2 * marzen board support - Reference DT implementation
4 * Copyright (C) 2011 Renesas Solutions Corp.
5 * Copyright (C) 2011 Magnus Damm
6 * Copyright (C) 2013 Simon Horman
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; version 2 of the License.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 #include <linux/clk/shmobile.h>
23 #include <linux/clocksource.h>
24 #include <linux/of_platform.h>
25 #include <mach/r8a7779.h>
27 #include <asm/mach/arch.h>
32 static void __init marzen_init_timer(void)
34 r8a7779_clocks_init(r8a7779_read_mode_pins());
35 clocksource_of_init();
39 * This is a really crude hack to provide clkdev support to platform
40 * devices until they get moved to DT.
42 static const struct clk_name clk_names[] __initconst = {
43 { "scif0", NULL, "sh-sci.0" },
44 { "scif1", NULL, "sh-sci.1" },
45 { "scif2", NULL, "sh-sci.2" },
46 { "scif3", NULL, "sh-sci.3" },
47 { "scif4", NULL, "sh-sci.4" },
48 { "scif5", NULL, "sh-sci.5" },
49 { "tmu0", "fck", "sh-tmu.0" },
52 static void __init marzen_init(void)
54 shmobile_clk_workaround(clk_names, ARRAY_SIZE(clk_names), false);
55 r8a7779_add_standard_devices_dt();
56 of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
57 r8a7779_init_irq_extpin_dt(1); /* IRQ1 as individual interrupt */
60 static const char *marzen_boards_compat_dt[] __initdata = {
62 "renesas,marzen-reference",
66 DT_MACHINE_START(MARZEN, "marzen")
67 .smp = smp_ops(r8a7779_smp_ops),
68 .map_io = r8a7779_map_io,
69 .init_early = r8a7779_init_delay,
70 .init_time = marzen_init_timer,
71 .nr_irqs = NR_IRQS_LEGACY,
72 .init_irq = r8a7779_init_irq_dt,
73 .init_machine = marzen_init,
74 .dt_compat = marzen_boards_compat_dt,