1 // SPDX-License-Identifier: GPL-2.0
2 //
3 // Speyside modules for Cragganmore - board data probing
4 //
5 // Copyright 2011 Wolfson Microelectronics plc
6 //	Mark Brown <broonie@opensource.wolfsonmicro.com>
7 
8 #include <linux/export.h>
9 #include <linux/interrupt.h>
10 #include <linux/i2c.h>
11 #include <linux/spi/spi.h>
12 #include <linux/gpio/machine.h>
13 
14 #include <linux/mfd/wm831x/irq.h>
15 #include <linux/mfd/wm831x/gpio.h>
16 #include <linux/mfd/wm8994/pdata.h>
17 #include <linux/mfd/arizona/pdata.h>
18 
19 #include <linux/regulator/machine.h>
20 
21 #include <sound/wm0010.h>
22 #include <sound/wm2200.h>
23 #include <sound/wm5100.h>
24 #include <sound/wm8996.h>
25 #include <sound/wm8962.h>
26 #include <sound/wm9081.h>
27 
28 #include <linux/platform_data/spi-s3c64xx.h>
29 
30 #include "cpu.h"
31 #include "irqs.h"
32 
33 #include "crag6410.h"
34 
35 static struct wm0010_pdata wm0010_pdata = {
36 	.gpio_reset = S3C64XX_GPN(6),
37 	.reset_active_high = 1, /* Active high for Glenfarclas Rev 2 */
38 };
39 
40 static struct spi_board_info wm1253_devs[] = {
41 	[0] = {
42 		.modalias	= "wm0010",
43 		.max_speed_hz	= 26 * 1000 * 1000,
44 		.bus_num	= 0,
45 		.chip_select	= 0,
46 		.mode		= SPI_MODE_0,
47 		.irq		= S3C_EINT(4),
48 		.platform_data = &wm0010_pdata,
49 	},
50 };
51 
52 static struct spi_board_info balblair_devs[] = {
53 	[0] = {
54 		.modalias	= "wm0010",
55 		.max_speed_hz	= 26 * 1000 * 1000,
56 		.bus_num	= 0,
57 		.chip_select	= 0,
58 		.mode		= SPI_MODE_0,
59 		.irq		= S3C_EINT(4),
60 		.platform_data = &wm0010_pdata,
61 	},
62 };
63 
64 static struct wm5100_pdata wm5100_pdata = {
65 	.ldo_ena = S3C64XX_GPN(7),
66 	.irq_flags = IRQF_TRIGGER_HIGH,
67 	.gpio_base = CODEC_GPIO_BASE,
68 
69 	.in_mode = {
70 		WM5100_IN_DIFF,
71 		WM5100_IN_DIFF,
72 		WM5100_IN_DIFF,
73 		WM5100_IN_SE,
74 	},
75 
76 	.hp_pol = CODEC_GPIO_BASE + 3,
77 	.jack_modes = {
78 		{ WM5100_MICDET_MICBIAS3, 0, 0 },
79 		{ WM5100_MICDET_MICBIAS2, 1, 1 },
80 	},
81 
82 	.gpio_defaults = {
83 		0,
84 		0,
85 		0,
86 		0,
87 		0x2, /* IRQ: CMOS output */
88 		0x3, /* CLKOUT: CMOS output */
89 	},
90 };
91 
92 static struct wm8996_retune_mobile_config wm8996_retune[] = {
93 	{
94 		.name = "Sub LPF",
95 		.rate = 48000,
96 		.regs = {
97 			0x6318, 0x6300, 0x1000, 0x0000, 0x0004, 0x2000, 0xF000,
98 			0x0000, 0x0004, 0x2000, 0xF000, 0x0000, 0x0004, 0x2000,
99 			0xF000, 0x0000, 0x0004, 0x1000, 0x0800, 0x4000
100 		},
101 	},
102 	{
103 		.name = "Sub HPF",
104 		.rate = 48000,
105 		.regs = {
106 			0x000A, 0x6300, 0x1000, 0x0000, 0x0004, 0x2000, 0xF000,
