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[people/ms/u-boot.git] / arch / arm / include / asm / mach-imx / iomux-v3.h
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1/*
2 * Based on Linux i.MX iomux-v3.h file:
3 * Copyright (C) 2009 by Jan Weitzel Phytec Messtechnik GmbH,
4 * <armlinux@phytec.de>
5 *
6 * Copyright (C) 2011 Freescale Semiconductor, Inc.
7 *
1a459660 8 * SPDX-License-Identifier: GPL-2.0+
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9 */
10
11#ifndef __MACH_IOMUX_V3_H__
12#define __MACH_IOMUX_V3_H__
13
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14#include <common.h>
15
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16/*
17 * build IOMUX_PAD structure
18 *
19 * This iomux scheme is based around pads, which are the physical balls
20 * on the processor.
21 *
22 * - Each pad has a pad control register (IOMUXC_SW_PAD_CTRL_x) which controls
23 * things like driving strength and pullup/pulldown.
24 * - Each pad can have but not necessarily does have an output routing register
25 * (IOMUXC_SW_MUX_CTL_PAD_x).
26 * - Each pad can have but not necessarily does have an input routing register
27 * (IOMUXC_x_SELECT_INPUT)
28 *
29 * The three register sets do not have a fixed offset to each other,
30 * hence we order this table by pad control registers (which all pads
31 * have) and put the optional i/o routing registers into additional
32 * fields.
33 *
34 * The naming convention for the pad modes is SOC_PAD_<padname>__<padmode>
35 * If <padname> or <padmode> refers to a GPIO, it is named GPIO_<unit>_<num>
36 *
37 * IOMUX/PAD Bit field definitions
38 *
39 * MUX_CTRL_OFS: 0..11 (12)
40 * PAD_CTRL_OFS: 12..23 (12)
41 * SEL_INPUT_OFS: 24..35 (12)
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42 * MUX_MODE + SION + LPSR: 36..41 (6)
43 * PAD_CTRL + NO_PAD_CTRL: 42..59 (18)
44 * SEL_INP: 60..63 (4)
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45*/
46
47typedef u64 iomux_v3_cfg_t;
48
49#define MUX_CTRL_OFS_SHIFT 0
50#define MUX_CTRL_OFS_MASK ((iomux_v3_cfg_t)0xfff << MUX_CTRL_OFS_SHIFT)
51#define MUX_PAD_CTRL_OFS_SHIFT 12
52#define MUX_PAD_CTRL_OFS_MASK ((iomux_v3_cfg_t)0xfff << \
53 MUX_PAD_CTRL_OFS_SHIFT)
54#define MUX_SEL_INPUT_OFS_SHIFT 24
55#define MUX_SEL_INPUT_OFS_MASK ((iomux_v3_cfg_t)0xfff << \
56 MUX_SEL_INPUT_OFS_SHIFT)
57
58#define MUX_MODE_SHIFT 36
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59#define MUX_MODE_MASK ((iomux_v3_cfg_t)0x3f << MUX_MODE_SHIFT)
60#define MUX_PAD_CTRL_SHIFT 42
23608e23 61#define MUX_PAD_CTRL_MASK ((iomux_v3_cfg_t)0x3ffff << MUX_PAD_CTRL_SHIFT)
2ee40655 62#define MUX_SEL_INPUT_SHIFT 60
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63#define MUX_SEL_INPUT_MASK ((iomux_v3_cfg_t)0xf << MUX_SEL_INPUT_SHIFT)
64
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65#define MUX_MODE_SION ((iomux_v3_cfg_t)IOMUX_CONFIG_SION << \
