1 /*
2 * Driver for the U300 pin controller
3 *
4 * Based on the original U300 padmux functions
5 * Copyright (C) 2009-2011 ST-Ericsson AB
6 * Author: Martin Persson <martin.persson@stericsson.com>
7 * Author: Linus Walleij <linus.walleij@linaro.org>
8 *
9 * The DB3350 design and control registers are oriented around pads rather than
10 * pins, so we enumerate the pads we can mux rather than actual pins. The pads
11 * are connected to different pins in different packaging types, so it would
12 * be confusing.
13 */
14 #include <linux/init.h>
15 #include <linux/module.h>
16 #include <linux/platform_device.h>
17 #include <linux/io.h>
18 #include <linux/slab.h>
19 #include <linux/err.h>
20 #include <linux/pinctrl/pinctrl.h>
21 #include <linux/pinctrl/pinmux.h>
22 #include <linux/pinctrl/pinconf.h>
23 #include <linux/pinctrl/pinconf-generic.h>
24 #include "pinctrl-coh901.h"
25
26 /*
27 * Register definitions for the U300 Padmux control registers in the
28 * system controller
29 */
30
31 /* PAD MUX Control register 1 (LOW) 16bit (R/W) */
32 #define U300_SYSCON_PMC1LR 0x007C
33 #define U300_SYSCON_PMC1LR_MASK 0xFFFF
34 #define U300_SYSCON_PMC1LR_CDI_MASK 0xC000
35 #define U300_SYSCON_PMC1LR_CDI_CDI 0x0000
36 #define U300_SYSCON_PMC1LR_CDI_EMIF 0x4000
37 /* For BS335 */
38 #define U300_SYSCON_PMC1LR_CDI_CDI2 0x8000
39 #define U300_SYSCON_PMC1LR_CDI_WCDMA_APP_GPIO 0xC000
40 /* For BS365 */
41 #define U300_SYSCON_PMC1LR_CDI_GPIO 0x8000
42 #define U300_SYSCON_PMC1LR_CDI_WCDMA 0xC000
43 /* Common defs */
44 #define U300_SYSCON_PMC1LR_PDI_MASK 0x3000
45 #define U300_SYSCON_PMC1LR_PDI_PDI 0x0000
46 #define U300_SYSCON_PMC1LR_PDI_EGG 0x1000
47 #define U300_SYSCON_PMC1LR_PDI_WCDMA 0x3000
48 #define U300_SYSCON_PMC1LR_MMCSD_MASK 0x0C00
49 #define U300_SYSCON_PMC1LR_MMCSD_MMCSD 0x0000
50 #define U300_SYSCON_PMC1LR_MMCSD_MSPRO 0x0400
51 #define U300_SYSCON_PMC1LR_MMCSD_DSP 0x0800
52 #define U300_SYSCON_PMC1LR_MMCSD_WCDMA 0x0C00
53 #define U300_SYSCON_PMC1LR_ETM_MASK 0x0300
54 #define U300_SYSCON_PMC1LR_ETM_ACC 0x0000
55 #define U300_SYSCON_PMC1LR_ETM_APP 0x0100
56 #define U300_SYSCON_PMC1LR_EMIF_1_CS2_MASK 0x00C0
57 #define U300_SYSCON_PMC1LR_EMIF_1_CS2_STATIC 0x0000
58 #define U300_SYSCON_PMC1LR_EMIF_1_CS2_NFIF 0x0040
59 #define U300_SYSCON_PMC1LR_EMIF_1_CS2_SDRAM 0x0080
60 #define U300_SYSCON_PMC1LR_EMIF_1_CS2_STATIC_2GB 0x00C0
61 #define U300_SYSCON_PMC1LR_EMIF_1_CS1_MASK 0x0030
62 #define U300_SYSCON_PMC1LR_EMIF_1_CS1_STATIC 0x0000
63 #define U300_SYSCON_PMC1LR_EMIF_1_CS1_NFIF 0x0010
64 #define U300_SYSCON_PMC1LR_EMIF_1_CS1_SDRAM 0x0020
65 #define U300_SYSCON_PMC1LR_EMIF_1_CS1_SEMI 0x0030
66 #define U300_SYSCON_PMC1LR_EMIF_1_CS0_MASK 0x000C
67 #define U300_SYSCON_PMC1LR_EMIF_1_CS0_STATIC 0x0000
68 #define U300_SYSCON_PMC1LR_EMIF_1_CS0_NFIF 0x0004
69 #define U300_SYSCON_PMC1LR_EMIF_1_CS0_SDRAM 0x0008
70 #define U300_SYSCON_PMC1LR_EMIF_1_CS0_SEMI 0x000C
71 #define U300_SYSCON_PMC1LR_EMIF_1_MASK 0x0003
72 #define U300_SYSCON_PMC1LR_EMIF_1_STATIC 0x0000
73 #define U300_SYSCON_PMC1LR_EMIF_1_SDRAM0 0x0001
74 #define U300_SYSCON_PMC1LR_EMIF_1_SDRAM1 0x0002
75 #define U300_SYSCON_PMC1LR_EMIF_1 0x0003
76 /* PAD MUX Control register 2 (HIGH) 16bit (R/W) */
77 #define U300_SYSCON_PMC1HR 0x007E
78 #define U300_SYSCON_PMC1HR_MASK 0xFFFF
79 #define U300_SYSCON_PMC1HR_MISC_2_MASK 0xC000
80 #define U300_SYSCON_PMC1HR_MISC_2_APP_GPIO 0x0000
81 #define U300_SYSCON_PMC1HR_MISC_2_MSPRO 0x4000
82 #define U300_SYSCON_PMC1HR_MISC_2_DSP 0x8000
83 #define U300_SYSCON_PMC1HR_MISC_2_AAIF 0xC000
84 #define U300_SYSCON_PMC1HR_APP_GPIO_2_MASK 0x3000
85 #define U300_SYSCON_PMC1HR_APP_GPIO_2_APP_GPIO 0x0000
86 #define U300_SYSCON_PMC1HR_APP_GPIO_2_NFIF 0x1000
87 #define U300_SYSCON_PMC1HR_APP_GPIO_2_DSP 0x2000
88 #define U300_SYSCON_PMC1HR_APP_GPIO_2_AAIF 0x3000
89 #define U300_SYSCON_PMC1HR_APP_GPIO_1_MASK 0x0C00
90 #define U300_SYSCON_PMC1HR_APP_GPIO_1_APP_GPIO 0x0000
91 #define U300_SYSCON_PMC1HR_APP_GPIO_1_MMC 0x0400
92 #define U300_SYSCON_PMC1HR_APP_GPIO_1_DSP 0x0800
93 #define U300_SYSCON_PMC1HR_APP_GPIO_1_AAIF 0x0C00
94 #define U300_SYSCON_PMC1HR_APP_SPI_CS_2_MASK 0x0300
95 #define U300_SYSCON_PMC1HR_APP_SPI_CS_2_APP_GPIO 0x0000
96 #define U300_SYSCON_PMC1HR_APP_SPI_CS_2_SPI 0x0100
97 #define U300_SYSCON_PMC1HR_APP_SPI_CS_2_AAIF 0x0300
98 #define U300_SYSCON_PMC1HR_APP_SPI_CS_1_MASK 0x00C0
99 #define U300_SYSCON_PMC1HR_APP_SPI_CS_1_APP_GPIO 0x0000
100 #define U300_SYSCON_PMC1HR_APP_SPI_CS_1_SPI 0x0040
101 #define U300_SYSCON_PMC1HR_APP_SPI_CS_1_AAIF 0x00C0
102 #define U300_SYSCON_PMC1HR_APP_SPI_2_MASK 0x0030
103 #define U300_SYSCON_PMC1HR_APP_SPI_2_APP_GPIO 0x0000
104 #define U300_SYSCON_PMC1HR_APP_SPI_2_SPI 0x0010
105 #define U300_SYSCON_PMC1HR_APP_SPI_2_DSP 0x0020
106 #define U300_SYSCON_PMC1HR_APP_SPI_2_AAIF 0x0030
107 #define U300_SYSCON_PMC1HR_APP_UART0_2_MASK 0x000C
108 #define U300_SYSCON_PMC1HR_APP_UART0_2_APP_GPIO 0x0000
109 #define U300_SYSCON_PMC1HR_APP_UART0_2_UART0 0x0004
110 #define U300_SYSCON_PMC1HR_APP_UART0_2_NFIF_CS 0x0008
111 #define U300_SYSCON_PMC1HR_APP_UART0_2_AAIF 0x000C
