1/*
 2 * This header provides constants specific to DM814X pinctrl bindings.
 3 */
 4
 5#ifndef _DT_BINDINGS_PINCTRL_DM814X_H
 6#define _DT_BINDINGS_PINCTRL_DM814X_H
 7
 8#include <dt-bindings/pinctrl/omap.h>
 9
10#undef INPUT_EN
11#undef PULL_UP
12#undef PULL_ENA
13
14/*
15 * Note that dm814x silicon revision 2.1 and older require input enabled
16 * (bit 18 set) for all 3.3V I/Os to avoid cumulative hardware damage. For
17 * more info, see errata advisory 2.1.87. We leave bit 18 out of
18 * function-mask in dm814x.h and rely on the bootloader for it.
19 */
20#define INPUT_EN		(1 << 18)
21#define PULL_UP			(1 << 17)
22#define PULL_DISABLE		(1 << 16)
23
24/* update macro depending on INPUT_EN and PULL_ENA */
25#undef PIN_OUTPUT
26#undef PIN_OUTPUT_PULLUP
27#undef PIN_OUTPUT_PULLDOWN
28#undef PIN_INPUT
29#undef PIN_INPUT_PULLUP
30#undef PIN_INPUT_PULLDOWN
31
32#define PIN_OUTPUT		(PULL_DISABLE)
33#define PIN_OUTPUT_PULLUP	(PULL_UP)
34#define PIN_OUTPUT_PULLDOWN	0
35#define PIN_INPUT		(INPUT_EN | PULL_DISABLE)
36#define PIN_INPUT_PULLUP	(INPUT_EN | PULL_UP)
37#define PIN_INPUT_PULLDOWN	(INPUT_EN)
38
39/* undef non-existing modes */
40#undef PIN_OFF_NONE
41#undef PIN_OFF_OUTPUT_HIGH
42#undef PIN_OFF_OUTPUT_LOW
43#undef PIN_OFF_INPUT_PULLUP
44#undef PIN_OFF_INPUT_PULLDOWN
45#undef PIN_OFF_WAKEUPENABLE
46
47#endif
48

 1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * This header provides constants specific to DM814X pinctrl bindings.
 4 */
 5
 6#ifndef _DT_BINDINGS_PINCTRL_DM814X_H
 7#define _DT_BINDINGS_PINCTRL_DM814X_H
 8
 9#include <dt-bindings/pinctrl/omap.h>
10
11#undef INPUT_EN
12#undef PULL_UP
13#undef PULL_ENA
14
15/*
16 * Note that dm814x silicon revision 2.1 and older require input enabled
17 * (bit 18 set) for all 3.3V I/Os to avoid cumulative hardware damage. For
18 * more info, see errata advisory 2.1.87. We leave bit 18 out of
19 * function-mask in dm814x.h and rely on the bootloader for it.
20 */
21#define INPUT_EN		(1 << 18)
22#define PULL_UP			(1 << 17)
23#define PULL_DISABLE		(1 << 16)
24
25/* update macro depending on INPUT_EN and PULL_ENA */
26#undef PIN_OUTPUT
27#undef PIN_OUTPUT_PULLUP
28#undef PIN_OUTPUT_PULLDOWN
29#undef PIN_INPUT
30#undef PIN_INPUT_PULLUP
31#undef PIN_INPUT_PULLDOWN
32
33#define PIN_OUTPUT		(PULL_DISABLE)
34#define PIN_OUTPUT_PULLUP	(PULL_UP)
35#define PIN_OUTPUT_PULLDOWN	0
36#define PIN_INPUT		(INPUT_EN | PULL_DISABLE)
37#define PIN_INPUT_PULLUP	(INPUT_EN | PULL_UP)
38#define PIN_INPUT_PULLDOWN	(INPUT_EN)
39
40/* undef non-existing modes */
41#undef PIN_OFF_NONE
42#undef PIN_OFF_OUTPUT_HIGH
43#undef PIN_OFF_OUTPUT_LOW
44#undef PIN_OFF_INPUT_PULLUP
45#undef PIN_OFF_INPUT_PULLDOWN
46#undef PIN_OFF_WAKEUPENABLE
47
48#endif
49