xref: /linux/arch/arm64/boot/dts/exynos/exynos-pinctrl.h (revision 4f2c0a4acffbec01079c28f839422e64ddeff004)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Samsung Exynos DTS pinctrl constants
4  *
5  * Copyright (c) 2016 Samsung Electronics Co., Ltd.
6  *		http://www.samsung.com
7  * Copyright (c) 2022 Linaro Ltd
8  * Author: Krzysztof Kozlowski <krzk@kernel.org>
9  */
10 
11 #ifndef __DTS_ARM64_SAMSUNG_EXYNOS_PINCTRL_H__
12 #define __DTS_ARM64_SAMSUNG_EXYNOS_PINCTRL_H__
13 
14 #define EXYNOS_PIN_PULL_NONE		0
15 #define EXYNOS_PIN_PULL_DOWN		1
16 #define EXYNOS_PIN_PULL_UP		3
17 
18 /* Pin function in power down mode */
19 #define EXYNOS_PIN_PDN_OUT0		0
20 #define EXYNOS_PIN_PDN_OUT1		1
21 #define EXYNOS_PIN_PDN_INPUT		2
22 #define EXYNOS_PIN_PDN_PREV		3
23 
24 /*
25  * Drive strengths for Exynos5410, Exynos542x, Exynos5800, Exynos7885, Exynos850
26  * (except GPIO_HSI block), ExynosAutov9 (FSI0, PERIC1)
27  */
28 #define EXYNOS5420_PIN_DRV_LV1		0
29 #define EXYNOS5420_PIN_DRV_LV2		1
30 #define EXYNOS5420_PIN_DRV_LV3		2
31 #define EXYNOS5420_PIN_DRV_LV4		3
32 
33 /* Drive strengths for Exynos5433 */
34 #define EXYNOS5433_PIN_DRV_FAST_SR1	0
35 #define EXYNOS5433_PIN_DRV_FAST_SR2	1
36 #define EXYNOS5433_PIN_DRV_FAST_SR3	2
37 #define EXYNOS5433_PIN_DRV_FAST_SR4	3
38 #define EXYNOS5433_PIN_DRV_FAST_SR5	4
39 #define EXYNOS5433_PIN_DRV_FAST_SR6	5
40 #define EXYNOS5433_PIN_DRV_SLOW_SR1	8
41 #define EXYNOS5433_PIN_DRV_SLOW_SR2	9
42 #define EXYNOS5433_PIN_DRV_SLOW_SR3	0xa
43 #define EXYNOS5433_PIN_DRV_SLOW_SR4	0xb
44 #define EXYNOS5433_PIN_DRV_SLOW_SR5	0xc
45 #define EXYNOS5433_PIN_DRV_SLOW_SR6	0xf
46 
47 /* Drive strengths for Exynos7 (except FSYS1) */
48 #define EXYNOS7_PIN_DRV_LV1		0
49 #define EXYNOS7_PIN_DRV_LV2		2
50 #define EXYNOS7_PIN_DRV_LV3		1
51 #define EXYNOS7_PIN_DRV_LV4		3
52 
53 /* Drive strengths for Exynos7 FSYS1 block */
54 #define EXYNOS7_FSYS1_PIN_DRV_LV1	0
55 #define EXYNOS7_FSYS1_PIN_DRV_LV2	4
56 #define EXYNOS7_FSYS1_PIN_DRV_LV3	2
57 #define EXYNOS7_FSYS1_PIN_DRV_LV4	6
58 #define EXYNOS7_FSYS1_PIN_DRV_LV5	1
59 #define EXYNOS7_FSYS1_PIN_DRV_LV6	5
60 
61 /* Drive strengths for Exynos850 GPIO_HSI block */
62 #define EXYNOS850_HSI_PIN_DRV_LV1	0	/* 1x   */
63 #define EXYNOS850_HSI_PIN_DRV_LV1_5	1	/* 1.5x */
64 #define EXYNOS850_HSI_PIN_DRV_LV2	2	/* 2x   */
65 #define EXYNOS850_HSI_PIN_DRV_LV2_5	3	/* 2.5x */
66 #define EXYNOS850_HSI_PIN_DRV_LV3	4	/* 3x   */
67 #define EXYNOS850_HSI_PIN_DRV_LV4	5	/* 4x   */
68 
69 #define EXYNOS_PIN_FUNC_INPUT		0
70 #define EXYNOS_PIN_FUNC_OUTPUT		1
71 #define EXYNOS_PIN_FUNC_2		2
72 #define EXYNOS_PIN_FUNC_3		3
73 #define EXYNOS_PIN_FUNC_4		4
74 #define EXYNOS_PIN_FUNC_5		5
75 #define EXYNOS_PIN_FUNC_6		6
76 #define EXYNOS_PIN_FUNC_EINT		0xf
77 #define EXYNOS_PIN_FUNC_F		EXYNOS_PIN_FUNC_EINT
78 
79 #endif /* __DTS_ARM64_SAMSUNG_EXYNOS_PINCTRL_H__ */
80