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)
43static 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
48void __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)
60void __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)
80struct 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
95struct 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
110struct 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
125static struct pxafb_mach_info palm27x_lcd_screen = {
126	.num_modes	= 1,
127	.lcd_conn	= LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
128};
129
130static int palm27x_lcd_power;
131static void palm27x_lcd_ctl(int on, struct fb_var_screeninfo *info)
132{
133	gpio_set_value(palm27x_lcd_power, on);
134}
135
136void __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 */
164static 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
175static struct platform_device palm27x_gpio_vbus = {
176	.name	= "gpio-vbus",
177	.id	= -1,
178};
179
180void __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)
196static struct pxaficp_platform_data palm27x_ficp_platform_data = {
197	.transceiver_cap	= IR_SIRMODE | IR_OFF,
198};
199
200void __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)
212static struct wm97xx_batt_pdata palm27x_batt_pdata = {
213	.batt_aux	= WM97XX_AUX_ID3,
214	.temp_aux	= WM97XX_AUX_ID2,
215	.charge_gpio	= -1,
216	.batt_mult	= 1000,
217	.batt_div	= 414,
218	.temp_mult	= 1,
219	.temp_div	= 1,
220	.batt_tech	= POWER_SUPPLY_TECHNOLOGY_LIPO,
221	.batt_name	= "main-batt",
222};
223
224static struct wm97xx_pdata palm27x_wm97xx_pdata = {
225	.batt_pdata	= &palm27x_batt_pdata,
226};
227
228static pxa2xx_audio_ops_t palm27x_ac97_pdata = {
229	.codec_pdata	= { &palm27x_wm97xx_pdata, },
230};
231
232static struct palm27x_asoc_info palm27x_asoc_pdata = {
233	.jack_gpio	= -1,
234};
235
236static struct platform_device palm27x_asoc = {
237	.name = "palm27x-asoc",
238	.id   = -1,
239	.dev  = {
240		.platform_data = &palm27x_asoc_pdata,
241	},
242};
243
244void __init palm27x_ac97_init(int minv, int maxv, int jack, int reset)
245{
246	palm27x_ac97_pdata.reset_gpio	= reset;
247	palm27x_asoc_pdata.jack_gpio	= jack;
248
249	if (minv < 0 || maxv < 0) {
250		palm27x_ac97_pdata.codec_pdata[0] = NULL;
251		pxa_set_ac97_info(&palm27x_ac97_pdata);
252	} else {
253		palm27x_batt_pdata.min_voltage	= minv,
254		palm27x_batt_pdata.max_voltage	= maxv,
255
256		pxa_set_ac97_info(&palm27x_ac97_pdata);
257		platform_device_register(&palm27x_asoc);
258	}
259}
260#endif
261
262/******************************************************************************
263 * Backlight
264 ******************************************************************************/
265#if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
266static struct pwm_lookup palm27x_pwm_lookup[] = {
267	PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight.0", NULL, 3500 * 1024,
268		   PWM_POLARITY_NORMAL),
269};
270
271static int palm_bl_power;
272static int palm_lcd_power;
273
274static int palm27x_backlight_init(struct device *dev)
275{
276	int ret;
277
278	ret = gpio_request(palm_bl_power, "BL POWER");
279	if (ret)
280		goto err;
281	ret = gpio_direction_output(palm_bl_power, 0);
282	if (ret)
283		goto err2;
284
285	if (gpio_is_valid(palm_lcd_power)) {
286		ret = gpio_request(palm_lcd_power, "LCD POWER");
287		if (ret)
288			goto err2;
289		ret = gpio_direction_output(palm_lcd_power, 0);
290		if (ret)
291			goto err3;
292	}
293
294	return 0;
295err3:
296	gpio_free(palm_lcd_power);
297err2:
298	gpio_free(palm_bl_power);
299err:
300	return ret;
301}
302
303static int palm27x_backlight_notify(struct device *dev, int brightness)
304{
305	gpio_set_value(palm_bl_power, brightness);
306	if (gpio_is_valid(palm_lcd_power))
307		gpio_set_value(palm_lcd_power, brightness);
308	return brightness;
309}
310
311static void palm27x_backlight_exit(struct device *dev)
312{
313	gpio_free(palm_bl_power);
314	if (gpio_is_valid(palm_lcd_power))
315		gpio_free(palm_lcd_power);
316}
317
318static struct platform_pwm_backlight_data palm27x_backlight_data = {
319	.max_brightness	= 0xfe,
320	.dft_brightness	= 0x7e,
321	.init		= palm27x_backlight_init,
