1/*
2 * Common code for Palm LD, T5, TX, Z72
3 *
4 * Copyright (C) 2010-2011 Marek Vasut <marek.vasut@gmail.com>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10 */
11
12#include <linux/platform_device.h>
13#include <linux/delay.h>
14#include <linux/irq.h>
15#include <linux/gpio_keys.h>
16#include <linux/input.h>
17#include <linux/pda_power.h>
18#include <linux/pwm_backlight.h>
19#include <linux/gpio.h>
20#include <linux/wm97xx.h>
21#include <linux/power_supply.h>
22#include <linux/usb/gpio_vbus.h>
23#include <linux/regulator/max1586.h>
24#include <linux/i2c/pxa-i2c.h>
25
26#include <asm/mach-types.h>
27#include <asm/mach/arch.h>
28#include <asm/mach/map.h>
29
30#include <mach/pxa27x.h>
31#include <mach/audio.h>
32#include <linux/platform_data/mmc-pxamci.h>
33#include <linux/platform_data/video-pxafb.h>
34#include <linux/platform_data/irda-pxaficp.h>
35#include <mach/udc.h>
36#include <linux/platform_data/asoc-palm27x.h>
37#include <mach/palm27x.h>
38
39#include "generic.h"
40#include "devices.h"
41
42/******************************************************************************
43 * SD/MMC card controller
44 ******************************************************************************/
45#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
46static struct pxamci_platform_data palm27x_mci_platform_data = {
47	.ocr_mask		= MMC_VDD_32_33 | MMC_VDD_33_34,
48	.detect_delay_ms	= 200,
49};
50
51void __init palm27x_mmc_init(int detect, int ro, int power,
52					int power_inverted)
53{
54	palm27x_mci_platform_data.gpio_card_detect	= detect;
55	palm27x_mci_platform_data.gpio_card_ro		= ro;
56	palm27x_mci_platform_data.gpio_power		= power;
57	palm27x_mci_platform_data.gpio_power_invert	= power_inverted;
58
59	pxa_set_mci_info(&palm27x_mci_platform_data);
60}
61#endif
62
63/******************************************************************************
64 * Power management - standby
65 ******************************************************************************/
66#if defined(CONFIG_SUSPEND)
67void __init palm27x_pm_init(unsigned long str_base)
68{
69	static const unsigned long resume[] = {
70		0xe3a00101,	/* mov	r0,	#0x40000000 */
71		0xe380060f,	/* orr	r0, r0, #0x00f00000 */
72		0xe590f008,	/* ldr	pc, [r0, #0x08] */
73	};
74
75	/*
76	 * Copy the bootloader.
77	 * NOTE: PalmZ72 uses a different wakeup method!
78	 */
79	memcpy(phys_to_virt(str_base), resume, sizeof(resume));
80}
81#endif
82
83/******************************************************************************
84 * Framebuffer
85 ******************************************************************************/
86#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
87struct pxafb_mode_info palm_320x480_lcd_mode = {
88	.pixclock	= 57692,
89	.xres		= 320,
90	.yres		= 480,
91	.bpp		= 16,
92
93	.left_margin	= 32,
94	.right_margin	= 1,
95	.upper_margin	= 7,
96	.lower_margin	= 1,
97
98	.hsync_len	= 4,
99	.vsync_len	= 1,
100};
101
102struct pxafb_mode_info palm_320x320_lcd_mode = {
103	.pixclock	= 115384,
104	.xres		= 320,
105	.yres		= 320,
106	.bpp		= 16,
107
108	.left_margin	= 27,
109	.right_margin	= 7,
110	.upper_margin	= 7,
111	.lower_margin	= 8,
112
113	.hsync_len	= 6,
114	.vsync_len	= 1,
115};
116
117struct pxafb_mode_info palm_320x320_new_lcd_mode = {
118	.pixclock	= 86538,
