1 // SPDX-License-Identifier: GPL-2.0-only
3 * Common code for Palm LD, T5, TX, Z72
5 * Copyright (C) 2010-2011 Marek Vasut <marek.vasut@gmail.com>
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>
23 #include <asm/mach-types.h>
24 #include <asm/mach/arch.h>
25 #include <asm/mach/map.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>
33 #include <linux/platform_data/asoc-palm27x.h>
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,
48 void __init
palm27x_mmc_init(struct gpiod_lookup_table
*gtable
)
51 gpiod_add_lookup_table(gtable
);
52 pxa_set_mci_info(&palm27x_mci_platform_data
);
56 /******************************************************************************
57 * Power management - standby
58 ******************************************************************************/
59 #if defined(CONFIG_SUSPEND)
60 void __init
palm27x_pm_init(unsigned long str_base
)
62 static const unsigned long resume
[] = {
63 0xe3a00101, /* mov r0, #0x40000000 */
64 0xe380060f, /* orr r0, r0, #0x00f00000 */
65 0xe590f008, /* ldr pc, [r0, #0x08] */
69 * Copy the bootloader.
70 * NOTE: PalmZ72 uses a different wakeup method!
72 memcpy(phys_to_virt(str_base
), resume
, sizeof(resume
));
76 /******************************************************************************
78 ******************************************************************************/
79 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
80 struct pxafb_mode_info palm_320x480_lcd_mode
= {
95 struct pxafb_mode_info palm_320x320_lcd_mode
= {
110 struct pxafb_mode_info palm_320x320_new_lcd_mode
= {
125 static struct pxafb_mach_info palm27x_lcd_screen
= {
127 .lcd_conn
= LCD_COLOR_TFT_16BPP
| LCD_PCLK_EDGE_FALL
,
130 static int palm27x_lcd_power
;
131 static void palm27x_lcd_ctl(int on
, struct fb_var_screeninfo
*info
)
133 gpio_set_value(palm27x_lcd_power
, on
);
136 void __init
palm27x_lcd_init(int power
, struct pxafb_mode_info
*mode
)
138 palm27x_lcd_screen
.modes
= mode
;
140 if (gpio_is_valid(power
)) {
141 if (!gpio_request(power
, "LCD power")) {
142 pr_err("Palm27x: failed to claim lcd power gpio!\n");
145 if (!gpio_direction_output(power
, 1)) {
146 pr_err("Palm27x: lcd power configuration failed!\n");
149 palm27x_lcd_power
= power
;
150 palm27x_lcd_screen
.pxafb_lcd_power
= palm27x_lcd_ctl
;
153 pxa_set_fb_info(NULL
, &palm27x_lcd_screen
);
157 /******************************************************************************
159 ******************************************************************************/
160 #if defined(CONFIG_USB_PXA27X) || \
161 defined(CONFIG_USB_PXA27X_MODULE)
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",
167 GPIO_LOOKUP("gpio-pxa", 0,
168 "vbus", GPIO_ACTIVE_HIGH
),
169 GPIO_LOOKUP("gpio-pxa", 0,
170 "pullup", GPIO_ACTIVE_HIGH
),
175 static struct platform_device palm27x_gpio_vbus
= {
180 void __init
palm27x_udc_init(int vbus
, int pullup
, int vbus_inverted
)
182 palm27x_udc_gpiod_table
.table
[0].chip_hwnum
= vbus
;
183 palm27x_udc_gpiod_table
.table
[1].chip_hwnum
= pullup
;
185 palm27x_udc_gpiod_table
.table
[0].flags
= GPIO_ACTIVE_LOW
;
187 gpiod_add_lookup_table(&palm27x_udc_gpiod_table
);
188 platform_device_register(&palm27x_gpio_vbus
);
192 /******************************************************************************
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
,
200 void __init
palm27x_irda_init(int pwdn
)
202 palm27x_ficp_platform_data
.gpio_pwdown
= pwdn
;
203 pxa_set_ficp_info(&palm27x_ficp_platform_data
);
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
,
220 .batt_tech
= POWER_SUPPLY_TECHNOLOGY_LIPO
,
221 .batt_name
= "main-batt",
224 static struct wm97xx_pdata palm27x_wm97xx_pdata
= {
225 .batt_pdata
= &palm27x_batt_pdata
,
228 static pxa2xx_audio_ops_t palm27x_ac97_pdata
= {
229 .codec_pdata
= { &palm27x_wm97xx_pdata
, },
232 static struct palm27x_asoc_info palm27x_asoc_pdata
= {
236 static struct platform_device palm27x_asoc
= {
237 .name
= "palm27x-asoc",
240 .platform_data
= &palm27x_asoc_pdata
,
244 void __init
palm27x_ac97_init(int minv
, int maxv
, int jack
, int reset
)
246 palm27x_ac97_pdata
.reset_gpio
= reset
;
247 palm27x_asoc_pdata
.jack_gpio
= jack
;
249 if (minv
< 0 || maxv
< 0) {
250 palm27x_ac97_pdata
.codec_pdata
[0] = NULL
;
251 pxa_set_ac97_info(&palm27x_ac97_pdata
);
253 palm27x_batt_pdata
.min_voltage
= minv
,
