From f7d71be36165002251727019b1a03a19938bfa64 Mon Sep 17 00:00:00 2001 From: Koen Kooi Date: Mon, 20 Dec 2010 11:57:56 +0100 Subject: [PATCH 13/28] omap3: beagleboard: add WIP support for beagleboardtoys WL12xx board Based on a patch by Luciano Coelho Signed-off-by: Koen Kooi --- arch/arm/mach-omap2/board-omap3beagle.c | 84 ++++++++++++++++++++++++++++++- 1 files changed, 83 insertions(+), 1 deletions(-) diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c index 64a181e..59b26da 100644 --- a/arch/arm/mach-omap2/board-omap3beagle.c +++ b/arch/arm/mach-omap2/board-omap3beagle.c @@ -146,6 +146,67 @@ fail0: char expansionboard_name[16]; +#if defined(CONFIG_WL1271) || defined(CONFIG_WL1271_MODULE) +#include +#include + +#define OMAP_BEAGLE_WLAN_EN_GPIO (139) +#define OMAP_BEAGLE_WLAN_IRQ_GPIO (137) + +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 omap2_hsmmc_info mmcbbt[] = { + { + .mmc = 1, + .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA, + .gpio_wp = 29, + }, + { + .name = "wl1271", + .mmc = 2, + .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD, + .gpio_wp = -EINVAL, + .gpio_cd = -EINVAL, + .nonremovable = true, + }, + {} /* Terminator */ + }; + +static struct regulator_consumer_supply beagle_vmmc2_supply = { + .supply = "vmmc", + .dev_name = "mmci-omap-hs.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 @@ -384,11 +445,24 @@ static int beagle_twl_gpio_setup(struct device *dev, } /* gpio + 0 is "mmc0_cd" (input/IRQ) */ mmc[0].gpio_cd = gpio + 0; +#if defined(CONFIG_WL1271) || defined(CONFIG_WL1271_MODULE) + if(!strcmp(expansionboard_name, "bbtoys-wifi")) { + omap2_hsmmc_init(mmcbbt); + /* link regulators to MMC adapters */ + beagle_vmmc1_supply.dev = mmcbbt[0].dev; + beagle_vsim_supply.dev = mmcbbt[0].dev; + } else { + omap2_hsmmc_init(mmc); + /* link regulators to MMC adapters */ + beagle_vmmc1_supply.dev = mmc[0].dev; + beagle_vsim_supply.dev = mmc[0].dev; + } +#else omap2_hsmmc_init(mmc); - /* link regulators to MMC adapters */ beagle_vmmc1_supply.dev = mmc[0].dev; beagle_vsim_supply.dev = mmc[0].dev; +#endif /* REVISIT: need ehci-omap hooks for external VBUS * power switch and overcurrent detect @@ -788,6 +862,14 @@ 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 platform device\n"); + platform_device_register(&omap_vwlan_device); + } + usb_musb_init(&musb_board_data); usb_ehci_init(&ehci_pdata); omap3beagle_flash_init(); -- 1.6.6.1