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/*
* Koelsch board support - Reference DT implementation
*
* Copyright (C) 2013 Renesas Electronics Corporation
* Copyright (C) 2013 Renesas Solutions Corp.
* Copyright (C) 2013 Magnus Damm
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <linux/dma-mapping.h>
#include <linux/kernel.h>
#include <linux/of_platform.h>
#include <linux/platform_data/rcar-du.h>
#include <asm/mach/arch.h>
#include "clock.h"
#include "common.h"
#include "irqs.h"
#include "r8a7791.h"
#include "rcar-gen2.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 = {
.pixelclock = 65000000,
.hactive = 1024,
.hfront_porch = 20,
.hback_porch = 160,
.hsync_len = 136,
.vactive = 768,
.vfront_porch = 3,
.vback_porch = 29,
.vsync_len = 6,
},
},
},
};
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);
}
/*
* This is a really crude hack to provide clkdev support to platform
* devices until they get moved to DT.
*/
static const struct clk_name clk_names[] __initconst = {
{ "cmt0", "fck", "sh-cmt-48-gen2.0" },
{ "du0", "du.0", "rcar-du-r8a7791" },
{ "du1", "du.1", "rcar-du-r8a7791" },
{ "lvds0", "lvds.0", "rcar-du-r8a7791" },
};
static void __init koelsch_add_standard_devices(void)
{
shmobile_clk_workaround(clk_names, ARRAY_SIZE(clk_names), false);
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 = {
"renesas,koelsch",
"renesas,koelsch-reference",
NULL,
};
DT_MACHINE_START(KOELSCH_DT, "koelsch")
.smp = smp_ops(r8a7791_smp_ops),
.init_early = shmobile_init_delay,
.init_time = rcar_gen2_timer_init,
.init_machine = koelsch_add_standard_devices,
.init_late = shmobile_init_late,
.reserve = rcar_gen2_reserve,
.dt_compat = koelsch_boards_compat_dt,
MACHINE_END
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