summaryrefslogtreecommitdiff
path: root/arch/arm/mach-shmobile/board-koelsch-reference.c
blob: d322a162b4b01f75ad52a92a496f9f43cdf8ac2c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
/*
 * 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/dma-mapping.h>
#include <linux/kernel.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/r8a7791.h>
#include <asm/mach/arch.h>

/* DU */
static struct rcar_du_encoder_data koelsch_du_encoders[] = {
	{
		.type = RCAR_DU_ENCODER_NONE,
		.output = RCAR_DU_OUTPUT_LVDS0,
		.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 koelsch_du_pdata = {
	.encoders = koelsch_du_encoders,
	.num_encoders = ARRAY_SIZE(koelsch_du_encoders),
};

static const struct resource du_resources[] __initconst = {
	DEFINE_RES_MEM(0xfeb00000, 0x40000),
	DEFINE_RES_MEM_NAMED(0xfeb90000, 0x1c, "lvds.0"),
	DEFINE_RES_IRQ(gic_spi(256)),
	DEFINE_RES_IRQ(gic_spi(268)),
};

static void __init koelsch_add_du_device(void)
{
	struct platform_device_info info = {
		.name = "rcar-du-r8a7791",
		.id = -1,
		.res = du_resources,
		.num_res = ARRAY_SIZE(du_resources),
		.data = &koelsch_du_pdata,
		.size_data = sizeof(koelsch_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-r8a7791" },
	{ "du1", "du.1", "rcar-du-r8a7791" },
	{ "lvds0", "lvds.0", "rcar-du-r8a7791" },
};

/*
 * 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" },
	{ "i2c2", NULL, "e6530000.i2c" },
	{ "msiof0", NULL, "e6e20000.spi" },
	{ "qspi_mod", NULL, "e6b10000.spi" },
	{ "sdhi0", NULL, "ee100000.sd" },
	{ "sdhi1", NULL, "ee140000.sd" },
	{ "sdhi2", NULL, "ee160000.sd" },
	{ "thermal", NULL, "e61f0000.thermal" },
};

static void __init koelsch_add_standard_devices(void)
{
	shmobile_clk_workaround(clk_names, ARRAY_SIZE(clk_names), false);
	shmobile_clk_workaround(clk_enables, ARRAY_SIZE(clk_enables), true);
	r8a7791_add_dt_devices();
	of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);

	koelsch_add_du_device();
}

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	= shmobile_init_delay,
	.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