src/patches/kernel/omap/beagle/expansion/0006-Beagle-expansion-add-wifi.patch

   1 From f78cd93d767cd75969c4661723cfce46071e5b1b Mon Sep 17 00:00:00 2001
   2 From: Robert Nelson <robertcnelson@gmail.com>
   3 Date: Tue, 11 Dec 2012 06:48:52 -0600
   4 Subject: [PATCH 06/10] Beagle: expansion: add wifi
   5
   6 build fixes from Pantelis Antoniou <panto@antoniou-consulting.com>
   7
   8 Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
   9 ---
  10  arch/arm/mach-omap2/board-omap3beagle.c |  119 +++++++++++++++++++++++++++++++
  11  1 file changed, 119 insertions(+)
  12
  13 diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
  14 index a8de97e..2322d6c 100644
  15 --- a/arch/arm/mach-omap2/board-omap3beagle.c
  16 +++ b/arch/arm/mach-omap2/board-omap3beagle.c
  17 @@ -221,6 +221,73 @@ static struct {
  18         .i2c_settings = EXPANSION_I2C_NONE,
  19  };
  20
  21 +#if IS_ENABLED(CONFIG_WL12XX)
  22 +#include <linux/regulator/fixed.h>
  23 +#include <linux/ti_wilink_st.h>
  24 +#include <linux/wl12xx.h>
  25 +
  26 +#define OMAP_BEAGLE_WLAN_EN_GPIO    (139)
  27 +#define OMAP_BEAGLE_BT_EN_GPIO      (138)
  28 +#define OMAP_BEAGLE_WLAN_IRQ_GPIO   (137)
  29 +#define OMAP_BEAGLE_FM_EN_BT_WU     (136)
  30 +
  31 +struct wl12xx_platform_data omap_beagle_wlan_data __initdata = {
  32 +       .board_ref_clock = WL12XX_REFCLOCK_38, /* 38.4 MHz */
  33 +};
  34 +
  35 +static struct ti_st_plat_data wilink_platform_data = {
  36 +       .nshutdown_gpio = OMAP_BEAGLE_BT_EN_GPIO,
  37 +       .dev_name               = "/dev/ttyO1",
  38 +       .flow_cntrl             = 1,
  39 +       .baud_rate              = 3000000,
  40 +       .chip_enable    = NULL,
  41 +       .suspend                = NULL,
  42 +       .resume                 = NULL,
  43 +};
  44 +
  45 +static struct platform_device wl12xx_device = {
  46 +               .name           = "kim",
  47 +               .id                     = -1,
  48 +               .dev.platform_data = &wilink_platform_data,
  49 +};
  50 +
  51 +static struct platform_device btwilink_device = {
  52 +       .name   = "btwilink",
  53 +       .id     = -1,
  54 +};
  55 +#endif
  56 +
  57 +static struct regulator_consumer_supply beagle_vmmc2_supply =
  58 +       REGULATOR_SUPPLY("vmmc", "omap_hsmmc.1");
  59 +
  60 +static struct regulator_init_data beagle_vmmc2 = {
  61 +       .constraints = {
  62 +               .valid_ops_mask = REGULATOR_CHANGE_STATUS,
  63 +       },
  64 +       .num_consumer_supplies = 1,
  65 +       .consumer_supplies = &beagle_vmmc2_supply,
  66 +};
  67 +
  68 +#if IS_ENABLED(CONFIG_WL12XX)
  69 +static struct fixed_voltage_config beagle_vwlan = {
  70 +       .supply_name = "vwl1271",
  71 +       .microvolts = 1800000,  /* 1.8V */
  72 +       .gpio = OMAP_BEAGLE_WLAN_EN_GPIO,
  73 +       .startup_delay = 70000, /* 70ms */
  74 +       .enable_high = 1,
  75 +       .enabled_at_boot = 0,
  76 +       .init_data = &beagle_vmmc2,
  77 +};
  78 +
  79 +static struct platform_device omap_vwlan_device = {
  80 +       .name           = "reg-fixed-voltage",
  81 +       .id             = 1,
  82 +       .dev = {
  83 +               .platform_data = &beagle_vwlan,
  84 +       },
  85 +};
  86 +#endif
  87 +
  88  //rcn-ee: this is just a fake regulator, the zippy hardware provides 3.3/1.8 with jumper..
