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543cd842 M |
1 | /* |
2 | * Hardware definitions for Voipac PXA270 | |
3 | * | |
4 | * Copyright (C) 2010 | |
5 | * Marek Vasut <marek.vasut@gmail.com> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License version 2 as | |
9 | * published by the Free Software Foundation. | |
10 | * | |
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/gpio.h> | |
19 | #include <linux/sysdev.h> | |
20 | #include <linux/mtd/mtd.h> | |
21 | #include <linux/mtd/partitions.h> | |
22 | #include <linux/mtd/physmap.h> | |
23 | ||
24 | #include <asm/mach-types.h> | |
25 | #include <asm/mach/arch.h> | |
26 | ||
27 | #include <mach/pxa27x.h> | |
28 | #include <mach/vpac270.h> | |
29 | #include <mach/mmc.h> | |
30 | #include <mach/pxafb.h> | |
31 | ||
32 | #include "generic.h" | |
33 | #include "devices.h" | |
34 | ||
35 | /****************************************************************************** | |
36 | * Pin configuration | |
37 | ******************************************************************************/ | |
38 | static unsigned long vpac270_pin_config[] __initdata = { | |
39 | /* MMC */ | |
40 | GPIO32_MMC_CLK, | |
41 | GPIO92_MMC_DAT_0, | |
42 | GPIO109_MMC_DAT_1, | |
43 | GPIO110_MMC_DAT_2, | |
44 | GPIO111_MMC_DAT_3, | |
45 | GPIO112_MMC_CMD, | |
46 | GPIO53_GPIO, /* SD detect */ | |
47 | GPIO52_GPIO, /* SD r/o switch */ | |
48 | ||
49 | /* GPIO KEYS */ | |
50 | GPIO1_GPIO, /* USER BTN */ | |
51 | ||
52 | /* LEDs */ | |
53 | GPIO15_GPIO, /* orange led */ | |
54 | ||
55 | /* FFUART */ | |
56 | GPIO34_FFUART_RXD, | |
57 | GPIO39_FFUART_TXD, | |
58 | GPIO27_FFUART_RTS, | |
59 | GPIO100_FFUART_CTS, | |
60 | GPIO33_FFUART_DSR, | |
61 | GPIO40_FFUART_DTR, | |
62 | GPIO10_FFUART_DCD, | |
63 | GPIO38_FFUART_RI, | |
64 | ||
65 | /* LCD */ | |
66 | GPIO58_LCD_LDD_0, | |
67 | GPIO59_LCD_LDD_1, | |
68 | GPIO60_LCD_LDD_2, | |
69 | GPIO61_LCD_LDD_3, | |
70 | GPIO62_LCD_LDD_4, | |
71 | GPIO63_LCD_LDD_5, | |
72 | GPIO64_LCD_LDD_6, | |
73 | GPIO65_LCD_LDD_7, | |
74 | GPIO66_LCD_LDD_8, | |
75 | GPIO67_LCD_LDD_9, | |
76 | GPIO68_LCD_LDD_10, | |
77 | GPIO69_LCD_LDD_11, | |
78 | GPIO70_LCD_LDD_12, | |
79 | GPIO71_LCD_LDD_13, | |
80 | GPIO72_LCD_LDD_14, | |
81 | GPIO73_LCD_LDD_15, | |
82 | GPIO86_LCD_LDD_16, | |
83 | GPIO87_LCD_LDD_17, | |
84 | GPIO74_LCD_FCLK, | |
85 | GPIO75_LCD_LCLK, | |
86 | GPIO76_LCD_PCLK, | |
87 | GPIO77_LCD_BIAS, | |
88 | }; | |
89 | ||
90 | /****************************************************************************** | |
91 | * NOR Flash | |
92 | ******************************************************************************/ | |
93 | #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE) | |
94 | static struct mtd_partition vpac270_partitions[] = { | |
95 | { | |
96 | .name = "Flash", | |
97 | .offset = 0x00000000, | |
98 | .size = MTDPART_SIZ_FULL, | |
99 | } | |
100 | }; | |
101 | ||
102 | static struct physmap_flash_data vpac270_flash_data[] = { | |
103 | { | |
104 | .width = 2, /* bankwidth in bytes */ | |
105 | .parts = vpac270_partitions, | |
106 | .nr_parts = ARRAY_SIZE(vpac270_partitions) | |
107 | } | |
108 | }; | |
109 | ||
110 | static struct resource vpac270_flash_resource = { | |
111 | .start = PXA_CS0_PHYS, | |
