netdev - [PATCH v2 4/5] omap: panda: add mmc5/wl1271 device support

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Message-Id: <1297759236-25323-5-git-send-email-panduranga_mallireddy@ti.com>
Date:	Tue, 15 Feb 2011 03:40:35 -0500
From:	Panduranga Mallireddy <panduranga_mallireddy@...com>
To:	coelho@...com, netdev@...r.kernel.org, linux-omap@...r.kernel.org,
	linux-mmc@...r.kernel.org
Cc:	ohad@...ery.com, benzyg@...com, pradeepgurumath@...com,
	vishalm@...com, x-boudet@...com, naveen_jain@...com,
	pavan_savoy@...com, manjunatha_halli@...com, tony@...mide.com,
	cjb@...top.org,
	Panduranga Mallireddy <panduranga_mallireddy@...com>
Subject: [PATCH v2 4/5] omap: panda: add mmc5/wl1271 device support

Add MMC5 support on PANDA, 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.

Based on the patch for mmc3/wl1271 device support for zoom by Ohad
Ben-Cohen <ohad@...ery.com>
Signed-off-by: Panduranga Mallireddy <panduranga_mallireddy@...com>
---
 arch/arm/mach-omap2/board-omap4panda.c |   20 ++++++++++++++++++++
 1 files changed, 20 insertions(+), 0 deletions(-)

diff --git a/arch/arm/mach-omap2/board-omap4panda.c b/arch/arm/mach-omap2/board-omap4panda.c
index cd25255..ef43010 100644
--- a/arch/arm/mach-omap2/board-omap4panda.c
+++ b/arch/arm/mach-omap2/board-omap4panda.c
@@ -27,6 +27,7 @@
 #include <linux/i2c/twl.h>
 #include <linux/regulator/machine.h>
 #include <linux/regulator/fixed.h>
+#include <linux/wl12xx.h>
 
 #include <mach/hardware.h>
 #include <mach/omap4-common.h>
@@ -47,6 +48,7 @@
 #define GPIO_HUB_POWER		1
 #define GPIO_HUB_NRESET		62
 #define GPIO_WIFI_PMENA		43
+#define GPIO_WIFI_IRQ		53
 
 static struct gpio_led gpio_leds[] = {
 	{
@@ -164,6 +166,15 @@ static struct omap2_hsmmc_info mmc[] = {
 		.gpio_wp	= -EINVAL,
 		.gpio_cd	= -EINVAL,
 	},
+	{
+		.name		= "wl1271",
+		.mmc		= 5,
+		.caps		= MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
+		.gpio_wp	= -EINVAL,
+		.gpio_cd	= -EINVAL,
+		.ocr_mask	= MMC_VDD_165_195,
+		.nonremovable	= true,
+	},
 	{}	/* Terminator */
 };
 
@@ -205,6 +216,12 @@ static struct platform_device omap_vwlan_device = {
 	},
 };
 
+struct wl12xx_platform_data omap_panda_wlan_data  __initdata = {
+	.irq = OMAP_GPIO_IRQ(GPIO_WIFI_IRQ),
+	/* PANDA ref clock is 38.4 MHz */
+	.board_ref_clock = 2,
+};
+
 static int omap4_twl6030_hsmmc_late_init(struct device *dev)
 {
 	int ret = 0;
@@ -461,6 +478,9 @@ static void __init omap4_panda_init(void)
 		package = OMAP_PACKAGE_CBL;
 	omap4_mux_init(board_mux, package);
 
+	if (wl12xx_set_platform_data(&omap_panda_wlan_data))
+		pr_err("error setting wl12xx data\n");
+
 	omap4_panda_i2c_init();
 	platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices));
 	platform_device_register(&omap_vwlan_device);
-- 
1.5.6.3

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