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: Ohad Ben-Cohen <ohad@wizery.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/arch/arm/mach-omap2/board-zoom-peripherals.c b/arch/arm/mach-omap2/board-zoom-peripherals.c
index f5df9a2..6aa0728 100644
--- a/arch/arm/mach-omap2/board-zoom-peripherals.c
+++ b/arch/arm/mach-omap2/board-zoom-peripherals.c
@@ -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 @@
},
};
+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 @@
.nonremovable = true,
.power_saving = true,
},
+ {
+ .name = "wl1271",
+ .mmc = 3,
+ .wires = 4,
+ .gpio_wp = -EINVAL,
+ .gpio_cd = -EINVAL,
+ .nonremovable = true,
+ },
{} /* Terminator */
};
@@ -313,6 +329,9 @@
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);
