Commit | Line | Data |
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a2baf191 MD |
1 | /* |
2 | * Koelsch board support - Reference DT implementation | |
3 | * | |
4 | * Copyright (C) 2013 Renesas Electronics Corporation | |
5 | * Copyright (C) 2013 Renesas Solutions Corp. | |
6 | * Copyright (C) 2013 Magnus Damm | |
7 | * | |
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. | |
11 | * | |
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. | |
16 | * | |
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 | |
20 | */ | |
21 | ||
f31239ef LP |
22 | #include <linux/clk.h> |
23 | #include <linux/clkdev.h> | |
14c5ce17 | 24 | #include <linux/dma-mapping.h> |
a2baf191 MD |
25 | #include <linux/kernel.h> |
26 | #include <linux/of_platform.h> | |
14c5ce17 | 27 | #include <linux/platform_data/rcar-du.h> |
6dc00ab9 | 28 | #include <mach/common.h> |
14c5ce17 | 29 | #include <mach/irqs.h> |
a2baf191 MD |
30 | #include <mach/rcar-gen2.h> |
31 | #include <mach/r8a7791.h> | |
32 | #include <asm/mach/arch.h> | |
33 | ||
14c5ce17 LP |
34 | /* DU */ |
35 | static struct rcar_du_encoder_data koelsch_du_encoders[] = { | |
36 | { | |
37 | .type = RCAR_DU_ENCODER_NONE, | |
38 | .output = RCAR_DU_OUTPUT_LVDS0, | |
39 | .connector.lvds.panel = { | |
40 | .width_mm = 210, | |
41 | .height_mm = 158, | |
42 | .mode = { | |
43 | .clock = 65000, | |
44 | .hdisplay = 1024, | |
45 | .hsync_start = 1048, | |
46 | .hsync_end = 1184, | |
47 | .htotal = 1344, | |
48 | .vdisplay = 768, | |
49 | .vsync_start = 771, | |
50 | .vsync_end = 777, | |
51 | .vtotal = 806, | |
52 | .flags = 0, | |
53 | }, | |
54 | }, | |
55 | }, | |
56 | }; | |
57 | ||
58 | static struct rcar_du_platform_data koelsch_du_pdata = { | |
59 | .encoders = koelsch_du_encoders, | |
60 | .num_encoders = ARRAY_SIZE(koelsch_du_encoders), | |
61 | }; | |
62 | ||
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)), | |
68 | }; | |
69 | ||
70 | static void __init koelsch_add_du_device(void) | |
71 | { | |
72 | struct platform_device_info info = { | |
73 | .name = "rcar-du-r8a7791", | |
74 | .id = -1, | |
75 | .res = du_resources, | |
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), | |
80 | }; | |
81 | ||
82 | platform_device_register_full(&info); | |
83 | } | |
84 | ||
a2baf191 MD |
85 | static void __init koelsch_add_standard_devices(void) |
86 | { | |
f31239ef LP |
87 | #ifdef CONFIG_COMMON_CLK |
88 | /* | |
189ef3d6 LP |
89 | * This is a really crude hack to provide clkdev support to the CMT and |
90 | * DU devices until they get moved to DT. | |
f31239ef | 91 | */ |
189ef3d6 LP |
92 | static const struct clk_name { |
93 | const char *clk; | |
94 | const char *con_id; | |
95 | const char *dev_id; | |
96 | } clk_names[] = { | |
97 | { "cmt0", NULL, "sh_cmt.0" }, | |
98 | { "scifa0", NULL, "sh-sci.0" }, | |
99 | { "scifa1", NULL, "sh-sci.1" }, | |
100 | { "scifb0", NULL, "sh-sci.2" }, | |
101 | { "scifb1", NULL, "sh-sci.3" }, | |
102 | { "scifb2", NULL, "sh-sci.4" }, | |
103 | { "scifa2", NULL, "sh-sci.5" }, | |
104 | { "scif0", NULL, "sh-sci.6" }, | |
105 | { "scif1", NULL, "sh-sci.7" }, | |
106 | { "scif2", NULL, "sh-sci.8" }, | |
107 | { "scif3", NULL, "sh-sci.9" }, | |
108 | { "scif4", NULL, "sh-sci.10" }, | |
109 | { "scif5", NULL, "sh-sci.11" }, | |
110 | { "scifa3", NULL, "sh-sci.12" }, | |
111 | { "scifa4", NULL, "sh-sci.13" }, | |
112 | { "scifa5", NULL, "sh-sci.14" }, | |
14c5ce17 LP |
113 | { "du0", "du.0", "rcar-du-r8a7791" }, |
114 | { "du1", "du.1", "rcar-du-r8a7791" }, | |
115 | { "lvds0", "lvds.0", "rcar-du-r8a7791" }, | |
f31239ef LP |
116 | }; |
117 | struct clk *clk; | |
118 | unsigned int i; | |
119 | ||
189ef3d6 LP |
120 | for (i = 0; i < ARRAY_SIZE(clk_names); ++i) { |
121 | clk = clk_get(NULL, clk_names[i].clk); | |
ca118752 | 122 | if (!IS_ERR(clk)) { |
189ef3d6 LP |
123 | clk_register_clkdev(clk, clk_names[i].con_id, |
124 | clk_names[i].dev_id); | |
f31239ef LP |
125 | clk_put(clk); |
126 | } | |
127 | } | |
f31239ef | 128 | #else |
a2baf191 | 129 | r8a7791_clock_init(); |
6d75bc64 | 130 | #endif |
a2baf191 MD |
131 | r8a7791_add_dt_devices(); |
132 | of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); | |
14c5ce17 LP |
133 | |
134 | koelsch_add_du_device(); | |
a2baf191 MD |
135 | } |
136 | ||
137 | static const char * const koelsch_boards_compat_dt[] __initconst = { | |
1d2bdbc3 | 138 | "renesas,koelsch", |
a2baf191 MD |
139 | "renesas,koelsch-reference", |
140 | NULL, | |
141 | }; | |
142 | ||
143 | DT_MACHINE_START(KOELSCH_DT, "koelsch") | |
144 | .smp = smp_ops(r8a7791_smp_ops), | |
145 | .init_early = r8a7791_init_early, | |
146 | .init_time = rcar_gen2_timer_init, | |
147 | .init_machine = koelsch_add_standard_devices, | |
6dc00ab9 | 148 | .init_late = shmobile_init_late, |
a2baf191 MD |
149 | .dt_compat = koelsch_boards_compat_dt, |
150 | MACHINE_END |