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@@ -31,6 +31,8 @@
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#include <linux/regulator/machine.h>
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#include <linux/spi/l4f00242t03.h>
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+#include <media/soc_camera.h>
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+
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/time.h>
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@@ -52,6 +54,8 @@
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#define SD1_CD IMX_GPIO_NR(2, 26)
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#define LCD_RESET IMX_GPIO_NR(1, 3)
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#define LCD_ENABLE IMX_GPIO_NR(1, 31)
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+#define CSI_PWRDWN IMX_GPIO_NR(4, 19)
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+#define CSI_RESET IMX_GPIO_NR(3, 6)
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static const int mx27pdk_pins[] __initconst = {
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/* UART1 */
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@@ -141,6 +145,26 @@ static const int mx27pdk_pins[] __initconst = {
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PA30_PF_CONTRAST,
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LCD_ENABLE | GPIO_GPIO | GPIO_OUT,
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LCD_RESET | GPIO_GPIO | GPIO_OUT,
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+ /* CSI */
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+ PB10_PF_CSI_D0,
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+ PB11_PF_CSI_D1,
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+ PB12_PF_CSI_D2,
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+ PB13_PF_CSI_D3,
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+ PB14_PF_CSI_D4,
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+ PB15_PF_CSI_MCLK,
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+ PB16_PF_CSI_PIXCLK,
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+ PB17_PF_CSI_D5,
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+ PB18_PF_CSI_D6,
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+ PB19_PF_CSI_D7,
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+ PB20_PF_CSI_VSYNC,
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+ PB21_PF_CSI_HSYNC,
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+ CSI_PWRDWN | GPIO_GPIO | GPIO_OUT,
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+ CSI_RESET | GPIO_GPIO | GPIO_OUT,
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+};
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+
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+static struct gpio mx27_3ds_camera_gpios[] = {
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+ { CSI_PWRDWN, GPIOF_OUT_INIT_HIGH, "camera-power" },
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+ { CSI_RESET, GPIOF_OUT_INIT_HIGH, "camera-reset" },
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};
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static const struct imxuart_platform_data uart_pdata __initconst = {
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@@ -242,6 +266,7 @@ static struct regulator_init_data gpo_init = {
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static struct regulator_consumer_supply vmmc1_consumers[] = {
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REGULATOR_SUPPLY("vcore", "spi0.0"),
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+ REGULATOR_SUPPLY("cmos_2v8", "soc-camera-pdrv.0"),
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};
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static struct regulator_init_data vmmc1_init = {
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@@ -270,6 +295,22 @@ static struct regulator_init_data vgen_init = {
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.consumer_supplies = vgen_consumers,
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};
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+static struct regulator_consumer_supply vvib_consumers[] = {
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+ REGULATOR_SUPPLY("cmos_vcore", "soc-camera-pdrv.0"),
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+};
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+
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+static struct regulator_init_data vvib_init = {
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+ .constraints = {
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+ .min_uV = 1300000,
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+ .max_uV = 1300000,
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+ .apply_uV = 1,
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+ .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
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+ REGULATOR_CHANGE_STATUS,
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+ },
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+ .num_consumer_supplies = ARRAY_SIZE(vvib_consumers),
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+ .consumer_supplies = vvib_consumers,
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+};
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+
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static struct mc13xxx_regulator_init_data mx27_3ds_regulators[] = {
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{
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.id = MC13783_REG_VMMC1,
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@@ -283,6 +324,9 @@ static struct mc13xxx_regulator_init_data mx27_3ds_regulators[] = {
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}, {
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.id = MC13783_REG_GPO3, /* Turn on 3.3V */
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.init_data = &gpo_init,
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+ }, {
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+ .id = MC13783_REG_VVIB, /* Power OV2640 */
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+ .init_data = &vvib_init,
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},
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};
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@@ -311,6 +355,51 @@ static const struct spi_imx_master spi2_pdata __initconst = {
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.num_chipselect = ARRAY_SIZE(spi2_chipselect),
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};
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+static int mx27_3ds_camera_power(struct device *dev, int on)
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+{
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+ /* enable or disable the camera */
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+ pr_debug("%s: %s the camera\n", __func__, on ? "ENABLE" : "DISABLE");
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+ gpio_set_value(CSI_PWRDWN, on ? 0 : 1);
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+
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+ if (!on)
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+ goto out;
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+
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+ /* If enabled, give a reset impulse */
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+ gpio_set_value(CSI_RESET, 0);
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+ msleep(20);
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+ gpio_set_value(CSI_RESET, 1);
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+ msleep(100);
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+
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+out:
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+ return 0;
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+}
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+
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+static struct i2c_board_info mx27_3ds_i2c_camera = {
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+ I2C_BOARD_INFO("ov2640", 0x30),
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+};
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+
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+static struct regulator_bulk_data mx27_3ds_camera_regs[] = {
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+ { .supply = "cmos_vcore" },
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+ { .supply = "cmos_2v8" },
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+};
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+
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+static struct soc_camera_link iclink_ov2640 = {
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+ .bus_id = 0,
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+ .board_info = &mx27_3ds_i2c_camera,
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+ .i2c_adapter_id = 0,
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+ .power = mx27_3ds_camera_power,
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+ .regulators = mx27_3ds_camera_regs,
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+ .num_regulators = ARRAY_SIZE(mx27_3ds_camera_regs),
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+};
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+
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+static struct platform_device mx27_3ds_ov2640 = {
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+ .name = "soc-camera-pdrv",
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+ .id = 0,
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+ .dev = {
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+ .platform_data = &iclink_ov2640,
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+ },
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+};
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+
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static struct imx_fb_videomode mx27_3ds_modes[] = {
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{ /* 480x640 @ 60 Hz */
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.mode = {
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@@ -367,12 +456,21 @@ static struct spi_board_info mx27_3ds_spi_devs[] __initdata = {
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},
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};
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+static struct platform_device *devices[] __initdata = {
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+ &mx27_3ds_ov2640,
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+};
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+
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+static const struct mx2_camera_platform_data mx27_3ds_cam_pdata __initconst = {
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+ .clk = 26000000,
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+};
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+
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static const struct imxi2c_platform_data mx27_3ds_i2c0_data __initconst = {
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.bitrate = 100000,
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};
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static void __init mx27pdk_init(void)
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{
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+ int ret;
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imx27_soc_init();
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mxc_gpio_setup_multiple_pins(mx27pdk_pins, ARRAY_SIZE(mx27pdk_pins),
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@@ -404,7 +502,17 @@ static void __init mx27pdk_init(void)
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if (mxc_expio_init(MX27_CS5_BASE_ADDR, EXPIO_PARENT_INT))
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pr_warn("Init of the debugboard failed, all devices on the debugboard are unusable.\n");
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imx27_add_imx_i2c(0, &mx27_3ds_i2c0_data);
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+ platform_add_devices(devices, ARRAY_SIZE(devices));
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imx27_add_imx_fb(&mx27_3ds_fb_data);
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+
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+ ret = gpio_request_array(mx27_3ds_camera_gpios,
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+ ARRAY_SIZE(mx27_3ds_camera_gpios));
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+ if (ret) {
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+ pr_err("Failed to request camera gpios");
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+ iclink_ov2640.power = NULL;
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+ }
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+
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+ imx27_add_mx2_camera(&mx27_3ds_cam_pdata);
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}
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static void __init mx27pdk_timer_init(void)
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Arnd Bergmann