112 #define U300_SYSCON_PMC1HR_APP_UART0_1_MASK 0x0003
113 #define U300_SYSCON_PMC1HR_APP_UART0_1_APP_GPIO 0x0000
114 #define U300_SYSCON_PMC1HR_APP_UART0_1_UART0 0x0001
115 #define U300_SYSCON_PMC1HR_APP_UART0_1_AAIF 0x0003
116 /* Padmux 2 control */
117 #define U300_SYSCON_PMC2R 0x100
118 #define U300_SYSCON_PMC2R_APP_MISC_0_MASK 0x00C0
119 #define U300_SYSCON_PMC2R_APP_MISC_0_APP_GPIO 0x0000
120 #define U300_SYSCON_PMC2R_APP_MISC_0_EMIF_SDRAM 0x0040
121 #define U300_SYSCON_PMC2R_APP_MISC_0_MMC 0x0080
122 #define U300_SYSCON_PMC2R_APP_MISC_0_CDI2 0x00C0
123 #define U300_SYSCON_PMC2R_APP_MISC_1_MASK 0x0300
124 #define U300_SYSCON_PMC2R_APP_MISC_1_APP_GPIO 0x0000
125 #define U300_SYSCON_PMC2R_APP_MISC_1_EMIF_SDRAM 0x0100
126 #define U300_SYSCON_PMC2R_APP_MISC_1_MMC 0x0200
127 #define U300_SYSCON_PMC2R_APP_MISC_1_CDI2 0x0300
128 #define U300_SYSCON_PMC2R_APP_MISC_2_MASK 0x0C00
129 #define U300_SYSCON_PMC2R_APP_MISC_2_APP_GPIO 0x0000
130 #define U300_SYSCON_PMC2R_APP_MISC_2_EMIF_SDRAM 0x0400
131 #define U300_SYSCON_PMC2R_APP_MISC_2_MMC 0x0800
132 #define U300_SYSCON_PMC2R_APP_MISC_2_CDI2 0x0C00
133 #define U300_SYSCON_PMC2R_APP_MISC_3_MASK 0x3000
134 #define U300_SYSCON_PMC2R_APP_MISC_3_APP_GPIO 0x0000
135 #define U300_SYSCON_PMC2R_APP_MISC_3_EMIF_SDRAM 0x1000
136 #define U300_SYSCON_PMC2R_APP_MISC_3_MMC 0x2000
137 #define U300_SYSCON_PMC2R_APP_MISC_3_CDI2 0x3000
138 #define U300_SYSCON_PMC2R_APP_MISC_4_MASK 0xC000
139 #define U300_SYSCON_PMC2R_APP_MISC_4_APP_GPIO 0x0000
140 #define U300_SYSCON_PMC2R_APP_MISC_4_EMIF_SDRAM 0x4000
141 #define U300_SYSCON_PMC2R_APP_MISC_4_MMC 0x8000
142 #define U300_SYSCON_PMC2R_APP_MISC_4_ACC_GPIO 0xC000
143 /* TODO: More SYSCON registers missing */
144 #define U300_SYSCON_PMC3R 0x10C
145 #define U300_SYSCON_PMC3R_APP_MISC_11_MASK 0xC000
146 #define U300_SYSCON_PMC3R_APP_MISC_11_SPI 0x4000
147 #define U300_SYSCON_PMC3R_APP_MISC_10_MASK 0x3000
148 #define U300_SYSCON_PMC3R_APP_MISC_10_SPI 0x1000
149 /* TODO: Missing other configs */
150 #define U300_SYSCON_PMC4R 0x168
151 #define U300_SYSCON_PMC4R_APP_MISC_12_MASK 0x0003
152 #define U300_SYSCON_PMC4R_APP_MISC_12_APP_GPIO 0x0000
153 #define U300_SYSCON_PMC4R_APP_MISC_13_MASK 0x000C
154 #define U300_SYSCON_PMC4R_APP_MISC_13_CDI 0x0000
155 #define U300_SYSCON_PMC4R_APP_MISC_13_SMIA 0x0004
156 #define U300_SYSCON_PMC4R_APP_MISC_13_SMIA2 0x0008
157 #define U300_SYSCON_PMC4R_APP_MISC_13_APP_GPIO 0x000C
158 #define U300_SYSCON_PMC4R_APP_MISC_14_MASK 0x0030
159 #define U300_SYSCON_PMC4R_APP_MISC_14_CDI 0x0000
160 #define U300_SYSCON_PMC4R_APP_MISC_14_SMIA 0x0010
161 #define U300_SYSCON_PMC4R_APP_MISC_14_CDI2 0x0020
162 #define U300_SYSCON_PMC4R_APP_MISC_14_APP_GPIO 0x0030
163 #define U300_SYSCON_PMC4R_APP_MISC_16_MASK 0x0300
164 #define U300_SYSCON_PMC4R_APP_MISC_16_APP_GPIO_13 0x0000
165 #define U300_SYSCON_PMC4R_APP_MISC_16_APP_UART1_CTS 0x0100
166 #define U300_SYSCON_PMC4R_APP_MISC_16_EMIF_1_STATIC_CS5_N 0x0200
167
168 #define DRIVER_NAME "pinctrl-u300"
169
170 /*
171 * The DB3350 has 467 pads, I have enumerated the pads clockwise around the
172 * edges of the silicon, finger by finger. LTCORNER upper left is pad 0.
173 * Data taken from the PadRing chart, arranged like this:
174 *
175 * 0 ..... 104
176 * 466 105
177 * . .
178 * . .
179 * 358 224
180 * 357 .... 225
181 */
182 #define U300_NUM_PADS 467
183
184 /* Pad names for the pinmux subsystem */
185 static const struct pinctrl_pin_desc u300_pads[] = {
186 /* Pads along the top edge of the chip */
187 PINCTRL_PIN(0, "P PAD VDD 28"),
188 PINCTRL_PIN(1, "P PAD GND 28"),
189 PINCTRL_PIN(2, "PO SIM RST N"),
190 PINCTRL_PIN(3, "VSSIO 25"),
191 PINCTRL_PIN(4, "VSSA ADDA ESDSUB"),
192 PINCTRL_PIN(5, "PWR VSSCOMMON"),
193 PINCTRL_PIN(6, "PI ADC I1 POS"),
194 PINCTRL_PIN(7, "PI ADC I1 NEG"),
195 PINCTRL_PIN(8, "PWR VSSAD0"),
196 PINCTRL_PIN(9, "PWR VCCAD0"),
197 PINCTRL_PIN(10, "PI ADC Q1 NEG"),
198 PINCTRL_PIN(11, "PI ADC Q1 POS"),
199 PINCTRL_PIN(12, "PWR VDDAD"),
200 PINCTRL_PIN(13, "PWR GNDAD"),
201 PINCTRL_PIN(14, "PI ADC I2 POS"),
202 PINCTRL_PIN(15, "PI ADC I2 NEG"),
203 PINCTRL_PIN(16, "PWR VSSAD1"),
204 PINCTRL_PIN(17, "PWR VCCAD1"),
205 PINCTRL_PIN(18, "PI ADC Q2 NEG"),
206 PINCTRL_PIN(19, "PI ADC Q2 POS"),
207 PINCTRL_PIN(20, "VSSA ADDA ESDSUB"),
208 PINCTRL_PIN(21, "PWR VCCGPAD"),
209 PINCTRL_PIN(22, "PI TX POW"),
210 PINCTRL_PIN(23, "PWR VSSGPAD"),
211 PINCTRL_PIN(24, "PO DAC I POS"),
212 PINCTRL_PIN(25, "PO DAC I NEG"),
213 PINCTRL_PIN(26, "PO DAC Q POS"),
214 PINCTRL_PIN(27, "PO DAC Q NEG"),
215 PINCTRL_PIN(28, "PWR VSSDA"),
216 PINCTRL_PIN(29, "PWR VCCDA"),
217 PINCTRL_PIN(30, "VSSA ADDA ESDSUB"),
218 PINCTRL_PIN(31, "P PAD VDDIO 11"),
219 PINCTRL_PIN(32, "PI PLL 26 FILTVDD"),
220 PINCTRL_PIN(33, "PI PLL 26 VCONT"),
221 PINCTRL_PIN(34, "PWR AGNDPLL2V5 32 13"),
222 PINCTRL_PIN(35, "PWR AVDDPLL2V5 32 13"),
223 PINCTRL_PIN(36, "VDDA PLL ESD"),
224 PINCTRL_PIN(37, "VSSA PLL ESD"),
225 PINCTRL_PIN(38, "VSS PLL"),
226 PINCTRL_PIN(39, "VDDC PLL"),
227 PINCTRL_PIN(40, "PWR AGNDPLL2V5 26 60"),
228 PINCTRL_PIN(41, "PWR AVDDPLL2V5 26 60"),
229 PINCTRL_PIN(42, "PWR AVDDPLL2V5 26 208"),
