blob: e8bbb20779d0dc49c8a829598944bafe762ce28e [file] [log] [blame]
Ken Xuedbad75d2015-03-10 15:02:19 +08001/*
2 * GPIO driver for AMD
3 *
4 * Copyright (c) 2014,2015 Ken Xue <Ken.Xue@amd.com>
5 * Jeff Wu <Jeff.Wu@amd.com>
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms and conditions of the GNU General Public License,
9 * version 2, as published by the Free Software Foundation.
10 *
11 */
12
13#ifndef _PINCTRL_AMD_H
14#define _PINCTRL_AMD_H
15
16#define TOTAL_NUMBER_OF_PINS 192
17#define AMD_GPIO_PINS_PER_BANK 64
18#define AMD_GPIO_TOTAL_BANKS 3
19
20#define AMD_GPIO_PINS_BANK0 63
21#define AMD_GPIO_PINS_BANK1 64
22#define AMD_GPIO_PINS_BANK2 56
23
24#define WAKE_INT_MASTER_REG 0xfc
25#define EOI_MASK (1 << 29)
26
27#define WAKE_INT_STATUS_REG0 0x2f8
28#define WAKE_INT_STATUS_REG1 0x2fc
29
30#define DB_TMR_OUT_OFF 0
31#define DB_TMR_OUT_UNIT_OFF 4
32#define DB_CNTRL_OFF 5
33#define DB_TMR_LARGE_OFF 7
34#define LEVEL_TRIG_OFF 8
35#define ACTIVE_LEVEL_OFF 9
36#define INTERRUPT_ENABLE_OFF 11
37#define INTERRUPT_MASK_OFF 12
38#define WAKE_CNTRL_OFF 13
39#define PIN_STS_OFF 16
40#define DRV_STRENGTH_SEL_OFF 17
41#define PULL_UP_SEL_OFF 19
42#define PULL_UP_ENABLE_OFF 20
43#define PULL_DOWN_ENABLE_OFF 21
44#define OUTPUT_VALUE_OFF 22
45#define OUTPUT_ENABLE_OFF 23
46#define SW_CNTRL_IN_OFF 24
47#define SW_CNTRL_EN_OFF 25
48#define INTERRUPT_STS_OFF 28
49#define WAKE_STS_OFF 29
50
51#define DB_TMR_OUT_MASK 0xFUL
52#define DB_CNTRl_MASK 0x3UL
53#define ACTIVE_LEVEL_MASK 0x3UL
54#define DRV_STRENGTH_SEL_MASK 0x3UL
55
56#define DB_TYPE_NO_DEBOUNCE 0x0UL
57#define DB_TYPE_PRESERVE_LOW_GLITCH 0x1UL
58#define DB_TYPE_PRESERVE_HIGH_GLITCH 0x2UL
59#define DB_TYPE_REMOVE_GLITCH 0x3UL
60
61#define EDGE_TRAGGER 0x0UL
62#define LEVEL_TRIGGER 0x1UL
63
64#define ACTIVE_HIGH 0x0UL
65#define ACTIVE_LOW 0x1UL
66#define BOTH_EADGE 0x2UL
67
68#define ENABLE_INTERRUPT 0x1UL
69#define DISABLE_INTERRUPT 0x0UL
70
71#define ENABLE_INTERRUPT_MASK 0x0UL
72#define DISABLE_INTERRUPT_MASK 0x1UL
73
74#define CLR_INTR_STAT 0x1UL
75
76struct amd_pingroup {
77 const char *name;
78 const unsigned *pins;
79 unsigned npins;
80};
81
82struct amd_function {
83 const char *name;
84 const char * const *groups;
85 unsigned ngroups;
86};
87
88struct amd_gpio {
89 spinlock_t lock;
90 void __iomem *base;
91
92 const struct amd_pingroup *groups;
93 u32 ngroups;
94 struct pinctrl_dev *pctrl;
95 struct gpio_chip gc;
96 struct resource *res;
97 struct platform_device *pdev;