107 			0x0000, 0x0004, 0x2000, 0xF000, 0x0000, 0x0004, 0x2000,
108 			0xF000, 0x0000, 0x0004, 0x1000, 0x0800, 0x4000
109 		},
110 	},
111 };
112 
113 static struct wm8996_pdata wm8996_pdata __initdata = {
114 	.ldo_ena = S3C64XX_GPN(7),
115 	.gpio_base = CODEC_GPIO_BASE,
116 	.micdet_def = 1,
117 	.inl_mode = WM8996_DIFFERRENTIAL_1,
118 	.inr_mode = WM8996_DIFFERRENTIAL_1,
119 
120 	.irq_flags = IRQF_TRIGGER_RISING,
121 
122 	.gpio_default = {
123 		0x8001, /* GPIO1 == ADCLRCLK1 */
124 		0x8001, /* GPIO2 == ADCLRCLK2, input due to CPU */
125 		0x0141, /* GPIO3 == HP_SEL */
126 		0x0002, /* GPIO4 == IRQ */
127 		0x020e, /* GPIO5 == CLKOUT */
128 	},
129 
130 	.retune_mobile_cfgs = wm8996_retune,
131 	.num_retune_mobile_cfgs = ARRAY_SIZE(wm8996_retune),
132 };
133 
134 static struct wm8962_pdata wm8962_pdata __initdata = {
135 	.gpio_init = {
136 		0,
137 		WM8962_GPIO_FN_OPCLK,
138 		WM8962_GPIO_FN_DMICCLK,
139 		0,
140 		0x8000 | WM8962_GPIO_FN_DMICDAT,
141 		WM8962_GPIO_FN_IRQ,    /* Open drain mode */
142 	},
143 	.in4_dc_measure = true,
144 };
145 
146 static struct wm9081_pdata wm9081_pdata __initdata = {
147 	.irq_high = false,
148 	.irq_cmos = false,
149 };
150 
151 static const struct i2c_board_info wm1254_devs[] = {
152 	{ I2C_BOARD_INFO("wm8996", 0x1a),
153 	  .platform_data = &wm8996_pdata,
154 	  .irq = GLENFARCLAS_PMIC_IRQ_BASE + WM831X_IRQ_GPIO_2,
155 	},
156 	{ I2C_BOARD_INFO("wm9081", 0x6c),
157 	  .platform_data = &wm9081_pdata, },
158 };
159 
160 static const struct i2c_board_info wm1255_devs[] = {
161 	{ I2C_BOARD_INFO("wm5100", 0x1a),
162 	  .platform_data = &wm5100_pdata,
163 	  .irq = GLENFARCLAS_PMIC_IRQ_BASE + WM831X_IRQ_GPIO_2,
164 	},
165 	{ I2C_BOARD_INFO("wm9081", 0x6c),
166 	  .platform_data = &wm9081_pdata, },
167 };
168 
169 static const struct i2c_board_info wm1259_devs[] = {
170 	{ I2C_BOARD_INFO("wm8962", 0x1a),
171 	  .platform_data = &wm8962_pdata,
172 	  .irq = GLENFARCLAS_PMIC_IRQ_BASE + WM831X_IRQ_GPIO_2,
173 	},
174 };
175 
176 static struct regulator_init_data wm8994_ldo1 = {
177 	.supply_regulator = "WALLVDD",
178 };
179 
180 static struct regulator_init_data wm8994_ldo2 = {
181 	.supply_regulator = "WALLVDD",
182 };
183 
184 static struct wm8994_pdata wm8994_pdata = {
185 	.gpio_base = CODEC_GPIO_BASE,
186 	.micb2_delay = 150,
187 	.gpio_defaults = {
188 		0x3,          /* IRQ out, active high, CMOS */
189 	},
190 	.ldo = {
191 		 { .init_data = &wm8994_ldo1, },
192 		 { .init_data = &wm8994_ldo2, },
193 	},
194 };
195 
196 static const struct i2c_board_info wm1277_devs[] = {
197 	{ I2C_BOARD_INFO("wm8958", 0x1a),  /* WM8958 is the superset */
198 	  .platform_data = &wm8994_pdata,