254 palm27x_batt_pdata
.max_voltage
= maxv
,
256 pxa_set_ac97_info(&palm27x_ac97_pdata
);
257 platform_device_register(&palm27x_asoc
);
262 /******************************************************************************
264 ******************************************************************************/
265 #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
266 static struct pwm_lookup palm27x_pwm_lookup
[] = {
267 PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight.0", NULL
, 3500 * 1024,
268 PWM_POLARITY_NORMAL
),
271 static int palm_bl_power
;
272 static int palm_lcd_power
;
274 static int palm27x_backlight_init(struct device
*dev
)
278 ret
= gpio_request(palm_bl_power
, "BL POWER");
281 ret
= gpio_direction_output(palm_bl_power
, 0);
285 if (gpio_is_valid(palm_lcd_power
)) {
286 ret
= gpio_request(palm_lcd_power
, "LCD POWER");
289 ret
= gpio_direction_output(palm_lcd_power
, 0);
296 gpio_free(palm_lcd_power
);
298 gpio_free(palm_bl_power
);
303 static int palm27x_backlight_notify(struct device
*dev
, int brightness
)
305 gpio_set_value(palm_bl_power
, brightness
);
306 if (gpio_is_valid(palm_lcd_power
))
307 gpio_set_value(palm_lcd_power
, brightness
);
311 static void palm27x_backlight_exit(struct device
*dev
)
313 gpio_free(palm_bl_power
);
314 if (gpio_is_valid(palm_lcd_power
))
315 gpio_free(palm_lcd_power
);
318 static 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
,
326 static struct platform_device palm27x_backlight
= {
327 .name
= "pwm-backlight",
329 .parent
= &pxa27x_device_pwm0
.dev
,
330 .platform_data
= &palm27x_backlight_data
,
334 void __init
palm27x_pwm_init(int bl
, int lcd
)
337 palm_lcd_power
= lcd
;
338 pwm_add_table(palm27x_pwm_lookup
, ARRAY_SIZE(palm27x_pwm_lookup
));
339 platform_device_register(&palm27x_backlight
);
343 /******************************************************************************
345 ******************************************************************************/
346 #if defined(CONFIG_PDA_POWER) || defined(CONFIG_PDA_POWER_MODULE)
347 static int palm_ac_state
;
348 static int palm_usb_state
;
350 static int palm27x_power_supply_init(struct device
*dev
)
354 ret
= gpio_request(palm_ac_state
, "AC state");
357 ret
= gpio_direction_input(palm_ac_state
);
361 if (gpio_is_valid(palm_usb_state
)) {
362 ret
= gpio_request(palm_usb_state
, "USB state");
365 ret
= gpio_direction_input(palm_usb_state
);
372 gpio_free(palm_usb_state
);
374 gpio_free(palm_ac_state
);
379 static void palm27x_power_supply_exit(struct device
*dev
)
381 gpio_free(palm_usb_state
);
382 gpio_free(palm_ac_state
);
385 static int palm27x_is_ac_online(void)
387 return gpio_get_value(palm_ac_state
);
390 static int palm27x_is_usb_online(void)
392 return !gpio_get_value(palm_usb_state
);
394 static char *palm27x_supplicants
[] = {
398 static 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
),
407 static struct platform_device palm27x_power_supply
= {
411 .platform_data
= &palm27x_ps_info
,
415 void __init
palm27x_power_init(int ac
, int usb
)
418 palm_usb_state
= usb
;
419 platform_device_register(&palm27x_power_supply
);
423 /******************************************************************************
424 * Core power regulator
425 ******************************************************************************/
426 #if defined(CONFIG_REGULATOR_MAX1586) || \
427 defined(CONFIG_REGULATOR_MAX1586_MODULE)
428 static struct regulator_consumer_supply palm27x_max1587a_consumers
[] = {
429 REGULATOR_SUPPLY("vcc_core", NULL
),
432 static struct regulator_init_data palm27x_max1587a_v3_info
= {
434 .name
= "vcc_core range",
438 .valid_ops_mask
= REGULATOR_CHANGE_VOLTAGE
,
440 .consumer_supplies
= palm27x_max1587a_consumers
,
441 .num_consumer_supplies
= ARRAY_SIZE(palm27x_max1587a_consumers
),
444 static struct max1586_subdev_data palm27x_max1587a_subdevs
[] = {
448 .platform_data
= &palm27x_max1587a_v3_info
,
452 static 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 */
458 static struct i2c_board_info __initdata palm27x_pi2c_board_info
[] = {
460 I2C_BOARD_INFO("max1586", 0x14),
461 .platform_data
= &palm27x_max1587a_info
,
465 static struct i2c_pxa_platform_data palm27x_i2c_power_info
= {
469 void __init
palm27x_pmic_init(void)
471 i2c_register_board_info(1, ARRAY_AND_SIZE(palm27x_pi2c_board_info
));
472 pxa27x_set_i2c_power_info(&palm27x_i2c_power_info
);