1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Hardware definitions for PalmTX
4 *
5 * Author:     Marek Vasut <marek.vasut@gmail.com>
6 *
7 * Based on work of:
8 *		Alex Osborne <ato@meshy.org>
9 *		Cristiano P. <cristianop@users.sourceforge.net>
10 *		Jan Herman <2hp@seznam.cz>
11 *		Michal Hrusecky
12 *
13 * (find more info at www.hackndev.com)
14 */
15
16#include <linux/platform_device.h>
17#include <linux/delay.h>
18#include <linux/irq.h>
19#include <linux/gpio_keys.h>
20#include <linux/input.h>
21#include <linux/pda_power.h>
22#include <linux/pwm_backlight.h>
23#include <linux/gpio.h>
24#include <linux/wm97xx.h>
25#include <linux/power_supply.h>
26#include <linux/mtd/platnand.h>
27#include <linux/mtd/mtd.h>
28#include <linux/mtd/physmap.h>
29
30#include <asm/mach-types.h>
31#include <asm/mach/arch.h>
32#include <asm/mach/map.h>
33
34#include "pxa27x.h"
35#include <mach/audio.h>
36#include <mach/palmtx.h>
37#include <linux/platform_data/mmc-pxamci.h>
38#include <linux/platform_data/video-pxafb.h>
39#include <linux/platform_data/irda-pxaficp.h>
40#include <linux/platform_data/keypad-pxa27x.h>
41#include "udc.h"
42#include <linux/platform_data/asoc-palm27x.h>
43#include "palm27x.h"
44
45#include "generic.h"
46#include "devices.h"
47
48/******************************************************************************
49 * Pin configuration
50 ******************************************************************************/
51static unsigned long palmtx_pin_config[] __initdata = {
52	/* MMC */
53	GPIO32_MMC_CLK,
54	GPIO92_MMC_DAT_0,
55	GPIO109_MMC_DAT_1,
56	GPIO110_MMC_DAT_2,
57	GPIO111_MMC_DAT_3,
58	GPIO112_MMC_CMD,
59	GPIO14_GPIO,	/* SD detect */
60	GPIO114_GPIO,	/* SD power */
61	GPIO115_GPIO,	/* SD r/o switch */
62
63	/* AC97 */
64	GPIO28_AC97_BITCLK,
65	GPIO29_AC97_SDATA_IN_0,
66	GPIO30_AC97_SDATA_OUT,
67	GPIO31_AC97_SYNC,
68	GPIO89_AC97_SYSCLK,
69	GPIO95_AC97_nRESET,
70
71	/* IrDA */
72	GPIO40_GPIO,	/* ir disable */
73	GPIO46_FICP_RXD,
74	GPIO47_FICP_TXD,
75
76	/* PWM */
77	GPIO16_PWM0_OUT,
78
79	/* USB */
80	GPIO13_GPIO,	/* usb detect */
81	GPIO93_GPIO,	/* usb power */
82
83	/* PCMCIA */
84	GPIO48_nPOE,
85	GPIO49_nPWE,
86	GPIO50_nPIOR,
87	GPIO51_nPIOW,
88	GPIO85_nPCE_1,
89	GPIO54_nPCE_2,
90	GPIO79_PSKTSEL,
91	GPIO55_nPREG,
92	GPIO56_nPWAIT,
93	GPIO57_nIOIS16,
94	GPIO94_GPIO,	/* wifi power 1 */
95	GPIO108_GPIO,	/* wifi power 2 */
96	GPIO116_GPIO,	/* wifi ready */
97
98	/* MATRIX KEYPAD */
99	GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
100	GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
101	GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
102	GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
103	GPIO103_KP_MKOUT_0,
104	GPIO104_KP_MKOUT_1,
105	GPIO105_KP_MKOUT_2,
106
107	/* LCD */
108	GPIOxx_LCD_TFT_16BPP,
109
110	/* FFUART */
111	GPIO34_FFUART_RXD,
112	GPIO39_FFUART_TXD,
113
114	/* NAND */
115	GPIO15_nCS_1,
116	GPIO18_RDY,
117
118	/* MISC. */
119	GPIO10_GPIO,	/* hotsync button */
120	GPIO12_GPIO,	/* power detect */
121	GPIO107_GPIO,	/* earphone detect */
122};
123
124/******************************************************************************
125 * NOR Flash
126 ******************************************************************************/
127#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
128static struct mtd_partition palmtx_partitions[] = {
129	{
130		.name		= "Flash",
131		.offset		= 0x00000000,
