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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 <asm/arch/at32ap700x.h>
  22 #include <asm/arch/board.h>
  23 #include <asm/arch/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_info __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 */