Pandora Sourcecodes - openembedded.git/blob

   1 From f7d71be36165002251727019b1a03a19938bfa64 Mon Sep 17 00:00:00 2001
   2 From: Koen Kooi <koen@beagleboard.org>
   3 Date: Mon, 20 Dec 2010 11:57:56 +0100
   4 Subject: [PATCH 13/28] omap3: beagleboard: add WIP support for beagleboardtoys WL12xx board
   5
   6 Based on a patch by Luciano Coelho <luciano.coelho@nokia.com>
   7
   8 Signed-off-by: Koen Kooi <koen@beagleboard.org>
   9 ---
  10  arch/arm/mach-omap2/board-omap3beagle.c |   84 ++++++++++++++++++++++++++++++-
  11  1 files changed, 83 insertions(+), 1 deletions(-)
  12
  13 diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
  14 index 64a181e..59b26da 100644
  15 --- a/arch/arm/mach-omap2/board-omap3beagle.c
  16 +++ b/arch/arm/mach-omap2/board-omap3beagle.c
  17 @@ -146,6 +146,67 @@ fail0:
  18
  19  char expansionboard_name[16];
  20
  21 +#if defined(CONFIG_WL1271) || defined(CONFIG_WL1271_MODULE)
  22 +#include <linux/regulator/fixed.h>
  23 +#include <linux/wl12xx.h>
  24 +
  25 +#define OMAP_BEAGLE_WLAN_EN_GPIO    (139)
  26 +#define OMAP_BEAGLE_WLAN_IRQ_GPIO   (137)
  27 +
  28 +struct wl12xx_platform_data omap_beagle_wlan_data __initdata = {
  29 +       .irq = OMAP_GPIO_IRQ(OMAP_BEAGLE_WLAN_IRQ_GPIO),
  30 +       .board_ref_clock = 2, /* 38.4 MHz */
  31 +};
  32 +
  33 + static struct omap2_hsmmc_info mmcbbt[] = {
  34 +       {
  35 +               .mmc            = 1,
  36 +               .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
  37 +               .gpio_wp        = 29,
  38 +       },
  39 +       {
  40 +               .name           = "wl1271",
  41 +               .mmc            = 2,
  42 +               .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
  43 +               .gpio_wp        = -EINVAL,
  44 +               .gpio_cd        = -EINVAL,
  45 +               .nonremovable   = true,
  46 +       },
  47 +       {}      /* Terminator */
  48 + };
  49 +
  50 +static struct regulator_consumer_supply beagle_vmmc2_supply = {
  51 +       .supply         = "vmmc",
  52 +       .dev_name       = "mmci-omap-hs.1",
  53 +};
  54 +
  55 +static struct regulator_init_data beagle_vmmc2 = {
  56 +       .constraints = {
  57 +               .valid_ops_mask = REGULATOR_CHANGE_STATUS,
  58 +       },
  59 +       .num_consumer_supplies = 1,
  60 +       .consumer_supplies = &beagle_vmmc2_supply,
  61 +};
  62 +
  63 +static struct fixed_voltage_config beagle_vwlan = {
  64 +       .supply_name = "vwl1271",
  65 +       .microvolts = 1800000,  /* 1.8V */
  66 +       .gpio = OMAP_BEAGLE_WLAN_EN_GPIO,
  67 +       .startup_delay = 70000, /* 70ms */
  68 +       .enable_high = 1,
  69 +       .enabled_at_boot = 0,
  70 +       .init_data = &beagle_vmmc2,
  71 +};
  72 +
  73 +static struct platform_device omap_vwlan_device = {
  74 +       .name           = "reg-fixed-voltage",
  75 +       .id             = 1,
  76 +       .dev = {
  77 +               .platform_data = &beagle_vwlan,
  78 +       },
  79 +};
  80 +#endif
  81 +
  82  #if defined(CONFIG_ENC28J60) || defined(CONFIG_ENC28J60_MODULE)
  83
  84  #include <plat/mcspi.h>
  85 @@ -384,11 +445,24 @@ static int beagle_twl_gpio_setup(struct device *dev,
  86         }
  87         /* gpio + 0 is "mmc0_cd" (input/IRQ) */
  88         mmc[0].gpio_cd = gpio + 0;
  89 +#if defined(CONFIG_WL1271) || defined(CONFIG_WL1271_MODULE)
  90 +       if(!strcmp(expansionboard_name, "fixme-beagletoy")) {
  91 +               omap2_hsmmc_init(mmcbbt);
  92 +               /* link regulators to MMC adapters */
  93 +               beagle_vmmc1_supply.dev = mmcbbt[0].dev;
  94 +               beagle_vsim_supply.dev = mmcbbt[0].dev;
  95 +       } else {
  96 +               omap2_hsmmc_init(mmc);
  97 +               /* link regulators to MMC adapters */
  98 +               beagle_vmmc1_supply.dev = mmc[0].dev;
  99 +               beagle_vsim_supply.dev = mmc[0].dev;
 100 +       }
 101 +#else
 102         omap2_hsmmc_init(mmc);
 103 -
 104         /* link regulators to MMC adapters */
 105         beagle_vmmc1_supply.dev = mmc[0].dev;
 106         beagle_vsim_supply.dev = mmc[0].dev;
 107 +#endif
 108
 109         /* REVISIT: need ehci-omap hooks for external VBUS
 110          * power switch and overcurrent detect
 111 @@ -788,6 +862,14 @@ static void __init omap3_beagle_init(void)
 112                 gpio_export(162, 1);
 113         }
 114
 115 +       if(!strcmp(expansionboard_name, "fixme-beagletoy"))
 116 +       {
 117 +               if (wl12xx_set_platform_data(&omap_beagle_wlan_data))
 118 +                       pr_err("error setting wl12xx data\n");
 119 +               printk(KERN_INFO "Beagle expansionboard: registering wl12xx platform device\n");
 120 +               platform_device_register(&omap_vwlan_device);
 121 +       }
 122 +
 123         usb_musb_init(&musb_board_data);
 124         usb_ehci_init(&ehci_pdata);
 125         omap3beagle_flash_init();
 126 --
 127 1.6.6.1
 128