1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Hardware definitions for Palm Tungsten|T5
4 *
5 * Author:	Marek Vasut <marek.vasut@gmail.com>
6 *
7 * Based on work of:
8 *		Ales Snuparek <snuparek@atlas.cz>
9 *		Justin Kendrick <twilightsentry@gmail.com>
10 *		RichardT5 <richard_t5@users.sourceforge.net>
11 *
12 * (find more info at www.hackndev.com)
13 */
14
15#include <linux/platform_device.h>
16#include <linux/delay.h>
17#include <linux/irq.h>
18#include <linux/gpio_keys.h>
19#include <linux/input.h>
20#include <linux/memblock.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
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 "palmt5.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 "udc.h"
39#include <linux/platform_data/asoc-palm27x.h>
40#include "palm27x.h"
41
42#include "generic.h"
43#include "devices.h"
44
45/******************************************************************************
46 * Pin configuration
47 ******************************************************************************/
48static unsigned long palmt5_pin_config[] __initdata = {
49	/* MMC */
50	GPIO32_MMC_CLK,
51	GPIO92_MMC_DAT_0,
52	GPIO109_MMC_DAT_1,
53	GPIO110_MMC_DAT_2,
54	GPIO111_MMC_DAT_3,
55	GPIO112_MMC_CMD,
56	GPIO14_GPIO,	/* SD detect */
57	GPIO114_GPIO,	/* SD power */
58	GPIO115_GPIO,	/* SD r/o switch */
59
60	/* AC97 */
61	GPIO28_AC97_BITCLK,
62	GPIO29_AC97_SDATA_IN_0,
63	GPIO30_AC97_SDATA_OUT,
64	GPIO31_AC97_SYNC,
65	GPIO89_AC97_SYSCLK,
66	GPIO95_AC97_nRESET,
67
68	/* IrDA */
69	GPIO40_GPIO,	/* ir disable */
70	GPIO46_FICP_RXD,
71	GPIO47_FICP_TXD,
72
73	/* USB */
74	GPIO15_GPIO,	/* usb detect */
75	GPIO93_GPIO,	/* usb power */
76
77	/* MATRIX KEYPAD */
78	GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
79	GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
80	GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
81	GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
82	GPIO103_KP_MKOUT_0,
83	GPIO104_KP_MKOUT_1,
84	GPIO105_KP_MKOUT_2,
85
86	/* LCD */
87	GPIOxx_LCD_TFT_16BPP,
88
89	/* PWM */
90	GPIO16_PWM0_OUT,
91
92	/* FFUART */
93	GPIO34_FFUART_RXD,
94	GPIO39_FFUART_TXD,
95
96	/* MISC */
97	GPIO10_GPIO,	/* hotsync button */
98	GPIO90_GPIO,	/* power detect */
99	GPIO107_GPIO,	/* earphone detect */
100};
101
102/******************************************************************************
103 * GPIO keyboard
104 ******************************************************************************/
105#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
106static const unsigned int palmt5_matrix_keys[] = {
107	KEY(0, 0, KEY_POWER),
108	KEY(0, 1, KEY_F1),
109	KEY(0, 2, KEY_ENTER),
110
111	KEY(1, 0, KEY_F2),
112	KEY(1, 1, KEY_F3),
113	KEY(1, 2, KEY_F4),
114
115	KEY(2, 0, KEY_UP),
116	KEY(2, 2, KEY_DOWN),
117
118	KEY(3, 0, KEY_RIGHT),
119	KEY(3, 2, KEY_LEFT),
120};
121
122static struct matrix_keymap_data palmt5_matrix_keymap_data = {
123	.keymap			= palmt5_matrix_keys,
124	.keymap_size		= ARRAY_SIZE(palmt5_matrix_keys),
125};
126
127static struct pxa27x_keypad_platform_data palmt5_keypad_platform_data = {
128	.matrix_key_rows	= 4,
