1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * This header provides constants for most at91 pinctrl bindings.
4  *
5  * Copyright (C) 2013 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
6  */
7 
8 #ifndef __DT_BINDINGS_AT91_PINCTRL_H__
9 #define __DT_BINDINGS_AT91_PINCTRL_H__
10 
11 #define AT91_PINCTRL_NONE		(0 << 0)
12 #define AT91_PINCTRL_PULL_UP		(1 << 0)
13 #define AT91_PINCTRL_MULTI_DRIVE	(1 << 1)
14 #define AT91_PINCTRL_DEGLITCH		(1 << 2)
15 #define AT91_PINCTRL_PULL_DOWN		(1 << 3)
16 #define AT91_PINCTRL_DIS_SCHMIT		(1 << 4)
17 #define AT91_PINCTRL_OUTPUT		(1 << 7)
18 #define AT91_PINCTRL_OUTPUT_VAL(x)	((x & 0x1) << 8)
19 #define AT91_PINCTRL_SLEWRATE		(1 << 9)
20 #define AT91_PINCTRL_DEBOUNCE		(1 << 16)
21 #define AT91_PINCTRL_DEBOUNCE_VAL(x)	(x << 17)
22 
23 #define AT91_PINCTRL_PULL_UP_DEGLITCH	(AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DEGLITCH)
24 
25 #define AT91_PINCTRL_DRIVE_STRENGTH_DEFAULT		(0x0 << 5)
26 #define AT91_PINCTRL_DRIVE_STRENGTH_LOW			(0x1 << 5)
27 #define AT91_PINCTRL_DRIVE_STRENGTH_MED			(0x2 << 5)
28 #define AT91_PINCTRL_DRIVE_STRENGTH_HI			(0x3 << 5)
29 
30 #define AT91_PINCTRL_SLEWRATE_ENA	(0x0 << 9)
31 #define AT91_PINCTRL_SLEWRATE_DIS	(0x1 << 9)
32 
33 #define AT91_PIOA	0
34 #define AT91_PIOB	1
35 #define AT91_PIOC	2
36 #define AT91_PIOD	3
37 #define AT91_PIOE	4
38 
39 #define AT91_PERIPH_GPIO	0
40 #define AT91_PERIPH_A		1
41 #define AT91_PERIPH_B		2
42 #define AT91_PERIPH_C		3
43 #define AT91_PERIPH_D		4
44 
45 #define ATMEL_PIO_DRVSTR_LO	1
46 #define ATMEL_PIO_DRVSTR_ME	2
47 #define ATMEL_PIO_DRVSTR_HI	3
48 
49 #endif /* __DT_BINDINGS_AT91_PINCTRL_H__ */
50