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diff --git a/arch/avr32/boards/atngw100/mrmt.c b/arch/avr32/boards/atngw100/mrmt.c
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1/*
2 * Board-specific setup code for Remote Media Terminal 1 (RMT1)
3 * add-on board for the ATNGW100 Network Gateway
4 *
5 * Copyright (C) 2008 Mediama Technologies
6 * Based on ATNGW100 Network Gateway (Copyright (C) Atmel)
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 */
12#include <linux/gpio.h>
13#include <linux/init.h>
14#include <linux/irq.h>
15#include <linux/linkage.h>
16#include <linux/platform_device.h>
17#include <linux/types.h>
18#include <linux/fb.h>
19#include <linux/leds.h>
20#include <linux/input.h>
21#include <linux/gpio_keys.h>
22#include <linux/atmel_serial.h>
23#include <linux/spi/spi.h>
24#include <linux/spi/ads7846.h>
25
26#include <video/atmel_lcdc.h>
27#include <sound/atmel-ac97c.h>
28
29#include <asm/delay.h>
30#include <asm/io.h>
31#include <asm/setup.h>
32
33#include <mach/at32ap700x.h>
34#include <mach/board.h>
35#include <mach/init.h>
36#include <mach/portmux.h>
37
38/* Define board-specifoic GPIO assignments */
39#define PIN_LCD_BL GPIO_PIN_PA(28)
40#define PWM_CH_BL 0 /* Must match with GPIO pin definition */
41#define PIN_LCD_DISP GPIO_PIN_PA(31)
42#define PIN_AC97_RST_N GPIO_PIN_PA(30)
43#define PB_EXTINT_BASE 25
44#define TS_IRQ 0
45#define PIN_TS_EXTINT GPIO_PIN_PB(PB_EXTINT_BASE+TS_IRQ)
46#define PIN_PB_LEFT GPIO_PIN_PB(11)
47#define PIN_PB_RIGHT GPIO_PIN_PB(12)
48#define PIN_PWR_SW_N GPIO_PIN_PB(14)
49#define PIN_PWR_ON GPIO_PIN_PB(13)
50#define PIN_ZB_RST_N GPIO_PIN_PA(21)
51#define PIN_BT_RST GPIO_PIN_PA(22)
52#define PIN_LED_SYS GPIO_PIN_PA(16)
53#define PIN_LED_A GPIO_PIN_PA(19)
54#define PIN_LED_B GPIO_PIN_PE(19)
55
56#ifdef CONFIG_BOARD_MRMT_LCD_LQ043T3DX0X
57/* Sharp LQ043T3DX0x (or compatible) panel */
58static struct fb_videomode __initdata lcd_fb_modes[] = {
59 {
60 .name = "480x272 @ 59.94Hz",
61 .refresh = 59.94,
62 .xres = 480, .yres = 272,
63 .pixclock = KHZ2PICOS(9000),
64
65 .left_margin = 2, .right_margin = 2,
66 .upper_margin = 3, .lower_margin = 9,
67 .hsync_len = 41, .vsync_len = 1,
68
69 .sync = 0,
70 .vmode = FB_VMODE_NONINTERLACED,
71 },
72};
73
74static struct fb_monspecs __initdata lcd_fb_default_monspecs = {
75 .manufacturer = "SHA",
76 .monitor = "LQ043T3DX02",
77 .modedb = lcd_fb_modes,
78 .modedb_len = ARRAY_SIZE(lcd_fb_modes),
79 .hfmin = 14915,
80 .hfmax = 17638,
81 .vfmin = 53,
82 .vfmax = 61,
83 .dclkmax = 9260000,
84};
85
86static struct atmel_lcdfb_info __initdata rmt_lcdc_data = {
87 .default_bpp = 24,
88 .default_dmacon = ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN,
89 .default_lcdcon2 = (ATMEL_LCDC_DISTYPE_TFT
90 | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE
