ARM: pxa: mioa701 add camera output enable gpio

The Micron MT9M111 camera chip needs its output enable to be
activated in order to work. The bootloader is not required to
activate it, so do it in machine code.

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>

2 files changed, 5 insertions, 0 deletions

diff --git a/arch/arm/mach-pxa/include/mach/mioa701.h b/arch/arm/mach-pxa/include/mach/mioa701.h
index 02868447b0b1..e57f5c724e8a 100644
--- a/arch/arm/mach-pxa/include/mach/mioa701.h
+++ b/arch/arm/mach-pxa/include/mach/mioa701.h
@@ -61,6 +61,9 @@
 #define GPIO93_KEY_VOLUME_UP                    93
 #define GPIO94_KEY_VOLUME_DOWN                  94
 
+/* Camera */
+#define GPIO56_MT9M111_nOE                      56
+
 extern struct input_dev *mioa701_evdev;
 extern void mioa701_gpio_lpm_set(unsigned long mfp_pin);
 
diff --git a/arch/arm/mach-pxa/mioa701.c b/arch/arm/mach-pxa/mioa701.c
index 061d57009cee..929c62b47b76 100644
--- a/arch/arm/mach-pxa/mioa701.c
+++ b/arch/arm/mach-pxa/mioa701.c
@@ -103,6 +103,7 @@ static unsigned long mioa701_pin_config[] = {
         GPIO82_CIF_DD_5,
         GPIO84_CIF_FV,
         GPIO85_CIF_LV,
+        MIO_CFG_OUT(GPIO56_MT9M111_nOE, AF0, DRIVE_LOW),
 
         /* Bluetooth */
         MIO_CFG_IN(GPIO14_BT_nACTIVITY, AF0),
@@ -705,6 +706,7 @@ static struct gpio global_gpios[] = {
         { GPIO9_CHARGE_EN, GPIOF_OUT_INIT_HIGH, "Charger enable" },
         { GPIO18_POWEROFF, GPIOF_OUT_INIT_LOW, "Power Off" },
         { GPIO87_LCD_POWER, GPIOF_OUT_INIT_LOW, "LCD Power" },
+        { GPIO56_MT9M111_nOE, GPIOF_OUT_INIT_LOW, "Camera nOE" },
 };
 
 static void __init mioa701_machine_init(void)