[PATCH 1/5] ARM: shmobile: marzen: Add Display Unit support
Simon Horman
horms+renesas at verge.net.au
Tue Aug 27 21:37:51 EDT 2013
From: Laurent Pinchart <laurent.pinchart+renesas at ideasonboard.com>
Support the DU0 VGA and DU1 LVDS outputs. DU1 is connected to a
Mitsubishi AA104XD12 panel (10.4" XGA).
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas at ideasonboard.com>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
Signed-off-by: Simon Horman <horms+renesas at verge.net.au>
---
arch/arm/mach-shmobile/board-marzen.c | 72 +++++++++++++++++++++++++++++++++++
1 file changed, 72 insertions(+)
diff --git a/arch/arm/mach-shmobile/board-marzen.c b/arch/arm/mach-shmobile/board-marzen.c
index a7d1010..4fa32cc 100644
--- a/arch/arm/mach-shmobile/board-marzen.c
+++ b/arch/arm/mach-shmobile/board-marzen.c
@@ -29,6 +29,7 @@
#include <linux/dma-mapping.h>
#include <linux/pinctrl/machine.h>
#include <linux/platform_data/gpio-rcar.h>
+#include <linux/platform_data/rcar-du.h>
#include <linux/regulator/fixed.h>
#include <linux/regulator/machine.h>
#include <linux/smsc911x.h>
@@ -148,6 +149,63 @@ static struct platform_device hspi_device = {
.num_resources = ARRAY_SIZE(hspi_resources),
};
+/*
+ * DU
+ *
+ * The panel only specifies the [hv]display and [hv]total values. The position
+ * and width of the sync pulses don't matter, they're copied from VESA timings.
+ */
+static struct rcar_du_encoder_data du_encoders[] = {
+ {
+ .type = RCAR_DU_ENCODER_VGA,
+ .output = RCAR_DU_OUTPUT_DPAD0,
+ }, {
+ .type = RCAR_DU_ENCODER_LVDS,
+ .output = RCAR_DU_OUTPUT_DPAD1,
+ .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 du_pdata __initconst = {
+ .encoders = du_encoders,
+ .num_encoders = ARRAY_SIZE(du_encoders),
+};
+
+static const struct resource du_resources[] __initconst = {
+ DEFINE_RES_MEM(0xfff80000, 0x40000),
+ DEFINE_RES_IRQ(gic_iid(0x3f)),
+};
+
+static void __init marzen_add_du_device(void)
+{
+ struct platform_device_info info = {
+ .name = "rcar-du-r8a7779",
+ .id = -1,
+ .res = du_resources,
+ .num_res = ARRAY_SIZE(du_resources),
+ .data = &du_pdata,
+ .size_data = sizeof(du_pdata),
+ .dma_mask = DMA_BIT_MASK(32),
+ };
+
+ platform_device_register_full(&info);
+}
+
/* LEDS */
static struct gpio_led marzen_leds[] = {
{
@@ -187,6 +245,19 @@ static struct platform_device *marzen_devices[] __initdata = {
};
static const struct pinctrl_map marzen_pinctrl_map[] = {
+ /* DU (CN10: ARGB0, CN13: LVDS) */
+ PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7779", "pfc-r8a7779",
+ "du0_rgb888", "du0"),
+ PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7779", "pfc-r8a7779",
+ "du0_sync_1", "du0"),
+ PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7779", "pfc-r8a7779",
+ "du0_clk_out_0", "du0"),
+ PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7779", "pfc-r8a7779",
+ "du1_rgb666", "du1"),
+ PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7779", "pfc-r8a7779",
+ "du1_sync_1", "du1"),
+ PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7779", "pfc-r8a7779",
+ "du1_clk_out", "du1"),
/* HSPI0 */
PIN_MAP_MUX_GROUP_DEFAULT("sh-hspi.0", "pfc-r8a7779",
"hspi0", "hspi0"),
@@ -236,6 +307,7 @@ static void __init marzen_init(void)
r8a7779_add_standard_devices();
r8a7779_add_usb_phy_device(&usb_phy_platform_data);
platform_add_devices(marzen_devices, ARRAY_SIZE(marzen_devices));
+ marzen_add_du_device();
}
MACHINE_START(MARZEN, "marzen")
--
1.8.3.2
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