91 | ATMEL_LCDC_INVCLK_NORMAL
92 | ATMEL_LCDC_MEMOR_BIG),
93 .lcd_wiring_mode = ATMEL_LCDC_WIRING_RGB,
94 .default_monspecs = &lcd_fb_default_monspecs,
95 .guard_time = 2,
96};
97#endif
98
99#ifdef CONFIG_BOARD_MRMT_LCD_KWH043GM08
100/* Sharp KWH043GM08-Fxx (or compatible) panel */
101static struct fb_videomode __initdata lcd_fb_modes[] = {
102 {
103 .name = "480x272 @ 59.94Hz",
104 .refresh = 59.94,
105 .xres = 480, .yres = 272,
106 .pixclock = KHZ2PICOS(9000),
107
108 .left_margin = 2, .right_margin = 2,
109 .upper_margin = 3, .lower_margin = 9,
110 .hsync_len = 41, .vsync_len = 1,
111
112 .sync = 0,
113 .vmode = FB_VMODE_NONINTERLACED,
114 },
115};
116
117static struct fb_monspecs __initdata lcd_fb_default_monspecs = {
118 .manufacturer = "FOR",
119 .monitor = "KWH043GM08",
120 .modedb = lcd_fb_modes,
121 .modedb_len = ARRAY_SIZE(lcd_fb_modes),
122 .hfmin = 14915,
123 .hfmax = 17638,
124 .vfmin = 53,
125 .vfmax = 61,
126 .dclkmax = 9260000,
127};
128
129static struct atmel_lcdfb_info __initdata rmt_lcdc_data = {
130 .default_bpp = 24,
131 .default_dmacon = ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN,
132 .default_lcdcon2 = (ATMEL_LCDC_DISTYPE_TFT
133 | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE
134 | ATMEL_LCDC_INVCLK_INVERTED
135 | ATMEL_LCDC_MEMOR_BIG),
136 .lcd_wiring_mode = ATMEL_LCDC_WIRING_RGB,
137 .default_monspecs = &lcd_fb_default_monspecs,
138 .guard_time = 2,
139};
140#endif
141
142#ifdef CONFIG_BOARD_MRMT_AC97
143static struct ac97c_platform_data __initdata ac97c0_data = {
144 .reset_pin = PIN_AC97_RST_N,
145};
146#endif
147
148#ifdef CONFIG_BOARD_MRMT_UCB1400_TS
149/* NOTE: IRQ assignment relies on kernel module parameter */
150static struct platform_device rmt_ts_device = {
151 .name = "ucb1400_ts",
152 .id = -1,
153 }
154};
155#endif
156
157#ifdef CONFIG_BOARD_MRMT_BL_PWM
158/* PWM LEDs: LCD Backlight, etc */
159static struct gpio_led rmt_pwm_led[] = {
160 /* here the "gpio" is actually a PWM channel */
161 { .name = "backlight", .gpio = PWM_CH_BL, },
162};
163
164static struct gpio_led_platform_data rmt_pwm_led_data = {
165 .num_leds = ARRAY_SIZE(rmt_pwm_led),
166 .leds = rmt_pwm_led,
167};
168
169static struct platform_device rmt_pwm_led_dev = {
170 .name = "leds-atmel-pwm",
171 .id = -1,
172 .dev = {
173 .platform_data = &rmt_pwm_led_data,
174 },
175};
176#endif
177
178#ifdef CONFIG_BOARD_MRMT_ADS7846_TS
179static int ads7846_pendown_state(void)
180{
181 return !gpio_get_value( PIN_TS_EXTINT ); /* PENIRQ.*/
182}
183
184static struct ads7846_platform_data ads_info = {
185 .model = 7846,
186 .keep_vref_on = 0, /* Use external VREF pin */
187 .vref_delay_usecs = 0,
188 .vref_mv = 3300, /* VREF = 3.3V */
189 .settle_delay_usecs = 800,