119	.xres		= 320,
120	.yres		= 320,
121	.bpp		= 16,
122
123	.left_margin	= 20,
124	.right_margin	= 8,
125	.upper_margin	= 8,
126	.lower_margin	= 5,
127
128	.hsync_len	= 4,
129	.vsync_len	= 1,
130};
131
132static struct pxafb_mach_info palm27x_lcd_screen = {
133	.num_modes	= 1,
134	.lcd_conn	= LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
135};
136
137static int palm27x_lcd_power;
138static void palm27x_lcd_ctl(int on, struct fb_var_screeninfo *info)
139{
140	gpio_set_value(palm27x_lcd_power, on);
141}
142
143void __init palm27x_lcd_init(int power, struct pxafb_mode_info *mode)
144{
145	palm27x_lcd_screen.modes = mode;
146
147	if (gpio_is_valid(power)) {
148		if (!gpio_request(power, "LCD power")) {
149			pr_err("Palm27x: failed to claim lcd power gpio!\n");
150			return;
151		}
152		if (!gpio_direction_output(power, 1)) {
153			pr_err("Palm27x: lcd power configuration failed!\n");
154			return;
155		}
156		palm27x_lcd_power = power;
157		palm27x_lcd_screen.pxafb_lcd_power = palm27x_lcd_ctl;
158	}
159
160	pxa_set_fb_info(NULL, &palm27x_lcd_screen);
161}
162#endif
163
164/******************************************************************************
165 * USB Gadget
166 ******************************************************************************/
167#if	defined(CONFIG_USB_PXA27X) || \
168	defined(CONFIG_USB_PXA27X_MODULE)
169static struct gpio_vbus_mach_info palm27x_udc_info = {
170	.gpio_vbus_inverted	= 1,
171};
172
173static struct platform_device palm27x_gpio_vbus = {
174	.name	= "gpio-vbus",
175	.id	= -1,
176	.dev	= {
177		.platform_data	= &palm27x_udc_info,
178	},
179};
180
181void __init palm27x_udc_init(int vbus, int pullup, int vbus_inverted)
182{
183	palm27x_udc_info.gpio_vbus	= vbus;
184	palm27x_udc_info.gpio_pullup	= pullup;
185
186	palm27x_udc_info.gpio_vbus_inverted = vbus_inverted;
187
188	if (!gpio_request(pullup, "USB Pullup")) {
189		gpio_direction_output(pullup,
190			palm27x_udc_info.gpio_vbus_inverted);
191		gpio_free(pullup);
192	} else
193		return;
194
195	platform_device_register(&palm27x_gpio_vbus);
196}
197#endif
198
199/******************************************************************************
200 * IrDA
201 ******************************************************************************/
202#if defined(CONFIG_IRDA) || defined(CONFIG_IRDA_MODULE)
203static struct pxaficp_platform_data palm27x_ficp_platform_data = {
204	.transceiver_cap	= IR_SIRMODE | IR_OFF,
205};
206
207void __init palm27x_irda_init(int pwdn)
208{
209	palm27x_ficp_platform_data.gpio_pwdown = pwdn;
210	pxa_set_ficp_info(&palm27x_ficp_platform_data);
211}
212#endif
213
214/******************************************************************************
215 * WM97xx audio, battery
216 ******************************************************************************/
217#if	defined(CONFIG_TOUCHSCREEN_WM97XX) || \
218	defined(CONFIG_TOUCHSCREEN_WM97XX_MODULE)
219static struct wm97xx_batt_pdata palm27x_batt_pdata = {
220	.batt_aux	= WM97XX_AUX_ID3,
221	.temp_aux	= WM97XX_AUX_ID2,
222	.charge_gpio	= -1,
223	.batt_mult	= 1000,
224	.batt_div	= 414,
225	.temp_mult	= 1,
226	.temp_div	= 1,
227	.batt_tech	= POWER_SUPPLY_TECHNOLOGY_LIPO,
228	.batt_name	= "main-batt",
229};
230
231static struct wm97xx_pdata palm27x_wm97xx_pdata = {
232	.batt_pdata	= &palm27x_batt_pdata,
