1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Hardware definitions for Palm LifeDrive
4 *
5 * Author:     Marek Vasut <marek.vasut@gmail.com>
6 *
7 * Based on work of:
8 *		Alex Osborne <ato@meshy.org>
9 *
10 * (find more info at www.hackndev.com)
11 */
12
13#include <linux/platform_device.h>
14#include <linux/delay.h>
15#include <linux/irq.h>
16#include <linux/gpio_keys.h>
17#include <linux/input.h>
18#include <linux/pda_power.h>
19#include <linux/pwm_backlight.h>
20#include <linux/gpio.h>
21#include <linux/wm97xx.h>
22#include <linux/power_supply.h>
23#include <linux/mtd/mtd.h>
24#include <linux/mtd/partitions.h>
25#include <linux/mtd/physmap.h>
26
27#include <asm/mach-types.h>
28#include <asm/mach/arch.h>
29#include <asm/mach/map.h>
30
31#include "pxa27x.h"
32#include <mach/audio.h>
33#include <mach/palmld.h>
34#include <linux/platform_data/mmc-pxamci.h>
35#include <linux/platform_data/video-pxafb.h>
36#include <linux/platform_data/irda-pxaficp.h>
37#include <linux/platform_data/keypad-pxa27x.h>
38#include <linux/platform_data/asoc-palm27x.h>
39#include "palm27x.h"
40
41#include "generic.h"
42#include "devices.h"
43
44/******************************************************************************
45 * Pin configuration
46 ******************************************************************************/
47static unsigned long palmld_pin_config[] __initdata = {
48	/* MMC */
49	GPIO32_MMC_CLK,
50	GPIO92_MMC_DAT_0,
51	GPIO109_MMC_DAT_1,
52	GPIO110_MMC_DAT_2,
53	GPIO111_MMC_DAT_3,
54	GPIO112_MMC_CMD,
55	GPIO14_GPIO,	/* SD detect */
56	GPIO114_GPIO,	/* SD power */
57	GPIO116_GPIO,	/* SD r/o switch */
58
59	/* AC97 */
60	GPIO28_AC97_BITCLK,
61	GPIO29_AC97_SDATA_IN_0,
62	GPIO30_AC97_SDATA_OUT,
63	GPIO31_AC97_SYNC,
64	GPIO89_AC97_SYSCLK,
65	GPIO95_AC97_nRESET,
66
67	/* IrDA */
68	GPIO108_GPIO,	/* ir disable */
69	GPIO46_FICP_RXD,
70	GPIO47_FICP_TXD,
71
72	/* MATRIX KEYPAD */
73	GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
74	GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
75	GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
76	GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
77	GPIO103_KP_MKOUT_0,
78	GPIO104_KP_MKOUT_1,
79	GPIO105_KP_MKOUT_2,
80
81	/* LCD */
82	GPIOxx_LCD_TFT_16BPP,
83
84	/* PWM */
85	GPIO16_PWM0_OUT,
86
87	/* GPIO KEYS */
88	GPIO10_GPIO,	/* hotsync button */
89	GPIO12_GPIO,	/* power switch */
90	GPIO15_GPIO,	/* lock switch */
91
92	/* LEDs */
93	GPIO52_GPIO,	/* green led */
94	GPIO94_GPIO,	/* orange led */
95
96	/* PCMCIA */
97	GPIO48_nPOE,
98	GPIO49_nPWE,
99	GPIO50_nPIOR,
100	GPIO51_nPIOW,
101	GPIO85_nPCE_1,
102	GPIO54_nPCE_2,
103	GPIO79_PSKTSEL,
104	GPIO55_nPREG,
105	GPIO56_nPWAIT,
106	GPIO57_nIOIS16,
107	GPIO36_GPIO,	/* wifi power */
108	GPIO38_GPIO,	/* wifi ready */
109	GPIO81_GPIO,	/* wifi reset */
110
111	/* FFUART */
112	GPIO34_FFUART_RXD,
113	GPIO39_FFUART_TXD,
114
115	/* HDD */
116	GPIO98_GPIO,	/* HDD reset */
117	GPIO115_GPIO,	/* HDD power */
118
119	/* MISC */
120	GPIO13_GPIO,	/* earphone detect */
121};
122
123/******************************************************************************
124 * NOR Flash
125 ******************************************************************************/
126#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
127static struct mtd_partition palmld_partitions[] = {
128	{
129		.name		= "Flash",
130		.offset		= 0x00000000,
131		.size		= MTDPART_SIZ_FULL,
132		.mask_flags	= 0
133	}
134};
135
136static struct physmap_flash_data palmld_flash_data[] = {
137	{
