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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/clk.h>
#include <linux/clkdev.h>
#include <linux/kernel.h>
#include <linux/of_platform.h>
#include <mach/common.h>
#include <mach/rcar-gen2.h>
#include <mach/r8a7791.h>
#include <asm/mach/arch.h>
static void __init koelsch_add_standard_devices(void)
{
#ifdef CONFIG_COMMON_CLK
/*
* This is a really crude hack to provide clkdev support to the SCIF
* and CMT devices until they get moved to DT.
*/
static const char * const scif_names[] = {
"scifa0", "scifa1", "scifb0", "scifb1", "scifb2", "scifa2",
"scif0", "scif1", "scif2", "scif3", "scif4", "scif5", "scifa3",
"scifa4", "scifa5",
};
struct clk *clk;
unsigned int i;
for (i = 0; i < ARRAY_SIZE(scif_names); ++i) {
clk = clk_get(NULL, scif_names[i]);
if (clk) {
clk_register_clkdev(clk, NULL, "sh-sci.%u", i);
clk_put(clk);
}
}
clk = clk_get(NULL, "cmt0");
if (clk) {
clk_register_clkdev(clk, NULL, "sh_cmt.0");
clk_put(clk);
}
#else
r8a7791_clock_init();
#endif
r8a7791_add_dt_devices();
of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
}
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 = r8a7791_init_early,
.init_time = rcar_gen2_timer_init,
.init_machine = koelsch_add_standard_devices,
.init_late = shmobile_init_late,
.dt_compat = koelsch_boards_compat_dt,
MACHINE_END
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