target/linux/xburst/patches-2.6.37/008-add-id800wt-board-support.patch

   1 From ac67a626a852d6e720c2cc474b5e8824ad5b0875 Mon Sep 17 00:00:00 2001
   2 From: Lars-Peter Clausen <lars@metafoo.de>
   3 Date: Sun, 5 Sep 2010 20:34:08 +0200
   4 Subject: [PATCH 12/23] MIPS: JZ4740: Add id800wt board
   5
   6 ---
   7  arch/mips/jz4740/Kconfig         |    4 +
   8  arch/mips/jz4740/Makefile        |    1 +
   9  arch/mips/jz4740/board-id800wt.c |  158 ++++++++++++++++++++++++++++++++++++++
  10  3 files changed, 163 insertions(+), 0 deletions(-)
  11  create mode 100644 arch/mips/jz4740/board-id800wt.c
  12
  13 --- a/arch/mips/jz4740/Kconfig
  14 +++ b/arch/mips/jz4740/Kconfig
  15 @@ -14,6 +14,10 @@ config JZ4740_N526
  16         bool "Hanvon n526 eBook reader"
  17         select SOC_JZ4740
  18
  19 +config JZ4740_ID800WT
  20 +       bool "Sungale id800wt picture frame"
  21 +       select SOC_JZ4740
  22 +
  23  endchoice
  24
  25  config HAVE_PWM
  26 --- a/arch/mips/jz4740/Makefile
  27 +++ b/arch/mips/jz4740/Makefile
  28 @@ -14,6 +14,7 @@ obj-$(CONFIG_DEBUG_FS) += clock-debugfs.
  29  obj-$(CONFIG_JZ4740_QI_LB60)   += board-qi_lb60.o
  30  obj-$(CONFIG_JZ4740_N516)      += board-n516.o board-n516-display.o
  31  obj-$(CONFIG_JZ4740_N526)      += board-n526.o
  32 +obj-$(CONFIG_JZ4740_ID800WT)   += board-id800wt.o
  33
  34  # PM support
  35
  36 --- /dev/null
  37 +++ b/arch/mips/jz4740/board-id800wt.c
  38 @@ -0,0 +1,158 @@
  39 +/*
  40 + * Copyright (C) 2010 Lars-Peter Clausen <lars@metafoo.de>
  41 + *
  42 + * This program is free software; you can redistribute it and/or modify
  43 + * it under the terms of the GNU General Public License version 2 or later
  44 + * as published by the Free Software Foundation.
  45 + */
  46 +
  47 +#include <linux/kernel.h>
  48 +#include <linux/init.h>
  49 +#include <linux/gpio.h>
  50 +
  51 +#include <asm/mach-jz4740/platform.h>
  52 +
  53 +#include <linux/input.h>
  54 +#include <linux/power_supply.h>
  55 +#include <linux/pwm_backlight.h>
  56 +
  57 +#include "clock.h"
  58 +
  59 +#include <asm/mach-jz4740/jz4740_fb.h>
  60 +#include <asm/mach-jz4740/jz4740_nand.h>
  61 +
  62 +/* NAND */
  63 +static struct nand_ecclayout id800wt_ecclayout = {
  64 +       .oobfree = {
  65 +               {
  66 +                       .offset = 2,
  67 +                       .length = 4,
  68 +               },
  69 +               {
  70 +                       .offset = 42,
  71 +                       .length = 22,
  72 +               },
  73 +       }
  74 +};
  75 +
  76 +static struct mtd_partition id800wt_partitions[] = {
  77 +       { .name = "NAND BOOT partition",
  78 +         .offset = 0 * 0x100000,
  79 +         .size = 2 * 0x100000,
  80 +       },
  81 +       { .name = "NAND KERNEL partition",
  82 +         .offset = 2 * 0x100000,
  83 +         .size = 4 * 0x100000,
  84 +       },
  85 +       { .name = "NAND ROOTFS partition",
  86 +         .offset = 6 * 0x100000,
  87 +         .size = 498 * 0x100000,
  88 +       },
  89 +};
  90 +
  91 +static struct jz_nand_platform_data id800wt_nand_pdata = {
  92 +       .ecc_layout = &id800wt_ecclayout,
  93 +       .partitions = id800wt_partitions,
  94 +       .num_partitions = ARRAY_SIZE(id800wt_partitions),
  95 +       .busy_gpio = JZ_GPIO_PORTC(30),
  96 +};
  97 +
  98 +/* Display */
  99 +static struct fb_videomode id800wt_video_modes[] = {
 100 +       {