132		.size		= MTDPART_SIZ_FULL,
133		.mask_flags	= 0
134	}
135};
136
137static struct physmap_flash_data palmtx_flash_data[] = {
138	{
139		.width		= 2,			/* bankwidth in bytes */
140		.parts		= palmtx_partitions,
141		.nr_parts	= ARRAY_SIZE(palmtx_partitions)
142	}
143};
144
145static struct resource palmtx_flash_resource = {
146	.start	= PXA_CS0_PHYS,
147	.end	= PXA_CS0_PHYS + SZ_8M - 1,
148	.flags	= IORESOURCE_MEM,
149};
150
151static struct platform_device palmtx_flash = {
152	.name		= "physmap-flash",
153	.id		= 0,
154	.resource	= &palmtx_flash_resource,
155	.num_resources	= 1,
156	.dev 		= {
157		.platform_data = palmtx_flash_data,
158	},
159};
160
161static void __init palmtx_nor_init(void)
162{
163	platform_device_register(&palmtx_flash);
164}
165#else
166static inline void palmtx_nor_init(void) {}
167#endif
168
169/******************************************************************************
170 * GPIO keyboard
171 ******************************************************************************/
172#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
173static const unsigned int palmtx_matrix_keys[] = {
174	KEY(0, 0, KEY_POWER),
175	KEY(0, 1, KEY_F1),
176	KEY(0, 2, KEY_ENTER),
177
178	KEY(1, 0, KEY_F2),
179	KEY(1, 1, KEY_F3),
180	KEY(1, 2, KEY_F4),
181
182	KEY(2, 0, KEY_UP),
183	KEY(2, 2, KEY_DOWN),
184
185	KEY(3, 0, KEY_RIGHT),
186	KEY(3, 2, KEY_LEFT),
187};
188
189static struct matrix_keymap_data palmtx_matrix_keymap_data = {
190	.keymap			= palmtx_matrix_keys,
191	.keymap_size		= ARRAY_SIZE(palmtx_matrix_keys),
192};
193
194static struct pxa27x_keypad_platform_data palmtx_keypad_platform_data = {
195	.matrix_key_rows	= 4,
196	.matrix_key_cols	= 3,
197	.matrix_keymap_data	= &palmtx_matrix_keymap_data,
198
199	.debounce_interval	= 30,
200};
201
202static void __init palmtx_kpc_init(void)
203{
204	pxa_set_keypad_info(&palmtx_keypad_platform_data);
205}
206#else
207static inline void palmtx_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 palmtx_pxa_buttons[] = {
215	{KEY_F8, GPIO_NR_PALMTX_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
216};
217
218static struct gpio_keys_platform_data palmtx_pxa_keys_data = {
219	.buttons	= palmtx_pxa_buttons,
220	.nbuttons	= ARRAY_SIZE(palmtx_pxa_buttons),
221};
222
223static struct platform_device palmtx_pxa_keys = {
224	.name	= "gpio-keys",
225	.id	= -1,
226	.dev	= {
227		.platform_data = &palmtx_pxa_keys_data,
228	},
229};
230
231static void __init palmtx_keys_init(void)
232{
233	platform_device_register(&palmtx_pxa_keys);
234}
235#else
236static inline void palmtx_keys_init(void) {}
237#endif
238
239/******************************************************************************
240 * NAND Flash
241 ******************************************************************************/
242#if defined(CONFIG_MTD_NAND_PLATFORM) || \
243	defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
244static void palmtx_nand_cmd_ctl(struct nand_chip *this, int cmd,
245				unsigned int ctrl)
246{
247	char __iomem *nandaddr = this->legacy.IO_ADDR_W;
248
249	if (cmd == NAND_CMD_NONE)
250		return;
251
252	if (ctrl & NAND_CLE)
253		writeb(cmd, PALMTX_NAND_CLE_VIRT);
254	else if (ctrl & NAND_ALE)
255		writeb(cmd, PALMTX_NAND_ALE_VIRT);
256	else
257		writeb(cmd, nandaddr);
258}
259
260static struct mtd_partition palmtx_partition_info[] = {
261	[0] = {
262		.name	= "palmtx-0",
263		.offset	= 0,
264		.size	= MTDPART_SIZ_FULL
