diff options
Diffstat (limited to 'drivers/pinctrl/nexell/pinctrl-nexell.h')
-rw-r--r-- | drivers/pinctrl/nexell/pinctrl-nexell.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/drivers/pinctrl/nexell/pinctrl-nexell.h b/drivers/pinctrl/nexell/pinctrl-nexell.h new file mode 100644 index 0000000000..b21eefcabe --- /dev/null +++ b/drivers/pinctrl/nexell/pinctrl-nexell.h @@ -0,0 +1,68 @@ +/* SPDX-License-Identifier: GPL-2.0+ + * + * Pinctrl driver for Nexell SoCs + * (C) Copyright 2016 Nexell + * Bongyu, KOO <freestyle@nexell.co.kr> + * + */ + +#ifndef __PINCTRL_NEXELL_H_ +#define __PINCTRL_NEXELL_H_ + +/** + * struct nexell_pin_bank_data: represent a controller pin-bank data. + * @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 nexell_pin_bank_data { + u32 offset; + u8 nr_pins; + const char *name; + u8 type; +}; + +#define NEXELL_PIN_BANK(pins, reg, id) \ + { \ + .offset = reg, \ + .nr_pins = pins, \ + .name = id \ + } + +/** + * struct nexell_pin_ctrl: represent a pin controller. + * @pin_banks: list of pin banks included in this controller. + * @nr_banks: number of pin banks. + */ +struct nexell_pin_ctrl { + const struct nexell_pin_bank_data *pin_banks; + u32 nr_banks; +}; + +/** + * struct nexell_pinctrl_priv: nexell pin controller driver private data + * @pin_ctrl: pin controller bank information. + * @base: base address of the pin controller instance. + */ +struct nexell_pinctrl_priv { + const struct nexell_pin_ctrl *pin_ctrl; + unsigned long base; +}; + +/** + * struct nexell_pinctrl_config_data: configuration for a peripheral. + * @offset: offset of the config registers in the controller. + * @mask: value of the register to be masked with. + * @value: new value to be programmed. + */ +struct nexell_pinctrl_config_data { + const unsigned int offset; + const unsigned int mask; + const unsigned int value; +}; + +unsigned long pin_to_bank_base(struct udevice *dev, const char *pin_name, + u32 *pin); +int nexell_pinctrl_probe(struct udevice *dev); + +#endif /* __PINCTRL_NEXELL_H_ */ |