190 .penirq_recheck_delay_usecs = 800,
191 .x_plate_ohms = 750,
192 .y_plate_ohms = 300,
193 .pressure_max = 4096,
194 .debounce_max = 1,
195 .debounce_rep = 0,
196 .debounce_tol = (~0),
197 .get_pendown_state = ads7846_pendown_state,
198 .filter = NULL,
199 .filter_init = NULL,
200};
201
202static struct spi_board_info spi01_board_info[] __initdata = {
203 {
204 .modalias = "ads7846",
205 .max_speed_hz = 31250*26,
206 .bus_num = 0,
207 .chip_select = 1,
208 .platform_data = &ads_info,
209 .irq = AT32_EXTINT(TS_IRQ),
210 },
211};
212#endif
213
214/* GPIO Keys: left, right, power, etc */
215static const struct gpio_keys_button rmt_gpio_keys_buttons[] = {
216 [0] = {
217 .type = EV_KEY,
218 .code = KEY_POWER,
219 .gpio = PIN_PWR_SW_N,
220 .active_low = 1,
221 .desc = "power button",
222 },
223 [1] = {
224 .type = EV_KEY,
225 .code = KEY_LEFT,
226 .gpio = PIN_PB_LEFT,
227 .active_low = 1,
228 .desc = "left button",
229 },
230 [2] = {
231 .type = EV_KEY,
232 .code = KEY_RIGHT,
233 .gpio = PIN_PB_RIGHT,
234 .active_low = 1,
235 .desc = "right button",
236 },
237};
238
239static const struct gpio_keys_platform_data rmt_gpio_keys_data = {
240 .nbuttons = ARRAY_SIZE(rmt_gpio_keys_buttons),
241 .buttons = (void *) rmt_gpio_keys_buttons,
242};
243
244static struct platform_device rmt_gpio_keys = {
245 .name = "gpio-keys",
246 .id = -1,
247 .dev = {
248 .platform_data = (void *) &rmt_gpio_keys_data,
249 }
250};
251
252#ifdef CONFIG_BOARD_MRMT_RTC_I2C
253static struct i2c_board_info __initdata mrmt1_i2c_rtc = {
254 I2C_BOARD_INFO("s35390a", 0x30),
255 .irq = 0,
256};
257#endif
258
259static void mrmt_power_off(void)
260{
261 /* PWR_ON=0 will force power off */
262 gpio_set_value( PIN_PWR_ON, 0 );
263}
264
265static int __init mrmt1_init(void)
266{
267 gpio_set_value( PIN_PWR_ON, 1 ); /* Ensure PWR_ON is enabled */
268
269 pm_power_off = mrmt_power_off;
270
271 /* Setup USARTS (other than console) */
272 at32_map_usart(2, 1, 0); /* USART 2: /dev/ttyS1, RMT1:DB9M */
273 at32_map_usart(3, 2, ATMEL_USART_RTS | ATMEL_USART_CTS);
274 /* USART 3: /dev/ttyS2, RMT1:Wireless, w/ RTS/CTS */
275 at32_add_device_usart(1);
276 at32_add_device_usart(2);
277
278 /* Select GPIO Key pins */
279 at32_select_gpio( PIN_PWR_SW_N, AT32_GPIOF_DEGLITCH);
280 at32_select_gpio( PIN_PB_LEFT, AT32_GPIOF_DEGLITCH);
281 at32_select_gpio( PIN_PB_RIGHT, AT32_GPIOF_DEGLITCH);
282 platform_device_register(&rmt_gpio_keys);
283
284#ifdef CONFIG_BOARD_MRMT_RTC_I2C
285 i2c_register_board_info(0, &mrmt1_i2c_rtc, 1);
286#endif
287
288#ifndef CONFIG_BOARD_MRMT_LCD_DISABLE
289 /* User "alternate" LCDC inferface on Port E & D */
290 /* NB: exclude LCDC_CC pin, as NGW100 reserves it for other use */
291 at32_add_device_lcdc(0, &rmt_lcdc_data,
292 fbmem_start, fbmem_size,
