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Commit 80b517f3 authored by Ohad Ben-Cohen's avatar Ohad Ben-Cohen Committed by John W. Linville
Browse files

omap: zoom: add mmc3/wl1271 device support 



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: default avatarOhad Ben-Cohen <ohad@wizery.com>
Acked-by: default avatarTony Lindgren <tony@atomide.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent b642fde7

arch/arm/mach-omap2/board-zoom-peripherals.c

+19 −0
Original line number Diff line number Diff line
@@ -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);