNC: Function configuration. + * @PINCFG_TYPE_DAT: Pin value configuration. + * @PINCFG_TYPE_PUD: Pull up/down configuration. + * @PINCFG_TYPE_DRV: Drive strength configuration. + */ +enum pincfg_type { + PINCFG_TYPE_FUNC, + PINCFG_TYPE_DAT, + PINCFG_TYPE_PUD, + PINCFG_TYPE_DRV, + + PINCFG_TYPE_NUM +}; + +/** + * struct samsung_pin_bank_type: pin bank type description + * @fld_width: widths of configuration bitfields (0 if unavailable) + * @reg_offset: offsets of configuration registers (don't care of width is 0) + */ +struct samsung_pin_bank_type { + u8 fld_width[PINCFG_TYPE_NUM]; + u8 reg_offset[PINCFG_TYPE_NUM]; +}; /** * struct samsung_pin_bank_data: represent a controller pin-bank data. + * @type: type of the bank (register offsets and bitfield widths) * @offset: starting offset of the pin-bank registers. * @nr_pins: number of pins included in this bank. * @name: name to be prefixed for each pin in this pin bank. */ struct samsung_pin_bank_data { + const struct samsung_pin_bank_type *type; u32 offset; u8 nr_pins; const char *name; }; +extern const struct samsung_pin_bank_type bank_type_alive; + #define EXYNOS_PIN_BANK(pins, reg, id) \ { \ - .offset = reg, \ + .type = &bank_type_alive, \ + .offset = reg, \ .nr_pins = pins, \ .name = id \ } |