1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Common code for Palm LD, T5, TX, Z72
4 *
5 * Copyright (C) 2010-2011 Marek Vasut <marek.vasut@gmail.com>
6 */
7
8 #include <linux/platform_device.h>
9 #include <linux/delay.h>
10 #include <linux/irq.h>
11 #include <linux/gpio_keys.h>
12 #include <linux/input.h>
13 #include <linux/pda_power.h>
14 #include <linux/pwm.h>
15 #include <linux/pwm_backlight.h>
16 #include <linux/gpio/machine.h>
17 #include <linux/gpio.h>
18 #include <linux/wm97xx.h>
19 #include <linux/power_supply.h>
20 #include <linux/regulator/max1586.h>
21 #include <linux/platform_data/i2c-pxa.h>
22
23 #include <asm/mach-types.h>
24 #include <asm/mach/arch.h>
25 #include <asm/mach/map.h>
26
27 #include "pxa27x.h"
28 #include <mach/audio.h>
29 #include <linux/platform_data/mmc-pxamci.h>
30 #include <linux/platform_data/video-pxafb.h>
31 #include <linux/platform_data/irda-pxaficp.h>
32 #include "udc.h"
33 #include <linux/platform_data/asoc-palm27x.h>
34 #include "palm27x.h"
35
36 #include "generic.h"
37 #include "devices.h"
38
39 /******************************************************************************
40 * SD/MMC card controller
41 ******************************************************************************/
42 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
43 static struct pxamci_platform_data palm27x_mci_platform_data = {
44 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
45 .detect_delay_ms = 200,
46 };
47
48 void __init palm27x_mmc_init(struct gpiod_lookup_table *gtable)
49 {
50 if (gtable)
51 gpiod_add_lookup_table(gtable);
52 pxa_set_mci_info(&palm27x_mci_platform_data);
53 }
54 #endif
55
56 /******************************************************************************
57 * Power management - standby
58 ******************************************************************************/
59 #if defined(CONFIG_SUSPEND)
60 void __init palm27x_pm_init(unsigned long str_base)
61 {
62 static const unsigned long resume[] = {
63 0xe3a00101, /* mov r0, #0x40000000 */
64 0xe380060f, /* orr r0, r0, #0x00f00000 */
65 0xe590f008, /* ldr pc, [r0, #0x08] */
66 };
67
68 /*
69 * Copy the bootloader.
70 * NOTE: PalmZ72 uses a different wakeup method!
71 */
72 memcpy(phys_to_virt(str_base), resume, sizeof(resume));
73 }
74 #endif
75
76 /******************************************************************************
77 * Framebuffer
78 ******************************************************************************/
79 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
80 struct pxafb_mode_info palm_320x480_lcd_mode = {
81 .pixclock = 57692,
82 .xres = 320,
83 .yres = 480,
84 .bpp = 16,
85
86 .left_margin = 32,
87 .right_margin = 1,
88 .upper_margin = 7,
89 .lower_margin = 1,
90
91 .hsync_len = 4,
92 .vsync_len = 1,
93 };
94
95 struct pxafb_mode_info palm_320x320_lcd_mode = {
96 .pixclock = 115384,
97 .xres = 320,
98 .yres = 320,
99 .bpp = 16,
100
101 .left_margin = 27,
102 .right_margin = 7,
103 .upper_margin = 7,
104 .lower_margin = 8,
105
106 .hsync_len = 6,
107 .vsync_len = 1,
108 };
109
110 struct pxafb_mode_info palm_320x320_new_lcd_mode = {
111 .pixclock = 86538,
112 .xres = 320,
113 .yres = 320,
114 .bpp = 16,
115
116 .left_margin = 20,
117 .right_margin = 8,
118 .upper_margin = 8,
119 .lower_margin = 5,
120
121 .hsync_len = 4,
122 .vsync_len = 1,
123 };
124