230 PINCTRL_PIN(43, "PWR AGNDPLL2V5 26 208"),
231 PINCTRL_PIN(44, "PWR AVDDPLL2V5 13 208"),
232 PINCTRL_PIN(45, "PWR AGNDPLL2V5 13 208"),
233 PINCTRL_PIN(46, "P PAD VSSIO 11"),
234 PINCTRL_PIN(47, "P PAD VSSIO 12"),
235 PINCTRL_PIN(48, "PI POW RST N"),
236 PINCTRL_PIN(49, "VDDC IO"),
237 PINCTRL_PIN(50, "P PAD VDDIO 16"),
238 PINCTRL_PIN(51, "PO RF WCDMA EN 4"),
239 PINCTRL_PIN(52, "PO RF WCDMA EN 3"),
240 PINCTRL_PIN(53, "PO RF WCDMA EN 2"),
241 PINCTRL_PIN(54, "PO RF WCDMA EN 1"),
242 PINCTRL_PIN(55, "PO RF WCDMA EN 0"),
243 PINCTRL_PIN(56, "PO GSM PA ENABLE"),
244 PINCTRL_PIN(57, "PO RF DATA STRB"),
245 PINCTRL_PIN(58, "PO RF DATA2"),
246 PINCTRL_PIN(59, "PIO RF DATA1"),
247 PINCTRL_PIN(60, "PIO RF DATA0"),
248 PINCTRL_PIN(61, "P PAD VDD 11"),
249 PINCTRL_PIN(62, "P PAD GND 11"),
250 PINCTRL_PIN(63, "P PAD VSSIO 16"),
251 PINCTRL_PIN(64, "P PAD VDDIO 18"),
252 PINCTRL_PIN(65, "PO RF CTRL STRB2"),
253 PINCTRL_PIN(66, "PO RF CTRL STRB1"),
254 PINCTRL_PIN(67, "PO RF CTRL STRB0"),
255 PINCTRL_PIN(68, "PIO RF CTRL DATA"),
256 PINCTRL_PIN(69, "PO RF CTRL CLK"),
257 PINCTRL_PIN(70, "PO TX ADC STRB"),
258 PINCTRL_PIN(71, "PO ANT SW 2"),
259 PINCTRL_PIN(72, "PO ANT SW 3"),
260 PINCTRL_PIN(73, "PO ANT SW 0"),
261 PINCTRL_PIN(74, "PO ANT SW 1"),
262 PINCTRL_PIN(75, "PO M CLKRQ"),
263 PINCTRL_PIN(76, "PI M CLK"),
264 PINCTRL_PIN(77, "PI RTC CLK"),
265 PINCTRL_PIN(78, "P PAD VDD 8"),
266 PINCTRL_PIN(79, "P PAD GND 8"),
267 PINCTRL_PIN(80, "P PAD VSSIO 13"),
268 PINCTRL_PIN(81, "P PAD VDDIO 13"),
269 PINCTRL_PIN(82, "PO SYS 1 CLK"),
270 PINCTRL_PIN(83, "PO SYS 2 CLK"),
271 PINCTRL_PIN(84, "PO SYS 0 CLK"),
272 PINCTRL_PIN(85, "PI SYS 0 CLKRQ"),
273 PINCTRL_PIN(86, "PO PWR MNGT CTRL 1"),
274 PINCTRL_PIN(87, "PO PWR MNGT CTRL 0"),
275 PINCTRL_PIN(88, "PO RESOUT2 RST N"),
276 PINCTRL_PIN(89, "PO RESOUT1 RST N"),
277 PINCTRL_PIN(90, "PO RESOUT0 RST N"),
278 PINCTRL_PIN(91, "PI SERVICE N"),
279 PINCTRL_PIN(92, "P PAD VDD 29"),
280 PINCTRL_PIN(93, "P PAD GND 29"),
281 PINCTRL_PIN(94, "P PAD VSSIO 8"),
282 PINCTRL_PIN(95, "P PAD VDDIO 8"),
283 PINCTRL_PIN(96, "PI EXT IRQ1 N"),
284 PINCTRL_PIN(97, "PI EXT IRQ0 N"),
285 PINCTRL_PIN(98, "PIO DC ON"),
286 PINCTRL_PIN(99, "PIO ACC APP I2C DATA"),
287 PINCTRL_PIN(100, "PIO ACC APP I2C CLK"),
288 PINCTRL_PIN(101, "P PAD VDD 12"),
289 PINCTRL_PIN(102, "P PAD GND 12"),
290 PINCTRL_PIN(103, "P PAD VSSIO 14"),
291 PINCTRL_PIN(104, "P PAD VDDIO 14"),
292 /* Pads along the right edge of the chip */
293 PINCTRL_PIN(105, "PIO APP I2C1 DATA"),
294 PINCTRL_PIN(106, "PIO APP I2C1 CLK"),
295 PINCTRL_PIN(107, "PO KEY OUT0"),
296 PINCTRL_PIN(108, "PO KEY OUT1"),
297 PINCTRL_PIN(109, "PO KEY OUT2"),
298 PINCTRL_PIN(110, "PO KEY OUT3"),
299 PINCTRL_PIN(111, "PO KEY OUT4"),
300 PINCTRL_PIN(112, "PI KEY IN0"),
301 PINCTRL_PIN(113, "PI KEY IN1"),
302 PINCTRL_PIN(114, "PI KEY IN2"),
303 PINCTRL_PIN(115, "P PAD VDDIO 15"),
304 PINCTRL_PIN(116, "P PAD VSSIO 15"),
305 PINCTRL_PIN(117, "P PAD GND 13"),
306 PINCTRL_PIN(118, "P PAD VDD 13"),
307 PINCTRL_PIN(119, "PI KEY IN3"),
308 PINCTRL_PIN(120, "PI KEY IN4"),
309 PINCTRL_PIN(121, "PI KEY IN5"),
310 PINCTRL_PIN(122, "PIO APP PCM I2S1 DATA B"),
311 PINCTRL_PIN(123, "PIO APP PCM I2S1 DATA A"),
312 PINCTRL_PIN(124, "PIO APP PCM I2S1 WS"),
313 PINCTRL_PIN(125, "PIO APP PCM I2S1 CLK"),
314 PINCTRL_PIN(126, "PIO APP PCM I2S0 DATA B"),
315 PINCTRL_PIN(127, "PIO APP PCM I2S0 DATA A"),
316 PINCTRL_PIN(128, "PIO APP PCM I2S0 WS"),
317 PINCTRL_PIN(129, "PIO APP PCM I2S0 CLK"),
318 PINCTRL_PIN(130, "P PAD VDD 17"),
319 PINCTRL_PIN(131, "P PAD GND 17"),
320 PINCTRL_PIN(132, "P PAD VSSIO 19"),
321 PINCTRL_PIN(133, "P PAD VDDIO 19"),
322 PINCTRL_PIN(134, "UART0 RTS"),
323 PINCTRL_PIN(135, "UART0 CTS"),
324 PINCTRL_PIN(136, "UART0 TX"),
325 PINCTRL_PIN(137, "UART0 RX"),
326 PINCTRL_PIN(138, "PIO ACC SPI DO"),
327 PINCTRL_PIN(139, "PIO ACC SPI DI"),
328 PINCTRL_PIN(140, "PIO ACC SPI CS0 N"),
329 PINCTRL_PIN(141, "PIO ACC SPI CS1 N"),
330 PINCTRL_PIN(142, "PIO ACC SPI CS2 N"),
331 PINCTRL_PIN(143, "PIO ACC SPI CLK"),
332 PINCTRL_PIN(144, "PO PDI EXT RST N"),
333 PINCTRL_PIN(145, "P PAD VDDIO 22"),
334 PINCTRL_PIN(146, "P PAD VSSIO 22"),
335 PINCTRL_PIN(147, "P PAD GND 18"),
336 PINCTRL_PIN(148, "P PAD VDD 18"),
337 PINCTRL_PIN(149, "PIO PDI C0"),
338 PINCTRL_PIN(150, "PIO PDI C1"),
339 PINCTRL_PIN(151, "PIO PDI C2"),
340 PINCTRL_PIN(152, "PIO PDI C3"),
341 PINCTRL_PIN(153, "PIO PDI C4"),
342 PINCTRL_PIN(154, "PIO PDI C5"),
343 PINCTRL_PIN(155, "PIO PDI D0"),
344 PINCTRL_PIN(156, "PIO PDI D1"),
345 PINCTRL_PIN(157, "PIO PDI D2"),
346 PINCTRL_PIN(158, "PIO PDI D3"),
347 PINCTRL_PIN(159, "P PAD VDDIO 21"),
348 PINCTRL_PIN(160, "P PAD VSSIO 21"),
349 PINCTRL_PIN(161, "PIO PDI D4"),
350 PINCTRL_PIN(162, "PIO PDI D5"),
351 PINCTRL_PIN(163, "PIO PDI D6"),
352 PINCTRL_PIN(164, "PIO PDI D7"),
353 PINCTRL_PIN(165, "PIO MS INS"),
354 PINCTRL_PIN(166, "MMC DATA DIR LS"),
355 PINCTRL_PIN(167, "MMC DATA 3"),
356 PINCTRL_PIN(168, "MMC DATA 2"),
357 PINCTRL_PIN(169, "MMC DATA 1"),
358 PINCTRL_PIN(170, "MMC DATA 0"),
359 PINCTRL_PIN(171, "MMC CMD DIR LS"),
