From c81d6835ff70b5f4132d1cef32329e4f0ecde220 Mon Sep 17 00:00:00 2001
From: Bartosz Markowski <bartosz.markowski@tieto.com>
Date: Wed, 7 Dec 2011 11:36:21 +0100
Subject: u5500: WLAN: Adds prcmu_ctrl callback

Adds prcmu_ctrl callback to u5500 WLAN
platform data file. In u5500 platform cw1200
reset pin is connected to PRCMU.

prcmu_resetout is used to set/unset RESOUT2_N_PIN by
writing to PRCMU register (platform callback)

ST-Ericsson Linux next: NA
ST-Ericsson ID: 375493
ST-Ericsson FOSS-OUT ID: Trivial

Change-Id: Iedfa62dcec0b0bb9bc67abb6ff8dc00b1b78f375
Signed-off-by: Bartosz Markowski <bartosz.markowski@tieto.com>
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/41359
Reviewed-by: QATOOLS
Reviewed-by: QABUILD
Reviewed-by: Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com>
---
 arch/arm/mach-ux500/board-u5500-wlan.c         | 21 ++++++++++++++++++++-
 arch/arm/mach-ux500/include/mach/cw1200_plat.h |  2 ++
 2 files changed, 22 insertions(+), 1 deletion(-)

(limited to 'arch')

diff --git a/arch/arm/mach-ux500/board-u5500-wlan.c b/arch/arm/mach-ux500/board-u5500-wlan.c
index 3683f3ad8bb..fd64089108a 100644
--- a/arch/arm/mach-ux500/board-u5500-wlan.c
+++ b/arch/arm/mach-ux500/board-u5500-wlan.c
@@ -10,12 +10,16 @@
 #include <linux/err.h>
 #include <linux/platform_device.h>
 #include <linux/regulator/consumer.h>
+#include <linux/mfd/dbx500-prcmu.h>
 #include <asm/mach-types.h>
 #include <mach/irqs.h>
 #include "pins.h"
 #include <mach/cw1200_plat.h>
 
+
 static void cw1200_release(struct device *dev);
+static int cw1200_prcmu_ctrl(const struct cw1200_platform_data *pdata,
+		bool enable);
 
 static struct resource cw1200_u5500_resources[] = {
 	{
@@ -26,7 +30,9 @@ static struct resource cw1200_u5500_resources[] = {
 	},
 };
 
-static struct cw1200_platform_data cw1200_u5500_platform_data = { 0 };
+static struct cw1200_platform_data cw1200_u5500_platform_data = {
+	.prcmu_ctrl = cw1200_prcmu_ctrl,
+};
 
 static struct platform_device cw1200_device = {
 	.name = "cw1200_wlan",
@@ -43,6 +49,19 @@ const struct cw1200_platform_data *cw1200_u5500_get_platform_data(void)
 }
 EXPORT_SYMBOL_GPL(cw1200_u5500_get_platform_data);
 
+static int cw1200_prcmu_ctrl(const struct cw1200_platform_data *pdata,
+		bool enable)
+{
+	int ret;
+
+	if (enable)
+		ret = prcmu_resetout(2, 1);
+	else
+		ret = prcmu_resetout(2, 0);
+
+	return ret;
+}
+
 int __init u5500_wlan_init(void)
 {
 	if (machine_is_u5500()) {
diff --git a/arch/arm/mach-ux500/include/mach/cw1200_plat.h b/arch/arm/mach-ux500/include/mach/cw1200_plat.h
index 4d30dbd3979..3a73183c9f8 100644
--- a/arch/arm/mach-ux500/include/mach/cw1200_plat.h
+++ b/arch/arm/mach-ux500/include/mach/cw1200_plat.h
@@ -18,6 +18,8 @@ struct cw1200_platform_data {
 			  bool enable);
 	int (*clk_ctrl)(const struct cw1200_platform_data *pdata,
 			  bool enable);
+	int (*prcmu_ctrl)(const struct cw1200_platform_data *pdata,
+			  bool enable);
 };
 
 /* Declaration only. Should be implemented in arch/xxx/mach-yyy */
-- 
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