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 ******************************************************************************/
48 static 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)
106 static 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
122 static struct matrix_keymap_data palmt5_matrix_keymap_data = {
123 .keymap = palmt5_matrix_keys,
124 .keymap_size = ARRAY_SIZE(palmt5_matrix_keys),
125 };
126
127 static 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
palmt5_kpc_init(void)135 static void __init palmt5_kpc_init(void)
136 {
137 pxa_set_keypad_info(&palmt5_keypad_platform_data);
138 }
139 #else
palmt5_kpc_init(void)140 static 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)
147 static struct gpio_keys_button palmt5_pxa_buttons[] = {
148 {KEY_F8, GPIO_NR_PALMT5_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
149 };
150
151 static struct gpio_keys_platform_data palmt5_pxa_keys_data = {
152 .buttons = palmt5_pxa_buttons,
153 .nbuttons = ARRAY_SIZE(palmt5_pxa_buttons),
154 };
155
156 static 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
palmt5_keys_init(void)164 static void __init palmt5_keys_init(void)
165 {
166 platform_device_register(&palmt5_pxa_keys);
167 }
168 #else
palmt5_keys_init(void)169 static inline void palmt5_keys_init(void) {}
170 #endif
171
172 /******************************************************************************
173 * Machine init
174 ******************************************************************************/
palmt5_reserve(void)175 static void __init palmt5_reserve(void)
176 {
177 memblock_reserve(0xa0200000, 0x1000);
178 }
179
180 static 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
palmt5_init(void)193 static 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
215 MACHINE_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,
225 MACHINE_END
226