360 PINCTRL_PIN(172, "P PAD VDD 27"),
361 PINCTRL_PIN(173, "P PAD GND 27"),
362 PINCTRL_PIN(174, "P PAD VSSIO 20"),
363 PINCTRL_PIN(175, "P PAD VDDIO 20"),
364 PINCTRL_PIN(176, "MMC CMD"),
365 PINCTRL_PIN(177, "MMC CLK"),
366 PINCTRL_PIN(178, "PIO APP GPIO 14"),
367 PINCTRL_PIN(179, "PIO APP GPIO 13"),
368 PINCTRL_PIN(180, "PIO APP GPIO 11"),
369 PINCTRL_PIN(181, "PIO APP GPIO 25"),
370 PINCTRL_PIN(182, "PIO APP GPIO 24"),
371 PINCTRL_PIN(183, "PIO APP GPIO 23"),
372 PINCTRL_PIN(184, "PIO APP GPIO 22"),
373 PINCTRL_PIN(185, "PIO APP GPIO 21"),
374 PINCTRL_PIN(186, "PIO APP GPIO 20"),
375 PINCTRL_PIN(187, "P PAD VDD 19"),
376 PINCTRL_PIN(188, "P PAD GND 19"),
377 PINCTRL_PIN(189, "P PAD VSSIO 23"),
378 PINCTRL_PIN(190, "P PAD VDDIO 23"),
379 PINCTRL_PIN(191, "PIO APP GPIO 19"),
380 PINCTRL_PIN(192, "PIO APP GPIO 18"),
381 PINCTRL_PIN(193, "PIO APP GPIO 17"),
382 PINCTRL_PIN(194, "PIO APP GPIO 16"),
383 PINCTRL_PIN(195, "PI CI D1"),
384 PINCTRL_PIN(196, "PI CI D0"),
385 PINCTRL_PIN(197, "PI CI HSYNC"),
386 PINCTRL_PIN(198, "PI CI VSYNC"),
387 PINCTRL_PIN(199, "PI CI EXT CLK"),
388 PINCTRL_PIN(200, "PO CI EXT RST N"),
389 PINCTRL_PIN(201, "P PAD VSSIO 43"),
390 PINCTRL_PIN(202, "P PAD VDDIO 43"),
391 PINCTRL_PIN(203, "PI CI D6"),
392 PINCTRL_PIN(204, "PI CI D7"),
393 PINCTRL_PIN(205, "PI CI D2"),
394 PINCTRL_PIN(206, "PI CI D3"),
395 PINCTRL_PIN(207, "PI CI D4"),
396 PINCTRL_PIN(208, "PI CI D5"),
397 PINCTRL_PIN(209, "PI CI D8"),
398 PINCTRL_PIN(210, "PI CI D9"),
399 PINCTRL_PIN(211, "P PAD VDD 20"),
400 PINCTRL_PIN(212, "P PAD GND 20"),
401 PINCTRL_PIN(213, "P PAD VSSIO 24"),
402 PINCTRL_PIN(214, "P PAD VDDIO 24"),
403 PINCTRL_PIN(215, "P PAD VDDIO 26"),
404 PINCTRL_PIN(216, "PO EMIF 1 A26"),
405 PINCTRL_PIN(217, "PO EMIF 1 A25"),
406 PINCTRL_PIN(218, "P PAD VSSIO 26"),
407 PINCTRL_PIN(219, "PO EMIF 1 A24"),
408 PINCTRL_PIN(220, "PO EMIF 1 A23"),
409 /* Pads along the bottom edge of the chip */
410 PINCTRL_PIN(221, "PO EMIF 1 A22"),
411 PINCTRL_PIN(222, "PO EMIF 1 A21"),
412 PINCTRL_PIN(223, "P PAD VDD 21"),
413 PINCTRL_PIN(224, "P PAD GND 21"),
414 PINCTRL_PIN(225, "P PAD VSSIO 27"),
415 PINCTRL_PIN(226, "P PAD VDDIO 27"),
416 PINCTRL_PIN(227, "PO EMIF 1 A20"),
417 PINCTRL_PIN(228, "PO EMIF 1 A19"),
418 PINCTRL_PIN(229, "PO EMIF 1 A18"),
419 PINCTRL_PIN(230, "PO EMIF 1 A17"),
420 PINCTRL_PIN(231, "P PAD VDDIO 28"),
421 PINCTRL_PIN(232, "P PAD VSSIO 28"),
422 PINCTRL_PIN(233, "PO EMIF 1 A16"),
423 PINCTRL_PIN(234, "PIO EMIF 1 D15"),
424 PINCTRL_PIN(235, "PO EMIF 1 A15"),
425 PINCTRL_PIN(236, "PIO EMIF 1 D14"),
426 PINCTRL_PIN(237, "P PAD VDD 22"),
427 PINCTRL_PIN(238, "P PAD GND 22"),
428 PINCTRL_PIN(239, "P PAD VSSIO 29"),
429 PINCTRL_PIN(240, "P PAD VDDIO 29"),
430 PINCTRL_PIN(241, "PO EMIF 1 A14"),
431 PINCTRL_PIN(242, "PIO EMIF 1 D13"),
432 PINCTRL_PIN(243, "PO EMIF 1 A13"),
433 PINCTRL_PIN(244, "PIO EMIF 1 D12"),
434 PINCTRL_PIN(245, "P PAD VSSIO 30"),
435 PINCTRL_PIN(246, "P PAD VDDIO 30"),
436 PINCTRL_PIN(247, "PO EMIF 1 A12"),
437 PINCTRL_PIN(248, "PIO EMIF 1 D11"),
438 PINCTRL_PIN(249, "PO EMIF 1 A11"),
439 PINCTRL_PIN(250, "PIO EMIF 1 D10"),
440 PINCTRL_PIN(251, "P PAD VSSIO 31"),
441 PINCTRL_PIN(252, "P PAD VDDIO 31"),
442 PINCTRL_PIN(253, "PO EMIF 1 A10"),
443 PINCTRL_PIN(254, "PIO EMIF 1 D09"),
444 PINCTRL_PIN(255, "PO EMIF 1 A09"),
445 PINCTRL_PIN(256, "P PAD VDDIO 32"),
446 PINCTRL_PIN(257, "P PAD VSSIO 32"),
447 PINCTRL_PIN(258, "P PAD GND 24"),
448 PINCTRL_PIN(259, "P PAD VDD 24"),
449 PINCTRL_PIN(260, "PIO EMIF 1 D08"),
450 PINCTRL_PIN(261, "PO EMIF 1 A08"),
451 PINCTRL_PIN(262, "PIO EMIF 1 D07"),
452 PINCTRL_PIN(263, "PO EMIF 1 A07"),
453 PINCTRL_PIN(264, "P PAD VDDIO 33"),
454 PINCTRL_PIN(265, "P PAD VSSIO 33"),
455 PINCTRL_PIN(266, "PIO EMIF 1 D06"),
456 PINCTRL_PIN(267, "PO EMIF 1 A06"),
457 PINCTRL_PIN(268, "PIO EMIF 1 D05"),
458 PINCTRL_PIN(269, "PO EMIF 1 A05"),
459 PINCTRL_PIN(270, "P PAD VDDIO 34"),
460 PINCTRL_PIN(271, "P PAD VSSIO 34"),
461 PINCTRL_PIN(272, "PIO EMIF 1 D04"),
462 PINCTRL_PIN(273, "PO EMIF 1 A04"),
463 PINCTRL_PIN(274, "PIO EMIF 1 D03"),
464 PINCTRL_PIN(275, "PO EMIF 1 A03"),
465 PINCTRL_PIN(276, "P PAD VDDIO 35"),
466 PINCTRL_PIN(277, "P PAD VSSIO 35"),
467 PINCTRL_PIN(278, "P PAD GND 23"),
468 PINCTRL_PIN(279, "P PAD VDD 23"),
469 PINCTRL_PIN(280, "PIO EMIF 1 D02"),
470 PINCTRL_PIN(281, "PO EMIF 1 A02"),
471 PINCTRL_PIN(282, "PIO EMIF 1 D01"),
472 PINCTRL_PIN(283, "PO EMIF 1 A01"),
473 PINCTRL_PIN(284, "P PAD VDDIO 36"),
474 PINCTRL_PIN(285, "P PAD VSSIO 36"),
475 PINCTRL_PIN(286, "PIO EMIF 1 D00"),
476 PINCTRL_PIN(287, "PO EMIF 1 BE1 N"),
477 PINCTRL_PIN(288, "PO EMIF 1 BE0 N"),
478 PINCTRL_PIN(289, "PO EMIF 1 ADV N"),
479 PINCTRL_PIN(290, "P PAD VDDIO 37"),
480 PINCTRL_PIN(291, "P PAD VSSIO 37"),
481 PINCTRL_PIN(292, "PO EMIF 1 SD CKE0"),
482 PINCTRL_PIN(293, "PO EMIF 1 OE N"),
483 PINCTRL_PIN(294, "PO EMIF 1 WE N"),
484 PINCTRL_PIN(295, "P PAD VDDIO 38"),
485 PINCTRL_PIN(296, "P PAD VSSIO 38"),
486 PINCTRL_PIN(297, "PO EMIF 1 CLK"),
487 PINCTRL_PIN(298, "PIO EMIF 1 SD CLK"),
488 PINCTRL_PIN(299, "P PAD VSSIO 45 (not bonded)"),
