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Linux/arch/avr32/boards/atstk1000/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. */
 28 struct tag *bootloader_tags __initdata;
 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 
 58 struct atmel_lcdfb_pdata __initdata atstk1000_lcdc_data = {
 59         .default_bpp            = 24,
 60         .default_dmacon         = ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN,
 61         .default_lcdcon2        = (ATMEL_LCDC_DISTYPE_TFT
 62                                    | ATMEL_LCDC_INVCLK
 63                                    | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE
 64                                    | ATMEL_LCDC_MEMOR_BIG),
 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 
112 void __init atstk1000_setup_j2_leds(void)
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 */
123 void __init atstk1000_setup_j2_leds(void)
124 {
125 
126 }
127 #endif /* CONFIG_BOARD_ATSTK1000_J2_LED */
128 

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