138		.width		= 2,			/* bankwidth in bytes */
139		.parts		= palmld_partitions,
140		.nr_parts	= ARRAY_SIZE(palmld_partitions)
141	}
142};
143
144static struct resource palmld_flash_resource = {
145	.start	= PXA_CS0_PHYS,
146	.end	= PXA_CS0_PHYS + SZ_4M - 1,
147	.flags	= IORESOURCE_MEM,
148};
149
150static struct platform_device palmld_flash = {
151	.name		= "physmap-flash",
152	.id		= 0,
153	.resource	= &palmld_flash_resource,
154	.num_resources	= 1,
155	.dev 		= {
156		.platform_data = palmld_flash_data,
157	},
158};
159
160static void __init palmld_nor_init(void)
161{
162	platform_device_register(&palmld_flash);
163}
164#else
165static inline void palmld_nor_init(void) {}
166#endif
167
168/******************************************************************************
169 * GPIO keyboard
170 ******************************************************************************/
171#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
172static const unsigned int palmld_matrix_keys[] = {
173	KEY(0, 1, KEY_F2),
174	KEY(0, 2, KEY_UP),
175
176	KEY(1, 0, KEY_F3),
177	KEY(1, 1, KEY_F4),
178	KEY(1, 2, KEY_RIGHT),
179
180	KEY(2, 0, KEY_F1),
181	KEY(2, 1, KEY_F5),
182	KEY(2, 2, KEY_DOWN),
183
184	KEY(3, 0, KEY_F6),
185	KEY(3, 1, KEY_ENTER),
186	KEY(3, 2, KEY_LEFT),
187};
188
189static struct matrix_keymap_data palmld_matrix_keymap_data = {
190	.keymap			= palmld_matrix_keys,
191	.keymap_size		= ARRAY_SIZE(palmld_matrix_keys),
192};
193
194static struct pxa27x_keypad_platform_data palmld_keypad_platform_data = {
195	.matrix_key_rows	= 4,
196	.matrix_key_cols	= 3,
197	.matrix_keymap_data	= &palmld_matrix_keymap_data,
198
199	.debounce_interval	= 30,
200};
201
202static void __init palmld_kpc_init(void)
203{
204	pxa_set_keypad_info(&palmld_keypad_platform_data);
205}
206#else
207static inline void palmld_kpc_init(void) {}
208#endif
209
210/******************************************************************************
211 * GPIO keys
212 ******************************************************************************/
213#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
214static struct gpio_keys_button palmld_pxa_buttons[] = {
215	{KEY_F8, GPIO_NR_PALMLD_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
216	{KEY_F9, GPIO_NR_PALMLD_LOCK_SWITCH, 0, "Lock Switch" },
217	{KEY_POWER, GPIO_NR_PALMLD_POWER_SWITCH, 0, "Power Switch" },
218};
219
220static struct gpio_keys_platform_data palmld_pxa_keys_data = {
221	.buttons	= palmld_pxa_buttons,
222	.nbuttons	= ARRAY_SIZE(palmld_pxa_buttons),
223};
224
225static struct platform_device palmld_pxa_keys = {
226	.name	= "gpio-keys",
227	.id	= -1,
228	.dev	= {
229		.platform_data = &palmld_pxa_keys_data,
230	},
231};
232
233static void __init palmld_keys_init(void)
234{
235	platform_device_register(&palmld_pxa_keys);
236}
237#else
238static inline void palmld_keys_init(void) {}
239#endif
240
241/******************************************************************************
242 * LEDs
243 ******************************************************************************/
244#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
245struct gpio_led gpio_leds[] = {
246{
247	.name			= "palmld:green:led",
248	.default_trigger	= "none",
249	.gpio			= GPIO_NR_PALMLD_LED_GREEN,
250}, {
251	.name			= "palmld:amber:led",
252	.default_trigger	= "none",
253	.gpio			= GPIO_NR_PALMLD_LED_AMBER,
254},
255};
256
257static struct gpio_led_platform_data gpio_led_info = {
258	.leds		= gpio_leds,
259	.num_leds	= ARRAY_SIZE(gpio_leds),
260};
261