489 PINCTRL_PIN(300, "P PAD VDDIO 42"),
490 PINCTRL_PIN(301, "P PAD VSSIO 42"),
491 PINCTRL_PIN(302, "P PAD GND 31"),
492 PINCTRL_PIN(303, "P PAD VDD 31"),
493 PINCTRL_PIN(304, "PI EMIF 1 RET CLK"),
494 PINCTRL_PIN(305, "PI EMIF 1 WAIT N"),
495 PINCTRL_PIN(306, "PI EMIF 1 NFIF READY"),
496 PINCTRL_PIN(307, "PO EMIF 1 SD CKE1"),
497 PINCTRL_PIN(308, "PO EMIF 1 CS3 N"),
498 PINCTRL_PIN(309, "P PAD VDD 25"),
499 PINCTRL_PIN(310, "P PAD GND 25"),
500 PINCTRL_PIN(311, "P PAD VSSIO 39"),
501 PINCTRL_PIN(312, "P PAD VDDIO 39"),
502 PINCTRL_PIN(313, "PO EMIF 1 CS2 N"),
503 PINCTRL_PIN(314, "PO EMIF 1 CS1 N"),
504 PINCTRL_PIN(315, "PO EMIF 1 CS0 N"),
505 PINCTRL_PIN(316, "PO ETM TRACE PKT0"),
506 PINCTRL_PIN(317, "PO ETM TRACE PKT1"),
507 PINCTRL_PIN(318, "PO ETM TRACE PKT2"),
508 PINCTRL_PIN(319, "P PAD VDD 30"),
509 PINCTRL_PIN(320, "P PAD GND 30"),
510 PINCTRL_PIN(321, "P PAD VSSIO 44"),
511 PINCTRL_PIN(322, "P PAD VDDIO 44"),
512 PINCTRL_PIN(323, "PO ETM TRACE PKT3"),
513 PINCTRL_PIN(324, "PO ETM TRACE PKT4"),
514 PINCTRL_PIN(325, "PO ETM TRACE PKT5"),
515 PINCTRL_PIN(326, "PO ETM TRACE PKT6"),
516 PINCTRL_PIN(327, "PO ETM TRACE PKT7"),
517 PINCTRL_PIN(328, "PO ETM PIPE STAT0"),
518 PINCTRL_PIN(329, "P PAD VDD 26"),
519 PINCTRL_PIN(330, "P PAD GND 26"),
520 PINCTRL_PIN(331, "P PAD VSSIO 40"),
521 PINCTRL_PIN(332, "P PAD VDDIO 40"),
522 PINCTRL_PIN(333, "PO ETM PIPE STAT1"),
523 PINCTRL_PIN(334, "PO ETM PIPE STAT2"),
524 PINCTRL_PIN(335, "PO ETM TRACE CLK"),
525 PINCTRL_PIN(336, "PO ETM TRACE SYNC"),
526 PINCTRL_PIN(337, "PIO ACC GPIO 33"),
527 PINCTRL_PIN(338, "PIO ACC GPIO 32"),
528 PINCTRL_PIN(339, "PIO ACC GPIO 30"),
529 PINCTRL_PIN(340, "PIO ACC GPIO 29"),
530 PINCTRL_PIN(341, "P PAD VDDIO 17"),
531 PINCTRL_PIN(342, "P PAD VSSIO 17"),
532 PINCTRL_PIN(343, "P PAD GND 15"),
533 PINCTRL_PIN(344, "P PAD VDD 15"),
534 PINCTRL_PIN(345, "PIO ACC GPIO 28"),
535 PINCTRL_PIN(346, "PIO ACC GPIO 27"),
536 PINCTRL_PIN(347, "PIO ACC GPIO 16"),
537 PINCTRL_PIN(348, "PI TAP TMS"),
538 PINCTRL_PIN(349, "PI TAP TDI"),
539 PINCTRL_PIN(350, "PO TAP TDO"),
540 PINCTRL_PIN(351, "PI TAP RST N"),
541 /* Pads along the left edge of the chip */
542 PINCTRL_PIN(352, "PI EMU MODE 0"),
543 PINCTRL_PIN(353, "PO TAP RET CLK"),
544 PINCTRL_PIN(354, "PI TAP CLK"),
545 PINCTRL_PIN(355, "PO EMIF 0 SD CS N"),
546 PINCTRL_PIN(356, "PO EMIF 0 SD CAS N"),
547 PINCTRL_PIN(357, "PO EMIF 0 SD WE N"),
548 PINCTRL_PIN(358, "P PAD VDDIO 1"),
549 PINCTRL_PIN(359, "P PAD VSSIO 1"),
550 PINCTRL_PIN(360, "P PAD GND 1"),
551 PINCTRL_PIN(361, "P PAD VDD 1"),
552 PINCTRL_PIN(362, "PO EMIF 0 SD CKE"),
553 PINCTRL_PIN(363, "PO EMIF 0 SD DQML"),
554 PINCTRL_PIN(364, "PO EMIF 0 SD DQMU"),
555 PINCTRL_PIN(365, "PO EMIF 0 SD RAS N"),
556 PINCTRL_PIN(366, "PIO EMIF 0 D15"),
557 PINCTRL_PIN(367, "PO EMIF 0 A15"),
558 PINCTRL_PIN(368, "PIO EMIF 0 D14"),
559 PINCTRL_PIN(369, "PO EMIF 0 A14"),
560 PINCTRL_PIN(370, "PIO EMIF 0 D13"),
561 PINCTRL_PIN(371, "PO EMIF 0 A13"),
562 PINCTRL_PIN(372, "P PAD VDDIO 2"),
563 PINCTRL_PIN(373, "P PAD VSSIO 2"),
564 PINCTRL_PIN(374, "P PAD GND 2"),
565 PINCTRL_PIN(375, "P PAD VDD 2"),
566 PINCTRL_PIN(376, "PIO EMIF 0 D12"),
567 PINCTRL_PIN(377, "PO EMIF 0 A12"),
568 PINCTRL_PIN(378, "PIO EMIF 0 D11"),
569 PINCTRL_PIN(379, "PO EMIF 0 A11"),
570 PINCTRL_PIN(380, "PIO EMIF 0 D10"),
571 PINCTRL_PIN(381, "PO EMIF 0 A10"),
572 PINCTRL_PIN(382, "PIO EMIF 0 D09"),
573 PINCTRL_PIN(383, "PO EMIF 0 A09"),
574 PINCTRL_PIN(384, "PIO EMIF 0 D08"),
575 PINCTRL_PIN(385, "PO EMIF 0 A08"),
576 PINCTRL_PIN(386, "PIO EMIF 0 D07"),
577 PINCTRL_PIN(387, "PO EMIF 0 A07"),
578 PINCTRL_PIN(388, "P PAD VDDIO 3"),
579 PINCTRL_PIN(389, "P PAD VSSIO 3"),
580 PINCTRL_PIN(390, "P PAD GND 3"),
581 PINCTRL_PIN(391, "P PAD VDD 3"),
582 PINCTRL_PIN(392, "PO EFUSE RDOUT1"),
583 PINCTRL_PIN(393, "PIO EMIF 0 D06"),
584 PINCTRL_PIN(394, "PO EMIF 0 A06"),
585 PINCTRL_PIN(395, "PIO EMIF 0 D05"),
586 PINCTRL_PIN(396, "PO EMIF 0 A05"),
587 PINCTRL_PIN(397, "PIO EMIF 0 D04"),
588 PINCTRL_PIN(398, "PO EMIF 0 A04"),
589 PINCTRL_PIN(399, "A PADS/A VDDCO1v82v5 GND 80U SF LIN VDDCO AF"),
590 PINCTRL_PIN(400, "PWR VDDCO AF"),
591 PINCTRL_PIN(401, "PWR EFUSE HV1"),
592 PINCTRL_PIN(402, "P PAD VSSIO 4"),
593 PINCTRL_PIN(403, "P PAD VDDIO 4"),
594 PINCTRL_PIN(404, "P PAD GND 4"),
595 PINCTRL_PIN(405, "P PAD VDD 4"),
596 PINCTRL_PIN(406, "PIO EMIF 0 D03"),
597 PINCTRL_PIN(407, "PO EMIF 0 A03"),
598 PINCTRL_PIN(408, "PWR EFUSE HV2"),
599 PINCTRL_PIN(409, "PWR EFUSE HV3"),
600 PINCTRL_PIN(410, "PIO EMIF 0 D02"),
601 PINCTRL_PIN(411, "PO EMIF 0 A02"),
602 PINCTRL_PIN(412, "PIO EMIF 0 D01"),
603 PINCTRL_PIN(413, "P PAD VDDIO 5"),
604 PINCTRL_PIN(414, "P PAD VSSIO 5"),
605 PINCTRL_PIN(415, "P PAD GND 5"),
606 PINCTRL_PIN(416, "P PAD VDD 5"),
607 PINCTRL_PIN(417, "PO EMIF 0 A01"),
608 PINCTRL_PIN(418, "PIO EMIF 0 D00"),
609 PINCTRL_PIN(419, "IF 0 SD CLK"),
610 PINCTRL_PIN(420, "APP SPI CLK"),
611 PINCTRL_PIN(421, "APP SPI DO"),
612 PINCTRL_PIN(422, "APP SPI DI"),
613 PINCTRL_PIN(423, "APP SPI CS0"),
614 PINCTRL_PIN(424, "APP SPI CS1"),
615 PINCTRL_PIN(425, "APP SPI CS2"),
