[PATCH 08/16] ARM: shmobile: koelsch-reference: Add DU device
Simon Horman
horms+renesas at verge.net.au
Fri Feb 21 01:12:20 EST 2014
From: Laurent Pinchart <laurent.pinchart+renesas at ideasonboard.com>
The DU device has no DT bindings yet, instantiate it as a platform
device for now.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas at ideasonboard.com>
Acked-by: Magnus Damm <damm at opensource.se>
[horms+renesas at verge.net.au: omitted DTS portion]
Signed-off-by: Simon Horman <horms+renesas at verge.net.au>
---
arch/arm/mach-shmobile/board-koelsch-reference.c | 59 ++++++++++++++++++++++++
1 file changed, 59 insertions(+)
diff --git a/arch/arm/mach-shmobile/board-koelsch-reference.c b/arch/arm/mach-shmobile/board-koelsch-reference.c
index 42c6eb4..267fe83 100644
--- 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 = {
--
1.8.5.2
More information about the linux-arm-kernel
mailing list