265	},
266};
267
268struct platform_nand_data palmtx_nand_platdata = {
269	.chip	= {
270		.nr_chips		= 1,
271		.chip_offset		= 0,
272		.nr_partitions		= ARRAY_SIZE(palmtx_partition_info),
273		.partitions		= palmtx_partition_info,
274		.chip_delay		= 20,
275	},
276	.ctrl	= {
277		.cmd_ctrl	= palmtx_nand_cmd_ctl,
278	},
279};
280
281static struct resource palmtx_nand_resource[] = {
282	[0]	= {
283		.start	= PXA_CS1_PHYS,
284		.end	= PXA_CS1_PHYS + SZ_1M - 1,
285		.flags	= IORESOURCE_MEM,
286	},
287};
288
289static struct platform_device palmtx_nand = {
290	.name		= "gen_nand",
291	.num_resources	= ARRAY_SIZE(palmtx_nand_resource),
292	.resource	= palmtx_nand_resource,
293	.id		= -1,
294	.dev		= {
295		.platform_data	= &palmtx_nand_platdata,
296	}
297};
298
299static void __init palmtx_nand_init(void)
300{
301	platform_device_register(&palmtx_nand);
302}
303#else
304static inline void palmtx_nand_init(void) {}
305#endif
306
307/******************************************************************************
308 * Machine init
309 ******************************************************************************/
310static struct map_desc palmtx_io_desc[] __initdata = {
311{
312	.virtual	= (unsigned long)PALMTX_PCMCIA_VIRT,
313	.pfn		= __phys_to_pfn(PALMTX_PCMCIA_PHYS),
314	.length		= PALMTX_PCMCIA_SIZE,
315	.type		= MT_DEVICE,
316}, {
317	.virtual	= (unsigned long)PALMTX_NAND_ALE_VIRT,
318	.pfn		= __phys_to_pfn(PALMTX_NAND_ALE_PHYS),
319	.length		= SZ_1M,
320	.type		= MT_DEVICE,
321}, {
322	.virtual	= (unsigned long)PALMTX_NAND_CLE_VIRT,
323	.pfn		= __phys_to_pfn(PALMTX_NAND_CLE_PHYS),
324	.length		= SZ_1M,
325	.type		= MT_DEVICE,
326}
327};
328
329static void __init palmtx_map_io(void)
330{
331	pxa27x_map_io();
332	iotable_init(palmtx_io_desc, ARRAY_SIZE(palmtx_io_desc));
333}
334
335static struct gpiod_lookup_table palmtx_mci_gpio_table = {
336	.dev_id = "pxa2xx-mci.0",
337	.table = {
338		GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTX_SD_DETECT_N,
339			    "cd", GPIO_ACTIVE_LOW),
340		GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTX_SD_READONLY,
341			    "wp", GPIO_ACTIVE_LOW),
342		GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTX_SD_POWER,
343			    "power", GPIO_ACTIVE_HIGH),
344		{ },
345	},
346};
347
348static void __init palmtx_init(void)
349{
350	pxa2xx_mfp_config(ARRAY_AND_SIZE(palmtx_pin_config));
351	pxa_set_ffuart_info(NULL);
352	pxa_set_btuart_info(NULL);
353	pxa_set_stuart_info(NULL);
354
355	palm27x_mmc_init(&palmtx_mci_gpio_table);
356	palm27x_pm_init(PALMTX_STR_BASE);
357	palm27x_lcd_init(-1, &palm_320x480_lcd_mode);
358	palm27x_udc_init(GPIO_NR_PALMTX_USB_DETECT_N,
359			GPIO_NR_PALMTX_USB_PULLUP, 1);
360	palm27x_irda_init(GPIO_NR_PALMTX_IR_DISABLE);
361	palm27x_ac97_init(PALMTX_BAT_MIN_VOLTAGE, PALMTX_BAT_MAX_VOLTAGE,
362			GPIO_NR_PALMTX_EARPHONE_DETECT, 95);
363	palm27x_pwm_init(GPIO_NR_PALMTX_BL_POWER, GPIO_NR_PALMTX_LCD_POWER);
364	palm27x_power_init(GPIO_NR_PALMTX_POWER_DETECT, -1);
365	palm27x_pmic_init();
366	palmtx_kpc_init();
367	palmtx_keys_init();
368	palmtx_nor_init();
369	palmtx_nand_init();
370}
371
372MACHINE_START(PALMTX, "Palm T|X")
373	.atag_offset	= 0x100,
374	.map_io		= palmtx_map_io,
375	.nr_irqs	= PXA_NR_IRQS,
376	.init_irq	= pxa27x_init_irq,
377	.handle_irq	= pxa27x_handle_irq,
378	.init_time	= pxa_timer_init,
379	.init_machine	= palmtx_init,
380	.restart	= pxa_restart,
381MACHINE_END
382