diff options
Diffstat (limited to 'arch/arm/mach-shmobile/board-lager-reference.c')
| -rw-r--r-- | arch/arm/mach-shmobile/board-lager-reference.c | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/board-lager-reference.c b/arch/arm/mach-shmobile/board-lager-reference.c new file mode 100644 index 00000000000..749832e3f33 --- /dev/null +++ b/arch/arm/mach-shmobile/board-lager-reference.c @@ -0,0 +1,137 @@ +/* + * Lager board support - Reference DT implementation + * + * Copyright (C) 2013 Renesas Solutions Corp. + * Copyright (C) 2013 Simon Horman + * + * 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/init.h> +#include <linux/of_platform.h> +#include <linux/platform_data/rcar-du.h> +#include <mach/clock.h> +#include <mach/common.h> +#include <mach/irqs.h> +#include <mach/rcar-gen2.h> +#include <mach/r8a7790.h> +#include <asm/mach/arch.h> + +/* DU */ +static struct rcar_du_encoder_data lager_du_encoders[] = { + { + .type = RCAR_DU_ENCODER_VGA, + .output = RCAR_DU_OUTPUT_DPAD0, + }, { + .type = RCAR_DU_ENCODER_NONE, + .output = RCAR_DU_OUTPUT_LVDS1, + .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 struct rcar_du_platform_data lager_du_pdata = { + .encoders = lager_du_encoders, + .num_encoders = ARRAY_SIZE(lager_du_encoders), +}; + +static const struct resource du_resources[] __initconst = { + DEFINE_RES_MEM(0xfeb00000, 0x70000), + DEFINE_RES_MEM_NAMED(0xfeb90000, 0x1c, "lvds.0"), + DEFINE_RES_MEM_NAMED(0xfeb94000, 0x1c, "lvds.1"), + DEFINE_RES_IRQ(gic_spi(256)), + DEFINE_RES_IRQ(gic_spi(268)), + DEFINE_RES_IRQ(gic_spi(269)), +}; + +static void __init lager_add_du_device(void) +{ + struct platform_device_info info = { + .name = "rcar-du-r8a7790", + .id = -1, + .res = du_resources, + .num_res = ARRAY_SIZE(du_resources), + .data = &lager_du_pdata, + .size_data = sizeof(lager_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-r8a7790" }, + { "du1", "du.1", "rcar-du-r8a7790" }, + { "du2", "du.2", "rcar-du-r8a7790" }, + { "lvds0", "lvds.0", "rcar-du-r8a7790" }, + { "lvds1", "lvds.1", "rcar-du-r8a7790" }, +}; + +/* + * This is a really crude hack to work around core platform clock issues + */ +static const struct clk_name clk_enables[] __initconst = { + { "ether", NULL, "ee700000.ethernet" }, + { "msiof1", NULL, "e6e10000.spi" }, + { "mmcif1", NULL, "ee220000.mmc" }, + { "qspi_mod", NULL, "e6b10000.spi" }, + { "sdhi0", NULL, "ee100000.sd" }, + { "sdhi2", NULL, "ee140000.sd" }, + { "thermal", NULL, "e61f0000.thermal" }, +}; + +static void __init lager_add_standard_devices(void) +{ + shmobile_clk_workaround(clk_names, ARRAY_SIZE(clk_names), false); + shmobile_clk_workaround(clk_enables, ARRAY_SIZE(clk_enables), true); + r8a7790_add_dt_devices(); + of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); + + lager_add_du_device(); +} + +static const char *lager_boards_compat_dt[] __initdata = { + "renesas,lager", + "renesas,lager-reference", + NULL, +}; + +DT_MACHINE_START(LAGER_DT, "lager") + .smp = smp_ops(r8a7790_smp_ops), + .init_early = r8a7790_init_early, + .init_time = rcar_gen2_timer_init, + .init_machine = lager_add_standard_devices, + .init_late = shmobile_init_late, + .dt_compat = lager_boards_compat_dt, +MACHINE_END |