616 PINCTRL_PIN(426, "PIO APP GPIO 10"),
617 PINCTRL_PIN(427, "P PAD VDDIO 41"),
618 PINCTRL_PIN(428, "P PAD VSSIO 41"),
619 PINCTRL_PIN(429, "P PAD GND 6"),
620 PINCTRL_PIN(430, "P PAD VDD 6"),
621 PINCTRL_PIN(431, "PIO ACC SDIO0 CMD"),
622 PINCTRL_PIN(432, "PIO ACC SDIO0 CK"),
623 PINCTRL_PIN(433, "PIO ACC SDIO0 D3"),
624 PINCTRL_PIN(434, "PIO ACC SDIO0 D2"),
625 PINCTRL_PIN(435, "PIO ACC SDIO0 D1"),
626 PINCTRL_PIN(436, "PIO ACC SDIO0 D0"),
627 PINCTRL_PIN(437, "PIO USB PU"),
628 PINCTRL_PIN(438, "PIO USB SP"),
629 PINCTRL_PIN(439, "PIO USB DAT VP"),
630 PINCTRL_PIN(440, "PIO USB SE0 VM"),
631 PINCTRL_PIN(441, "PIO USB OE"),
632 PINCTRL_PIN(442, "PIO USB SUSP"),
633 PINCTRL_PIN(443, "P PAD VSSIO 6"),
634 PINCTRL_PIN(444, "P PAD VDDIO 6"),
635 PINCTRL_PIN(445, "PIO USB PUEN"),
636 PINCTRL_PIN(446, "PIO ACC UART0 RX"),
637 PINCTRL_PIN(447, "PIO ACC UART0 TX"),
638 PINCTRL_PIN(448, "PIO ACC UART0 CTS"),
639 PINCTRL_PIN(449, "PIO ACC UART0 RTS"),
640 PINCTRL_PIN(450, "PIO ACC UART3 RX"),
641 PINCTRL_PIN(451, "PIO ACC UART3 TX"),
642 PINCTRL_PIN(452, "PIO ACC UART3 CTS"),
643 PINCTRL_PIN(453, "PIO ACC UART3 RTS"),
644 PINCTRL_PIN(454, "PIO ACC IRDA TX"),
645 PINCTRL_PIN(455, "P PAD VDDIO 7"),
646 PINCTRL_PIN(456, "P PAD VSSIO 7"),
647 PINCTRL_PIN(457, "P PAD GND 7"),
648 PINCTRL_PIN(458, "P PAD VDD 7"),
649 PINCTRL_PIN(459, "PIO ACC IRDA RX"),
650 PINCTRL_PIN(460, "PIO ACC PCM I2S CLK"),
651 PINCTRL_PIN(461, "PIO ACC PCM I2S WS"),
652 PINCTRL_PIN(462, "PIO ACC PCM I2S DATA A"),
653 PINCTRL_PIN(463, "PIO ACC PCM I2S DATA B"),
654 PINCTRL_PIN(464, "PO SIM CLK"),
655 PINCTRL_PIN(465, "PIO ACC IRDA SD"),
656 PINCTRL_PIN(466, "PIO SIM DATA"),
657 };
658
659 /**
660 * @dev: a pointer back to containing device
661 * @virtbase: the offset to the controller in virtual memory
662 */
663 struct u300_pmx {
664 struct device *dev;
665 struct pinctrl_dev *pctl;
666 u32 phybase;
667 u32 physize;
668 void __iomem *virtbase;
669 };
670
671 /**
672 * u300_pmx_registers - the array of registers read/written for each pinmux
673 * shunt setting
674 */
675 const u32 u300_pmx_registers[] = {
676 U300_SYSCON_PMC1LR,
677 U300_SYSCON_PMC1HR,
678 U300_SYSCON_PMC2R,
679 U300_SYSCON_PMC3R,
680 U300_SYSCON_PMC4R,
681 };
682
683 /**
684 * struct u300_pin_group - describes a U300 pin group
685 * @name: the name of this specific pin group
686 * @pins: an array of discrete physical pins used in this group, taken
687 * from the driver-local pin enumeration space
688 * @num_pins: the number of pins in this group array, i.e. the number of
689 * elements in .pins so we can iterate over that array
690 */
691 struct u300_pin_group {
692 const char *name;
693 const unsigned int *pins;
694 const unsigned num_pins;
695 };
696
697 /**
698 * struct pmx_onmask - mask bits to enable/disable padmux
699 * @mask: mask bits to disable
700 * @val: mask bits to enable
701 *
702 * onmask lazy dog:
703 * onmask = {
704 * {"PMC1LR" mask, "PMC1LR" value},
705 * {"PMC1HR" mask, "PMC1HR" value},
706 * {"PMC2R" mask, "PMC2R" value},
707 * {"PMC3R" mask, "PMC3R" value},
708 * {"PMC4R" mask, "PMC4R" value}
709 * }
710 */
711 struct u300_pmx_mask {
712 u16 mask;
713 u16 bits;
714 };
715
716 /* The chip power pins are VDD, GND, VDDIO and VSSIO */
717 static const unsigned power_pins[] = { 0, 1, 3, 31, 46, 47, 49, 50, 61, 62, 63,
718 64, 78, 79, 80, 81, 92, 93, 94, 95, 101, 102, 103, 104, 115, 116, 117,
719 118, 130, 131, 132, 133, 145, 146, 147, 148, 159, 160, 172, 173, 174,
720 175, 187, 188, 189, 190, 201, 202, 211, 212, 213, 214, 215, 218, 223,
721 224, 225, 226, 231, 232, 237, 238, 239, 240, 245, 246, 251, 252, 256,
722 257, 258, 259, 264, 265, 270, 271, 276, 277, 278, 279, 284, 285, 290,
723 291, 295, 296, 299, 300, 301, 302, 303, 309, 310, 311, 312, 319, 320,
724 321, 322, 329, 330, 331, 332, 341, 342, 343, 344, 358, 359, 360, 361,
725 372, 373, 374, 375, 388, 389, 390, 391, 402, 403, 404, 405, 413, 414,
726 415, 416, 427, 428, 429, 430, 443, 444, 455, 456, 457, 458 };
727 static const unsigned emif0_pins[] = { 355, 356, 357, 362, 363, 364, 365, 366,
728 367, 368, 369, 370, 371, 376, 377, 378, 379, 380, 381, 382, 383, 384,
729 385, 386, 387, 393, 394, 395, 396, 397, 398, 406, 407, 410, 411, 412,
730 417, 418 };
731 static const unsigned emif1_pins[] = { 216, 217, 219, 220, 221, 222, 227, 228,
732 229, 230, 233, 234, 235, 236, 241, 242, 243, 244, 247, 248, 249, 250,
733 253, 254, 255, 260, 261, 262, 263, 266, 267, 268, 269, 272, 273, 274,
734 275, 280, 281, 282, 283, 286, 287, 288, 289, 292, 293, 294, 297, 298,
735 304, 305, 306, 307, 308, 313, 314, 315 };
736 static const unsigned uart0_pins[] = { 134, 135, 136, 137 };
737 static const unsigned mmc0_pins[] = { 166, 167, 168, 169, 170, 171, 176, 177 };
738 static const unsigned spi0_pins[] = { 420, 421, 422, 423, 424, 425 };
739
740 static const struct u300_pmx_mask emif0_mask[] = {
741 {0, 0},
742 {0, 0},
743 {0, 0},
744 {0, 0},
745 {0, 0},
746 };
747
748 static const struct u300_pmx_mask emif1_mask[] = {
749 /*
750 * This connects the SDRAM to CS2 and a NAND flash to
751 * CS0 on the EMIF.