112 | .end = PXA_CS0_PHYS + SZ_64M - 1, | |
113 | .flags = IORESOURCE_MEM, | |
114 | }; | |
115 | ||
116 | static struct platform_device vpac270_flash = { | |
117 | .name = "physmap-flash", | |
118 | .id = 0, | |
119 | .resource = &vpac270_flash_resource, | |
120 | .num_resources = 1, | |
121 | .dev = { | |
122 | .platform_data = vpac270_flash_data, | |
123 | }, | |
124 | }; | |
125 | static void __init vpac270_nor_init(void) | |
126 | { | |
127 | platform_device_register(&vpac270_flash); | |
128 | } | |
129 | #else | |
130 | static inline void vpac270_nor_init(void) {} | |
131 | #endif | |
132 | ||
133 | /****************************************************************************** | |
134 | * SD/MMC card controller | |
135 | ******************************************************************************/ | |
136 | #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE) | |
137 | static struct pxamci_platform_data vpac270_mci_platform_data = { | |
138 | .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, | |
139 | .gpio_card_detect = GPIO53_VPAC270_SD_DETECT_N, | |
140 | .gpio_card_ro = GPIO52_VPAC270_SD_READONLY, | |
141 | .detect_delay = 20, | |
142 | }; | |
143 | ||
144 | static void __init vpac270_mmc_init(void) | |
145 | { | |
146 | pxa_set_mci_info(&vpac270_mci_platform_data); | |
147 | } | |
148 | #else | |
149 | static inline void vpac270_mmc_init(void) {} | |
150 | #endif | |
151 | ||
152 | /****************************************************************************** | |
153 | * GPIO keys | |
154 | ******************************************************************************/ | |
155 | #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) | |
156 | static struct gpio_keys_button vpac270_pxa_buttons[] = { | |
157 | {KEY_POWER, GPIO1_VPAC270_USER_BTN, 0, "USER BTN"}, | |
158 | }; | |
159 | ||
160 | static struct gpio_keys_platform_data vpac270_pxa_keys_data = { | |
161 | .buttons = vpac270_pxa_buttons, | |
162 | .nbuttons = ARRAY_SIZE(vpac270_pxa_buttons), | |
163 | }; | |
164 | ||
165 | static struct platform_device vpac270_pxa_keys = { | |
166 | .name = "gpio-keys", | |
167 | .id = -1, | |
168 | .dev = { | |
169 | .platform_data = &vpac270_pxa_keys_data, | |
170 | }, | |
171 | }; | |
172 | ||
173 | static void __init vpac270_keys_init(void) | |
174 | { | |
175 | platform_device_register(&vpac270_pxa_keys); | |
176 | } | |
177 | #else | |
178 | static inline void vpac270_keys_init(void) {} | |
179 | #endif | |
180 | ||
181 | /****************************************************************************** | |
182 | * LED | |
183 | ******************************************************************************/ | |
184 | #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE) | |
185 | struct gpio_led vpac270_gpio_leds[] = { | |
186 | { | |
187 | .name = "vpac270:orange:user", | |
188 | .default_trigger = "none", | |
189 | .gpio = GPIO15_VPAC270_LED_ORANGE, | |
190 | .active_low = 1, | |
191 | } | |
192 | }; | |
193 | ||
194 | static struct gpio_led_platform_data vpac270_gpio_led_info = { | |
195 | .leds = vpac270_gpio_leds, | |
196 | .num_leds = ARRAY_SIZE(vpac270_gpio_leds), | |
197 | }; | |
198 | ||
199 | static struct platform_device vpac270_leds = { | |
200 | .name = "leds-gpio", | |
201 | .id = -1, | |