Daniel Drake6053a5f2017-09-11 14:11:56 +080098 u32 *saved_regs;
Ken Xuedbad75d2015-03-10 15:02:19 +080099};
100
101/* KERNCZ configuration*/
102static const struct pinctrl_pin_desc kerncz_pins[] = {
103 PINCTRL_PIN(0, "GPIO_0"),
104 PINCTRL_PIN(1, "GPIO_1"),
105 PINCTRL_PIN(2, "GPIO_2"),
106 PINCTRL_PIN(3, "GPIO_3"),
107 PINCTRL_PIN(4, "GPIO_4"),
108 PINCTRL_PIN(5, "GPIO_5"),
109 PINCTRL_PIN(6, "GPIO_6"),
110 PINCTRL_PIN(7, "GPIO_7"),
111 PINCTRL_PIN(8, "GPIO_8"),
112 PINCTRL_PIN(9, "GPIO_9"),
113 PINCTRL_PIN(10, "GPIO_10"),
114 PINCTRL_PIN(11, "GPIO_11"),
115 PINCTRL_PIN(12, "GPIO_12"),
116 PINCTRL_PIN(13, "GPIO_13"),
117 PINCTRL_PIN(14, "GPIO_14"),
118 PINCTRL_PIN(15, "GPIO_15"),
119 PINCTRL_PIN(16, "GPIO_16"),
120 PINCTRL_PIN(17, "GPIO_17"),
121 PINCTRL_PIN(18, "GPIO_18"),
122 PINCTRL_PIN(19, "GPIO_19"),
123 PINCTRL_PIN(20, "GPIO_20"),
124 PINCTRL_PIN(23, "GPIO_23"),
125 PINCTRL_PIN(24, "GPIO_24"),
126 PINCTRL_PIN(25, "GPIO_25"),
127 PINCTRL_PIN(26, "GPIO_26"),
128 PINCTRL_PIN(39, "GPIO_39"),
129 PINCTRL_PIN(40, "GPIO_40"),
130 PINCTRL_PIN(43, "GPIO_42"),
131 PINCTRL_PIN(46, "GPIO_46"),
132 PINCTRL_PIN(47, "GPIO_47"),
133 PINCTRL_PIN(48, "GPIO_48"),
134 PINCTRL_PIN(49, "GPIO_49"),
135 PINCTRL_PIN(50, "GPIO_50"),
136 PINCTRL_PIN(51, "GPIO_51"),
137 PINCTRL_PIN(52, "GPIO_52"),
138 PINCTRL_PIN(53, "GPIO_53"),
139 PINCTRL_PIN(54, "GPIO_54"),
140 PINCTRL_PIN(55, "GPIO_55"),
141 PINCTRL_PIN(56, "GPIO_56"),
142 PINCTRL_PIN(57, "GPIO_57"),
143 PINCTRL_PIN(58, "GPIO_58"),
144 PINCTRL_PIN(59, "GPIO_59"),
145 PINCTRL_PIN(60, "GPIO_60"),
146 PINCTRL_PIN(61, "GPIO_61"),
147 PINCTRL_PIN(62, "GPIO_62"),
148 PINCTRL_PIN(64, "GPIO_64"),
149 PINCTRL_PIN(65, "GPIO_65"),
150 PINCTRL_PIN(66, "GPIO_66"),
151 PINCTRL_PIN(68, "GPIO_68"),
152 PINCTRL_PIN(69, "GPIO_69"),
153 PINCTRL_PIN(70, "GPIO_70"),
154 PINCTRL_PIN(71, "GPIO_71"),
155 PINCTRL_PIN(72, "GPIO_72"),
156 PINCTRL_PIN(74, "GPIO_74"),
157 PINCTRL_PIN(75, "GPIO_75"),
158 PINCTRL_PIN(76, "GPIO_76"),
159 PINCTRL_PIN(84, "GPIO_84"),
160 PINCTRL_PIN(85, "GPIO_85"),
161 PINCTRL_PIN(86, "GPIO_86"),
162 PINCTRL_PIN(87, "GPIO_87"),
163 PINCTRL_PIN(88, "GPIO_88"),
164 PINCTRL_PIN(89, "GPIO_89"),
165 PINCTRL_PIN(90, "GPIO_90"),
166 PINCTRL_PIN(91, "GPIO_91"),
167 PINCTRL_PIN(92, "GPIO_92"),
168 PINCTRL_PIN(93, "GPIO_93"),
169 PINCTRL_PIN(95, "GPIO_95"),
170 PINCTRL_PIN(96, "GPIO_96"),
171 PINCTRL_PIN(97, "GPIO_97"),
172 PINCTRL_PIN(98, "GPIO_98"),
173 PINCTRL_PIN(99, "GPIO_99"),
174 PINCTRL_PIN(100, "GPIO_100"),
175 PINCTRL_PIN(101, "GPIO_101"),
