src/patches/kernel/omap/beagle/expansion/0010-Beagle-expansion-add-LSR-COM6L-Adapter-Board.patch

   1 From f2e2294733d926e627dcda6425f58611b185c7fc Mon Sep 17 00:00:00 2001
   2 From: Robert Nelson <robertcnelson@gmail.com>
   3 Date: Tue, 11 Dec 2012 07:02:40 -0600
   4 Subject: [PATCH 10/10] Beagle: expansion: add LSR COM6L Adapter Board
   5
   6 Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
   7 ---
   8  arch/arm/mach-omap2/board-omap3beagle.c |   60 ++++++++++++++++++++++++++++---
   9  1 file changed, 55 insertions(+), 5 deletions(-)
  10
  11 diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
  12 index 0ac1b49..5a7e7b5 100644
  13 --- a/arch/arm/mach-omap2/board-omap3beagle.c
  14 +++ b/arch/arm/mach-omap2/board-omap3beagle.c
  15 @@ -202,6 +202,7 @@ static void __init omap3_beagle_init_rev(void)
  16  char expansionboard_name[16];
  17  char expansionboard2_name[16];
  18  char camera_name[16];
  19 +char wl12xx_name[16];
  20
  21  enum {
  22         EXPANSION_MMC_NONE = 0,
  23 @@ -237,6 +238,10 @@ struct wl12xx_platform_data omap_beagle_wlan_data __initdata = {
  24         .board_ref_clock = WL12XX_REFCLOCK_38, /* 38.4 MHz */
  25  };
  26
  27 +struct wl12xx_platform_data omap_beagle_wlan_data_26mhz __initdata = {
  28 +       .board_ref_clock = WL12XX_REFCLOCK_26, /* 26 MHz */
  29 +};
  30 +
  31  static struct ti_st_plat_data wilink_platform_data = {
  32         .nshutdown_gpio = OMAP_BEAGLE_BT_EN_GPIO,
  33         .dev_name               = "/dev/ttyO1",
  34 @@ -987,6 +992,18 @@ static int __init camera_setup(char *str)
  35         return 0;
  36  }
  37
  38 +static int __init wl12xx_setup(char *str)
  39 +{
  40 +       if (!machine_is_omap3_beagle())
  41 +               return 0;
  42 +
  43 +       if (!str)
  44 +               return -EINVAL;
  45 +       strncpy(wl12xx_name, str, 16);
  46 +       pr_info("Beagle wl12xx clk: %s\n", wl12xx_name);
  47 +       return 0;
  48 +}
  49 +
  50  static int __init beagle_opp_init(void)
  51  {
  52         int r = 0;
  53 @@ -1114,9 +1131,29 @@ static void __init omap3_beagle_init(void)
  54                 omap_mux_init_gpio(OMAP3BEAGLE_GPIO_ZIPPY_MMC_CD, OMAP_PIN_INPUT);
  55         }
  56
  57 -       if (!strcmp(expansionboard_name, "bbtoys-wifi"))
  58 +       if ((!strcmp(expansionboard_name, "bbtoys-wifi")) || (!strcmp(expansionboard_name, "lsr-com6l-adpt")))
  59         {
  60         #if IS_ENABLED(CONFIG_WL12XX)
  61 +               pr_info("Beagle expansion: wl12xx: setting up gpio pinmux\n");
  62 +
  63 +               omap_mux_init_gpio(OMAP_BEAGLE_FM_EN_BT_WU, OMAP_PIN_OUTPUT);
  64 +               omap_mux_init_gpio(OMAP_BEAGLE_BT_EN_GPIO, OMAP_PIN_OUTPUT);
  65 +               omap_mux_init_gpio(OMAP_BEAGLE_WLAN_EN_GPIO, OMAP_PIN_OUTPUT);
  66 +
  67 +               omap_mux_init_gpio(OMAP_BEAGLE_WLAN_IRQ_GPIO, OMAP_PIN_INPUT_PULLUP);
  68 +
  69 +               /* WLAN SDIO: MMC2 CLK */