202 | .dev = { | |
203 | .platform_data = &vpac270_gpio_led_info, | |
204 | } | |
205 | }; | |
206 | ||
207 | static void __init vpac270_leds_init(void) | |
208 | { | |
209 | platform_device_register(&vpac270_leds); | |
210 | } | |
211 | #else | |
212 | static inline void vpac270_leds_init(void) {} | |
213 | #endif | |
214 | ||
215 | /****************************************************************************** | |
216 | * Framebuffer | |
217 | ******************************************************************************/ | |
218 | #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) | |
219 | static struct pxafb_mode_info vpac270_lcd_modes[] = { | |
220 | { | |
221 | .pixclock = 57692, | |
222 | .xres = 640, | |
223 | .yres = 480, | |
224 | .bpp = 32, | |
225 | .depth = 18, | |
226 | ||
227 | .left_margin = 144, | |
228 | .right_margin = 32, | |
229 | .upper_margin = 13, | |
230 | .lower_margin = 30, | |
231 | ||
232 | .hsync_len = 32, | |
233 | .vsync_len = 2, | |
234 | ||
235 | .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
236 | }, | |
237 | }; | |
238 | ||
239 | static struct pxafb_mach_info vpac270_lcd_screen = { | |
240 | .modes = vpac270_lcd_modes, | |
241 | .num_modes = ARRAY_SIZE(vpac270_lcd_modes), | |
242 | .lcd_conn = LCD_COLOR_TFT_18BPP, | |
243 | }; | |
244 | ||
245 | static void vpac270_lcd_power(int on, struct fb_var_screeninfo *info) | |
246 | { | |
247 | gpio_set_value(GPIO81_VPAC270_BKL_ON, on); | |
248 | } | |
249 | ||
250 | static void __init vpac270_lcd_init(void) | |
251 | { | |
252 | int ret; | |
253 | ||
254 | ret = gpio_request(GPIO81_VPAC270_BKL_ON, "BKL-ON"); | |
255 | if (ret) { | |
256 | pr_err("Requesting BKL-ON GPIO failed!\n"); | |
257 | goto err; | |
258 | } | |
259 | ||
260 | ret = gpio_direction_output(GPIO81_VPAC270_BKL_ON, 1); | |
261 | if (ret) { | |
262 | pr_err("Setting BKL-ON GPIO direction failed!\n"); | |
263 | goto err2; | |
264 | } | |
265 | ||
266 | vpac270_lcd_screen.pxafb_lcd_power = vpac270_lcd_power; | |
267 | set_pxa_fb_info(&vpac270_lcd_screen); | |
268 | return; | |
269 | ||
270 | err2: | |
271 | gpio_free(GPIO81_VPAC270_BKL_ON); | |
272 | err: | |
273 | return; | |
274 | } | |
275 | #else | |
276 | static inline void vpac270_lcd_init(void) {} | |
277 | #endif | |
278 | ||
279 | /****************************************************************************** | |
280 | * Machine init | |
281 | ******************************************************************************/ | |
282 | static void __init vpac270_init(void) | |
283 | { | |
284 | pxa2xx_mfp_config(ARRAY_AND_SIZE(vpac270_pin_config)); | |
285 | ||
286 | pxa_set_ffuart_info(NULL); | |
287 | pxa_set_btuart_info(NULL); | |
288 | pxa_set_stuart_info(NULL); | |
289 | ||
290 | vpac270_lcd_init(); | |
291 | vpac270_mmc_init(); | |
292 | vpac270_nor_init(); | |
293 | vpac270_leds_init(); | |
294 | vpac270_keys_init(); | |
295 | } | |
296 | ||
297 | MACHINE_START(VPAC270, "Voipac PXA270") | |
298 | .phys_io = 0x40000000, | |
299 | .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, | |
300 | .boot_params = 0xa0000100, | |
301 | .map_io = pxa_map_io, | |
302 | .init_irq = pxa27x_init_irq, | |
303 | .timer = &pxa_timer, | |
304 | .init_machine = vpac270_init | |
305 | MACHINE_END |