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@xxxxxxxxxx>
---
arch/arm/mach-omap2/board-zoom-peripherals.c | 19 +++++++++++++++++++
1 files changed, 19 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-omap2/board-zoom-peripherals.c b/arch/arm/mach-omap2/board-zoom-peripherals.c
index 2fc0f4a..3230801 100644
--- a/arch/arm/mach-omap2/board-zoom-peripherals.c
+++ b/arch/arm/mach-omap2/board-zoom-peripherals.c
@@ -17,6 +17,8 @@
#include <linux/i2c/twl.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/fixed.h>
+#include <linux/mmc/host.h>
+#include <linux/wl12xx.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@@ -29,6 +31,7 @@
#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[] = {
@@ -184,6 +187,12 @@ static struct platform_device omap_vwlan_device = {
},
};
+struct wl12xx_platform_data omap_zoom_wlan_data = {
+ .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",
@@ -201,6 +210,15 @@ static struct omap2_hsmmc_info mmc[] __initdata = {
.nonremovable = true,
.power_saving = true,
},
+ {
+ .name = "wl1271",
+ .mmc = 3,
+ .wires = 4,
+ .gpio_wp = -EINVAL,
+ .gpio_cd = -EINVAL,
+ .ocr_mask = MMC_VDD_165_195,
+ .priv_data = &omap_zoom_wlan_data,
+ },
{} /* Terminator */
};
@@ -217,6 +235,7 @@ static int zoom_twl_gpio_setup(struct device *dev,
zoom_vmmc1_supply.dev = mmc[0].dev;
zoom_vsim_supply.dev = mmc[0].dev;
zoom_vmmc2_supply.dev = mmc[1].dev;
+ zoom_vmmc3_supply.dev = mmc[2].dev;
return 0;
}
--
1.7.0.4
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