199 	  .irq = GLENFARCLAS_PMIC_IRQ_BASE + WM831X_IRQ_GPIO_2,
200 	  .dev_name = "wm8958",
201 	},
202 };
203 
204 static struct gpiod_lookup_table wm8994_gpiod_table = {
205 	.dev_id = "i2c-wm8958", /* I2C device name */
206 	.table = {
207 		GPIO_LOOKUP("GPION", 6,
208 			    "wlf,ldo1ena", GPIO_ACTIVE_HIGH),
209 		GPIO_LOOKUP("GPION", 4,
210 			    "wlf,ldo2ena", GPIO_ACTIVE_HIGH),
211 		{ },
212 	},
213 };
214 
215 static struct arizona_pdata wm5102_reva_pdata = {
216 	.gpio_base = CODEC_GPIO_BASE,
217 	.irq_flags = IRQF_TRIGGER_HIGH,
218 	.micd_pol_gpio = CODEC_GPIO_BASE + 4,
219 	.micd_rate = 6,
220 	.gpio_defaults = {
221 		[2] = 0x10000, /* AIF3TXLRCLK */
222 		[3] = 0x4,     /* OPCLK */
223 	},
224 };
225 
226 static struct spi_board_info wm5102_reva_spi_devs[] = {
227 	[0] = {
228 		.modalias	= "wm5102",
229 		.max_speed_hz	= 10 * 1000 * 1000,
230 		.bus_num	= 0,
231 		.chip_select	= 1,
232 		.mode		= SPI_MODE_0,
233 		.irq		= GLENFARCLAS_PMIC_IRQ_BASE +
234 				  WM831X_IRQ_GPIO_2,
235 		.platform_data = &wm5102_reva_pdata,
236 	},
237 };
238 
239 static struct gpiod_lookup_table wm5102_reva_gpiod_table = {
240 	.dev_id = "spi0.1", /* SPI device name */
241 	.table = {
242 		GPIO_LOOKUP("GPION", 7,
243 			    "wlf,ldoena", GPIO_ACTIVE_HIGH),
244 		{ },
245 	},
246 };
247 
248 static struct arizona_pdata wm5102_pdata = {
249 	.gpio_base = CODEC_GPIO_BASE,
250 	.irq_flags = IRQF_TRIGGER_HIGH,
251 	.micd_pol_gpio = CODEC_GPIO_BASE + 2,
252 	.gpio_defaults = {
253 		[2] = 0x10000, /* AIF3TXLRCLK */
254 		[3] = 0x4,     /* OPCLK */
255 	},
256 };
257 
258 static struct spi_board_info wm5102_spi_devs[] = {
259 	[0] = {
260 		.modalias	= "wm5102",
261 		.max_speed_hz	= 10 * 1000 * 1000,
262 		.bus_num	= 0,
263 		.chip_select	= 1,
264 		.mode		= SPI_MODE_0,
265 		.irq		= GLENFARCLAS_PMIC_IRQ_BASE +
266 				  WM831X_IRQ_GPIO_2,
267 		.platform_data = &wm5102_pdata,
268 	},
269 };
270 
271 static struct gpiod_lookup_table wm5102_gpiod_table = {
272 	.dev_id = "spi0.1", /* SPI device name */
273 	.table = {
274 		GPIO_LOOKUP("GPION", 7,
275 			    "wlf,ldo1ena", GPIO_ACTIVE_HIGH),
276 		{ },
277 	},
278 };
279 
280 static struct spi_board_info wm5110_spi_devs[] = {
281 	[0] = {
282 		.modalias	= "wm5110",
283 		.max_speed_hz	= 10 * 1000 * 1000,
284 		.bus_num	= 0,
285 		.chip_select	= 1,
286 		.mode		= SPI_MODE_0,
287 		.irq		= GLENFARCLAS_PMIC_IRQ_BASE +
288 				  WM831X_IRQ_GPIO_2,
289 		.platform_data = &wm5102_reva_pdata,
290 	},
291 };
292 
293 static const struct i2c_board_info wm6230_i2c_devs[] = {
294 	{ I2C_BOARD_INFO("wm9081", 0x6c),