  70 +               omap_mux_init_signal("sdmmc2_clk.sdmmc2_clk", OMAP_PIN_INPUT_PULLUP);
  71 +
  72 +               /* WLAN SDIO: MMC2 CMD */
  73 +               omap_mux_init_signal("sdmmc2_cmd.sdmmc2_cmd", OMAP_PIN_INPUT_PULLUP);
  74 +
  75 +               /* WLAN SDIO: MMC2 DAT[0-3] */
  76 +               omap_mux_init_signal("sdmmc2_dat0.sdmmc2_dat0", OMAP_PIN_INPUT_PULLUP);
  77 +               omap_mux_init_signal("sdmmc2_dat1.sdmmc2_dat1", OMAP_PIN_INPUT_PULLUP);
  78 +               omap_mux_init_signal("sdmmc2_dat2.sdmmc2_dat2", OMAP_PIN_INPUT_PULLUP);
  79 +               omap_mux_init_signal("sdmmc2_dat3.sdmmc2_dat3", OMAP_PIN_INPUT_PULLUP);
  80 +
  81                 expansion_config.mmc_settings = EXPANSION_MMC_WIFI;
  82         #endif
  83         }
  84 @@ -1208,12 +1245,24 @@ static void __init omap3_beagle_init(void)
  85                 gpio_export(162, 1);
  86         }
  87
  88 -       if (!strcmp(expansionboard_name, "bbtoys-wifi"))
  89 +       if ((!strcmp(expansionboard_name, "bbtoys-wifi")) || (!strcmp(expansionboard_name, "lsr-com6l-adpt")))
  90         {
  91         #if IS_ENABLED(CONFIG_WL12XX)
  92 -               omap_beagle_wlan_data.irq = gpio_to_irq(OMAP_BEAGLE_WLAN_IRQ_GPIO);
  93 -               if (wl12xx_set_platform_data(&omap_beagle_wlan_data))
  94 -                       pr_err("error setting wl12xx data\n");
  95 +               pr_info("Beagle expansionboard: initializing wl12xx platform\n");
  96 +
  97 +               if (!strcmp(wl12xx_name, "wl12xx_26mhz")) {
  98 +                       pr_info("wl12xx: 26Mhz reference clock (TiWi5)\n");
  99 +                       omap_beagle_wlan_data_26mhz.irq = gpio_to_irq(OMAP_BEAGLE_WLAN_IRQ_GPIO);
 100 +                       if (wl12xx_set_platform_data(&omap_beagle_wlan_data_26mhz))
 101 +                               pr_err("error setting wl12xx data\n");
 102 +               } else {
 103 +                       pr_info("wl12xx: 38.4Mhz reference clock (TiWi2/TiWi-BLE)\n");
 104 +                       pr_info("wl12xx: for (TiWi5) support pass kernel [wl12xx_clk=wl12xx_26mhz]\n");
 105 +                       omap_beagle_wlan_data.irq = gpio_to_irq(OMAP_BEAGLE_WLAN_IRQ_GPIO);
 106 +                       if (wl12xx_set_platform_data(&omap_beagle_wlan_data))
 107 +                               pr_err("error setting wl12xx data\n");
 108 +               }
 109 +
 110                 pr_info("Beagle expansionboard: registering wl12xx bt platform device\n");
 111                 platform_device_register(&wl12xx_device);
 112                 platform_device_register(&btwilink_device);
 113 @@ -1307,6 +1356,7 @@ static int __init omap3_beagle_late_initcall(void)
 114  early_param("buddy", expansionboard_setup);
 115  early_param("buddy2", expansionboard2_setup);
 116  early_param("camera", camera_setup);
 117 +early_param("wl12xx_clk", wl12xx_setup);
 118
 119  late_initcall(omap3_beagle_late_initcall);
 120
 121 --
 122 1.7.10.4
 123