2 * Koelsch board support - Reference DT implementation
4 * Copyright (C) 2013 Renesas Electronics Corporation
5 * Copyright (C) 2013 Renesas Solutions Corp.
6 * Copyright (C) 2013 Magnus Damm
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/dma-mapping.h>
23 #include <linux/kernel.h>
24 #include <linux/of_platform.h>
25 #include <linux/platform_data/rcar-du.h>
27 #include <asm/mach/arch.h>
33 #include "rcar-gen2.h"
36 static struct rcar_du_encoder_data koelsch_du_encoders[] = {
38 .type = RCAR_DU_ENCODER_NONE,
39 .output = RCAR_DU_OUTPUT_LVDS0,
40 .connector.lvds.panel = {
44 .pixelclock = 65000000,
58 static struct rcar_du_platform_data koelsch_du_pdata = {
59 .encoders = koelsch_du_encoders,
60 .num_encoders = ARRAY_SIZE(koelsch_du_encoders),
63 static const struct resource du_resources[] __initconst = {
64 DEFINE_RES_MEM(0xfeb00000, 0x40000),
65 DEFINE_RES_MEM_NAMED(0xfeb90000, 0x1c, "lvds.0"),
66 DEFINE_RES_IRQ(gic_spi(256)),
67 DEFINE_RES_IRQ(gic_spi(268)),
70 static void __init koelsch_add_du_device(void)
72 struct platform_device_info info = {
73 .name = "rcar-du-r8a7791",
76 .num_res = ARRAY_SIZE(du_resources),
77 .data = &koelsch_du_pdata,
78 .size_data = sizeof(koelsch_du_pdata),
79 .dma_mask = DMA_BIT_MASK(32),
82 platform_device_register_full(&info);
86 * This is a really crude hack to provide clkdev support to platform
87 * devices until they get moved to DT.
89 static const struct clk_name clk_names[] __initconst = {
90 { "du0", "du.0", "rcar-du-r8a7791" },
91 { "du1", "du.1", "rcar-du-r8a7791" },
92 { "lvds0", "lvds.0", "rcar-du-r8a7791" },
95 static void __init koelsch_add_standard_devices(void)
97 shmobile_clk_workaround(clk_names, ARRAY_SIZE(clk_names), false);
98 of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
100 koelsch_add_du_device();
103 static const char * const koelsch_boards_compat_dt[] __initconst = {
105 "renesas,koelsch-reference",
109 DT_MACHINE_START(KOELSCH_DT, "koelsch")
110 .smp = smp_ops(r8a7791_smp_ops),
111 .init_early = shmobile_init_delay,
112 .init_time = rcar_gen2_timer_init,
113 .init_machine = koelsch_add_standard_devices,
114 .init_late = shmobile_init_late,
115 .reserve = rcar_gen2_reserve,
116 .dt_compat = koelsch_boards_compat_dt,