66 MUX_MODE_SHIFT)
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67#define MUX_PAD_CTRL(x) ((iomux_v3_cfg_t)(x) << MUX_PAD_CTRL_SHIFT)
68
69#define IOMUX_PAD(pad_ctrl_ofs, mux_ctrl_ofs, mux_mode, sel_input_ofs, \
70 sel_input, pad_ctrl) \
71 (((iomux_v3_cfg_t)(mux_ctrl_ofs) << MUX_CTRL_OFS_SHIFT) | \
72 ((iomux_v3_cfg_t)(mux_mode) << MUX_MODE_SHIFT) | \
73 ((iomux_v3_cfg_t)(pad_ctrl_ofs) << MUX_PAD_CTRL_OFS_SHIFT) | \
74 ((iomux_v3_cfg_t)(pad_ctrl) << MUX_PAD_CTRL_SHIFT) | \
75 ((iomux_v3_cfg_t)(sel_input_ofs) << MUX_SEL_INPUT_OFS_SHIFT)| \
76 ((iomux_v3_cfg_t)(sel_input) << MUX_SEL_INPUT_SHIFT))
77
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78#define NEW_PAD_CTRL(cfg, pad) (((cfg) & ~MUX_PAD_CTRL_MASK) | \
79 MUX_PAD_CTRL(pad))
80
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81#define __NA_ 0x000
82#define NO_MUX_I 0
83#define NO_PAD_I 0
84
23608e23 85#define NO_PAD_CTRL (1 << 17)
23608e23 86
2ee40655 87#define IOMUX_CONFIG_LPSR 0x20
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88#define MUX_MODE_LPSR ((iomux_v3_cfg_t)IOMUX_CONFIG_LPSR << \
89 MUX_MODE_SHIFT)
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90#ifdef CONFIG_MX7
91
92#define IOMUX_LPSR_SEL_INPUT_OFS 0x70000
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93
94#define PAD_CTL_DSE_1P8V_140OHM (0x0<<0)
95#define PAD_CTL_DSE_1P8V_35OHM (0x1<<0)
96#define PAD_CTL_DSE_1P8V_70OHM (0x2<<0)
97#define PAD_CTL_DSE_1P8V_23OHM (0x3<<0)
98
99#define PAD_CTL_DSE_3P3V_196OHM (0x0<<0)
100#define PAD_CTL_DSE_3P3V_49OHM (0x1<<0)
101#define PAD_CTL_DSE_3P3V_98OHM (0x2<<0)
102#define PAD_CTL_DSE_3P3V_32OHM (0x3<<0)
103
104#define PAD_CTL_SRE_FAST (0 << 2)
105#define PAD_CTL_SRE_SLOW (0x1 << 2)
106
107#define PAD_CTL_HYS (0x1 << 3)
108#define PAD_CTL_PUE (0x1 << 4)
109
110#define PAD_CTL_PUS_PD100KOHM ((0x0 << 5) | PAD_CTL_PUE)
111#define PAD_CTL_PUS_PU5KOHM ((0x1 << 5) | PAD_CTL_PUE)
112#define PAD_CTL_PUS_PU47KOHM ((0x2 << 5) | PAD_CTL_PUE)
113#define PAD_CTL_PUS_PU100KOHM ((0x3 << 5) | PAD_CTL_PUE)
114
115#else
116
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117#ifdef CONFIG_MX6
118
dc88403e 119#define PAD_CTL_HYS (1 << 16)
79a34d3c 120
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121#define PAD_CTL_PUS_100K_DOWN (0 << 14 | PAD_CTL_PUE)
122#define PAD_CTL_PUS_47K_UP (1 << 14 | PAD_CTL_PUE)
123#define PAD_CTL_PUS_100K_UP (2 << 14 | PAD_CTL_PUE)
124#define PAD_CTL_PUS_22K_UP (3 << 14 | PAD_CTL_PUE)
125#define PAD_CTL_PUE (1 << 13 | PAD_CTL_PKE)
dc88403e 126#define PAD_CTL_PKE (1 << 12)
79a34d3c 127
dc88403e 128#define PAD_CTL_ODE (1 << 11)
79a34d3c 129
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130#if defined(CONFIG_MX6SX) || defined(CONFIG_MX6UL)
131#define PAD_CTL_SPEED_LOW (0 << 6)
132#else
dc88403e 133#define PAD_CTL_SPEED_LOW (1 << 6)