125 static struct pxafb_mach_info palm27x_lcd_screen = {
126 .num_modes = 1,
127 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
128 };
129
130 static int palm27x_lcd_power;
131 static void palm27x_lcd_ctl(int on, struct fb_var_screeninfo *info)
132 {
133 gpio_set_value(palm27x_lcd_power, on);
134 }
135
136 void __init palm27x_lcd_init(int power, struct pxafb_mode_info *mode)
137 {
138 palm27x_lcd_screen.modes = mode;
139
140 if (gpio_is_valid(power)) {
141 if (!gpio_request(power, "LCD power")) {
142 pr_err("Palm27x: failed to claim lcd power gpio!\n");
143 return;
144 }
145 if (!gpio_direction_output(power, 1)) {
146 pr_err("Palm27x: lcd power configuration failed!\n");
147 return;
148 }
149 palm27x_lcd_power = power;
150 palm27x_lcd_screen.pxafb_lcd_power = palm27x_lcd_ctl;
151 }
152
153 pxa_set_fb_info(NULL, &palm27x_lcd_screen);
154 }
155 #endif
156
157 /******************************************************************************
158 * USB Gadget
159 ******************************************************************************/
160 #if defined(CONFIG_USB_PXA27X) || \
161 defined(CONFIG_USB_PXA27X_MODULE)
162
163 /* The actual GPIO offsets get filled in in the palm27x_udc_init() call */
164 static struct gpiod_lookup_table palm27x_udc_gpiod_table = {
165 .dev_id = "gpio-vbus",
166 .table = {
167 GPIO_LOOKUP("gpio-pxa", 0,
168 "vbus", GPIO_ACTIVE_HIGH),
169 GPIO_LOOKUP("gpio-pxa", 0,
170 "pullup", GPIO_ACTIVE_HIGH),
171 { },
172 },
173 };
174
175 static struct platform_device palm27x_gpio_vbus = {
176 .name = "gpio-vbus",
177 .id = -1,
178 };
179
180 void __init palm27x_udc_init(int vbus, int pullup, int vbus_inverted)
181 {
182 palm27x_udc_gpiod_table.table[0].chip_hwnum = vbus;
183 palm27x_udc_gpiod_table.table[1].chip_hwnum = pullup;
184 if (vbus_inverted)
185 palm27x_udc_gpiod_table.table[0].flags = GPIO_ACTIVE_LOW;
186
187 gpiod_add_lookup_table(&palm27x_udc_gpiod_table);
188 platform_device_register(&palm27x_gpio_vbus);
189 }
190 #endif
191
192 /******************************************************************************
193 * IrDA
194 ******************************************************************************/
195 #if defined(CONFIG_IRDA) || defined(CONFIG_IRDA_MODULE)
196 static struct pxaficp_platform_data palm27x_ficp_platform_data = {
197 .transceiver_cap = IR_SIRMODE | IR_OFF,
198 };
199
200 void __init palm27x_irda_init(int pwdn)
201 {
202 palm27x_ficp_platform_data.gpio_pwdown = pwdn;
203 pxa_set_ficp_info(&palm27x_ficp_platform_data);
204 }
205 #endif
206
207 /******************************************************************************
208 * WM97xx audio, battery
209 ******************************************************************************/
210 #if defined(CONFIG_TOUCHSCREEN_WM97XX) || \
211 defined(CONFIG_TOUCHSCREEN_WM97XX_MODULE)
212 static struct wm97xx_batt_pdata palm27x_batt_pdata = {
213 .batt_aux = WM97XX_AUX_ID3,
214 .temp_aux = WM97XX_AUX_ID2,
215 .batt_mult = 1000,
216 .batt_div = 414,
217 .temp_mult = 1,
218 .temp_div = 1,
219 .batt_tech = POWER_SUPPLY_TECHNOLOGY_LIPO,
220 .batt_name = "main-batt",
221 };
222
223 static struct wm97xx_pdata palm27x_wm97xx_pdata = {
224 .batt_pdata = &palm27x_batt_pdata,
225 };
226
227 static pxa2xx_audio_ops_t palm27x_ac97_pdata = {
228 .codec_pdata = { &palm27x_wm97xx_pdata, },
229 };
230
