Add WLAN init code on Origen for both hw2.1.1 and hw2.0 in AR6003
Signed-off-by: Sangwook Lee <sangwook....@linaro.org>
---
arch/arm/mach-exynos/mach-origen.c | 18 ++++++++++++++++++
1 files changed, 18 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-exynos/mach-origen.c
b/arch/arm/mach-exynos/mach-origen.c
index 02c242e..821b57a 100644
--- a/arch/arm/mach-exynos/mach-origen.c
+++ b/arch/arm/mach-exynos/mach-origen.c
@@ -21,6 +21,7 @@
#include <linux/mfd/max8997.h>
#include <linux/lcd.h>
#include <linux/rfkill-gpio.h>
+#include <linux/delay.h>
#include <asm/mach/arch.h>
#include <asm/hardware/gic.h>
@@ -668,6 +669,22 @@ static void __init origen_bt_setup(void)
s3c_gpio_setpull(EXYNOS4_GPX2(2), S3C_GPIO_PULL_NONE);
}
+static void __init origen_wlan_setup(void)
+{
+ int err;
+
+ /* EXYNOS4_GPX2(4) is reset pin to the external chip */
+ err = gpio_request_one(EXYNOS4_GPX2(4), GPIOF_OUT_INIT_LOW, "GPX2_4");
+ if (err) {
+ pr_warning("ORIGEN: Failed to obtain WIFI GPIOs\n");
+ return;
+ }
+ s3c_gpio_setpull(EXYNOS4_GPX2(4), S3C_GPIO_PULL_NONE);
+ gpio_set_value(EXYNOS4_GPX2(4), 0);
+ udelay(30); /*AR6003 specific value Tb */
+ gpio_set_value(EXYNOS4_GPX2(4), 1);
+}
+
static void s5p_tv_setup(void)
{
/* Direct HPD to HDMI chip */
@@ -723,6 +740,7 @@ static void __init origen_machine_init(void)
samsung_bl_set(&origen_bl_gpio_info, &origen_bl_data);
origen_bt_setup();
+ origen_wlan_setup();
}
MACHINE_START(ORIGEN, "ORIGEN")
--
1.7.4.1
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