From 784c33a0c9b509f09cb69bc93f3863ed20338462 Mon Sep 17 00:00:00 2001
From: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Date: Sat, 7 Dec 2013 02:17:44 +0100
Subject: [PATCH] ARM: shmobile: koelsch: Add DU device

Only the LVDS output is currently supported.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
---
 arch/arm/mach-shmobile/board-koelsch.c | 63 ++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)

diff --git a/arch/arm/mach-shmobile/board-koelsch.c b/arch/arm/mach-shmobile/board-koelsch.c
index 6e12914d6d58..5d84fb6f3c5c 100644
--- a/arch/arm/mach-shmobile/board-koelsch.c
+++ b/arch/arm/mach-shmobile/board-koelsch.c
@@ -19,6 +19,7 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
+#include <linux/dma-mapping.h>
 #include <linux/gpio.h>
 #include <linux/gpio_keys.h>
 #include <linux/input.h>
@@ -26,13 +27,66 @@
 #include <linux/leds.h>
 #include <linux/pinctrl/machine.h>
 #include <linux/platform_data/gpio-rcar.h>
+#include <linux/platform_data/rcar-du.h>
 #include <linux/platform_device.h>
 #include <mach/common.h>
+#include <mach/irqs.h>
 #include <mach/r8a7791.h>
 #include <mach/rcar-gen2.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 
+/* DU */
+static struct rcar_du_encoder_data koelsch_du_encoders[] = {
+	{
+		.type = RCAR_DU_ENCODER_NONE,
+		.output = RCAR_DU_OUTPUT_LVDS0,
+		.connector.lvds.panel = {
+			.width_mm = 210,
+			.height_mm = 158,
+			.mode = {
+				.clock = 65000,
+				.hdisplay = 1024,
+				.hsync_start = 1048,
+				.hsync_end = 1184,
+				.htotal = 1344,
+				.vdisplay = 768,
+				.vsync_start = 771,
+				.vsync_end = 777,
+				.vtotal = 806,
+				.flags = 0,
+			},
+		},
+	},
+};
+
+static const struct rcar_du_platform_data koelsch_du_pdata __initconst = {
+	.encoders = koelsch_du_encoders,
+	.num_encoders = ARRAY_SIZE(koelsch_du_encoders),
+};
+
+static const struct resource du_resources[] __initconst = {
+	DEFINE_RES_MEM(0xfeb00000, 0x40000),
+	DEFINE_RES_MEM_NAMED(0xfeb90000, 0x1c, "lvds.0"),
+	DEFINE_RES_IRQ(gic_spi(256)),
+	DEFINE_RES_IRQ(gic_spi(268)),
+};
+
+static void __init koelsch_add_du_device(void)
+{
+	struct platform_device_info info = {
+		.name = "rcar-du-r8a7791",
+		.id = -1,
+		.res = du_resources,
+		.num_res = ARRAY_SIZE(du_resources),
+		.data = &koelsch_du_pdata,
+		.size_data = sizeof(koelsch_du_pdata),
+		.dma_mask = DMA_BIT_MASK(32),
+	};
+
+	platform_device_register_full(&info);
+}
+
 /* LEDS */
 static struct gpio_led koelsch_leds[] = {
 	{
@@ -80,6 +134,13 @@ static const struct gpio_keys_platform_data koelsch_keys_pdata __initconst = {
 };
 
 static const struct pinctrl_map koelsch_pinctrl_map[] = {
+	/* DU */
+	PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7791", "pfc-r8a7791",
+				  "du_rgb666", "du"),
+	PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7791", "pfc-r8a7791",
+				  "du_sync", "du"),
+	PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7791", "pfc-r8a7791",
+				  "du_clk_out_0", "du"),
 	/* SCIF0 (CN19: DEBUG SERIAL0) */
 	PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.6", "pfc-r8a7791",
 				  "scif0_data_d", "scif0"),
@@ -101,6 +162,8 @@ static void __init koelsch_add_standard_devices(void)
 	platform_device_register_data(&platform_bus, "gpio-keys", -1,
 				      &koelsch_keys_pdata,
 				      sizeof(koelsch_keys_pdata));
+
+	koelsch_add_du_device();
 }
 
 static const char * const koelsch_boards_compat_dt[] __initconst = {
-- 
2.34.1