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-rw-r--r--arch/arm/mach-mx3/pcm037.c118
-rw-r--r--arch/arm/plat-mxc/include/mach/iomux-mx3.h2
2 files changed, 108 insertions, 12 deletions
diff --git a/arch/arm/mach-mx3/pcm037.c b/arch/arm/mach-mx3/pcm037.c
index c6f61a1f06c8..d7b29b724a61 100644
--- a/arch/arm/mach-mx3/pcm037.c
+++ b/arch/arm/mach-mx3/pcm037.c
@@ -18,7 +18,7 @@
#include <linux/types.h>
#include <linux/init.h>
-
+#include <linux/dma-mapping.h>
#include <linux/platform_device.h>
#include <linux/mtd/physmap.h>
#include <linux/mtd/plat-ram.h>
@@ -33,22 +33,23 @@
#include <linux/irq.h>
#include <linux/fsl_devices.h>
-#include <mach/hardware.h>
+#include <media/soc_camera.h>
+
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <asm/mach/map.h>
+#include <mach/board-pcm037.h>
#include <mach/common.h>
+#include <mach/hardware.h>
+#include <mach/i2c.h>
#include <mach/imx-uart.h>
#include <mach/iomux-mx3.h>
#include <mach/ipu.h>
-#include <mach/board-pcm037.h>
+#include <mach/mmc.h>
+#include <mach/mx3_camera.h>
#include <mach/mx3fb.h>
#include <mach/mxc_nand.h>
-#include <mach/mmc.h>
-#ifdef CONFIG_I2C_IMX
-#include <mach/i2c.h>
-#endif
#include "devices.h"
@@ -56,6 +57,8 @@ static unsigned int pcm037_pins[] = {
/* I2C */
MX31_PIN_CSPI2_MOSI__SCL,
MX31_PIN_CSPI2_MISO__SDA,
+ MX31_PIN_CSPI2_SS2__I2C3_SDA,
+ MX31_PIN_CSPI2_SCLK__I2C3_SCL,
/* SDHC1 */
MX31_PIN_SD1_DATA3__SD1_DATA3,
MX31_PIN_SD1_DATA2__SD1_DATA2,
@@ -120,6 +123,22 @@ static unsigned int pcm037_pins[] = {
MX31_PIN_D3_SPL__D3_SPL,
MX31_PIN_D3_CLS__D3_CLS,
MX31_PIN_LCS0__GPI03_23,
+ /* CSI */
+ IOMUX_MODE(MX31_PIN_CSI_D5, IOMUX_CONFIG_GPIO),
+ MX31_PIN_CSI_D6__CSI_D6,
+ MX31_PIN_CSI_D7__CSI_D7,
+ MX31_PIN_CSI_D8__CSI_D8,
+ MX31_PIN_CSI_D9__CSI_D9,
+ MX31_PIN_CSI_D10__CSI_D10,
+ MX31_PIN_CSI_D11__CSI_D11,
+ MX31_PIN_CSI_D12__CSI_D12,
+ MX31_PIN_CSI_D13__CSI_D13,
+ MX31_PIN_CSI_D14__CSI_D14,
+ MX31_PIN_CSI_D15__CSI_D15,
+ MX31_PIN_CSI_HSYNC__CSI_HSYNC,
+ MX31_PIN_CSI_MCLK__CSI_MCLK,
+ MX31_PIN_CSI_PIXCLK__CSI_PIXCLK,
+ MX31_PIN_CSI_VSYNC__CSI_VSYNC,
};
static struct physmap_flash_data pcm037_flash_data = {
@@ -250,19 +269,43 @@ static struct mxc_nand_platform_data pcm037_nand_board_info = {
.hw_ecc = 1,
};
-#ifdef CONFIG_I2C_IMX
static struct imxi2c_platform_data pcm037_i2c_1_data = {
.bitrate = 100000,
};
+static struct imxi2c_platform_data pcm037_i2c_2_data = {
+ .bitrate = 20000,
+};
+
static struct at24_platform_data board_eeprom = {
.byte_len = 4096,
.page_size = 32,
.flags = AT24_FLAG_ADDR16,
};
+static int pcm037_camera_power(struct device *dev, int on)
+{
+ /* disable or enable the camera in X7 or X8 PCM970 connector */
+ gpio_set_value(IOMUX_TO_GPIO(MX31_PIN_CSI_D5), !on);
+ return 0;
+}
+
+static struct i2c_board_info pcm037_i2c_2_devices[] = {
+ {
+ I2C_BOARD_INFO("mt9t031", 0x5d),
+ },
+};
+
+static struct soc_camera_link iclink = {
+ .bus_id = 0, /* Must match with the camera ID */
+ .power = pcm037_camera_power,
+ .board_info = &pcm037_i2c_2_devices[0],
+ .i2c_adapter_id = 2,
+ .module_name = "mt9t031",
+};
+
static struct i2c_board_info pcm037_i2c_devices[] = {
- {
+ {
I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */
.platform_data = &board_eeprom,
}, {
@@ -270,7 +313,14 @@ static struct i2c_board_info pcm037_i2c_devices[] = {