262static struct platform_device palmld_leds = {
263	.name	= "leds-gpio",
264	.id	= -1,
265	.dev	= {
266		.platform_data	= &gpio_led_info,
267	}
268};
269
270static void __init palmld_leds_init(void)
271{
272	platform_device_register(&palmld_leds);
273}
274#else
275static inline void palmld_leds_init(void) {}
276#endif
277
278/******************************************************************************
279 * HDD
280 ******************************************************************************/
281#if defined(CONFIG_PATA_PALMLD) || defined(CONFIG_PATA_PALMLD_MODULE)
282static struct platform_device palmld_ide_device = {
283	.name	= "pata_palmld",
284	.id	= -1,
285};
286
287static struct gpiod_lookup_table palmld_ide_gpio_table = {
288	.dev_id = "pata_palmld",
289	.table = {
290		GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMLD_IDE_PWEN,
291			    "power", GPIO_ACTIVE_HIGH),
292		GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMLD_IDE_RESET,
293			    "reset", GPIO_ACTIVE_LOW),
294		{ },
295	},
296};
297
298static void __init palmld_ide_init(void)
299{
300	gpiod_add_lookup_table(&palmld_ide_gpio_table);
301	platform_device_register(&palmld_ide_device);
302}
303#else
304static inline void palmld_ide_init(void) {}
305#endif
306
307/******************************************************************************
308 * Machine init
309 ******************************************************************************/
310static struct map_desc palmld_io_desc[] __initdata = {
311{
312	.virtual	= PALMLD_IDE_VIRT,
313	.pfn		= __phys_to_pfn(PALMLD_IDE_PHYS),
314	.length		= PALMLD_IDE_SIZE,
315	.type		= MT_DEVICE
316},
317{
318	.virtual	= PALMLD_USB_VIRT,
319	.pfn		= __phys_to_pfn(PALMLD_USB_PHYS),
320	.length		= PALMLD_USB_SIZE,
321	.type		= MT_DEVICE
322},
323};
324
325static void __init palmld_map_io(void)
326{
327	pxa27x_map_io();
328	iotable_init(palmld_io_desc, ARRAY_SIZE(palmld_io_desc));
329}
330
331static struct gpiod_lookup_table palmld_mci_gpio_table = {
332	.dev_id = "pxa2xx-mci.0",
333	.table = {
334		GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMLD_SD_DETECT_N,
335			    "cd", GPIO_ACTIVE_LOW),
336		GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMLD_SD_READONLY,
337			    "wp", GPIO_ACTIVE_LOW),
338		GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMLD_SD_POWER,
339			    "power", GPIO_ACTIVE_HIGH),
340		{ },
341	},
342};
343
344static void __init palmld_init(void)
345{
346	pxa2xx_mfp_config(ARRAY_AND_SIZE(palmld_pin_config));
347	pxa_set_ffuart_info(NULL);
348	pxa_set_btuart_info(NULL);
349	pxa_set_stuart_info(NULL);
350
351	palm27x_mmc_init(&palmld_mci_gpio_table);
352	palm27x_pm_init(PALMLD_STR_BASE);
353	palm27x_lcd_init(-1, &palm_320x480_lcd_mode);
354	palm27x_irda_init(GPIO_NR_PALMLD_IR_DISABLE);
355	palm27x_ac97_init(PALMLD_BAT_MIN_VOLTAGE, PALMLD_BAT_MAX_VOLTAGE,
356			GPIO_NR_PALMLD_EARPHONE_DETECT, 95);
357	palm27x_pwm_init(GPIO_NR_PALMLD_BL_POWER, GPIO_NR_PALMLD_LCD_POWER);
358	palm27x_power_init(GPIO_NR_PALMLD_POWER_DETECT,
359			GPIO_NR_PALMLD_USB_DETECT_N);
360	palm27x_pmic_init();
361	palmld_kpc_init();
362	palmld_keys_init();
363	palmld_nor_init();
364	palmld_leds_init();
365	palmld_ide_init();
366}
367
368MACHINE_START(PALMLD, "Palm LifeDrive")
369	.atag_offset	= 0x100,
370	.map_io		= palmld_map_io,
371	.nr_irqs	= PXA_NR_IRQS,
372	.init_irq	= pxa27x_init_irq,
373	.handle_irq	= pxa27x_handle_irq,
374	.init_time	= pxa_timer_init,
375	.init_machine	= palmld_init,
376	.restart	= pxa_restart,
377MACHINE_END
378