231 static struct palm27x_asoc_info palm27x_asoc_pdata = {
232 .jack_gpio = -1,
233 };
234
235 static struct platform_device palm27x_asoc = {
236 .name = "palm27x-asoc",
237 .id = -1,
238 .dev = {
239 .platform_data = &palm27x_asoc_pdata,
240 },
241 };
242
243 void __init palm27x_ac97_init(int minv, int maxv, int jack, int reset)
244 {
245 palm27x_ac97_pdata.reset_gpio = reset;
246 palm27x_asoc_pdata.jack_gpio = jack;
247
248 if (minv < 0 || maxv < 0) {
249 palm27x_ac97_pdata.codec_pdata[0] = NULL;
250 pxa_set_ac97_info(&palm27x_ac97_pdata);
251 } else {
252 palm27x_batt_pdata.min_voltage = minv,
253 palm27x_batt_pdata.max_voltage = maxv,
254
255 pxa_set_ac97_info(&palm27x_ac97_pdata);
256 platform_device_register(&palm27x_asoc);
257 }
258 }
259 #endif
260
261 /******************************************************************************
262 * Backlight
263 ******************************************************************************/
264 #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
265 static struct pwm_lookup palm27x_pwm_lookup[] = {
266 PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight.0", NULL, 3500 * 1024,
267 PWM_POLARITY_NORMAL),
268 };
269
270 static int palm_bl_power;
271 static int palm_lcd_power;
272
273 static int palm27x_backlight_init(struct device *dev)
274 {
275 int ret;
276
277 ret = gpio_request(palm_bl_power, "BL POWER");
278 if (ret)
279 goto err;
280 ret = gpio_direction_output(palm_bl_power, 0);
281 if (ret)
282 goto err2;
283
284 if (gpio_is_valid(palm_lcd_power)) {
285 ret = gpio_request(palm_lcd_power, "LCD POWER");
286 if (ret)
287 goto err2;
288 ret = gpio_direction_output(palm_lcd_power, 0);
289 if (ret)
290 goto err3;
291 }
292
293 return 0;
294 err3:
295 gpio_free(palm_lcd_power);
296 err2:
297 gpio_free(palm_bl_power);
298 err:
299 return ret;
300 }
301
302 static int palm27x_backlight_notify(struct device *dev, int brightness)
303 {
304 gpio_set_value(palm_bl_power, brightness);
305 if (gpio_is_valid(palm_lcd_power))
306 gpio_set_value(palm_lcd_power, brightness);
307 return brightness;
308 }
309
310 static void palm27x_backlight_exit(struct device *dev)
311 {
312 gpio_free(palm_bl_power);
313 if (gpio_is_valid(palm_lcd_power))
314 gpio_free(palm_lcd_power);
315 }
316
317 static struct platform_pwm_backlight_data palm27x_backlight_data = {
318 .max_brightness = 0xfe,
319 .dft_brightness = 0x7e,
320 .init = palm27x_backlight_init,
321 .notify = palm27x_backlight_notify,
322 .exit = palm27x_backlight_exit,
323 };
324
325 static struct platform_device palm27x_backlight = {
326 .name = "pwm-backlight",
327 .dev = {
328 .parent = &pxa27x_device_pwm0.dev,
329 .platform_data = &palm27x_backlight_data,
330 },
331 };
332
333 void __init palm27x_pwm_init(int bl, int lcd)
334 {
335 palm_bl_power = bl;
336 palm_lcd_power = lcd;
337 pwm_add_table(palm27x_pwm_lookup, ARRAY_SIZE(palm27x_pwm_lookup));
338 platform_device_register(&palm27x_backlight);
339 }
340 #endif
341
342 /******************************************************************************
343 * Power supply
344 ******************************************************************************/
345 #if defined(CONFIG_PDA_POWER) || defined(CONFIG_PDA_POWER_MODULE)
346 static int palm_ac_state;
347 static int palm_usb_state;
348
349 static int palm27x_power_supply_init(struct device *dev)
350 {
351 int ret;
