Commit | Line | Data |
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6dace67f SH |
1 | /* |
2 | * Lager board support - Reference DT implementation | |
3 | * | |
4 | * Copyright (C) 2013 Renesas Solutions Corp. | |
5 | * Copyright (C) 2013 Simon Horman | |
6 | * | |
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. | |
10 | * | |
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. | |
15 | * | |
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 | |
19 | */ | |
20 | ||
4a606af2 LP |
21 | #include <linux/clk.h> |
22 | #include <linux/clkdev.h> | |
433aa851 | 23 | #include <linux/dma-mapping.h> |
6dace67f | 24 | #include <linux/init.h> |
6dace67f | 25 | #include <linux/of_platform.h> |
433aa851 | 26 | #include <linux/platform_data/rcar-du.h> |
3fbbcbdf | 27 | #include <mach/common.h> |
433aa851 | 28 | #include <mach/irqs.h> |
20c6125f | 29 | #include <mach/rcar-gen2.h> |
6dace67f SH |
30 | #include <mach/r8a7790.h> |
31 | #include <asm/mach/arch.h> | |
32 | ||
433aa851 LP |
33 | /* DU */ |
34 | static struct rcar_du_encoder_data lager_du_encoders[] = { | |
35 | { | |
36 | .type = RCAR_DU_ENCODER_VGA, | |
37 | .output = RCAR_DU_OUTPUT_DPAD0, | |
38 | }, { | |
39 | .type = RCAR_DU_ENCODER_NONE, | |
40 | .output = RCAR_DU_OUTPUT_LVDS1, | |
41 | .connector.lvds.panel = { | |
42 | .width_mm = 210, | |
43 | .height_mm = 158, | |
44 | .mode = { | |
45 | .clock = 65000, | |
46 | .hdisplay = 1024, | |
47 | .hsync_start = 1048, | |
48 | .hsync_end = 1184, | |
49 | .htotal = 1344, | |
50 | .vdisplay = 768, | |
51 | .vsync_start = 771, | |
52 | .vsync_end = 777, | |
53 | .vtotal = 806, | |
54 | .flags = 0, | |
55 | }, | |
56 | }, | |
57 | }, | |
58 | }; | |
59 | ||
60 | static struct rcar_du_platform_data lager_du_pdata = { | |
61 | .encoders = lager_du_encoders, | |
62 | .num_encoders = ARRAY_SIZE(lager_du_encoders), | |
63 | }; | |
64 | ||
65 | static const struct resource du_resources[] __initconst = { | |
66 | DEFINE_RES_MEM(0xfeb00000, 0x70000), | |
67 | DEFINE_RES_MEM_NAMED(0xfeb90000, 0x1c, "lvds.0"), | |
68 | DEFINE_RES_MEM_NAMED(0xfeb94000, 0x1c, "lvds.1"), | |
69 | DEFINE_RES_IRQ(gic_spi(256)), | |
70 | DEFINE_RES_IRQ(gic_spi(268)), | |
71 | DEFINE_RES_IRQ(gic_spi(269)), | |
72 | }; | |
73 | ||
74 | static void __init lager_add_du_device(void) | |
75 | { | |
76 | struct platform_device_info info = { | |
77 | .name = "rcar-du-r8a7790", | |
78 | .id = -1, | |
79 | .res = du_resources, | |
80 | .num_res = ARRAY_SIZE(du_resources), | |
81 | .data = &lager_du_pdata, | |
82 | .size_data = sizeof(lager_du_pdata), | |
83 | .dma_mask = DMA_BIT_MASK(32), | |
84 | }; | |
85 | ||
86 | platform_device_register_full(&info); | |
87 | } | |
88 | ||
d144f362 | 89 | static void __init lager_add_standard_devices(void) |
6dace67f | 90 | { |
4a606af2 | 91 | /* |
9a8c3ab9 LP |
92 | * This is a really crude hack to provide clkdev support to platform |
93 | * devices until they get moved to DT. | |
4a606af2 | 94 | */ |
9a8c3ab9 LP |
95 | static const struct clk_name { |
96 | const char *clk; | |
97 | const char *con_id; | |
98 | const char *dev_id; | |
99 | } clk_names[] = { | |
100 | { "cmt0", NULL, "sh_cmt.0" }, | |
101 | { "scifa0", NULL, "sh-sci.0" }, | |
102 | { "scifa1", NULL, "sh-sci.1" }, | |
103 | { "scifb0", NULL, "sh-sci.2" }, | |
104 | { "scifb1", NULL, "sh-sci.3" }, | |
105 | { "scifb2", NULL, "sh-sci.4" }, | |
106 | { "scifa2", NULL, "sh-sci.5" }, | |
107 | { "scif0", NULL, "sh-sci.6" }, | |
108 | { "scif1", NULL, "sh-sci.7" }, | |
109 | { "hscif0", NULL, "sh-sci.8" }, | |
110 | { "hscif1", NULL, "sh-sci.9" }, | |
433aa851 LP |
111 | { "du0", "du.0", "rcar-du-r8a7790" }, |
112 | { "du1", "du.1", "rcar-du-r8a7790" }, | |
113 | { "du2", "du.2", "rcar-du-r8a7790" }, | |
114 | { "lvds0", "lvds.0", "rcar-du-r8a7790" }, | |
115 | { "lvds1", "lvds.1", "rcar-du-r8a7790" }, | |
4a606af2 LP |
116 | }; |
117 | struct clk *clk; | |
118 | unsigned int i; | |
119 | ||
9a8c3ab9 LP |
120 | for (i = 0; i < ARRAY_SIZE(clk_names); ++i) { |
121 | clk = clk_get(NULL, clk_names[i].clk); | |
7a543d81 | 122 | if (!IS_ERR(clk)) { |
9a8c3ab9 LP |
123 | clk_register_clkdev(clk, clk_names[i].con_id, |
124 | clk_names[i].dev_id); | |
4a606af2 LP |
125 | clk_put(clk); |
126 | } | |
127 | } | |
4a606af2 | 128 | |
6dace67f | 129 | r8a7790_add_dt_devices(); |
20c6125f | 130 | of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); |
433aa851 LP |
131 | |
132 | lager_add_du_device(); | |
6dace67f SH |
133 | } |
134 | ||
135 | static const char *lager_boards_compat_dt[] __initdata = { | |
1fb68146 | 136 | "renesas,lager", |
6dace67f SH |
137 | "renesas,lager-reference", |
138 | NULL, | |
139 | }; | |
140 | ||
141 | DT_MACHINE_START(LAGER_DT, "lager") | |
ad09cb83 | 142 | .smp = smp_ops(r8a7790_smp_ops), |
0efd7faa | 143 | .init_early = r8a7790_init_early, |
50c517d9 | 144 | .init_time = rcar_gen2_timer_init, |
6dace67f | 145 | .init_machine = lager_add_standard_devices, |
3fbbcbdf | 146 | .init_late = shmobile_init_late, |
6dace67f SH |
147 | .dt_compat = lager_boards_compat_dt, |
148 | MACHINE_END |