1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Samsung's Exynos pinctrl bindings
4  *
5  * Copyright (c) 2016 Samsung Electronics Co., Ltd.
6  *		http://www.samsung.com
7  * Author: Krzysztof Kozlowski <krzk@kernel.org>
8  */
9 
10 #ifndef __DT_BINDINGS_PINCTRL_SAMSUNG_H__
11 #define __DT_BINDINGS_PINCTRL_SAMSUNG_H__
12 
13 #define EXYNOS_PIN_PULL_NONE		0
14 #define EXYNOS_PIN_PULL_DOWN		1
15 #define EXYNOS_PIN_PULL_UP		3
16 
17 #define S3C64XX_PIN_PULL_NONE		0
18 #define S3C64XX_PIN_PULL_DOWN		1
19 #define S3C64XX_PIN_PULL_UP		2
20 
21 /* Pin function in power down mode */
22 #define EXYNOS_PIN_PDN_OUT0		0
23 #define EXYNOS_PIN_PDN_OUT1		1
24 #define EXYNOS_PIN_PDN_INPUT		2
25 #define EXYNOS_PIN_PDN_PREV		3
26 
27 /* Drive strengths for Exynos3250, Exynos4 (all) and Exynos5250 */
28 #define EXYNOS4_PIN_DRV_LV1		0
29 #define EXYNOS4_PIN_DRV_LV2		2
30 #define EXYNOS4_PIN_DRV_LV3		1
31 #define EXYNOS4_PIN_DRV_LV4		3
32 
33 /* Drive strengths for Exynos5260 */
34 #define EXYNOS5260_PIN_DRV_LV1		0
35 #define EXYNOS5260_PIN_DRV_LV2		1
36 #define EXYNOS5260_PIN_DRV_LV4		2
37 #define EXYNOS5260_PIN_DRV_LV6		3
38 
39 /* Drive strengths for Exynos5410, Exynos542x and Exynos5800 */
40 #define EXYNOS5420_PIN_DRV_LV1		0
41 #define EXYNOS5420_PIN_DRV_LV2		1
42 #define EXYNOS5420_PIN_DRV_LV3		2
43 #define EXYNOS5420_PIN_DRV_LV4		3
44 
45 /* Drive strengths for Exynos5433 */
46 #define EXYNOS5433_PIN_DRV_FAST_SR1	0
47 #define EXYNOS5433_PIN_DRV_FAST_SR2	1
48 #define EXYNOS5433_PIN_DRV_FAST_SR3	2
49 #define EXYNOS5433_PIN_DRV_FAST_SR4	3
50 #define EXYNOS5433_PIN_DRV_FAST_SR5	4
51 #define EXYNOS5433_PIN_DRV_FAST_SR6	5
52 #define EXYNOS5433_PIN_DRV_SLOW_SR1	8
53 #define EXYNOS5433_PIN_DRV_SLOW_SR2	9
54 #define EXYNOS5433_PIN_DRV_SLOW_SR3	0xa
55 #define EXYNOS5433_PIN_DRV_SLOW_SR4	0xb
56 #define EXYNOS5433_PIN_DRV_SLOW_SR5	0xc
57 #define EXYNOS5433_PIN_DRV_SLOW_SR6	0xf
58 
59 #define EXYNOS_PIN_FUNC_INPUT		0
60 #define EXYNOS_PIN_FUNC_OUTPUT		1
61 #define EXYNOS_PIN_FUNC_2		2
62 #define EXYNOS_PIN_FUNC_3		3
63 #define EXYNOS_PIN_FUNC_4		4
64 #define EXYNOS_PIN_FUNC_5		5
65 #define EXYNOS_PIN_FUNC_6		6
66 #define EXYNOS_PIN_FUNC_EINT		0xf
67 #define EXYNOS_PIN_FUNC_F		EXYNOS_PIN_FUNC_EINT
68 
69 /* Drive strengths for Exynos7 FSYS1 block */
70 #define EXYNOS7_FSYS1_PIN_DRV_LV1	0
71 #define EXYNOS7_FSYS1_PIN_DRV_LV2	4
72 #define EXYNOS7_FSYS1_PIN_DRV_LV3	2
73 #define EXYNOS7_FSYS1_PIN_DRV_LV4	6
74 #define EXYNOS7_FSYS1_PIN_DRV_LV5	1
75 #define EXYNOS7_FSYS1_PIN_DRV_LV6	5
76 
77 #endif /* __DT_BINDINGS_PINCTRL_SAMSUNG_H__ */
78