ARM: shmobile: koelsch-reference: Add DU device

The DU device has no DT bindings yet, instantiate it as a platform
device for now.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Magnus Damm <damm@opensource.se>
[horms+renesas@verge.net.au: omitted DTS portion]
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
(cherry picked from commit 14c5ce178ee46b205ff4e9087d5ecba298798edc)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm/mach-shmobile/board-koelsch-reference.c b/arch/arm/mach-shmobile/board-koelsch-reference.c
index 42c6eb4..267fe83 100644 (file)
--- a/arch/arm/mach-shmobile/board-koelsch-reference.c
+++ b/arch/arm/mach-shmobile/board-koelsch-reference.c
@@ -21,13 +21,67 @@
 
 #include <linux/clk.h>
 #include <linux/clkdev.h>
+#include <linux/dma-mapping.h>
 #include <linux/kernel.h>
 #include <linux/of_platform.h>
+#include <linux/platform_data/rcar-du.h>
 #include <mach/common.h>
+#include <mach/irqs.h>
 #include <mach/rcar-gen2.h>
 #include <mach/r8a7791.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 struct rcar_du_platform_data koelsch_du_pdata = {
+       .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);
+}
+
 static void __init koelsch_add_standard_devices(void)
 {
 #ifdef CONFIG_COMMON_CLK
@@ -56,6 +110,9 @@ static void __init koelsch_add_standard_devices(void)
                { "scifa3", NULL, "sh-sci.12" },
                { "scifa4", NULL, "sh-sci.13" },
                { "scifa5", NULL, "sh-sci.14" },
+               { "du0", "du.0", "rcar-du-r8a7791" },
+               { "du1", "du.1", "rcar-du-r8a7791" },
+               { "lvds0", "lvds.0", "rcar-du-r8a7791" },
        };
        struct clk *clk;
        unsigned int i;
@@ -73,6 +130,8 @@ static void __init koelsch_add_standard_devices(void)
 #endif
        r8a7791_add_dt_devices();
        of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
+
+       koelsch_add_du_device();
 }
 
 static const char * const koelsch_boards_compat_dt[] __initconst = {