  89  static struct fixed_voltage_config beagle_vzippy = {
  90         .supply_name = "vzippy",
  91 @@ -459,6 +526,26 @@ static struct omap2_hsmmc_info mmc_zippy[] = {
  92         },
  93         {}      /* Terminator */
  94  };
  95 +
  96 +static struct omap2_hsmmc_info mmcbbt[] = {
  97 +       {
  98 +               .mmc            = 1,
  99 +               .caps           = MMC_CAP_4_BIT_DATA,
 100 +               .gpio_wp        = -EINVAL,
 101 +               .deferred       = true,
 102 +       },
 103 +       {
 104 +               .name           = "wl1271",
 105 +               .mmc            = 2,
 106 +               .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
 107 +               .gpio_wp        = -EINVAL,
 108 +               .gpio_cd        = -EINVAL,
 109 +               .ocr_mask       = MMC_VDD_165_195,
 110 +               .nonremovable   = true,
 111 +       },
 112 +       {}      /* Terminator */
 113 +};
 114 +
 115  static struct regulator_consumer_supply beagle_vmmc1_supply[] = {
 116         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
 117  };
 118 @@ -490,6 +577,13 @@ static int beagle_twl_gpio_setup(struct device *dev,
 119         int r;
 120
 121         switch (expansion_config.mmc_settings) {
 122 +       case EXPANSION_MMC_WIFI:
 123 +               mmcbbt[0].gpio_wp = beagle_config.mmc1_gpio_wp;
 124 +               /* gpio + 0 is "mmc0_cd" (input/IRQ) */
 125 +               mmcbbt[0].gpio_cd = gpio + 0;
 126 +
 127 +               omap_hsmmc_late_init(mmcbbt);
 128 +               break;
 129         case EXPANSION_MMC_ZIPPY:
 130                 mmc_zippy[0].gpio_wp = beagle_config.mmc1_gpio_wp;
 131                 /* gpio + 0 is "mmc0_cd" (input/IRQ) */
 132 @@ -839,6 +933,13 @@ static void __init omap3_beagle_init(void)
 133                 omap_mux_init_gpio(OMAP3BEAGLE_GPIO_ZIPPY_MMC_CD, OMAP_PIN_INPUT);
 134         }
 135
 136 +       if (!strcmp(expansionboard_name, "bbtoys-wifi"))
 137 +       {
 138 +       #if IS_ENABLED(CONFIG_WL12XX)
 139 +               expansion_config.mmc_settings = EXPANSION_MMC_WIFI;
 140 +       #endif
 141 +       }
 142 +
 143         if (!strcmp(expansionboard2_name, "bbtoys-ulcd"))
 144         {
 145                 int r;
 146 @@ -857,6 +958,10 @@ static void __init omap3_beagle_init(void)
 147                 omap_mux_init_gpio(beagle_config.mmc1_gpio_wp, OMAP_PIN_INPUT);
 148
 149         switch (expansion_config.mmc_settings) {
 150 +       case EXPANSION_MMC_WIFI:
 151 +               mmcbbt[0].caps = beagle_config.mmc_caps;
 152 +               omap_hsmmc_init(mmcbbt);
 153 +               break;
 154         case EXPANSION_MMC_ZIPPY:
 155                 mmc_zippy[0].caps = beagle_config.mmc_caps;
 156                 omap_hsmmc_init(mmc_zippy);
 157 @@ -922,6 +1027,20 @@ static void __init omap3_beagle_init(void)
 158                 gpio_export(162, 1);
 159         }
 160
 161 +       if (!strcmp(expansionboard_name, "bbtoys-wifi"))
 162 +       {
 163 +       #if IS_ENABLED(CONFIG_WL12XX)
 164 +               omap_beagle_wlan_data.irq = gpio_to_irq(OMAP_BEAGLE_WLAN_IRQ_GPIO);
 165 +               if (wl12xx_set_platform_data(&omap_beagle_wlan_data))
 166 +                       pr_err("error setting wl12xx data\n");
 167 +               pr_info("Beagle expansionboard: registering wl12xx bt platform device\n");
 168 +               platform_device_register(&wl12xx_device);
 169 +               platform_device_register(&btwilink_device);
 170 +               pr_info("Beagle expansionboard: registering wl12xx wifi platform device\n");
 171 +               platform_device_register(&omap_vwlan_device);
 172 +       #endif
 173 +       }
 174 +
 175         if (!strcmp(expansionboard2_name, "bbtoys-ulcd"))
 176         {
 177         #if IS_ENABLED(CONFIG_TOUCHSCREEN_TSC2007)
 178 --
 179 1.7.10.4
 180