linux-mainline 3.2: add support for beagleboard wifi expansion board

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
Signed-off-by: Denys Dmytriyenko <denys@ti.com>

1 files changed, 142 insertions, 0 deletions

diff --git a/recipes-kernel/linux/linux-mainline-3.2/beagle/0014-expansion-add-wifi.patch b/recipes-kernel/linux/linux-mainline-3.2/beagle/0014-expansion-add-wifi.patch
new file mode 100644
index 00000000..fe175c08
--- /dev/null
+++ b/recipes-kernel/linux/linux-mainline-3.2/beagle/0014-expansion-add-wifi.patch
@@ -0,0 +1,142 @@
+From cd3ddffcde4c2b2c8c66389abed3b890b12f31c2 Mon Sep 17 00:00:00 2001
+From: Robert Nelson <robertcnelson@gmail.com>
+Date: Mon, 16 Apr 2012 10:56:17 -0500
+Subject: [PATCH 14/14] expansion: add wifi
+
+Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
+---
+ arch/arm/mach-omap2/board-omap3beagle.c |  103 +++++++++++++++++++++++++++++++
+ 1 files changed, 103 insertions(+), 0 deletions(-)
+
+diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
+index 0299d47..a7d81fc 100644
+--- a/arch/arm/mach-omap2/board-omap3beagle.c
++++ b/arch/arm/mach-omap2/board-omap3beagle.c
+@@ -166,6 +166,90 @@ static void __init omap3_beagle_init_rev(void)
+ char expansionboard_name[16];
+ char expansionboard2_name[16];
+ 
++#if defined(CONFIG_WL12XX) || defined(CONFIG_WL12XX_MODULE)
++#include <linux/regulator/fixed.h>
++#include <linux/ti_wilink_st.h>
++#include <linux/wl12xx.h>
++
++#define OMAP_BEAGLE_WLAN_EN_GPIO    (139)
++#define OMAP_BEAGLE_BT_EN_GPIO      (138)
++#define OMAP_BEAGLE_WLAN_IRQ_GPIO   (137)
++#define OMAP_BEAGLE_FM_EN_BT_WU     (136)
++
++struct wl12xx_platform_data omap_beagle_wlan_data __initdata = {
++       .irq = OMAP_GPIO_IRQ(OMAP_BEAGLE_WLAN_IRQ_GPIO),
++       .board_ref_clock = 2, /* 38.4 MHz */
++};
++
++static struct ti_st_plat_data wilink_platform_data = {
++       .nshutdown_gpio = OMAP_BEAGLE_BT_EN_GPIO,
++       .dev_name               = "/dev/ttyO1",
++       .flow_cntrl             = 1,
++       .baud_rate              = 3000000,
++       .chip_enable            = NULL,
++       .suspend                = NULL,
++       .resume         = NULL,
++};
++
++static struct platform_device wl12xx_device = {
++               .name           = "kim",
++               .id                     = -1,
++               .dev.platform_data = &wilink_platform_data,
++};
++
++static struct platform_device btwilink_device = {
++       .name   = "btwilink",
++       .id     = -1,
++};
++
++static struct omap2_hsmmc_info mmcbbt[] = {
++       {
++               .mmc            = 1,
++               .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
++               .gpio_wp        = -EINVAL,
++       },
++       {
++               .name           = "wl1271",
++               .mmc            = 2,
++               .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
++               .gpio_wp        = -EINVAL,
++               .gpio_cd        = -EINVAL,
++               .ocr_mask       = MMC_VDD_165_195,
++               .nonremovable   = true,
++       },
++       {}      /* Terminator */
++};
++
++static struct regulator_consumer_supply beagle_vmmc2_supply =
++       REGULATOR_SUPPLY("vmmc", "omap_hsmmc.1");
++
++static struct regulator_init_data beagle_vmmc2 = {
++       .constraints = {
++               .valid_ops_mask = REGULATOR_CHANGE_STATUS,
++       },
++       .num_consumer_supplies = 1,
++       .consumer_supplies = &beagle_vmmc2_supply,
++};
++
++static struct fixed_voltage_config beagle_vwlan = {
++       .supply_name = "vwl1271",
++       .microvolts = 1800000,  /* 1.8V */
++       .gpio = OMAP_BEAGLE_WLAN_EN_GPIO,
++       .startup_delay = 70000, /* 70ms */
++       .enable_high = 1,
++       .enabled_at_boot = 0,
++       .init_data = &beagle_vmmc2,
++};
++
++static struct platform_device omap_vwlan_device = {
++       .name           = "reg-fixed-voltage",
++       .id             = 1,
++       .dev = {
++               .platform_data = &beagle_vwlan,
++       },
++};
++#endif
++
+ #if defined(CONFIG_ENC28J60) || defined(CONFIG_ENC28J60_MODULE)
+ 
+ #include <plat/mcspi.h>
+@@ -449,7 +533,15 @@ static int beagle_twl_gpio_setup(struct device *dev,
+        mmc[0].gpio_wp = beagle_config.mmc1_gpio_wp;
+        /* gpio + 0 is "mmc0_cd" (input/IRQ) */
+        mmc[0].gpio_cd = gpio + 0;
++#if defined(CONFIG_WL12XX) || defined(CONFIG_WL12XX_MODULE)
++       if(!strcmp(expansionboard_name, "bbtoys-wifi")) {
++               omap2_hsmmc_init(mmcbbt);
++       } else {
++               omap2_hsmmc_init(mmc);
++       }
++#else
+        omap2_hsmmc_init(mmc);
++#endif
+ 
+        /*
+         * TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, XM active
+@@ -849,6 +941,17 @@ static void __init omap3_beagle_init(void)
+                gpio_export(162, 1);
+        }
+ 
++       if(!strcmp(expansionboard_name, "bbtoys-wifi"))
++       {
++               if (wl12xx_set_platform_data(&omap_beagle_wlan_data))
++                       pr_err("error setting wl12xx data\n");
++               printk(KERN_INFO "Beagle expansionboard: registering wl12xx bt platform device\n");
++               platform_device_register(&wl12xx_device);
++               platform_device_register(&btwilink_device);
++               printk(KERN_INFO "Beagle expansionboard: registering wl12xx wifi platform device\n");
++               platform_device_register(&omap_vwlan_device);
++       }
++
+        if(!strcmp(expansionboard2_name, "bbtoys-ulcd"))
+        {
+                printk(KERN_INFO "Beagle second expansionboard: initializing touchscreen: tsc2007\n");
+-- 
+1.7.7.4
+