am33xx.h revision 1.1.1.2 
1/*	$NetBSD: am33xx.h,v 1.1.1.2 2017/11/30 19:40:51 jmcneill Exp $	*/
2
3/* SPDX-License-Identifier: GPL-2.0 */
4/*
5 * This header provides constants specific to AM33XX pinctrl bindings.
6 */
7
8#ifndef _DT_BINDINGS_PINCTRL_AM33XX_H
9#define _DT_BINDINGS_PINCTRL_AM33XX_H
10
11#include <dt-bindings/pinctrl/omap.h>
12
13/* am33xx specific mux bit defines */
14#undef PULL_ENA
15#undef INPUT_EN
16
17#define PULL_DISABLE		(1 << 3)
18#define INPUT_EN		(1 << 5)
19#define SLEWCTRL_SLOW		(1 << 6)
20#define SLEWCTRL_FAST		0
21
22/* update macro depending on INPUT_EN and PULL_ENA */
23#undef PIN_OUTPUT
24#undef PIN_OUTPUT_PULLUP
25#undef PIN_OUTPUT_PULLDOWN
26#undef PIN_INPUT
27#undef PIN_INPUT_PULLUP
28#undef PIN_INPUT_PULLDOWN
29
30#define PIN_OUTPUT		(PULL_DISABLE)
31#define PIN_OUTPUT_PULLUP	(PULL_UP)
32#define PIN_OUTPUT_PULLDOWN	0
33#define PIN_INPUT		(INPUT_EN | PULL_DISABLE)
34#define PIN_INPUT_PULLUP	(INPUT_EN | PULL_UP)
35#define PIN_INPUT_PULLDOWN	(INPUT_EN)
36
37/* undef non-existing modes */
38#undef PIN_OFF_NONE
39#undef PIN_OFF_OUTPUT_HIGH
40#undef PIN_OFF_OUTPUT_LOW
41#undef PIN_OFF_INPUT_PULLUP
42#undef PIN_OFF_INPUT_PULLDOWN
43#undef PIN_OFF_WAKEUPENABLE
44
45#endif
46
47