752 */
753 {
754 U300_SYSCON_PMC1LR_EMIF_1_CS2_MASK |
755 U300_SYSCON_PMC1LR_EMIF_1_CS1_MASK |
756 U300_SYSCON_PMC1LR_EMIF_1_CS0_MASK |
757 U300_SYSCON_PMC1LR_EMIF_1_MASK,
758 U300_SYSCON_PMC1LR_EMIF_1_CS2_SDRAM |
759 U300_SYSCON_PMC1LR_EMIF_1_CS1_STATIC |
760 U300_SYSCON_PMC1LR_EMIF_1_CS0_NFIF |
761 U300_SYSCON_PMC1LR_EMIF_1_SDRAM0
762 },
763 {0, 0},
764 {0, 0},
765 {0, 0},
766 {0, 0},
767 };
768
769 static const struct u300_pmx_mask uart0_mask[] = {
770 {0, 0},
771 {
772 U300_SYSCON_PMC1HR_APP_UART0_1_MASK |
773 U300_SYSCON_PMC1HR_APP_UART0_2_MASK,
774 U300_SYSCON_PMC1HR_APP_UART0_1_UART0 |
775 U300_SYSCON_PMC1HR_APP_UART0_2_UART0
776 },
777 {0, 0},
778 {0, 0},
779 {0, 0},
780 };
781
782 static const struct u300_pmx_mask mmc0_mask[] = {
783 { U300_SYSCON_PMC1LR_MMCSD_MASK, U300_SYSCON_PMC1LR_MMCSD_MMCSD},
784 {0, 0},
785 {0, 0},
786 {0, 0},
787 { U300_SYSCON_PMC4R_APP_MISC_12_MASK,
788 U300_SYSCON_PMC4R_APP_MISC_12_APP_GPIO }
789 };
790
791 static const struct u300_pmx_mask spi0_mask[] = {
792 {0, 0},
793 {
794 U300_SYSCON_PMC1HR_APP_SPI_2_MASK |
795 U300_SYSCON_PMC1HR_APP_SPI_CS_1_MASK |
796 U300_SYSCON_PMC1HR_APP_SPI_CS_2_MASK,
797 U300_SYSCON_PMC1HR_APP_SPI_2_SPI |
798 U300_SYSCON_PMC1HR_APP_SPI_CS_1_SPI |
799 U300_SYSCON_PMC1HR_APP_SPI_CS_2_SPI
800 },
801 {0, 0},
802 {0, 0},
803 {0, 0}
804 };
805
806 static const struct u300_pin_group u300_pin_groups[] = {
807 {
808 .name = "powergrp",
809 .pins = power_pins,
810 .num_pins = ARRAY_SIZE(power_pins),
811 },
812 {
813 .name = "emif0grp",
814 .pins = emif0_pins,
815 .num_pins = ARRAY_SIZE(emif0_pins),
816 },
817 {
818 .name = "emif1grp",
819 .pins = emif1_pins,
820 .num_pins = ARRAY_SIZE(emif1_pins),
821 },
822 {
823 .name = "uart0grp",
824 .pins = uart0_pins,
825 .num_pins = ARRAY_SIZE(uart0_pins),
826 },
827 {
828 .name = "mmc0grp",
829 .pins = mmc0_pins,
830 .num_pins = ARRAY_SIZE(mmc0_pins),
831 },
832 {
833 .name = "spi0grp",
834 .pins = spi0_pins,
835 .num_pins = ARRAY_SIZE(spi0_pins),
836 },
837 };
838
u300_list_groups(struct pinctrl_dev * pctldev,unsigned selector)839 static int u300_list_groups(struct pinctrl_dev *pctldev, unsigned selector)
840 {
841 if (selector >= ARRAY_SIZE(u300_pin_groups))
842 return -EINVAL;
843 return 0;
844 }
845
u300_get_group_name(struct pinctrl_dev * pctldev,unsigned selector)846 static const char *u300_get_group_name(struct pinctrl_dev *pctldev,
847 unsigned selector)
848 {
849 if (selector >= ARRAY_SIZE(u300_pin_groups))
850 return NULL;
851 return u300_pin_groups[selector].name;
852 }
853
u300_get_group_pins(struct pinctrl_dev * pctldev,unsigned selector,const unsigned ** pins,unsigned * num_pins)854 static int u300_get_group_pins(struct pinctrl_dev *pctldev, unsigned selector,
855 const unsigned **pins,
856 unsigned *num_pins)
857 {
858 if (selector >= ARRAY_SIZE(u300_pin_groups))
859 return -EINVAL;
860 *pins = u300_pin_groups[selector].pins;
861 *num_pins = u300_pin_groups[selector].num_pins;
862 return 0;
863 }
864
u300_pin_dbg_show(struct pinctrl_dev * pctldev,struct seq_file * s,unsigned offset)865 static void u300_pin_dbg_show(struct pinctrl_dev *pctldev, struct seq_file *s,
866 unsigned offset)
867 {
868 seq_printf(s, " " DRIVER_NAME);
869 }
870
871 static struct pinctrl_ops u300_pctrl_ops = {
872 .list_groups = u300_list_groups,
873 .get_group_name = u300_get_group_name,
874 .get_group_pins = u300_get_group_pins,
875 .pin_dbg_show = u300_pin_dbg_show,
876 };
877
878 /*
879 * Here we define the available functions and their corresponding pin groups
880 */
881
882 /**
883 * struct u300_pmx_func - describes U300 pinmux functions
884 * @name: the name of this specific function
885 * @groups: corresponding pin groups
886 * @onmask: bits to set to enable this when doing pin muxing
887 */
888 struct u300_pmx_func {
889 const char *name;
890 const char * const *groups;
891 const unsigned num_groups;
892 const struct u300_pmx_mask *mask;
893 };
894
895 static const char * const powergrps[] = { "powergrp" };
896 static const char * const emif0grps[] = { "emif0grp" };
897 static const char * const emif1grps[] = { "emif1grp" };
898 static const char * const uart0grps[] = { "uart0grp" };
899 static const char * const mmc0grps[] = { "mmc0grp" };
900 static const char * const spi0grps[] = { "spi0grp" };
901
902 static const struct u300_pmx_func u300_pmx_functions[] = {
903 {
904 .name = "power",
905 .groups = powergrps,
906 .num_groups = ARRAY_SIZE(powergrps),
907 /* Mask is N/A */
908 },
909 {
910 .name = "emif0",
911 .groups = emif0grps,
912 .num_groups = ARRAY_SIZE(emif0grps),
913 .mask = emif0_mask,
914 },
915 {
916 .name = "emif1",
917 .groups = emif1grps,
918 .num_groups = ARRAY_SIZE(emif1grps),
919 .mask = emif1_mask,
920 },
921 {
922 .name = "uart0",
923 .groups = uart0grps,
924 .num_groups = ARRAY_SIZE(uart0grps),
925 .mask = uart0_mask,
926 },
927 {
928 .name = "mmc0",
929 .groups = mmc0grps,
930 .num_groups = ARRAY_SIZE(mmc0grps),
931 .mask = mmc0_mask,
932 },
933 {
934 .name = "spi0",
935 .groups = spi0grps,
936 .num_groups = ARRAY_SIZE(spi0grps),
937 .mask = spi0_mask,
938 },
939 };
940
u300_pmx_endisable(struct u300_pmx * upmx,unsigned selector,bool enable)941 static void u300_pmx_endisable(struct u300_pmx *upmx, unsigned selector,
942 bool enable)
943 {
944 u16 regval, val, mask;
945 int i;
946 const struct u300_pmx_mask *upmx_mask;
947
948 upmx_mask = u300_pmx_functions[selector].mask;
949 for (i = 0; i < ARRAY_SIZE(u300_pmx_registers); i++) {
950 if (enable)
951 val = upmx_mask->bits;
952 else
953 val = 0;
954
955 mask = upmx_mask->mask;
956 if (mask != 0) {
957 regval = readw(upmx->virtbase + u300_pmx_registers[i]);
958 regval &= ~mask;
959 regval |= val;
960 writew(regval, upmx->virtbase + u300_pmx_registers[i]);
961 }
962 upmx_mask++;
963 }
964 }
965
u300_pmx_enable(struct pinctrl_dev * pctldev,unsigned selector,unsigned group)966 static int u300_pmx_enable(struct pinctrl_dev *pctldev, unsigned selector,
967 unsigned group)
968 {
969 struct u300_pmx *upmx;
970
971 /* There is nothing to do with the power pins */
972 if (selector == 0)
973 return 0;
974
975 upmx = pinctrl_dev_get_drvdata(pctldev);
976 u300_pmx_endisable(upmx, selector, true);
977
978 return 0;
979 }
980
u300_pmx_disable(struct pinctrl_dev * pctldev,unsigned selector,unsigned group)981 static void u300_pmx_disable(struct pinctrl_dev *pctldev, unsigned selector,
982 unsigned group)
983 {
984 struct u300_pmx *upmx;
985
986 /* There is nothing to do with the power pins */
987 if (selector == 0)
988 return;
989
990 upmx = pinctrl_dev_get_drvdata(pctldev);
991 u300_pmx_endisable(upmx, selector, false);
992 }
993
u300_pmx_list_funcs(struct pinctrl_dev * pctldev,unsigned selector)994 static int u300_pmx_list_funcs(struct pinctrl_dev *pctldev, unsigned selector)
995 {
996 if (selector >= ARRAY_SIZE(u300_pmx_functions))
997 return -EINVAL;
998 return 0;
999 }
1000
u300_pmx_get_func_name(struct pinctrl_dev * pctldev,unsigned selector)1001 static const char *u300_pmx_get_func_name(struct pinctrl_dev *pctldev,
1002 unsigned selector)
1003 {
1004 return u300_pmx_functions[selector].name;
1005 }
1006
u300_pmx_get_groups(struct pinctrl_dev * pctldev,unsigned selector,const char * const ** groups,unsigned * const num_groups)1007 static int u300_pmx_get_groups(struct pinctrl_dev *pctldev, unsigned selector,
1008 const char * const **groups,
1009 unsigned * const num_groups)
1010 {
1011 *groups = u300_pmx_functions[selector].groups;
1012 *num_groups = u300_pmx_functions[selector].num_groups;
1013 return 0;
1014 }
1015
1016 static struct pinmux_ops u300_pmx_ops = {
1017 .list_functions = u300_pmx_list_funcs,
1018 .get_function_name = u300_pmx_get_func_name,
1019 .get_function_groups = u300_pmx_get_groups,
1020 .enable = u300_pmx_enable,
1021 .disable = u300_pmx_disable,
1022 };
1023
1024 /*
1025 * GPIO ranges handled by the application-side COH901XXX GPIO controller
1026 * Very many pins can be converted into GPIO pins, but we only list those
1027 * that are useful in practice to cut down on tables.
