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omap: zoom: add mmc3/wl1271 device support

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Add MMC3 support on ZOOM, which has the wl1271 device hardwired to.

The wl1271 is a 4-wire, 1.8V, embedded SDIO WLAN device with an
external IRQ line, and power-controlled by a GPIO-based fixed regulator.

Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Ohad Ben-Cohen 2010-09-16 01:32:30 +02:00 committed by John W. Linville
parent b642fde7f1
commit 80b517f362
1 changed files with 19 additions and 0 deletions
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19
arch/arm/mach-omap2/board-zoom-peripherals.c
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@ -17,6 +17,7 @@
#include <linux/i2c/twl.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/fixed.h>
#include <linux/wl12xx.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@ -29,6 +30,7 @@
#include "hsmmc.h"
#define OMAP_ZOOM_WLAN_PMENA_GPIO (101)
#define OMAP_ZOOM_WLAN_IRQ_GPIO (162)
/* Zoom2 has Qwerty keyboard*/
static int board_keymap[] = {
@ -185,6 +187,12 @@ static struct platform_device omap_vwlan_device = {
},
};
struct wl12xx_platform_data omap_zoom_wlan_data __initdata = {
.irq = OMAP_GPIO_IRQ(OMAP_ZOOM_WLAN_IRQ_GPIO),
/* ZOOM ref clock is 26 MHz */
.board_ref_clock = 1,
};
static struct omap2_hsmmc_info mmc[] __initdata = {
{
.name = "external",
@ -202,6 +210,14 @@ static struct omap2_hsmmc_info mmc[] __initdata = {
.nonremovable = true,
.power_saving = true,
},
{
.name = "wl1271",
.mmc = 3,
.wires = 4,
.gpio_wp = -EINVAL,
.gpio_cd = -EINVAL,
.nonremovable = true,
},
{} /* Terminator */
};
@ -313,6 +329,9 @@ static void enable_board_wakeup_source(void)
void __init zoom_peripherals_init(void)
{
if (wl12xx_set_platform_data(&omap_zoom_wlan_data))
pr_err("error setting wl12xx data\n");
omap_i2c_init();
platform_device_register(&omap_vwlan_device);
usb_musb_init(&musb_board_data);