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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
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