mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-23 19:43:33 +00:00
8d393b2c22
Changes in relation to FriendlyARM's U-Boot nanopi2-v2016.01: - livetree API (dev_read_...) is used instead of fdt one (fdt...). - doc/device-tree-bindings/pinctrl/nexell,s5pxx18-pinctrl.txt added. Signed-off-by: Stefan Bosch <stefan_b@posteo.net>
68 lines
1.7 KiB
C
68 lines
1.7 KiB
C
/* 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_ */
|