233};
234
235static pxa2xx_audio_ops_t palm27x_ac97_pdata = {
236	.codec_pdata	= { &palm27x_wm97xx_pdata, },
237};
238
239static struct palm27x_asoc_info palm27x_asoc_pdata = {
240	.jack_gpio	= -1,
241};
242
243static struct platform_device palm27x_asoc = {
244	.name = "palm27x-asoc",
245	.id   = -1,
246	.dev  = {
247		.platform_data = &palm27x_asoc_pdata,
248	},
249};
250
251void __init palm27x_ac97_init(int minv, int maxv, int jack, int reset)
252{
253	palm27x_ac97_pdata.reset_gpio	= reset;
254	palm27x_asoc_pdata.jack_gpio	= jack;
255
256	if (minv < 0 || maxv < 0) {
257		palm27x_ac97_pdata.codec_pdata[0] = NULL;
258		pxa_set_ac97_info(&palm27x_ac97_pdata);
259	} else {
260		palm27x_batt_pdata.min_voltage	= minv,
261		palm27x_batt_pdata.max_voltage	= maxv,
262
263		pxa_set_ac97_info(&palm27x_ac97_pdata);
264		platform_device_register(&palm27x_asoc);
265	}
266}
267#endif
268
269/******************************************************************************
270 * Backlight
271 ******************************************************************************/
272#if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
273static int palm_bl_power;
274static int palm_lcd_power;
275
276static int palm27x_backlight_init(struct device *dev)
277{
278	int ret;
279
280	ret = gpio_request(palm_bl_power, "BL POWER");
281	if (ret)
282		goto err;
283	ret = gpio_direction_output(palm_bl_power, 0);
284	if (ret)
285		goto err2;
286
287	if (gpio_is_valid(palm_lcd_power)) {
288		ret = gpio_request(palm_lcd_power, "LCD POWER");
289		if (ret)
290			goto err2;
291		ret = gpio_direction_output(palm_lcd_power, 0);
292		if (ret)
293			goto err3;
294	}
295
296	return 0;
297err3:
298	gpio_free(palm_lcd_power);
299err2:
300	gpio_free(palm_bl_power);
301err:
302	return ret;
303}
304
305static int palm27x_backlight_notify(struct device *dev, int brightness)
306{
307	gpio_set_value(palm_bl_power, brightness);
308	if (gpio_is_valid(palm_lcd_power))
309		gpio_set_value(palm_lcd_power, brightness);
310	return brightness;
311}
312
313static void palm27x_backlight_exit(struct device *dev)
314{
315	gpio_free(palm_bl_power);
316	if (gpio_is_valid(palm_lcd_power))
317		gpio_free(palm_lcd_power);
318}
319
320static struct platform_pwm_backlight_data palm27x_backlight_data = {
321	.pwm_id		= 0,
322	.max_brightness	= 0xfe,
323	.dft_brightness	= 0x7e,
324	.pwm_period_ns	= 3500 * 1024,
325	.enable_gpio	= -1,
326	.init		= palm27x_backlight_init,
327	.notify		= palm27x_backlight_notify,
328	.exit		= palm27x_backlight_exit,
329};
330
331static struct platform_device palm27x_backlight = {
332	.name	= "pwm-backlight",
333	.dev	= {
334		.parent		= &pxa27x_device_pwm0.dev,
335		.platform_data	= &palm27x_backlight_data,
336	},
337};
338
339void __init palm27x_pwm_init(int bl, int lcd)
340{
341	palm_bl_power	= bl;
342	palm_lcd_power	= lcd;
343	platform_device_register(&palm27x_backlight);
344}
345#endif
346
347/******************************************************************************
348 * Power supply
349 ******************************************************************************/
350#if defined(CONFIG_PDA_POWER) || defined(CONFIG_PDA_POWER_MODULE)
351static int palm_ac_state;
352static int palm_usb_state;
353
354static int palm27x_power_supply_init(struct device *dev)