176 PINCTRL_PIN(102, "GPIO_102"),
177 PINCTRL_PIN(113, "GPIO_113"),
178 PINCTRL_PIN(114, "GPIO_114"),
179 PINCTRL_PIN(115, "GPIO_115"),
180 PINCTRL_PIN(116, "GPIO_116"),
181 PINCTRL_PIN(117, "GPIO_117"),
182 PINCTRL_PIN(118, "GPIO_118"),
183 PINCTRL_PIN(119, "GPIO_119"),
184 PINCTRL_PIN(120, "GPIO_120"),
185 PINCTRL_PIN(121, "GPIO_121"),
186 PINCTRL_PIN(122, "GPIO_122"),
187 PINCTRL_PIN(126, "GPIO_126"),
188 PINCTRL_PIN(129, "GPIO_129"),
189 PINCTRL_PIN(130, "GPIO_130"),
190 PINCTRL_PIN(131, "GPIO_131"),
191 PINCTRL_PIN(132, "GPIO_132"),
192 PINCTRL_PIN(133, "GPIO_133"),
193 PINCTRL_PIN(135, "GPIO_135"),
194 PINCTRL_PIN(136, "GPIO_136"),
195 PINCTRL_PIN(137, "GPIO_137"),
196 PINCTRL_PIN(138, "GPIO_138"),
197 PINCTRL_PIN(139, "GPIO_139"),
198 PINCTRL_PIN(140, "GPIO_140"),
199 PINCTRL_PIN(141, "GPIO_141"),
200 PINCTRL_PIN(142, "GPIO_142"),
201 PINCTRL_PIN(143, "GPIO_143"),
202 PINCTRL_PIN(144, "GPIO_144"),
203 PINCTRL_PIN(145, "GPIO_145"),
204 PINCTRL_PIN(146, "GPIO_146"),
205 PINCTRL_PIN(147, "GPIO_147"),
206 PINCTRL_PIN(148, "GPIO_148"),
207 PINCTRL_PIN(166, "GPIO_166"),
208 PINCTRL_PIN(167, "GPIO_167"),
209 PINCTRL_PIN(168, "GPIO_168"),
210 PINCTRL_PIN(169, "GPIO_169"),
211 PINCTRL_PIN(170, "GPIO_170"),
212 PINCTRL_PIN(171, "GPIO_171"),
213 PINCTRL_PIN(172, "GPIO_172"),
214 PINCTRL_PIN(173, "GPIO_173"),
215 PINCTRL_PIN(174, "GPIO_174"),
216 PINCTRL_PIN(175, "GPIO_175"),
217 PINCTRL_PIN(176, "GPIO_176"),
218 PINCTRL_PIN(177, "GPIO_177"),
219};
220
Ken Xue25a853d2015-03-27 17:44:26 +0800221static const unsigned i2c0_pins[] = {145, 146};
222static const unsigned i2c1_pins[] = {147, 148};
223static const unsigned i2c2_pins[] = {113, 114};
224static const unsigned i2c3_pins[] = {19, 20};
Ken Xuedbad75d2015-03-10 15:02:19 +0800225
Ken Xue25a853d2015-03-27 17:44:26 +0800226static const unsigned uart0_pins[] = {135, 136, 137, 138, 139};
227static const unsigned uart1_pins[] = {140, 141, 142, 143, 144};
Ken Xuedbad75d2015-03-10 15:02:19 +0800228
229static const struct amd_pingroup kerncz_groups[] = {
230 {
231 .name = "i2c0",
232 .pins = i2c0_pins,
233 .npins = 2,
234 },
235 {
236 .name = "i2c1",
237 .pins = i2c1_pins,
238 .npins = 2,
239 },
240 {
241 .name = "i2c2",
242 .pins = i2c2_pins,
243 .npins = 2,
244 },
245 {
246 .name = "i2c3",
247 .pins = i2c3_pins,
248 .npins = 2,
249 },
250 {
251 .name = "uart0",
252 .pins = uart0_pins,
253 .npins = 9,
254 },
255 {
256 .name = "uart1",
257 .pins = uart1_pins,
258 .npins = 5,
259 },
260};
261
262#endif