Linux Kernel  3.7.1
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setup.c
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1 /*
2  * ATSTK1000 board-specific setup code.
3  *
4  * Copyright (C) 2005-2006 Atmel Corporation
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 as
8  * published by the Free Software Foundation.
9  */
10 #include <linux/bootmem.h>
11 #include <linux/fb.h>
12 #include <linux/init.h>
13 #include <linux/platform_device.h>
14 #include <linux/types.h>
15 #include <linux/linkage.h>
16 
17 #include <video/atmel_lcdc.h>
18 
19 #include <asm/setup.h>
20 
21 #include <mach/at32ap700x.h>
22 #include <mach/board.h>
23 #include <mach/portmux.h>
24 
25 #include "atstk1000.h"
26 
27 /* Initialized by bootloader-specific startup code. */
29 
30 static struct fb_videomode __initdata ltv350qv_modes[] = {
31  {
32  .name = "320x240 @ 75",
33  .refresh = 75,
34  .xres = 320, .yres = 240,
35  .pixclock = KHZ2PICOS(6891),
36 
37  .left_margin = 17, .right_margin = 33,
38  .upper_margin = 10, .lower_margin = 10,
39  .hsync_len = 16, .vsync_len = 1,
40 
41  .sync = 0,
42  .vmode = FB_VMODE_NONINTERLACED,
43  },
44 };
45 
46 static struct fb_monspecs __initdata atstk1000_default_monspecs = {
47  .manufacturer = "SNG",
48  .monitor = "LTV350QV",
49  .modedb = ltv350qv_modes,
50  .modedb_len = ARRAY_SIZE(ltv350qv_modes),
51  .hfmin = 14820,
52  .hfmax = 22230,
53  .vfmin = 60,
54  .vfmax = 90,
55  .dclkmax = 30000000,
56 };
57 
59  .default_bpp = 24,
60  .default_dmacon = ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN,
61  .default_lcdcon2 = (ATMEL_LCDC_DISTYPE_TFT
65  .default_monspecs = &atstk1000_default_monspecs,
66  .guard_time = 2,
67 };
68 
69 #ifdef CONFIG_BOARD_ATSTK1000_J2_LED
70 #include <linux/leds.h>
71 
72 static struct gpio_led stk1000_j2_led[] = {
73 #ifdef CONFIG_BOARD_ATSTK1000_J2_LED8
74 #define LEDSTRING "J2 jumpered to LED8"
75  { .name = "led0:amber", .gpio = GPIO_PIN_PB( 8), },
76  { .name = "led1:amber", .gpio = GPIO_PIN_PB( 9), },
77  { .name = "led2:amber", .gpio = GPIO_PIN_PB(10), },
78  { .name = "led3:amber", .gpio = GPIO_PIN_PB(13), },
79  { .name = "led4:amber", .gpio = GPIO_PIN_PB(14), },
80  { .name = "led5:amber", .gpio = GPIO_PIN_PB(15), },
81  { .name = "led6:amber", .gpio = GPIO_PIN_PB(16), },
82  { .name = "led7:amber", .gpio = GPIO_PIN_PB(30),
83  .default_trigger = "heartbeat", },
84 #else /* RGB */
85 #define LEDSTRING "J2 jumpered to RGB LEDs"
86  { .name = "r1:red", .gpio = GPIO_PIN_PB( 8), },
87  { .name = "g1:green", .gpio = GPIO_PIN_PB(10), },
88  { .name = "b1:blue", .gpio = GPIO_PIN_PB(14), },
89 
90  { .name = "r2:red", .gpio = GPIO_PIN_PB( 9),
91  .default_trigger = "heartbeat", },
92  { .name = "g2:green", .gpio = GPIO_PIN_PB(13), },
93  { .name = "b2:blue", .gpio = GPIO_PIN_PB(15),
94  .default_trigger = "heartbeat", },
95  /* PB16, PB30 unused */
96 #endif
97 };
98 
99 static struct gpio_led_platform_data stk1000_j2_led_data = {
100  .num_leds = ARRAY_SIZE(stk1000_j2_led),
101  .leds = stk1000_j2_led,
102 };
103 
104 static struct platform_device stk1000_j2_led_dev = {
105  .name = "leds-gpio",
106  .id = 2, /* gpio block J2 */
107  .dev = {
108  .platform_data = &stk1000_j2_led_data,
109  },
110 };
111 
113 {
114  unsigned i;
115 
116  for (i = 0; i < ARRAY_SIZE(stk1000_j2_led); i++)
117  at32_select_gpio(stk1000_j2_led[i].gpio, AT32_GPIOF_OUTPUT);
118 
119  printk("STK1000: " LEDSTRING "\n");
120  platform_device_register(&stk1000_j2_led_dev);
121 }
122 #else /* CONFIG_BOARD_ATSTK1000_J2_LED */
124 {
125 
126 }
127 #endif /* CONFIG_BOARD_ATSTK1000_J2_LED */