 101 +               .name = "800x600",
 102 +               .xres = 800,
 103 +               .yres = 600,
 104 +               .refresh = 40,
 105 +               .left_margin = 0,
 106 +               .right_margin = 255,
 107 +               .upper_margin = 0,
 108 +               .lower_margin = 35,
 109 +               .hsync_len = 1,
 110 +               .vsync_len = 1,
 111 +               .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
 112 +               .vmode = FB_VMODE_NONINTERLACED,
 113 +       },
 114 +};
 115 +
 116 +static struct jz4740_fb_platform_data id800wt_fb_pdata = {
 117 +       .width          = 60,
 118 +       .height         = 45,
 119 +       .num_modes      = ARRAY_SIZE(id800wt_video_modes),
 120 +       .modes          = id800wt_video_modes,
 121 +       .bpp            = 16,
 122 +       .lcd_type       = JZ_LCD_TYPE_SPECIAL_TFT_1,
 123 +       .pixclk_falling_edge = 1,
 124 +       .special_tft_config = {
 125 +               .spl = JZ4740_FB_SPECIAL_TFT_CONFIG(1051, 1053),
 126 +               .cls = JZ4740_FB_SPECIAL_TFT_CONFIG(631, 744),
 127 +               .ps  = JZ4740_FB_SPECIAL_TFT_CONFIG(0, 45),
 128 +               .rev = JZ4740_FB_SPECIAL_TFT_CONFIG(0, 0),
 129 +       },
 130 +};
 131 +
 132 +/* Backlight */
 133 +static int id800wt_backlight_invert(struct device *dev, int brightness)
 134 +{
 135 +       return 255 - brightness;
 136 +}
 137 +
 138 +static struct platform_pwm_backlight_data id800wt_backlight_data = {
 139 +       .pwm_id = 7,
 140 +       .max_brightness = 255,
 141 +       .dft_brightness = 255,
 142 +       .pwm_period_ns = 8000000,
 143 +       .notify = id800wt_backlight_invert,
 144 +};
 145 +
 146 +static struct platform_device id800wt_backlight_device = {
 147 +       .name = "pwm-backlight",
 148 +       .id = -1,
 149 +       .dev = {
 150 +               .platform_data = &id800wt_backlight_data,
 151 +               .parent = &jz4740_framebuffer_device.dev,
 152 +       },
 153 +};
 154 +
 155 +static struct platform_device *jz_platform_devices[] __initdata = {
 156 +       &jz4740_usb_ohci_device,
 157 +       &jz4740_udc_device,
 158 +       &jz4740_nand_device,
 159 +       &jz4740_framebuffer_device,
 160 +       &jz4740_i2s_device,
 161 +       &jz4740_codec_device,
 162 +       &jz4740_pcm_device,
 163 +       &jz4740_rtc_device,
 164 +       &jz4740_adc_device,
 165 +       &id800wt_backlight_device,
 166 +};
 167 +
 168 +static int __init id800wt_init_platform_devices(void)
 169 +{
 170 +       jz4740_framebuffer_device.dev.platform_data = &id800wt_fb_pdata;
 171 +       jz4740_nand_device.dev.platform_data = &id800wt_nand_pdata;
 172 +
 173 +       jz4740_serial_device_register();
 174 +
 175 +       jz_gpio_enable_pullup(JZ_GPIO_LCD_PS);
 176 +       jz_gpio_enable_pullup(JZ_GPIO_LCD_REV);
 177 +
 178 +       return platform_add_devices(jz_platform_devices,
 179 +                                       ARRAY_SIZE(jz_platform_devices));
 180 +}
 181 +
 182 +struct jz4740_clock_board_data jz4740_clock_bdata = {
 183 +       .ext_rate = 12000000,
 184 +       .rtc_rate = 32768,
 185 +};
 186 +
 187 +static int __init id800wt_board_setup(void)
 188 +{
 189 +       printk("Sungale pictureframe id800wt setup\n");
 190 +
 191 +       if (id800wt_init_platform_devices())
 192 +               panic("Failed to initalize platform devices\n");
 193 +
 194 +       return 0;
 195 +}
 196 +arch_initcall(id800wt_board_setup);