295 	  .platform_data = &wm9081_pdata, },
296 };
297 
298 static struct wm2200_pdata wm2200_pdata = {
299 	.ldo_ena = S3C64XX_GPN(7),
300 	.gpio_defaults = {
301 		[2] = 0x0005,  /* GPIO3 24.576MHz output clock */
302 	},
303 };
304 
305 static const struct i2c_board_info wm2200_i2c[] = {
306 	{ I2C_BOARD_INFO("wm2200", 0x3a),
307 	  .platform_data = &wm2200_pdata, },
308 };
309 
310 static const struct {
311 	u8 id;
312 	u8 rev;
313 	const char *name;
314 	const struct i2c_board_info *i2c_devs;
315 	int num_i2c_devs;
316 	const struct spi_board_info *spi_devs;
317 	int num_spi_devs;
318 
319 	struct gpiod_lookup_table *gpiod_table;
320 } gf_mods[] = {
321 	{ .id = 0x01, .rev = 0xff, .name = "1250-EV1 Springbank" },
322 	{ .id = 0x02, .rev = 0xff, .name = "1251-EV1 Jura" },
323 	{ .id = 0x03, .rev = 0xff, .name = "1252-EV1 Glenlivet" },
324 	{ .id = 0x06, .rev = 0xff, .name = "WM8997-6721-CS96-EV1 Lapraoig" },
325 	{ .id = 0x07, .rev = 0xff, .name = "WM5110-6271 Deanston",
326 	  .spi_devs = wm5110_spi_devs,
327 	  .num_spi_devs = ARRAY_SIZE(wm5110_spi_devs) },
328 	{ .id = 0x08, .rev = 0xff, .name = "WM8903-6102 Tamdhu" },
329 	{ .id = 0x09, .rev = 0xff, .name = "WM1811A-6305 Adelphi" },
330 	{ .id = 0x0a, .rev = 0xff, .name = "WM8996-6272 Blackadder" },
331 	{ .id = 0x0b, .rev = 0xff, .name = "WM8994-6235 Benromach" },
332 	{ .id = 0x11, .rev = 0xff, .name = "6249-EV2 Glenfarclas", },
333 	{ .id = 0x14, .rev = 0xff, .name = "6271-EV1 Lochnagar" },
334 	{ .id = 0x15, .rev = 0xff, .name = "6320-EV1 Bells",
335 	  .i2c_devs = wm6230_i2c_devs,
336 	  .num_i2c_devs = ARRAY_SIZE(wm6230_i2c_devs) },
337 	{ .id = 0x21, .rev = 0xff, .name = "1275-EV1 Mortlach" },
338 	{ .id = 0x25, .rev = 0xff, .name = "1274-EV1 Glencadam" },
339 	{ .id = 0x31, .rev = 0xff, .name = "1253-EV1 Tomatin",
340 	  .spi_devs = wm1253_devs, .num_spi_devs = ARRAY_SIZE(wm1253_devs) },
341 	{ .id = 0x32, .rev = 0xff, .name = "XXXX-EV1 Caol Illa" },
342 	{ .id = 0x33, .rev = 0xff, .name = "XXXX-EV1 Oban" },
343 	{ .id = 0x34, .rev = 0xff, .name = "WM0010-6320-CS42 Balblair",
344 	  .spi_devs = balblair_devs,
345 	  .num_spi_devs = ARRAY_SIZE(balblair_devs) },
346 	{ .id = 0x39, .rev = 0xff, .name = "1254-EV1 Dallas Dhu",
347 	  .i2c_devs = wm1254_devs, .num_i2c_devs = ARRAY_SIZE(wm1254_devs) },
348 	{ .id = 0x3a, .rev = 0xff, .name = "1259-EV1 Tobermory",
349 	  .i2c_devs = wm1259_devs, .num_i2c_devs = ARRAY_SIZE(wm1259_devs) },
350 	{ .id = 0x3b, .rev = 0xff, .name = "1255-EV1 Kilchoman",
351 	  .i2c_devs = wm1255_devs, .num_i2c_devs = ARRAY_SIZE(wm1255_devs) },
352 	{ .id = 0x3c, .rev = 0xff, .name = "1273-EV1 Longmorn" },
