Commit | Line | Data |
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54088bf5 MV |
1 | /* |
2 | * Hardware definitions for Palm Tungsten|E2 | |
3 | * | |
4 | * Author: | |
5 | * Carlos Eduardo Medaglia Dyonisio <cadu@nerdfeliz.com> | |
6 | * | |
7 | * Rewrite for mainline: | |
8 | * Marek Vasut <marek.vasut@gmail.com> | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License version 2 as | |
12 | * published by the Free Software Foundation. | |
13 | * | |
14 | * (find more info at www.hackndev.com) | |
15 | * | |
16 | */ | |
17 | ||
18 | #include <linux/platform_device.h> | |
19 | #include <linux/delay.h> | |
20 | #include <linux/irq.h> | |
21 | #include <linux/gpio_keys.h> | |
22 | #include <linux/input.h> | |
23 | #include <linux/pwm_backlight.h> | |
24 | #include <linux/gpio.h> | |
25 | ||
26 | #include <asm/mach-types.h> | |
27 | #include <asm/mach/arch.h> | |
28 | #include <asm/mach/map.h> | |
29 | ||
30 | #include <mach/audio.h> | |
31 | #include <mach/palmte2.h> | |
32 | #include <mach/mmc.h> | |
33 | #include <mach/pxafb.h> | |
34 | #include <mach/mfp-pxa25x.h> | |
35 | ||
36 | #include "generic.h" | |
37 | #include "devices.h" | |
38 | ||
39 | /****************************************************************************** | |
40 | * Pin configuration | |
41 | ******************************************************************************/ | |
42 | static unsigned long palmte2_pin_config[] __initdata = { | |
43 | /* MMC */ | |
44 | GPIO6_MMC_CLK, | |
45 | GPIO8_MMC_CS0, | |
46 | GPIO10_GPIO, /* SD detect */ | |
47 | GPIO55_GPIO, /* SD power */ | |
48 | GPIO51_GPIO, /* SD r/o switch */ | |
49 | ||
50 | /* AC97 */ | |
51 | GPIO28_AC97_BITCLK, | |
52 | GPIO29_AC97_SDATA_IN_0, | |
53 | GPIO30_AC97_SDATA_OUT, | |
54 | GPIO31_AC97_SYNC, | |
55 | ||
56 | /* PWM */ | |
57 | GPIO16_PWM0_OUT, | |
58 | ||
59 | /* LCD */ | |
60 | GPIO58_LCD_LDD_0, | |
61 | GPIO59_LCD_LDD_1, | |
62 | GPIO60_LCD_LDD_2, | |
63 | GPIO61_LCD_LDD_3, | |
64 | GPIO62_LCD_LDD_4, | |
65 | GPIO63_LCD_LDD_5, | |
66 | GPIO64_LCD_LDD_6, | |
67 | GPIO65_LCD_LDD_7, | |
68 | GPIO66_LCD_LDD_8, | |
69 | GPIO67_LCD_LDD_9, | |
70 | GPIO68_LCD_LDD_10, | |
71 | GPIO69_LCD_LDD_11, | |
72 | GPIO70_LCD_LDD_12, | |
73 | GPIO71_LCD_LDD_13, | |
74 | GPIO72_LCD_LDD_14, | |
75 | GPIO73_LCD_LDD_15, | |
76 | GPIO74_LCD_FCLK, | |
77 | GPIO75_LCD_LCLK, | |
78 | GPIO76_LCD_PCLK, | |
79 | ||
80 | /* GPIO KEYS */ | |
81 | GPIO5_GPIO, /* notes */ | |
82 | GPIO7_GPIO, /* tasks */ | |
83 | GPIO11_GPIO, /* calendar */ | |
84 | GPIO13_GPIO, /* contacts */ | |
85 | GPIO14_GPIO, /* center */ | |
86 | GPIO19_GPIO, /* left */ | |
87 | GPIO20_GPIO, /* right */ | |
88 | GPIO21_GPIO, /* down */ | |
89 | GPIO22_GPIO, /* up */ | |
90 | ||
91 | /* MISC */ | |
92 | GPIO1_RST, /* reset */ | |
93 | }; | |
94 | ||
95 | /****************************************************************************** | |
96 | * SD/MMC card controller | |
97 | ******************************************************************************/ | |
98 | static int palmte2_mci_init(struct device *dev, | |
99 | irq_handler_t palmte2_detect_int, void *data) | |
100 | { | |
101 | int err = 0; | |
102 | ||
103 | /* Setup an interrupt for detecting card insert/remove events */ | |