1028 */
1029 #define U300_GPIO_RANGE(a, b, c) { .name = "COH901XXX", .id = a, .base= a, \
1030 .pin_base = b, .npins = c }
1031
1032 static struct pinctrl_gpio_range u300_gpio_ranges[] = {
1033 U300_GPIO_RANGE(10, 426, 1),
1034 U300_GPIO_RANGE(11, 180, 1),
1035 U300_GPIO_RANGE(12, 165, 1), /* MS/MMC card insertion */
1036 U300_GPIO_RANGE(13, 179, 1),
1037 U300_GPIO_RANGE(14, 178, 1),
1038 U300_GPIO_RANGE(16, 194, 1),
1039 U300_GPIO_RANGE(17, 193, 1),
1040 U300_GPIO_RANGE(18, 192, 1),
1041 U300_GPIO_RANGE(19, 191, 1),
1042 U300_GPIO_RANGE(20, 186, 1),
1043 U300_GPIO_RANGE(21, 185, 1),
1044 U300_GPIO_RANGE(22, 184, 1),
1045 U300_GPIO_RANGE(23, 183, 1),
1046 U300_GPIO_RANGE(24, 182, 1),
1047 U300_GPIO_RANGE(25, 181, 1),
1048 };
1049
u300_match_gpio_range(unsigned pin)1050 static struct pinctrl_gpio_range *u300_match_gpio_range(unsigned pin)
1051 {
1052 int i;
1053
1054 for (i = 0; i < ARRAY_SIZE(u300_gpio_ranges); i++) {
1055 struct pinctrl_gpio_range *range;
1056
1057 range = &u300_gpio_ranges[i];
1058 if (pin >= range->pin_base &&
1059 pin <= (range->pin_base + range->npins - 1))
1060 return range;
1061 }
1062 return NULL;
1063 }
1064
u300_pin_config_get(struct pinctrl_dev * pctldev,unsigned pin,unsigned long * config)1065 int u300_pin_config_get(struct pinctrl_dev *pctldev,
1066 unsigned pin,
1067 unsigned long *config)
1068 {
1069 struct pinctrl_gpio_range *range = u300_match_gpio_range(pin);
1070
1071 /* We get config for those pins we CAN get it for and that's it */
1072 if (!range)
1073 return -ENOTSUPP;
1074
1075 return u300_gpio_config_get(range->gc,
1076 (pin - range->pin_base + range->base),
1077 config);
1078 }
1079
u300_pin_config_set(struct pinctrl_dev * pctldev,unsigned pin,unsigned long config)1080 int u300_pin_config_set(struct pinctrl_dev *pctldev,
1081 unsigned pin,
1082 unsigned long config)
1083 {
1084 struct pinctrl_gpio_range *range = u300_match_gpio_range(pin);
1085 int ret;
1086
1087 if (!range)
1088 return -EINVAL;
1089
1090 /* Note: none of these configurations take any argument */
1091 ret = u300_gpio_config_set(range->gc,
1092 (pin - range->pin_base + range->base),
1093 pinconf_to_config_param(config));
1094 if (ret)
1095 return ret;
1096
1097 return 0;
1098 }
1099
1100 static struct pinconf_ops u300_pconf_ops = {
1101 .is_generic = true,
1102 .pin_config_get = u300_pin_config_get,
1103 .pin_config_set = u300_pin_config_set,
1104 };
1105
1106 static struct pinctrl_desc u300_pmx_desc = {
1107 .name = DRIVER_NAME,
1108 .pins = u300_pads,
1109 .npins = ARRAY_SIZE(u300_pads),
1110 .pctlops = &u300_pctrl_ops,
1111 .pmxops = &u300_pmx_ops,
1112 .confops = &u300_pconf_ops,
1113 .owner = THIS_MODULE,
1114 };
1115
u300_pmx_probe(struct platform_device * pdev)1116 static int __devinit u300_pmx_probe(struct platform_device *pdev)
1117 {
1118 struct u300_pmx *upmx;
1119 struct resource *res;
1120 struct gpio_chip *gpio_chip = dev_get_platdata(&pdev->dev);
1121 int ret;
1122 int i;
1123
1124 pr_err("U300 PMX PROBE\n");
1125
1126 /* Create state holders etc for this driver */
1127 upmx = devm_kzalloc(&pdev->dev, sizeof(*upmx), GFP_KERNEL);
1128 if (!upmx)
1129 return -ENOMEM;
1130
1131 upmx->dev = &pdev->dev;
1132
1133 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
1134 if (!res) {
1135 ret = -ENOENT;
1136 goto out_no_resource;
1137 }
1138 upmx->phybase = res->start;
1139 upmx->physize = resource_size(res);
1140
1141 if (request_mem_region(upmx->phybase, upmx->physize,
1142 DRIVER_NAME) == NULL) {
1143 ret = -ENOMEM;
1144 goto out_no_memregion;
1145 }
1146
1147 upmx->virtbase = ioremap(upmx->phybase, upmx->physize);
1148 if (!upmx->virtbase) {
1149 ret = -ENOMEM;
1150 goto out_no_remap;
1151 }
1152
1153 upmx->pctl = pinctrl_register(&u300_pmx_desc, &pdev->dev, upmx);
1154 if (!upmx->pctl) {
1155 dev_err(&pdev->dev, "could not register U300 pinmux driver\n");
1156 ret = -EINVAL;
1157 goto out_no_pmx;
1158 }
1159
1160 /* We will handle a range of GPIO pins */
1161 for (i = 0; i < ARRAY_SIZE(u300_gpio_ranges); i++) {
1162 u300_gpio_ranges[i].gc = gpio_chip;
1163 pinctrl_add_gpio_range(upmx->pctl, &u300_gpio_ranges[i]);
1164 }
1165
1166 platform_set_drvdata(pdev, upmx);
1167
1168 dev_info(&pdev->dev, "initialized U300 pin control driver\n");
1169
1170 return 0;
1171
1172 out_no_pmx:
1173 iounmap(upmx->virtbase);
1174 out_no_remap:
1175 platform_set_drvdata(pdev, NULL);
1176 out_no_memregion:
1177 release_mem_region(upmx->phybase, upmx->physize);
1178 out_no_resource:
1179 devm_kfree(&pdev->dev, upmx);
1180 return ret;
1181 }
1182
u300_pmx_remove(struct platform_device * pdev)1183 static int __devexit u300_pmx_remove(struct platform_device *pdev)
1184 {
1185 struct u300_pmx *upmx = platform_get_drvdata(pdev);
1186 int i;
1187
1188 for (i = 0; i < ARRAY_SIZE(u300_gpio_ranges); i++)
1189 pinctrl_remove_gpio_range(upmx->pctl, &u300_gpio_ranges[i]);
1190 pinctrl_unregister(upmx->pctl);
1191 iounmap(upmx->virtbase);
1192 release_mem_region(upmx->phybase, upmx->physize);
1193 platform_set_drvdata(pdev, NULL);
1194 devm_kfree(&pdev->dev, upmx);
1195
1196 return 0;
1197 }
1198
1199 static struct platform_driver u300_pmx_driver = {
1200 .driver = {
1201 .name = DRIVER_NAME,
1202 .owner = THIS_MODULE,
1203 },
1204 .probe = u300_pmx_probe,
1205 .remove = __devexit_p(u300_pmx_remove),
1206 };
1207
u300_pmx_init(void)1208 static int __init u300_pmx_init(void)
1209 {
1210 return platform_driver_register(&u300_pmx_driver);
1211 }
1212 arch_initcall(u300_pmx_init);
1213
u300_pmx_exit(void)1214 static void __exit u300_pmx_exit(void)
1215 {
1216 platform_driver_unregister(&u300_pmx_driver);
1217 }
1218 module_exit(u300_pmx_exit);
1219
1220 MODULE_AUTHOR("Linus Walleij <linus.walleij@linaro.org>");
1221 MODULE_DESCRIPTION("U300 pin control driver");
1222 MODULE_LICENSE("GPL v2");
1223