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      1 /*	$NetBSD: at91.h,v 1.1.1.4 2020/01/03 14:33:03 skrll Exp $	*/
      2 
      3 /* SPDX-License-Identifier: GPL-2.0-only */
      4 /*
      5  * This header provides constants for most at91 pinctrl bindings.
      6  *
      7  * Copyright (C) 2013 Jean-Christophe PLAGNIOL-VILLARD <plagnioj (at) jcrosoft.com>
      8  */
      9 
     10 #ifndef __DT_BINDINGS_AT91_PINCTRL_H__
     11 #define __DT_BINDINGS_AT91_PINCTRL_H__
     12 
     13 #define AT91_PINCTRL_NONE		(0 << 0)
     14 #define AT91_PINCTRL_PULL_UP		(1 << 0)
     15 #define AT91_PINCTRL_MULTI_DRIVE	(1 << 1)
     16 #define AT91_PINCTRL_DEGLITCH		(1 << 2)
     17 #define AT91_PINCTRL_PULL_DOWN		(1 << 3)
     18 #define AT91_PINCTRL_DIS_SCHMIT		(1 << 4)
     19 #define AT91_PINCTRL_OUTPUT		(1 << 7)
     20 #define AT91_PINCTRL_OUTPUT_VAL(x)	((x & 0x1) << 8)
     21 #define AT91_PINCTRL_SLEWRATE		(1 << 9)
     22 #define AT91_PINCTRL_DEBOUNCE		(1 << 16)
     23 #define AT91_PINCTRL_DEBOUNCE_VAL(x)	(x << 17)
     24 
     25 #define AT91_PINCTRL_PULL_UP_DEGLITCH	(AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DEGLITCH)
     26 
     27 #define AT91_PINCTRL_DRIVE_STRENGTH_DEFAULT		(0x0 << 5)
     28 #define AT91_PINCTRL_DRIVE_STRENGTH_LOW			(0x1 << 5)
     29 #define AT91_PINCTRL_DRIVE_STRENGTH_MED			(0x2 << 5)
     30 #define AT91_PINCTRL_DRIVE_STRENGTH_HI			(0x3 << 5)
     31 
     32 #define AT91_PINCTRL_SLEWRATE_ENA	(0x0 << 9)
     33 #define AT91_PINCTRL_SLEWRATE_DIS	(0x1 << 9)
     34 
     35 #define AT91_PIOA	0
     36 #define AT91_PIOB	1
     37 #define AT91_PIOC	2
     38 #define AT91_PIOD	3
     39 #define AT91_PIOE	4
     40 
     41 #define AT91_PERIPH_GPIO	0
     42 #define AT91_PERIPH_A		1
     43 #define AT91_PERIPH_B		2
     44 #define AT91_PERIPH_C		3
     45 #define AT91_PERIPH_D		4
     46 
     47 #define ATMEL_PIO_DRVSTR_LO	1
     48 #define ATMEL_PIO_DRVSTR_ME	2
     49 #define ATMEL_PIO_DRVSTR_HI	3
     50 
     51 #endif /* __DT_BINDINGS_AT91_PINCTRL_H__ */
     52