355{
356	int ret;
357
358	ret = gpio_request(palm_ac_state, "AC state");
359	if (ret)
360		goto err1;
361	ret = gpio_direction_input(palm_ac_state);
362	if (ret)
363		goto err2;
364
365	if (gpio_is_valid(palm_usb_state)) {
366		ret = gpio_request(palm_usb_state, "USB state");
367		if (ret)
368			goto err2;
369		ret = gpio_direction_input(palm_usb_state);
370		if (ret)
371			goto err3;
372	}
373
374	return 0;
375err3:
376	gpio_free(palm_usb_state);
377err2:
378	gpio_free(palm_ac_state);
379err1:
380	return ret;
381}
382
383static void palm27x_power_supply_exit(struct device *dev)
384{
385	gpio_free(palm_usb_state);
386	gpio_free(palm_ac_state);
387}
388
389static int palm27x_is_ac_online(void)
390{
391	return gpio_get_value(palm_ac_state);
392}
393
394static int palm27x_is_usb_online(void)
395{
396	return !gpio_get_value(palm_usb_state);
397}
398static char *palm27x_supplicants[] = {
399	"main-battery",
400};
401
402static struct pda_power_pdata palm27x_ps_info = {
403	.init			= palm27x_power_supply_init,
404	.exit			= palm27x_power_supply_exit,
405	.is_ac_online		= palm27x_is_ac_online,
406	.is_usb_online		= palm27x_is_usb_online,
407	.supplied_to		= palm27x_supplicants,
408	.num_supplicants	= ARRAY_SIZE(palm27x_supplicants),
409};
410
411static struct platform_device palm27x_power_supply = {
412	.name = "pda-power",
413	.id   = -1,
414	.dev  = {
415		.platform_data = &palm27x_ps_info,
416	},
417};
418
419void __init palm27x_power_init(int ac, int usb)
420{
421	palm_ac_state	= ac;
422	palm_usb_state	= usb;
423	platform_device_register(&palm27x_power_supply);
424}
425#endif
426
427/******************************************************************************
428 * Core power regulator
429 ******************************************************************************/
430#if defined(CONFIG_REGULATOR_MAX1586) || \
431    defined(CONFIG_REGULATOR_MAX1586_MODULE)
432static struct regulator_consumer_supply palm27x_max1587a_consumers[] = {
433	REGULATOR_SUPPLY("vcc_core", NULL),
434};
435
436static struct regulator_init_data palm27x_max1587a_v3_info = {
437	.constraints = {
438		.name		= "vcc_core range",
439		.min_uV		= 900000,
440		.max_uV		= 1705000,
441		.always_on	= 1,
442		.valid_ops_mask	= REGULATOR_CHANGE_VOLTAGE,
443	},
444	.consumer_supplies	= palm27x_max1587a_consumers,
445	.num_consumer_supplies	= ARRAY_SIZE(palm27x_max1587a_consumers),
446};
447
448static struct max1586_subdev_data palm27x_max1587a_subdevs[] = {
449	{
450		.name		= "vcc_core",
451		.id		= MAX1586_V3,
452		.platform_data	= &palm27x_max1587a_v3_info,
453	}
454};
455
456static struct max1586_platform_data palm27x_max1587a_info = {
457	.subdevs     = palm27x_max1587a_subdevs,
458	.num_subdevs = ARRAY_SIZE(palm27x_max1587a_subdevs),
459	.v3_gain     = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */
460};
461
462static struct i2c_board_info __initdata palm27x_pi2c_board_info[] = {
463	{
464		I2C_BOARD_INFO("max1586", 0x14),
465		.platform_data	= &palm27x_max1587a_info,
466	},
467};
468
469static struct i2c_pxa_platform_data palm27x_i2c_power_info = {
470	.use_pio	= 1,
471};
472
473void __init palm27x_pmic_init(void)
474{
475	i2c_register_board_info(1, ARRAY_AND_SIZE(palm27x_pi2c_board_info));
476	pxa27x_set_i2c_power_info(&palm27x_i2c_power_info);
477}
478#endif
479