293 (ATMEL_LCDC_ALT_24BIT | ATMEL_LCDC_PE_DVAL ) );
294#endif
295
296#ifdef CONFIG_BOARD_MRMT_AC97
297 at32_add_device_ac97c(0, &ac97c0_data, AC97C_BOTH);
298#endif
299
300#ifdef CONFIG_BOARD_MRMT_ADS7846_TS
301 /* Select the Touchscreen interrupt pin mode */
302 at32_select_periph( GPIO_PIOB_BASE, 1 << (PB_EXTINT_BASE+TS_IRQ),
303 GPIO_PERIPH_A, AT32_GPIOF_DEGLITCH);
304 set_irq_type( AT32_EXTINT(TS_IRQ), IRQ_TYPE_EDGE_FALLING );
305 spi_register_board_info(spi01_board_info,ARRAY_SIZE(spi01_board_info));
306#endif
307
308#ifdef CONFIG_BOARD_MRMT_UCB1400_TS
309 /* Select the Touchscreen interrupt pin mode */
310 at32_select_periph( GPIO_PIOB_BASE, 1 << (PB_EXTINT_BASE+TS_IRQ),
311 GPIO_PERIPH_A, AT32_GPIOF_DEGLITCH);
312 platform_device_register(&rmt_ts_device);
313#endif
314
315 at32_select_gpio( PIN_LCD_DISP, AT32_GPIOF_OUTPUT );
316 gpio_request( PIN_LCD_DISP, "LCD_DISP" );
317 gpio_direction_output( PIN_LCD_DISP, 0 ); /* LCD DISP */
318#ifdef CONFIG_BOARD_MRMT_LCD_DISABLE
319 /* Keep Backlight and DISP off */
320 at32_select_gpio( PIN_LCD_BL, AT32_GPIOF_OUTPUT );
321 gpio_request( PIN_LCD_BL, "LCD_BL" );
322 gpio_direction_output( PIN_LCD_BL, 0 ); /* Backlight */
323#else
324 gpio_set_value( PIN_LCD_DISP, 1 ); /* DISP asserted first */
325#ifdef CONFIG_BOARD_MRMT_BL_PWM
326 /* Use PWM for Backlight controls */
327 at32_add_device_pwm(1 << PWM_CH_BL);
328 platform_device_register(&rmt_pwm_led_dev);
329#else
330 /* Backlight always on */
331 udelay( 1 );
332 at32_select_gpio( PIN_LCD_BL, AT32_GPIOF_OUTPUT );
333 gpio_request( PIN_LCD_BL, "LCD_BL" );
334 gpio_direction_output( PIN_LCD_BL, 1 );
335#endif
336#endif
337
338 /* Make sure BT and Zigbee modules in reset */
339 at32_select_gpio( PIN_BT_RST, AT32_GPIOF_OUTPUT );
340 gpio_request( PIN_BT_RST, "BT_RST" );
341 gpio_direction_output( PIN_BT_RST, 1 );
342 /* BT Module in Reset */
343
344 at32_select_gpio( PIN_ZB_RST_N, AT32_GPIOF_OUTPUT );
345 gpio_request( PIN_ZB_RST_N, "ZB_RST_N" );
346 gpio_direction_output( PIN_ZB_RST_N, 0 );
347 /* XBee Module in Reset */
348
349#ifdef CONFIG_BOARD_MRMT_WIRELESS_ZB
350 udelay( 1000 );
351 /* Unreset the XBee Module */
352 gpio_set_value( PIN_ZB_RST_N, 1 );
353#endif
354#ifdef CONFIG_BOARD_MRMT_WIRELESS_BT
355 udelay( 1000 );
356 /* Unreset the BT Module */
357 gpio_set_value( PIN_BT_RST, 0 );
358#endif
359
360 return 0;
361}
362arch_initcall(mrmt1_init);
363
364static int __init mrmt1_early_init(void)
365{
366 /* To maintain power-on signal in case boot loader did not already */
367 at32_select_gpio( PIN_PWR_ON, AT32_GPIOF_OUTPUT );
368 gpio_request( PIN_PWR_ON, "PIN_PWR_ON" );
369 gpio_direction_output( PIN_PWR_ON, 1 );
370
371 return 0;
372}
373core_initcall(mrmt1_early_init);
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-05 16:22:13 -0500