diff options
Diffstat (limited to 'arch/arm/mach-shmobile/board-koelsch-reference.c')
| -rw-r--r-- | arch/arm/mach-shmobile/board-koelsch-reference.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/board-koelsch-reference.c b/arch/arm/mach-shmobile/board-koelsch-reference.c new file mode 100644 index 000000000000..652b59268416 --- /dev/null +++ b/arch/arm/mach-shmobile/board-koelsch-reference.c @@ -0,0 +1,79 @@ +/* + * 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 |