352
353 ret = gpio_request(palm_ac_state, "AC state");
354 if (ret)
355 goto err1;
356 ret = gpio_direction_input(palm_ac_state);
357 if (ret)
358 goto err2;
359
360 if (gpio_is_valid(palm_usb_state)) {
361 ret = gpio_request(palm_usb_state, "USB state");
362 if (ret)
363 goto err2;
364 ret = gpio_direction_input(palm_usb_state);
365 if (ret)
366 goto err3;
367 }
368
369 return 0;
370 err3:
371 gpio_free(palm_usb_state);
372 err2:
373 gpio_free(palm_ac_state);
374 err1:
375 return ret;
376 }
377
378 static void palm27x_power_supply_exit(struct device *dev)
379 {
380 gpio_free(palm_usb_state);
381 gpio_free(palm_ac_state);
382 }
383
384 static int palm27x_is_ac_online(void)
385 {
386 return gpio_get_value(palm_ac_state);
387 }
388
389 static int palm27x_is_usb_online(void)
390 {
391 return !gpio_get_value(palm_usb_state);
392 }
393 static char *palm27x_supplicants[] = {
394 "main-battery",
395 };
396
397 static struct pda_power_pdata palm27x_ps_info = {
398 .init = palm27x_power_supply_init,
399 .exit = palm27x_power_supply_exit,
400 .is_ac_online = palm27x_is_ac_online,
401 .is_usb_online = palm27x_is_usb_online,
402 .supplied_to = palm27x_supplicants,
403 .num_supplicants = ARRAY_SIZE(palm27x_supplicants),
404 };
405
406 static struct platform_device palm27x_power_supply = {
407 .name = "pda-power",
408 .id = -1,
409 .dev = {
410 .platform_data = &palm27x_ps_info,
411 },
412 };
413
414 void __init palm27x_power_init(int ac, int usb)
415 {
416 palm_ac_state = ac;
417 palm_usb_state = usb;
418 platform_device_register(&palm27x_power_supply);
419 }
420 #endif
421
422 /******************************************************************************
423 * Core power regulator
424 ******************************************************************************/
425 #if defined(CONFIG_REGULATOR_MAX1586) || \
426 defined(CONFIG_REGULATOR_MAX1586_MODULE)
427 static struct regulator_consumer_supply palm27x_max1587a_consumers[] = {
428 REGULATOR_SUPPLY("vcc_core", NULL),
429 };
430
431 static struct regulator_init_data palm27x_max1587a_v3_info = {
432 .constraints = {
433 .name = "vcc_core range",
434 .min_uV = 900000,
435 .max_uV = 1705000,
436 .always_on = 1,
437 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
438 },
439 .consumer_supplies = palm27x_max1587a_consumers,
440 .num_consumer_supplies = ARRAY_SIZE(palm27x_max1587a_consumers),
441 };
442
443 static struct max1586_subdev_data palm27x_max1587a_subdevs[] = {
444 {
445 .name = "vcc_core",
446 .id = MAX1586_V3,
447 .platform_data = &palm27x_max1587a_v3_info,
448 }
449 };
450
451 static struct max1586_platform_data palm27x_max1587a_info = {
452 .subdevs = palm27x_max1587a_subdevs,
453 .num_subdevs = ARRAY_SIZE(palm27x_max1587a_subdevs),
454 .v3_gain = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */
455 };
456
457 static struct i2c_board_info __initdata palm27x_pi2c_board_info[] = {
458 {
459 I2C_BOARD_INFO("max1586", 0x14),
460 .platform_data = &palm27x_max1587a_info,
461 },
462 };
463
464 static struct i2c_pxa_platform_data palm27x_i2c_power_info = {
465 .use_pio = 1,
466 };
467
468 void __init palm27x_pmic_init(void)
469 {
470 i2c_register_board_info(1, ARRAY_AND_SIZE(palm27x_pi2c_board_info));
471 pxa27x_set_i2c_power_info(&palm27x_i2c_power_info);
472 }
473 #endif
474
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