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[V4,2/4] ARM: shmobile: koelsch: Add VIN1 SoC camera support

Message ID 1391539703-5787-3-git-send-email-valentine.barshak@cogentembedded.com (mailing list archive)
State Deferred
Headers show

Commit Message

Valentine Barshak Feb. 4, 2014, 6:48 p.m. UTC
This adds VIN1 SoC camera along with ADV7180 subdevice support to Koelsch.
VIN0 camera is not registered because it has ADV7612 I2C subdevice
which is not supported yet.

Signed-off-by: Valentine Barshak <valentine.barshak@cogentembedded.com>
---
 arch/arm/mach-shmobile/board-koelsch.c | 76 ++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)

Changes in V2:
* made koelsch_add_vin_device function static;

Changes in V3:
* capitalized ARM in the subject;

Changes in V4:
* rebased on top of renesas-devel-v3.14-rc1-20140204 tag.
diff mbox

Patch

diff --git a/arch/arm/mach-shmobile/board-koelsch.c b/arch/arm/mach-shmobile/board-koelsch.c
index b9f638e..5bfd910 100644
--- a/arch/arm/mach-shmobile/board-koelsch.c
+++ b/arch/arm/mach-shmobile/board-koelsch.c
@@ -27,6 +27,7 @@ 
 #include <linux/leds.h>
 #include <linux/phy.h>
 #include <linux/pinctrl/machine.h>
+#include <linux/platform_data/camera-rcar.h>
 #include <linux/platform_data/gpio-rcar.h>
 #include <linux/platform_data/rcar-du.h>
 #include <linux/platform_device.h>
@@ -35,6 +36,7 @@ 
 #include <mach/irqs.h>
 #include <mach/r8a7791.h>
 #include <mach/rcar-gen2.h>
+#include <media/soc_camera.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 
@@ -195,6 +197,62 @@  static void __init koelsch_add_i2c(unsigned idx)
 					i2c_resources + res_idx, 2);
 }
 
+/* VIN */
+static const struct resource vin_resources[] __initconst = {
+	/* VIN0 */
+	DEFINE_RES_MEM(0xe6ef0000, 0x1000),
+	DEFINE_RES_IRQ(gic_spi(188)),
+	/* VIN1 */
+	DEFINE_RES_MEM(0xe6ef1000, 0x1000),
+	DEFINE_RES_IRQ(gic_spi(189)),
+};
+
+static void __init koelsch_add_vin_device(unsigned idx,
+					  struct rcar_vin_platform_data *pdata)
+{
+	struct platform_device_info vin_info = {
+		.parent		= &platform_bus,
+		.name		= "r8a7791-vin",
+		.id		= idx,
+		.res		= &vin_resources[idx * 2],
+		.num_res	= 2,
+		.dma_mask	= DMA_BIT_MASK(32),
+		.data		= pdata,
+		.size_data	= sizeof(*pdata),
+	};
+
+	BUG_ON(idx > 1);
+
+	platform_device_register_full(&vin_info);
+}
+
+#define KOELSCH_CAMERA(idx, name, addr, pdata, flag)			\
+static struct i2c_board_info i2c_cam##idx##_device = {			\
+	I2C_BOARD_INFO(name, addr),					\
+};									\
+									\
+static struct rcar_vin_platform_data vin##idx##_pdata = {		\
+	.flags = flag,							\
+};									\
+									\
+static struct soc_camera_link cam##idx##_link = {			\
+	.bus_id = idx,							\
+	.board_info = &i2c_cam##idx##_device,				\
+	.i2c_adapter_id = 2,						\
+	.module_name = name,						\
+	.priv = pdata,							\
+}
+
+/* Camera 0 is not currently supported due to adv7612 support missing */
+KOELSCH_CAMERA(1, "adv7180", 0x20, NULL, RCAR_VIN_BT656);
+
+static void __init koelsch_add_camera1_device(void)
+{
+	platform_device_register_data(&platform_bus, "soc-camera-pdrv", 1,
+				      &cam1_link, sizeof(cam1_link));
+	koelsch_add_vin_device(1, &vin1_pdata);
+}
+
 static const struct pinctrl_map koelsch_pinctrl_map[] = {
 	/* DU */
 	PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7791", "pfc-r8a7791",
@@ -227,6 +285,22 @@  static const struct pinctrl_map koelsch_pinctrl_map[] = {
 	/* I2C4 */
 	PIN_MAP_MUX_GROUP_DEFAULT("i2c-rcar_gen2.4", "pfc-r8a7791",
 				  "i2c4_c", "i2c4"),
+	/* VIN0 */
+	PIN_MAP_MUX_GROUP_DEFAULT("r8a7791-vin.0", "pfc-r8a7791",
+				  "vin0_data24", "vin0"),
+	PIN_MAP_MUX_GROUP_DEFAULT("r8a7791-vin.0", "pfc-r8a7791",
+				  "vin0_sync", "vin0"),
+	PIN_MAP_MUX_GROUP_DEFAULT("r8a7791-vin.0", "pfc-r8a7791",
+				  "vin0_field", "vin0"),
+	PIN_MAP_MUX_GROUP_DEFAULT("r8a7791-vin.0", "pfc-r8a7791",
+				  "vin0_clkenb", "vin0"),
+	PIN_MAP_MUX_GROUP_DEFAULT("r8a7791-vin.0", "pfc-r8a7791",
+				  "vin0_clk", "vin0"),
+	/* VIN1 */
+	PIN_MAP_MUX_GROUP_DEFAULT("r8a7791-vin.1", "pfc-r8a7791",
+				  "vin1_data8", "vin1"),
+	PIN_MAP_MUX_GROUP_DEFAULT("r8a7791-vin.1", "pfc-r8a7791",
+				  "vin1_clk", "vin1"),
 };
 
 static void __init koelsch_add_standard_devices(void)
@@ -255,6 +329,8 @@  static void __init koelsch_add_standard_devices(void)
 	koelsch_add_i2c(2);
 	koelsch_add_i2c(4);
 	koelsch_add_i2c(5);
+
+	koelsch_add_camera1_device();
 }
 
 /*