63ee5687 134#endif
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135#define PAD_CTL_SPEED_MED (2 << 6)
136#define PAD_CTL_SPEED_HIGH (3 << 6)
79a34d3c 137
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138#define PAD_CTL_DSE_DISABLE (0 << 3)
139#define PAD_CTL_DSE_240ohm (1 << 3)
140#define PAD_CTL_DSE_120ohm (2 << 3)
141#define PAD_CTL_DSE_80ohm (3 << 3)
142#define PAD_CTL_DSE_60ohm (4 << 3)
143#define PAD_CTL_DSE_48ohm (5 << 3)
144#define PAD_CTL_DSE_40ohm (6 << 3)
145#define PAD_CTL_DSE_34ohm (7 << 3)
d73b9760 146
40913fb5 147/* i.MX6SL/SLL */
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148#define PAD_CTL_LVE (1 << 1)
149#define PAD_CTL_LVE_BIT (1 << 22)
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150
151/* i.MX6SLL */
152#define PAD_CTL_IPD_BIT (1 << 27)
98d2cffd 153
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154#elif defined(CONFIG_VF610)
155
156#define PAD_MUX_MODE_SHIFT 20
157
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158#define PAD_CTL_INPUT_DIFFERENTIAL (1 << 16)
159
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160#define PAD_CTL_SPEED_MED (1 << 12)
161#define PAD_CTL_SPEED_HIGH (3 << 12)
162
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163#define PAD_CTL_SRE (1 << 11)
164
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165#define PAD_CTL_ODE (1 << 10)
166
9d2ca098 167#define PAD_CTL_DSE_150ohm (1 << 6)
80b9c3bb 168#define PAD_CTL_DSE_75ohm (2 << 6)
cfd701b5 169#define PAD_CTL_DSE_50ohm (3 << 6)
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170#define PAD_CTL_DSE_37ohm (4 << 6)
171#define PAD_CTL_DSE_30ohm (5 << 6)
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172#define PAD_CTL_DSE_25ohm (6 << 6)
173#define PAD_CTL_DSE_20ohm (7 << 6)
174
175#define PAD_CTL_PUS_47K_UP (1 << 4 | PAD_CTL_PUE)
176#define PAD_CTL_PUS_100K_UP (2 << 4 | PAD_CTL_PUE)
9d2ca098 177#define PAD_CTL_PUS_22K_UP (3 << 4 | PAD_CTL_PUE)
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178#define PAD_CTL_PKE (1 << 3)
179#define PAD_CTL_PUE (1 << 2 | PAD_CTL_PKE)
180
181#define PAD_CTL_OBE_IBE_ENABLE (3 << 0)
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182#define PAD_CTL_OBE_ENABLE (1 << 1)
183#define PAD_CTL_IBE_ENABLE (1 << 0)
cfd701b5 184
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185#else
186
187#define PAD_CTL_DVS (1 << 13)
188#define PAD_CTL_INPUT_DDR (1 << 9)
189#define PAD_CTL_HYS (1 << 8)
190
191#define PAD_CTL_PKE (1 << 7)
192#define PAD_CTL_PUE (1 << 6 | PAD_CTL_PKE)
193#define PAD_CTL_PUS_100K_DOWN (0 << 4 | PAD_CTL_PUE)
194#define PAD_CTL_PUS_47K_UP (1 << 4 | PAD_CTL_PUE)
195#define PAD_CTL_PUS_100K_UP (2 << 4 | PAD_CTL_PUE)
196#define PAD_CTL_PUS_22K_UP (3 << 4 | PAD_CTL_PUE)
197
198#define PAD_CTL_ODE (1 << 3)
199
200#define PAD_CTL_DSE_LOW (0 << 1)
201#define PAD_CTL_DSE_MED (1 << 1)
