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ARM: pxa: mioa701 add camera output enable gpio

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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>
This commit is contained in:
Robert Jarzmik 2012-04-22 23:24:00 +02:00 committed by Haojian Zhuang
parent b298322b75
commit c2219e4dac
2 changed files with 5 additions and 0 deletions
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3
arch/arm/mach-pxa/include/mach/mioa701.h
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@ -61,6 +61,9 @@
#define GPIO93_KEY_VOLUME_UP 93 #define GPIO93_KEY_VOLUME_UP 93
#define GPIO94_KEY_VOLUME_DOWN 94 #define GPIO94_KEY_VOLUME_DOWN 94
/* Camera */
#define GPIO56_MT9M111_nOE 56
extern struct input_dev *mioa701_evdev; extern struct input_dev *mioa701_evdev;
extern void mioa701_gpio_lpm_set(unsigned long mfp_pin); extern void mioa701_gpio_lpm_set(unsigned long mfp_pin);

2
arch/arm/mach-pxa/mioa701.c
View File

@ -103,6 +103,7 @@ static unsigned long mioa701_pin_config[] = {
GPIO82_CIF_DD_5, GPIO82_CIF_DD_5,
GPIO84_CIF_FV, GPIO84_CIF_FV,
GPIO85_CIF_LV, GPIO85_CIF_LV,
MIO_CFG_OUT(GPIO56_MT9M111_nOE, AF0, DRIVE_LOW),
/* Bluetooth */ /* Bluetooth */
MIO_CFG_IN(GPIO14_BT_nACTIVITY, AF0), 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" }, { GPIO9_CHARGE_EN, GPIOF_OUT_INIT_HIGH, "Charger enable" },
{ GPIO18_POWEROFF, GPIOF_OUT_INIT_LOW, "Power Off" }, { GPIO18_POWEROFF, GPIOF_OUT_INIT_LOW, "Power Off" },
{ GPIO87_LCD_POWER, GPIOF_OUT_INIT_LOW, "LCD Power" }, { 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) static void __init mioa701_machine_init(void)