diff options
Diffstat (limited to 'arch/arm/mach-at91/board-sam9m10g45ek.c')
| -rw-r--r-- | arch/arm/mach-at91/board-sam9m10g45ek.c | 80 |
1 files changed, 78 insertions, 2 deletions
diff --git a/arch/arm/mach-at91/board-sam9m10g45ek.c b/arch/arm/mach-at91/board-sam9m10g45ek.c index ea0d1b9c2b7..57497e2b887 100644 --- a/arch/arm/mach-at91/board-sam9m10g45ek.c +++ b/arch/arm/mach-at91/board-sam9m10g45ek.c @@ -24,11 +24,13 @@ #include <linux/gpio_keys.h> #include <linux/input.h> #include <linux/leds.h> -#include <linux/clk.h> #include <linux/atmel-mci.h> +#include <linux/delay.h> #include <mach/hardware.h> #include <video/atmel_lcdc.h> +#include <media/soc_camera.h> +#include <media/atmel-isi.h> #include <asm/setup.h> #include <asm/mach-types.h> @@ -185,6 +187,71 @@ static void __init ek_add_device_nand(void) /* + * ISI + */ +static struct isi_platform_data __initdata isi_data = { + .frate = ISI_CFG1_FRATE_CAPTURE_ALL, + /* to use codec and preview path simultaneously */ + .full_mode = 1, + .data_width_flags = ISI_DATAWIDTH_8 | ISI_DATAWIDTH_10, + /* ISI_MCK is provided by programmable clock or external clock */ + .mck_hz = 25000000, +}; + + +/* + * soc-camera OV2640 + */ +#if defined(CONFIG_SOC_CAMERA_OV2640) || \ + defined(CONFIG_SOC_CAMERA_OV2640_MODULE) +static unsigned long isi_camera_query_bus_param(struct soc_camera_link *link) +{ + /* ISI board for ek using default 8-bits connection */ + return SOCAM_DATAWIDTH_8; +} + +static int i2c_camera_power(struct device *dev, int on) +{ + /* enable or disable the camera */ + pr_debug("%s: %s the camera\n", __func__, on ? "ENABLE" : "DISABLE"); + at91_set_gpio_output(AT91_PIN_PD13, !on); + + if (!on) + goto out; + + /* If enabled, give a reset impulse */ + at91_set_gpio_output(AT91_PIN_PD12, 0); + msleep(20); + at91_set_gpio_output(AT91_PIN_PD12, 1); + msleep(100); + +out: + return 0; +} + +static struct i2c_board_info i2c_camera = { + I2C_BOARD_INFO("ov2640", 0x30), +}; + +static struct soc_camera_link iclink_ov2640 = { + .bus_id = 0, + .board_info = &i2c_camera, + .i2c_adapter_id = 0, + .power = i2c_camera_power, + .query_bus_param = isi_camera_query_bus_param, +}; + +static struct platform_device isi_ov2640 = { + .name = "soc-camera-pdrv", + .id = 0, + .dev = { + .platform_data = &iclink_ov2640, + }, +}; +#endif + + +/* * LCD Controller */ #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE) @@ -377,7 +444,12 @@ static struct gpio_led ek_pwm_led[] = { #endif }; - +static struct platform_device *devices[] __initdata = { +#if defined(CONFIG_SOC_CAMERA_OV2640) || \ + defined(CONFIG_SOC_CAMERA_OV2640_MODULE) + &isi_ov2640, +#endif +}; static void __init ek_board_init(void) { @@ -399,6 +471,8 @@ static void __init ek_board_init(void) ek_add_device_nand(); /* I2C */ at91_add_device_i2c(0, NULL, 0); + /* ISI, using programmable clock as ISI_MCK */ + at91_add_device_isi(&isi_data, true); /* LCD Controller */ at91_add_device_lcdc(&ek_lcdc_data); /* Touch Screen */ @@ -410,6 +484,8 @@ static void __init ek_board_init(void) /* LEDs */ at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds)); at91_pwm_leds(ek_pwm_led, ARRAY_SIZE(ek_pwm_led)); + /* Other platform devices */ + platform_add_devices(devices, ARRAY_SIZE(devices)); } MACHINE_START(AT91SAM9M10G45EK, "Atmel AT91SAM9M10G45-EK") |