@@ -320,6 +320,7 @@ config MACH_IMX27_VISSTRIM_M10
select IMX_HAVE_PLATFORM_IMX_I2C
select IMX_HAVE_PLATFORM_IMX_SSI
select IMX_HAVE_PLATFORM_IMX_UART
+ select IMX_HAVE_PLATFORM_MX2_CAMERA
select IMX_HAVE_PLATFORM_MXC_EHCI
select IMX_HAVE_PLATFORM_MXC_MMC
help
@@ -30,6 +30,9 @@
#include <linux/input.h>
#include <linux/gpio.h>
#include <linux/delay.h>
+#include <linux/dma-mapping.h>
+#include <linux/memblock.h>
+#include <media/soc_camera.h>
#include <sound/tlv320aic32x4.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@@ -39,6 +42,8 @@
#include "devices-imx27.h"
+#define TVP5150_RSTN (GPIO_PORTC + 18)
+#define TVP5150_PWDN (GPIO_PORTC + 19)
#define OTG_PHY_CS_GPIO (GPIO_PORTF + 17)
#define SDHC1_IRQ IRQ_GPIOB(25)
@@ -100,8 +105,99 @@ static const int visstrim_m10_pins[] __initconst = {
PE1_PF_USBOTG_STP,
PB23_PF_USB_PWR,
PB24_PF_USB_OC,
+ /* CSI */
+ PB10_PF_CSI_D0,
+ PB11_PF_CSI_D1,
+ PB12_PF_CSI_D2,
+ PB13_PF_CSI_D3,
+ PB14_PF_CSI_D4,
+ PB15_PF_CSI_MCLK,
+ PB16_PF_CSI_PIXCLK,
+ PB17_PF_CSI_D5,
+ PB18_PF_CSI_D6,
+ PB19_PF_CSI_D7,
+ PB20_PF_CSI_VSYNC,
+ PB21_PF_CSI_HSYNC,
};
+/* Camera */
+static int visstrim_camera_power(struct device *dev, int on)
+{
+ gpio_set_value(TVP5150_PWDN, on);
+
+ return 0;
+};
+
+static int visstrim_camera_reset(struct device *dev)
+{
+ gpio_set_value(TVP5150_RSTN, 0);
+ ndelay(500);
+ gpio_set_value(TVP5150_RSTN, 1);
+
+ return 0;
+};
+
+static struct i2c_board_info visstrim_i2c_camera = {
+ I2C_BOARD_INFO("tvp5150", 0x5d),
+};
+
+static struct soc_camera_link iclink_tvp5150 = {
+ .bus_id = 0,
+ .board_info = &visstrim_i2c_camera,
+ .i2c_adapter_id = 0,
+ .power = visstrim_camera_power,
+ .reset = visstrim_camera_reset,
+};
+
+static struct mx2_camera_platform_data visstrim_camera = {
+ .flags = MX2_CAMERA_CCIR | MX2_CAMERA_CCIR_INTERLACE |
+ MX2_CAMERA_SWAP16 | MX2_CAMERA_PCLK_SAMPLE_RISING,
+ .clk = 100000,
+};
+
+static phys_addr_t mx2_camera_base __initdata;
+#define MX2_CAMERA_BUF_SIZE SZ_8M
+
+static void __init visstrim_camera_init(void)
+{
+ struct platform_device *pdev;
+ int dma;
+
+ /* Initialize tvp5150 gpios */
+ mxc_gpio_mode(TVP5150_RSTN | GPIO_GPIO | GPIO_OUT);
+ mxc_gpio_mode(TVP5150_PWDN | GPIO_GPIO | GPIO_OUT);
+ gpio_set_value(TVP5150_RSTN, 1);
+ gpio_set_value(TVP5150_PWDN, 0);
+ ndelay(1);
+
+ gpio_set_value(TVP5150_PWDN, 1);
+ ndelay(1);
+ gpio_set_value(TVP5150_RSTN, 0);
+ ndelay(500);
+ gpio_set_value(TVP5150_RSTN, 1);
+ ndelay(200000);
+
+ pdev = imx27_add_mx2_camera(&visstrim_camera);
+ if (IS_ERR(pdev))
+ return;
+
+ dma = dma_declare_coherent_memory(&pdev->dev,
+ mx2_camera_base, mx2_camera_base,
+ MX2_CAMERA_BUF_SIZE,
+ DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
+ if (!(dma & DMA_MEMORY_MAP))
+ return;
+}
+
+static void __init visstrim_reserve(void)
+{
+ /* reserve 4 MiB for mx2-camera */
+ mx2_camera_base = memblock_alloc(MX2_CAMERA_BUF_SIZE,
+ MX2_CAMERA_BUF_SIZE);
+ memblock_free(mx2_camera_base, MX2_CAMERA_BUF_SIZE);
+ memblock_remove(mx2_camera_base, MX2_CAMERA_BUF_SIZE);
+}
+
/* GPIOs used as events for applications */
static struct gpio_keys_button visstrim_gpio_keys[] = {
{
@@ -267,6 +363,9 @@ static void __init visstrim_m10_board_init(void)
imx27_add_fec(NULL);
imx_add_gpio_keys(&visstrim_gpio_keys_platform_data);
platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
+ platform_device_register_resndata(NULL, "soc-camera-pdrv", 0, NULL, 0,
+ &iclink_tvp5150, sizeof(iclink_tvp5150));
+ visstrim_camera_init();
}
static void __init visstrim_m10_timer_init(void)
@@ -280,6 +379,7 @@ static struct sys_timer visstrim_m10_timer = {
MACHINE_START(IMX27_VISSTRIM_M10, "Vista Silicon Visstrim_M10")
.atag_offset = 0x100,
+ .reserve = visstrim_reserve,
.map_io = mx27_map_io,
.init_early = imx27_init_early,
.init_irq = mx27_init_irq,
Vista Silicon Visstrim_m10 board has a tvp5150 video decoder attached to the CSI interface Signed-off-by: Javier Martin <javier.martin@vista-silicon.com> --- arch/arm/mach-imx/Kconfig | 1 + arch/arm/mach-imx/mach-imx27_visstrim_m10.c | 100 +++++++++++++++++++++++++++ 2 files changed, 101 insertions(+), 0 deletions(-)