mirror of
https://github.com/smaeul/u-boot.git
synced 2025-10-31 20:18:18 +00:00
417eca09bf
Implement drive strength support, by preserving the same bindings as in Linux. Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
50 lines
1.5 KiB
C
50 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* This header provides constants for most at91 pinctrl bindings.
|
|
*
|
|
* Copyright (C) 2013 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
|
|
*/
|
|
|
|
#ifndef __DT_BINDINGS_AT91_PINCTRL_H__
|
|
#define __DT_BINDINGS_AT91_PINCTRL_H__
|
|
|
|
#define AT91_PINCTRL_NONE (0 << 0)
|
|
#define AT91_PINCTRL_PULL_UP (1 << 0)
|
|
#define AT91_PINCTRL_MULTI_DRIVE (1 << 1)
|
|
#define AT91_PINCTRL_DEGLITCH (1 << 2)
|
|
#define AT91_PINCTRL_PULL_DOWN (1 << 3)
|
|
#define AT91_PINCTRL_DIS_SCHMIT (1 << 4)
|
|
#define AT91_PINCTRL_OUTPUT (1 << 7)
|
|
#define AT91_PINCTRL_OUTPUT_VAL(x) ((x & 0x1) << 8)
|
|
#define AT91_PINCTRL_SLEWRATE (1 << 9)
|
|
#define AT91_PINCTRL_DEBOUNCE (1 << 16)
|
|
#define AT91_PINCTRL_DEBOUNCE_VAL(x) (x << 17)
|
|
|
|
#define AT91_PINCTRL_PULL_UP_DEGLITCH (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DEGLITCH)
|
|
|
|
#define AT91_PINCTRL_DRIVE_STRENGTH_DEFAULT (0x0 << 5)
|
|
#define AT91_PINCTRL_DRIVE_STRENGTH_LOW (0x1 << 5)
|
|
#define AT91_PINCTRL_DRIVE_STRENGTH_MED (0x2 << 5)
|
|
#define AT91_PINCTRL_DRIVE_STRENGTH_HI (0x3 << 5)
|
|
|
|
#define AT91_PINCTRL_SLEWRATE_DIS (0x0 << 9)
|
|
#define AT91_PINCTRL_SLEWRATE_ENA (0x1 << 9)
|
|
|
|
#define AT91_PIOA 0
|
|
#define AT91_PIOB 1
|
|
#define AT91_PIOC 2
|
|
#define AT91_PIOD 3
|
|
#define AT91_PIOE 4
|
|
|
|
#define AT91_PERIPH_GPIO 0
|
|
#define AT91_PERIPH_A 1
|
|
#define AT91_PERIPH_B 2
|
|
#define AT91_PERIPH_C 3
|
|
#define AT91_PERIPH_D 4
|
|
|
|
#define ATMEL_PIO_DRVSTR_LO 1
|
|
#define ATMEL_PIO_DRVSTR_ME 2
|
|
#define ATMEL_PIO_DRVSTR_HI 3
|
|
|
|
#endif /* __DT_BINDINGS_AT91_PINCTRL_H__ */
|