104 | err = gpio_request(GPIO_NR_PALMTE2_SD_DETECT_N, "SD IRQ"); | |
105 | if (err) | |
106 | goto err; | |
107 | err = gpio_direction_input(GPIO_NR_PALMTE2_SD_DETECT_N); | |
108 | if (err) | |
109 | goto err2; | |
110 | err = request_irq(gpio_to_irq(GPIO_NR_PALMTE2_SD_DETECT_N), | |
111 | palmte2_detect_int, IRQF_DISABLED | IRQF_SAMPLE_RANDOM | | |
112 | IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING, | |
113 | "SD/MMC card detect", data); | |
114 | if (err) { | |
115 | printk(KERN_ERR "%s: cannot request SD/MMC card detect IRQ\n", | |
116 | __func__); | |
117 | goto err2; | |
118 | } | |
119 | ||
120 | err = gpio_request(GPIO_NR_PALMTE2_SD_POWER, "SD_POWER"); | |
121 | if (err) | |
122 | goto err3; | |
123 | err = gpio_direction_output(GPIO_NR_PALMTE2_SD_POWER, 0); | |
124 | if (err) | |
125 | goto err4; | |
126 | ||
127 | err = gpio_request(GPIO_NR_PALMTE2_SD_READONLY, "SD_READONLY"); | |
128 | if (err) | |
129 | goto err4; | |
130 | err = gpio_direction_input(GPIO_NR_PALMTE2_SD_READONLY); | |
131 | if (err) | |
132 | goto err5; | |
133 | ||
134 | printk(KERN_DEBUG "%s: irq registered\n", __func__); | |
135 | ||
136 | return 0; | |
137 | ||
138 | err5: | |
139 | gpio_free(GPIO_NR_PALMTE2_SD_READONLY); | |
140 | err4: | |
141 | gpio_free(GPIO_NR_PALMTE2_SD_POWER); | |
142 | err3: | |
143 | free_irq(gpio_to_irq(GPIO_NR_PALMTE2_SD_DETECT_N), data); | |
144 | err2: | |
145 | gpio_free(GPIO_NR_PALMTE2_SD_DETECT_N); | |
146 | err: | |
147 | return err; | |
148 | } | |
149 | ||
150 | static void palmte2_mci_exit(struct device *dev, void *data) | |
151 | { | |
152 | gpio_free(GPIO_NR_PALMTE2_SD_READONLY); | |
153 | gpio_free(GPIO_NR_PALMTE2_SD_POWER); | |
154 | free_irq(gpio_to_irq(GPIO_NR_PALMTE2_SD_DETECT_N), data); | |
155 | gpio_free(GPIO_NR_PALMTE2_SD_DETECT_N); | |
156 | } | |
157 | ||
158 | static void palmte2_mci_power(struct device *dev, unsigned int vdd) | |
159 | { | |
160 | struct pxamci_platform_data *p_d = dev->platform_data; | |
161 | gpio_set_value(GPIO_NR_PALMTE2_SD_POWER, p_d->ocr_mask & (1 << vdd)); | |
162 | } | |
163 | ||
164 | static int palmte2_mci_get_ro(struct device *dev) | |
165 | { | |
166 | return gpio_get_value(GPIO_NR_PALMTE2_SD_READONLY); | |
167 | } | |
168 | ||
169 | static struct pxamci_platform_data palmte2_mci_platform_data = { | |
170 | .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, | |
171 | .setpower = palmte2_mci_power, | |
172 | .get_ro = palmte2_mci_get_ro, | |
173 | .init = palmte2_mci_init, | |
174 | .exit = palmte2_mci_exit, | |
175 | }; | |
176 | ||
177 | /****************************************************************************** | |
178 | * GPIO keys | |
179 | ******************************************************************************/ | |
180 | static struct gpio_keys_button palmte2_pxa_buttons[] = { | |
181 | {KEY_F1, GPIO_NR_PALMTE2_KEY_CONTACTS, 1, "Contacts" }, | |
182 | {KEY_F2, GPIO_NR_PALMTE2_KEY_CALENDAR, 1, "Calendar" }, | |
183 | {KEY_F3, GPIO_NR_PALMTE2_KEY_TASKS, 1, "Tasks" }, | |
184 | {KEY_F4, GPIO_NR_PALMTE2_KEY_NOTES, 1, "Notes" }, | |
185 | {KEY_ENTER, GPIO_NR_PALMTE2_KEY_CENTER, 1, "Center" }, | |
186 | {KEY_LEFT, GPIO_NR_PALMTE2_KEY_LEFT, 1, "Left" }, | |
187 | {KEY_RIGHT, GPIO_NR_PALMTE2_KEY_RIGHT, 1, "Right" }, | |
