ARM: shmobile: armadillo800eva: enable camera

This patch enable camera support on CON1

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Tested-by: Simon Horman <horms@verge.net.au>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>

2 files changed, 120 insertions, 1 deletions

diff --git a/arch/arm/configs/armadillo800eva_defconfig b/arch/arm/configs/armadillo800eva_defconfig
index f6ebdde380ee..df1ce543cd7c 100644
--- a/arch/arm/configs/armadillo800eva_defconfig
+++ b/arch/arm/configs/armadillo800eva_defconfig
@@ -86,6 +86,16 @@ CONFIG_SERIAL_SH_SCI_CONSOLE=y
 CONFIG_I2C=y
 CONFIG_I2C_SH_MOBILE=y
 # CONFIG_HWMON is not set
+CONFIG_MEDIA_SUPPORT=y
+CONFIG_VIDEO_DEV=y
+# CONFIG_RC_CORE is not set
+# CONFIG_VIDEO_HELPER_CHIPS_AUTO is not set
+# CONFIG_V4L_USB_DRIVERS is not set
+CONFIG_V4L_PLATFORM_DRIVERS=y
+CONFIG_SOC_CAMERA=y
+CONFIG_SOC_CAMERA_MT9T112=y
+CONFIG_VIDEO_SH_MOBILE_CEU=y
+# CONFIG_RADIO_ADAPTERS is not set
 CONFIG_FB=y
 CONFIG_FB_SH_MOBILE_LCDC=y
 CONFIG_FB_SH_MOBILE_HDMI=y
diff --git a/arch/arm/mach-shmobile/board-armadillo800eva.c b/arch/arm/mach-shmobile/board-armadillo800eva.c
index 4e6893f9e0da..2cce28b2e40a 100644
--- a/arch/arm/mach-shmobile/board-armadillo800eva.c
+++ b/arch/arm/mach-shmobile/board-armadillo800eva.c
@@ -37,13 +37,16 @@
 #include <linux/mmc/sh_mobile_sdhi.h>
 #include <mach/common.h>
 #include <mach/irqs.h>
+#include <mach/r8a7740.h>
+#include <media/mt9t112.h>
+#include <media/sh_mobile_ceu.h>
+#include <media/soc_camera.h>
 #include <asm/page.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
 #include <asm/mach/time.h>
 #include <asm/hardware/cache-l2x0.h>
-#include <mach/r8a7740.h>
 #include <video/sh_mobile_lcdc.h>
 #include <video/sh_mobile_hdmi.h>
 
@@ -630,6 +633,87 @@ static struct platform_device sh_mmcif_device = {
         .resource       = sh_mmcif_resources,
 };
 
+/* Camera */
+static int mt9t111_power(struct device *dev, int mode)
+{
+        struct clk *mclk = clk_get(NULL, "video1");
+
+        if (IS_ERR(mclk)) {
+                dev_err(dev, "can't get video1 clock\n");
+                return -EINVAL;
+        }
+
+        if (mode) {
+                /* video1 (= CON1 camera) expect 24MHz */
+                clk_set_rate(mclk, clk_round_rate(mclk, 24000000));
+                clk_enable(mclk);
+                gpio_direction_output(GPIO_PORT158, 1);
+        } else {
+                gpio_direction_output(GPIO_PORT158, 0);
+                clk_disable(mclk);
+        }
+
+        clk_put(mclk);
+
+        return 0;
+}
+
+static struct i2c_board_info i2c_camera_mt9t111 = {
+        I2C_BOARD_INFO("mt9t112", 0x3d),
+};
+
+static struct mt9t112_camera_info mt9t111_info = {
+        .divider = { 16, 0, 0, 7, 0, 10, 14, 7, 7 },
+};
+
+static struct soc_camera_link mt9t111_link = {
+        .i2c_adapter_id = 0,
+        .bus_id         = 0,
+        .board_info     = &i2c_camera_mt9t111,
+        .power          = mt9t111_power,
+        .priv           = &mt9t111_info,
+};
+
+static struct platform_device camera_device = {
+        .name   = "soc-camera-pdrv",
+        .id     = 0,
+        .dev    = {
+                .platform_data = &mt9t111_link,
+        },
+};
+
+/* CEU0 */
+static struct sh_mobile_ceu_info sh_mobile_ceu0_info = {
+        .flags = SH_CEU_FLAG_LOWER_8BIT,
+};
+
+static struct resource ceu0_resources[] = {
+        [0] = {
+                .name   = "CEU",
+                .start  = 0xfe910000,
+                .end    = 0xfe91009f,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = intcs_evt2irq(0x0500),
+                .flags  = IORESOURCE_IRQ,
+        },
+        [2] = {
+                /* place holder for contiguous memory */
+        },
+};
+
+static struct platform_device ceu0_device = {
+        .name           = "sh_mobile_ceu",
+        .id             = 0,
+        .num_resources  = ARRAY_SIZE(ceu0_resources),
+        .resource       = ceu0_resources,
+        .dev    = {
+                .platform_data          = &sh_mobile_ceu0_info,
+                .coherent_dma_mask      = 0xffffffff,
+        },
+};
+
 /* I2C */
 static struct i2c_board_info i2c0_devices[] = {
         {
@@ -649,6 +733,8 @@ static struct platform_device *eva_devices[] __initdata = {
         &sh_mmcif_device,
         &hdmi_device,
         &hdmi_lcdc_device,
+        &camera_device,
+        &ceu0_device,
 };
 
 static void __init eva_clock_init(void)
@@ -807,6 +893,29 @@ static void __init eva_init(void)
         gpio_request(GPIO_FN_MMC1_D6_PORT143,   NULL);
         gpio_request(GPIO_FN_MMC1_D7_PORT142,   NULL);
 
+        /* CEU0 */
+        gpio_request(GPIO_FN_VIO0_D7,           NULL);
+        gpio_request(GPIO_FN_VIO0_D6,           NULL);
+        gpio_request(GPIO_FN_VIO0_D5,           NULL);
+        gpio_request(GPIO_FN_VIO0_D4,           NULL);
+        gpio_request(GPIO_FN_VIO0_D3,           NULL);
+        gpio_request(GPIO_FN_VIO0_D2,           NULL);
+        gpio_request(GPIO_FN_VIO0_D1,           NULL);
+        gpio_request(GPIO_FN_VIO0_D0,           NULL);
+        gpio_request(GPIO_FN_VIO0_CLK,          NULL);
+        gpio_request(GPIO_FN_VIO0_HD,           NULL);
+        gpio_request(GPIO_FN_VIO0_VD,           NULL);
+        gpio_request(GPIO_FN_VIO0_FIELD,        NULL);
+        gpio_request(GPIO_FN_VIO_CKO,           NULL);
+
+        /* CON1/CON15 Camera */
+        gpio_request(GPIO_PORT173, NULL); /* STANDBY */
+        gpio_request(GPIO_PORT172, NULL); /* RST */
+        gpio_request(GPIO_PORT158, NULL); /* CAM_PON */
+        gpio_direction_output(GPIO_PORT173, 0);
+        gpio_direction_output(GPIO_PORT172, 1);
+        gpio_direction_output(GPIO_PORT158, 0); /* see mt9t111_power() */
+
         /*
          * CAUTION
          *