202#define PAD_CTL_DSE_HIGH (2 << 1)
203#define PAD_CTL_DSE_MAX (3 << 1)
204
205#endif
206
dc88403e 207#define PAD_CTL_SRE_SLOW (0 << 0)
79a34d3c 208#define PAD_CTL_SRE_FAST (1 << 0)
dc88403e 209
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210#endif
211
dc88403e 212#define IOMUX_CONFIG_SION 0x10
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213
214#define GPIO_PIN_MASK 0x1f
215#define GPIO_PORT_SHIFT 5
216#define GPIO_PORT_MASK (0x7 << GPIO_PORT_SHIFT)
217#define GPIO_PORTA (0 << GPIO_PORT_SHIFT)
218#define GPIO_PORTB (1 << GPIO_PORT_SHIFT)
219#define GPIO_PORTC (2 << GPIO_PORT_SHIFT)
220#define GPIO_PORTD (3 << GPIO_PORT_SHIFT)
221#define GPIO_PORTE (4 << GPIO_PORT_SHIFT)
222#define GPIO_PORTF (5 << GPIO_PORT_SHIFT)
23608e23 223
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224void imx_iomux_v3_setup_pad(iomux_v3_cfg_t pad);
225void imx_iomux_v3_setup_multiple_pads(iomux_v3_cfg_t const *pad_list,
5ae28d2d 226 unsigned count);
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227/*
228* Set bits for general purpose registers
229*/
230void imx_iomux_set_gpr_register(int group, int start_bit,
231 int num_bits, int value);
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232#ifdef CONFIG_IOMUX_SHARE_CONF_REG
233void imx_iomux_gpio_set_direction(unsigned int gpio,
234 unsigned int direction);
235void imx_iomux_gpio_get_function(unsigned int gpio,
236 u32 *gpio_state);
237#endif
23608e23 238
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239/* macros for declaring and using pinmux array */
240#if defined(CONFIG_MX6QDL)
241#define IOMUX_PADS(x) (MX6Q_##x), (MX6DL_##x)
242#define SETUP_IOMUX_PAD(def) \
3c8dcf0e 243if (is_cpu_type(MXC_CPU_MX6Q) || is_cpu_type(MXC_CPU_MX6D)) { \
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244 imx_iomux_v3_setup_pad(MX6Q_##def); \
245} else { \
246 imx_iomux_v3_setup_pad(MX6DL_##def); \
247}
248#define SETUP_IOMUX_PADS(x) \
249 imx_iomux_v3_setup_multiple_pads(x, ARRAY_SIZE(x)/2)
250#elif defined(CONFIG_MX6Q) || defined(CONFIG_MX6D)
251#define IOMUX_PADS(x) MX6Q_##x
252#define SETUP_IOMUX_PAD(def) \
253 imx_iomux_v3_setup_pad(MX6Q_##def);
254#define SETUP_IOMUX_PADS(x) \
255 imx_iomux_v3_setup_multiple_pads(x, ARRAY_SIZE(x))
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256#elif defined(CONFIG_MX6UL)
257#define IOMUX_PADS(x) MX6_##x
258#define SETUP_IOMUX_PAD(def) \
259 imx_iomux_v3_setup_pad(MX6_##def);
260#define SETUP_IOMUX_PADS(x) \
261 imx_iomux_v3_setup_multiple_pads(x, ARRAY_SIZE(x))
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262#else
263#define IOMUX_PADS(x) MX6DL_##x
264#define SETUP_IOMUX_PAD(def) \
265 imx_iomux_v3_setup_pad(MX6DL_##def);
266#define SETUP_IOMUX_PADS(x) \
267 imx_iomux_v3_setup_multiple_pads(x, ARRAY_SIZE(x))
268#endif
269
23608e23 270#endif /* __MACH_IOMUX_V3_H__*/