.type = "pcf8563",
}
};
-#endif
+
+static struct platform_device pcm037_camera = {
+ .name = "soc-camera-pdrv",
+ .id = 0,
+ .dev = {
+ .platform_data = &iclink,
+ },
+};
/* Not connected by default */
#ifdef PCM970_SDHC_RW_SWITCH
@@ -334,9 +384,41 @@ static struct imxmmc_platform_data sdhc_pdata = {
.exit = pcm970_sdhc1_exit,
};
+struct mx3_camera_pdata camera_pdata = {
+ .dma_dev = &mx3_ipu.dev,
+ .flags = MX3_CAMERA_DATAWIDTH_8 | MX3_CAMERA_DATAWIDTH_10,
+ .mclk_10khz = 2000,
+};
+
+static int __init pcm037_camera_alloc_dma(const size_t buf_size)
+{
+ dma_addr_t dma_handle;
+ void *buf;
+ int dma;
+
+ if (buf_size < 2 * 1024 * 1024)
+ return -EINVAL;
+
+ buf = dma_alloc_coherent(NULL, buf_size, &dma_handle, GFP_KERNEL);
+ if (!buf) {
+ pr_err("%s: cannot allocate camera buffer-memory\n", __func__);
+ return -ENOMEM;
+ }
+
+ memset(buf, 0, buf_size);
+
+ dma = dma_declare_coherent_memory(&mx3_camera.dev,
+ dma_handle, dma_handle, buf_size,
+ DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
+
+ /* The way we call dma_declare_coherent_memory only a malloc can fail */
+ return dma & DMA_MEMORY_MAP ? 0 : -ENOMEM;
+}
+
static struct platform_device *devices[] __initdata = {
&pcm037_flash,
&pcm037_sram_device,
+ &pcm037_camera,
};
static struct ipu_platform_data mx3_ipu_data = {
@@ -415,18 +497,30 @@ static void __init mxc_board_init(void)
}
-#ifdef CONFIG_I2C_IMX
+ /* I2C adapters and devices */
i2c_register_board_info(1, pcm037_i2c_devices,
ARRAY_SIZE(pcm037_i2c_devices));
mxc_register_device(&mxc_i2c_device1, &pcm037_i2c_1_data);
-#endif
+ mxc_register_device(&mxc_i2c_device2, &pcm037_i2c_2_data);
+
mxc_register_device(&mxc_nand_device, &pcm037_nand_board_info);
mxc_register_device(&mxcsdhc_device0, &sdhc_pdata);
mxc_register_device(&mx3_ipu, &mx3_ipu_data);
mxc_register_device(&mx3_fb, &mx3fb_pdata);
if (!gpio_usbotg_hs_activate())
mxc_register_device(&mxc_otg_udc_device, &usb_pdata);
+
+ /* CSI */
+ /* Camera power: default - off */
+ ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_CSI_D5), "mt9t031-power");
+ if (!ret)
+ gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_CSI_D5), 1);
+ else
+ iclink.power = NULL;
+
+ if (!pcm037_camera_alloc_dma(4 * 1024 * 1024))
+ mxc_register_device(&mx3_camera, &camera_pdata);
}
static void __init pcm037_timer_init(void)
diff --git a/arch/arm/plat-mxc/include/mach/iomux-mx3.h b/arch/arm/plat-mxc/include/mach/iomux-mx3.h
index 27f8d1b2bc6b..2eb182f73876 100644
--- a/arch/arm/plat-mxc/include/mach/iomux-mx3.h
+++ b/arch/arm/plat-mxc/include/mach/iomux-mx3.h
@@ -602,6 +602,8 @@ enum iomux_pins {
#define MX31_PIN_I2C_DAT__SDA IOMUX_MODE(MX31_PIN_I2C_DAT, IOMUX_CONFIG_FUNC)
#define MX31_PIN_DCD_DTE1__I2C2_SDA IOMUX_MODE(MX31_PIN_DCD_DTE1, IOMUX_CONFIG_ALT2)
#define MX31_PIN_RI_DTE1__I2C2_SCL IOMUX_MODE(MX31_PIN_RI_DTE1, IOMUX_CONFIG_ALT2)
+#define MX31_PIN_CSPI2_SS2__I2C3_SDA IOMUX_MODE(MX31_PIN_CSPI2_SS2, IOMUX_CONFIG_ALT1)
+#define MX31_PIN_CSPI2_SCLK__I2C3_SCL IOMUX_MODE(MX31_PIN_CSPI2_SCLK, IOMUX_CONFIG_ALT1)
#define MX31_PIN_CSI_D4__CSI_D4 IOMUX_MODE(MX31_PIN_CSI_D4, IOMUX_CONFIG_FUNC)
#define MX31_PIN_CSI_D5__CSI_D5 IOMUX_MODE(MX31_PIN_CSI_D5, IOMUX_CONFIG_FUNC)
#define MX31_PIN_CSI_D6__CSI_D6 IOMUX_MODE(MX31_PIN_CSI_D6, IOMUX_CONFIG_FUNC)