2 * Lager board support - Reference DT implementation
4 * Copyright (C) 2013 Renesas Solutions Corp.
5 * Copyright (C) 2013 Simon Horman
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; version 2 of the License.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21 #include <linux/dma-mapping.h>
22 #include <linux/init.h>
23 #include <linux/of_platform.h>
24 #include <linux/platform_data/rcar-du.h>
25 #include <mach/r8a7790.h>
26 #include <asm/mach/arch.h>
30 #include "rcar-gen2.h"
33 static struct rcar_du_encoder_data lager_du_encoders
[] = {
35 .type
= RCAR_DU_ENCODER_VGA
,
36 .output
= RCAR_DU_OUTPUT_DPAD0
,
38 .type
= RCAR_DU_ENCODER_NONE
,
39 .output
= RCAR_DU_OUTPUT_LVDS1
,
40 .connector
.lvds
.panel
= {
59 static struct rcar_du_platform_data lager_du_pdata
= {
60 .encoders
= lager_du_encoders
,
61 .num_encoders
= ARRAY_SIZE(lager_du_encoders
),
64 static const struct resource du_resources
[] __initconst
= {
65 DEFINE_RES_MEM(0xfeb00000, 0x70000),
66 DEFINE_RES_MEM_NAMED(0xfeb90000, 0x1c, "lvds.0"),
67 DEFINE_RES_MEM_NAMED(0xfeb94000, 0x1c, "lvds.1"),
68 DEFINE_RES_IRQ(gic_spi(256)),
69 DEFINE_RES_IRQ(gic_spi(268)),
70 DEFINE_RES_IRQ(gic_spi(269)),
73 static void __init
lager_add_du_device(void)
75 struct platform_device_info info
= {
76 .name
= "rcar-du-r8a7790",
79 .num_res
= ARRAY_SIZE(du_resources
),
80 .data
= &lager_du_pdata
,
81 .size_data
= sizeof(lager_du_pdata
),
82 .dma_mask
= DMA_BIT_MASK(32),
85 platform_device_register_full(&info
);
89 * This is a really crude hack to provide clkdev support to platform
90 * devices until they get moved to DT.
92 static const struct clk_name clk_names
[] __initconst
= {
93 { "cmt0", "fck", "sh-cmt-48-gen2.0" },
94 { "du0", "du.0", "rcar-du-r8a7790" },
95 { "du1", "du.1", "rcar-du-r8a7790" },
96 { "du2", "du.2", "rcar-du-r8a7790" },
97 { "lvds0", "lvds.0", "rcar-du-r8a7790" },
98 { "lvds1", "lvds.1", "rcar-du-r8a7790" },
102 * This is a really crude hack to work around core platform clock issues
104 static const struct clk_name clk_enables
[] __initconst
= {
105 { "ether", NULL
, "ee700000.ethernet" },
106 { "msiof1", NULL
, "e6e10000.spi" },
107 { "mmcif1", NULL
, "ee220000.mmc" },
108 { "qspi_mod", NULL
, "e6b10000.spi" },
109 { "sdhi0", NULL
, "ee100000.sd" },
110 { "sdhi2", NULL
, "ee140000.sd" },
111 { "thermal", NULL
, "e61f0000.thermal" },
114 static void __init
lager_add_standard_devices(void)
116 shmobile_clk_workaround(clk_names
, ARRAY_SIZE(clk_names
), false);
117 shmobile_clk_workaround(clk_enables
, ARRAY_SIZE(clk_enables
), true);
118 r8a7790_add_dt_devices();
119 of_platform_populate(NULL
, of_default_bus_match_table
, NULL
, NULL
);
121 lager_add_du_device();
124 static const char *lager_boards_compat_dt
[] __initdata
= {
126 "renesas,lager-reference",
130 DT_MACHINE_START(LAGER_DT
, "lager")
131 .smp
= smp_ops(r8a7790_smp_ops
),
132 .init_early
= r8a7790_init_early
,
133 .init_time
= rcar_gen2_timer_init
,
134 .init_machine
= lager_add_standard_devices
,
135 .init_late
= shmobile_init_late
,
136 .dt_compat
= lager_boards_compat_dt
,