188 | {KEY_DOWN, GPIO_NR_PALMTE2_KEY_DOWN, 1, "Down" }, | |
189 | {KEY_UP, GPIO_NR_PALMTE2_KEY_UP, 1, "Up" }, | |
190 | }; | |
191 | ||
192 | static struct gpio_keys_platform_data palmte2_pxa_keys_data = { | |
193 | .buttons = palmte2_pxa_buttons, | |
194 | .nbuttons = ARRAY_SIZE(palmte2_pxa_buttons), | |
195 | }; | |
196 | ||
197 | static struct platform_device palmte2_pxa_keys = { | |
198 | .name = "gpio-keys", | |
199 | .id = -1, | |
200 | .dev = { | |
201 | .platform_data = &palmte2_pxa_keys_data, | |
202 | }, | |
203 | }; | |
204 | ||
205 | /****************************************************************************** | |
206 | * Backlight | |
207 | ******************************************************************************/ | |
208 | static struct platform_pwm_backlight_data palmte2_backlight_data = { | |
209 | .pwm_id = 0, | |
210 | .max_brightness = PALMTE2_MAX_INTENSITY, | |
211 | .dft_brightness = PALMTE2_MAX_INTENSITY, | |
212 | .pwm_period_ns = PALMTE2_PERIOD_NS, | |
213 | }; | |
214 | ||
215 | static struct platform_device palmte2_backlight = { | |
216 | .name = "pwm-backlight", | |
217 | .dev = { | |
218 | .parent = &pxa25x_device_pwm0.dev, | |
219 | .platform_data = &palmte2_backlight_data, | |
220 | }, | |
221 | }; | |
222 | ||
223 | /****************************************************************************** | |
224 | * Framebuffer | |
225 | ******************************************************************************/ | |
226 | static struct pxafb_mode_info palmte2_lcd_modes[] = { | |
227 | { | |
228 | .pixclock = 77757, | |
229 | .xres = 320, | |
230 | .yres = 320, | |
231 | .bpp = 16, | |
232 | ||
233 | .left_margin = 28, | |
234 | .right_margin = 7, | |
235 | .upper_margin = 7, | |
236 | .lower_margin = 5, | |
237 | ||
238 | .hsync_len = 4, | |
239 | .vsync_len = 1, | |
240 | }, | |
241 | }; | |
242 | ||
243 | static struct pxafb_mach_info palmte2_lcd_screen = { | |
244 | .modes = palmte2_lcd_modes, | |
245 | .num_modes = ARRAY_SIZE(palmte2_lcd_modes), | |
246 | .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL, | |
247 | }; | |
248 | ||
249 | /****************************************************************************** | |
250 | * Machine init | |
251 | ******************************************************************************/ | |
252 | static struct platform_device *devices[] __initdata = { | |
253 | #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) | |
254 | &palmte2_pxa_keys, | |
255 | #endif | |
256 | &palmte2_backlight, | |
257 | }; | |
258 | ||
259 | static void __init palmte2_init(void) | |
260 | { | |
261 | pxa2xx_mfp_config(ARRAY_AND_SIZE(palmte2_pin_config)); | |
262 | ||
263 | set_pxa_fb_info(&palmte2_lcd_screen); | |
264 | pxa_set_mci_info(&palmte2_mci_platform_data); | |
265 | pxa_set_ac97_info(NULL); | |
266 | ||
267 | platform_add_devices(devices, ARRAY_SIZE(devices)); | |
268 | } | |
269 | ||
270 | MACHINE_START(PALMTE2, "Palm Tungsten|E2") | |
271 | .phys_io = 0x40000000, | |
272 | .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, | |
273 | .boot_params = 0xa0000100, | |
274 | .map_io = pxa_map_io, | |
275 | .init_irq = pxa25x_init_irq, | |
276 | .timer = &pxa_timer, | |
277 | .init_machine = palmte2_init | |
278 | MACHINE_END |