353 	{ .id = 0x3d, .rev = 0xff, .name = "1277-EV1 Littlemill",
354 	  .i2c_devs = wm1277_devs, .num_i2c_devs = ARRAY_SIZE(wm1277_devs),
355 	  .gpiod_table = &wm8994_gpiod_table },
356 	{ .id = 0x3e, .rev = 0, .name = "WM5102-6271-EV1-CS127 Amrut",
357 	  .spi_devs = wm5102_reva_spi_devs,
358 	  .num_spi_devs = ARRAY_SIZE(wm5102_reva_spi_devs),
359 	  .gpiod_table = &wm5102_reva_gpiod_table },
360 	{ .id = 0x3e, .rev = -1, .name = "WM5102-6271-EV1-CS127 Amrut",
361 	  .spi_devs = wm5102_spi_devs,
362 	  .num_spi_devs = ARRAY_SIZE(wm5102_spi_devs),
363 	  .gpiod_table = &wm5102_gpiod_table },
364 	{ .id = 0x3f, .rev = -1, .name = "WM2200-6271-CS90-M-REV1",
365 	  .i2c_devs = wm2200_i2c, .num_i2c_devs = ARRAY_SIZE(wm2200_i2c) },
366 };
367 
wlf_gf_module_probe(struct i2c_client * i2c)368 static int wlf_gf_module_probe(struct i2c_client *i2c)
369 {
370 	int ret, i, j, id, rev;
371 
372 	ret = i2c_smbus_read_byte_data(i2c, 0);
373 	if (ret < 0) {
374 		dev_err(&i2c->dev, "Failed to read ID: %d\n", ret);
375 		return ret;
376 	}
377 
378 	id = (ret & 0xfe) >> 2;
379 	rev = ret & 0x3;
380 	for (i = 0; i < ARRAY_SIZE(gf_mods); i++)
381 		if (id == gf_mods[i].id && (gf_mods[i].rev == 0xff ||
382 					    rev == gf_mods[i].rev))
383 			break;
384 
385 	gpiod_add_lookup_table(&wm5102_reva_gpiod_table);
386 	gpiod_add_lookup_table(&wm5102_gpiod_table);
387 	gpiod_add_lookup_table(&wm8994_gpiod_table);
388 
389 	if (i < ARRAY_SIZE(gf_mods)) {
390 		dev_info(&i2c->dev, "%s revision %d\n",
391 			 gf_mods[i].name, rev + 1);
392 
393 		for (j = 0; j < gf_mods[i].num_i2c_devs; j++) {
394 			if (IS_ERR(i2c_new_client_device(i2c->adapter,
395 							 &(gf_mods[i].i2c_devs[j]))))
396 				dev_err(&i2c->dev, "Failed to register\n");
397 		}
398 
399 		spi_register_board_info(gf_mods[i].spi_devs,
400 					gf_mods[i].num_spi_devs);
401 
402 		if (gf_mods[i].gpiod_table)
403 			gpiod_add_lookup_table(gf_mods[i].gpiod_table);
404 	} else {
405 		dev_warn(&i2c->dev, "Unknown module ID 0x%x revision %d\n",
406 			 id, rev + 1);
407 	}
408 
409 	return 0;
410 }
411 
412 static const struct i2c_device_id wlf_gf_module_id[] = {
413 	{ "wlf-gf-module", 0 },
414 	{ }
415 };
416 
417 static struct i2c_driver wlf_gf_module_driver = {
418 	.driver = {
419 		.name = "wlf-gf-module"
420 	},
421 	.probe = wlf_gf_module_probe,
422 	.id_table = wlf_gf_module_id,
423 };
424 
wlf_gf_module_register(void)425 static int __init wlf_gf_module_register(void)
426 {
427 	if (!soc_is_s3c64xx())
428 		return 0;
429 
430 	return i2c_add_driver(&wlf_gf_module_driver);
431 }
432 device_initcall(wlf_gf_module_register);
433