322	.notify		= palm27x_backlight_notify,
323	.exit		= palm27x_backlight_exit,
324};
325
326static struct platform_device palm27x_backlight = {
327	.name	= "pwm-backlight",
328	.dev	= {
329		.parent		= &pxa27x_device_pwm0.dev,
330		.platform_data	= &palm27x_backlight_data,
331	},
332};
333
334void __init palm27x_pwm_init(int bl, int lcd)
335{
336	palm_bl_power	= bl;
337	palm_lcd_power	= lcd;
338	pwm_add_table(palm27x_pwm_lookup, ARRAY_SIZE(palm27x_pwm_lookup));
339	platform_device_register(&palm27x_backlight);
340}
341#endif
342
343/******************************************************************************
344 * Power supply
345 ******************************************************************************/
346#if defined(CONFIG_PDA_POWER) || defined(CONFIG_PDA_POWER_MODULE)
347static int palm_ac_state;
348static int palm_usb_state;
349
350static int palm27x_power_supply_init(struct device *dev)
351{
352	int ret;
353
354	ret = gpio_request(palm_ac_state, "AC state");
355	if (ret)
356		goto err1;
357	ret = gpio_direction_input(palm_ac_state);
358	if (ret)
359		goto err2;
360
361	if (gpio_is_valid(palm_usb_state)) {
362		ret = gpio_request(palm_usb_state, "USB state");
363		if (ret)
364			goto err2;
365		ret = gpio_direction_input(palm_usb_state);
366		if (ret)
367			goto err3;
368	}
369
370	return 0;
371err3:
372	gpio_free(palm_usb_state);
373err2:
374	gpio_free(palm_ac_state);
375err1:
376	return ret;
377}
378
379static void palm27x_power_supply_exit(struct device *dev)
380{
381	gpio_free(palm_usb_state);
382	gpio_free(palm_ac_state);
383}
384
385static int palm27x_is_ac_online(void)
386{
387	return gpio_get_value(palm_ac_state);
388}
389
390static int palm27x_is_usb_online(void)
391{
392	return !gpio_get_value(palm_usb_state);
393}
394static char *palm27x_supplicants[] = {
395	"main-battery",
396};
397
398static struct pda_power_pdata palm27x_ps_info = {
399	.init			= palm27x_power_supply_init,
400	.exit			= palm27x_power_supply_exit,
401	.is_ac_online		= palm27x_is_ac_online,
402	.is_usb_online		= palm27x_is_usb_online,
403	.supplied_to		= palm27x_supplicants,
404	.num_supplicants	= ARRAY_SIZE(palm27x_supplicants),
405};
406
407static struct platform_device palm27x_power_supply = {
408	.name = "pda-power",
409	.id   = -1,
410	.dev  = {
411		.platform_data = &palm27x_ps_info,
412	},
413};
414
415void __init palm27x_power_init(int ac, int usb)
416{
417	palm_ac_state	= ac;
418	palm_usb_state	= usb;
419	platform_device_register(&palm27x_power_supply);
420}
421#endif
422
423/******************************************************************************
424 * Core power regulator
425 ******************************************************************************/
426#if defined(CONFIG_REGULATOR_MAX1586) || \
427    defined(CONFIG_REGULATOR_MAX1586_MODULE)
428static struct regulator_consumer_supply palm27x_max1587a_consumers[] = {
429	REGULATOR_SUPPLY("vcc_core", NULL),
430};
431
432static struct regulator_init_data palm27x_max1587a_v3_info = {
433	.constraints = {
434		.name		= "vcc_core range",
435		.min_uV		= 900000,
436		.max_uV		= 1705000,
437		.always_on	= 1,
438		.valid_ops_mask	= REGULATOR_CHANGE_VOLTAGE,
439	},
440	.consumer_supplies	= palm27x_max1587a_consumers,
441	.num_consumer_supplies	= ARRAY_SIZE(palm27x_max1587a_consumers),
442};
443
444static struct max1586_subdev_data palm27x_max1587a_subdevs[] = {
445	{
446		.name		= "vcc_core",
447		.id		= MAX1586_V3,
448		.platform_data	= &palm27x_max1587a_v3_info,
449	}
450};
451
452static struct max1586_platform_data palm27x_max1587a_info = {
453	.subdevs     = palm27x_max1587a_subdevs,
454	.num_subdevs = ARRAY_SIZE(palm27x_max1587a_subdevs),
455	.v3_gain     = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */
456};
457
458static struct i2c_board_info __initdata palm27x_pi2c_board_info[] = {
459	{
460		I2C_BOARD_INFO("max1586", 0x14),
461		.platform_data	= &palm27x_max1587a_info,
462	},
463};
464
465static struct i2c_pxa_platform_data palm27x_i2c_power_info = {
466	.use_pio	= 1,
467};
468
469void __init palm27x_pmic_init(void)
470{
471	i2c_register_board_info(1, ARRAY_AND_SIZE(palm27x_pi2c_board_info));
472	pxa27x_set_i2c_power_info(&palm27x_i2c_power_info);
473}
474#endif
475