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ARM: shmobile: marzen: Add Display Unit support 

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@ideasonboard.com>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
This commit is contained in:
Laurent Pinchart 2013-03-27 11:55:35 +01:00 committed by Simon Horman
parent f39d35fcc2
commit df83d90734
1 changed files with 72 additions and 0 deletions
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72
arch/arm/mach-shmobile/board-marzen.c
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@ -30,6 +30,7 @@
#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/platform_data/usb-rcar-phy.h>
#include <linux/regulator/fixed.h>
#include <linux/regulator/machine.h>
@ -169,6 +170,63 @@ 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[] = {
{
@ -237,6 +295,19 @@ 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"),
@ -297,6 +368,7 @@ static void __init marzen_init(void)
r8a7779_add_vin_device(1, &vin_platform_data);
r8a7779_add_vin_device(3, &vin_platform_data);
platform_add_devices(marzen_devices, ARRAY_SIZE(marzen_devices));
marzen_add_du_device();
}
static const char *marzen_boards_compat_dt[] __initdata = {