129	.matrix_key_cols	= 3,
130	.matrix_keymap_data	= &palmt5_matrix_keymap_data,
131
132	.debounce_interval	= 30,
133};
134
135static void __init palmt5_kpc_init(void)
136{
137	pxa_set_keypad_info(&palmt5_keypad_platform_data);
138}
139#else
140static inline void palmt5_kpc_init(void) {}
141#endif
142
143/******************************************************************************
144 * GPIO keys
145 ******************************************************************************/
146#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
147static struct gpio_keys_button palmt5_pxa_buttons[] = {
148	{KEY_F8, GPIO_NR_PALMT5_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
149};
150
151static struct gpio_keys_platform_data palmt5_pxa_keys_data = {
152	.buttons	= palmt5_pxa_buttons,
153	.nbuttons	= ARRAY_SIZE(palmt5_pxa_buttons),
154};
155
156static struct platform_device palmt5_pxa_keys = {
157	.name	= "gpio-keys",
158	.id	= -1,
159	.dev	= {
160		.platform_data = &palmt5_pxa_keys_data,
161	},
162};
163
164static void __init palmt5_keys_init(void)
165{
166	platform_device_register(&palmt5_pxa_keys);
167}
168#else
169static inline void palmt5_keys_init(void) {}
170#endif
171
172/******************************************************************************
173 * Machine init
174 ******************************************************************************/
175static void __init palmt5_reserve(void)
176{
177	memblock_reserve(0xa0200000, 0x1000);
178}
179
180static struct gpiod_lookup_table palmt5_mci_gpio_table = {
181	.dev_id = "pxa2xx-mci.0",
182	.table = {
183		GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMT5_SD_DETECT_N,
184			    "cd", GPIO_ACTIVE_LOW),
185		GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMT5_SD_READONLY,
186			    "wp", GPIO_ACTIVE_LOW),
187		GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMT5_SD_POWER,
188			    "power", GPIO_ACTIVE_HIGH),
189		{ },
190	},
191};
192
193static void __init palmt5_init(void)
194{
195	pxa2xx_mfp_config(ARRAY_AND_SIZE(palmt5_pin_config));
196	pxa_set_ffuart_info(NULL);
197	pxa_set_btuart_info(NULL);
198	pxa_set_stuart_info(NULL);
199
200	palm27x_mmc_init(&palmt5_mci_gpio_table);
201	palm27x_pm_init(PALMT5_STR_BASE);
202	palm27x_lcd_init(-1, &palm_320x480_lcd_mode);
203	palm27x_udc_init(GPIO_NR_PALMT5_USB_DETECT_N,
204			GPIO_NR_PALMT5_USB_PULLUP, 1);
205	palm27x_irda_init(GPIO_NR_PALMT5_IR_DISABLE);
206	palm27x_ac97_init(PALMT5_BAT_MIN_VOLTAGE, PALMT5_BAT_MAX_VOLTAGE,
207			GPIO_NR_PALMT5_EARPHONE_DETECT, 95);
208	palm27x_pwm_init(GPIO_NR_PALMT5_BL_POWER, GPIO_NR_PALMT5_LCD_POWER);
209	palm27x_power_init(GPIO_NR_PALMT5_POWER_DETECT, -1);
210	palm27x_pmic_init();
211	palmt5_kpc_init();
212	palmt5_keys_init();
213}
214
215MACHINE_START(PALMT5, "Palm Tungsten|T5")
216	.atag_offset	= 0x100,
217	.map_io		= pxa27x_map_io,
218	.reserve	= palmt5_reserve,
219	.nr_irqs	= PXA_NR_IRQS,
220	.init_irq	= pxa27x_init_irq,
221	.handle_irq	= pxa27x_handle_irq,
222	.init_time	= pxa_timer_init,
223	.init_machine	= palmt5_init,
224	.restart	= pxa_restart,
225MACHINE_END
226