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72d0f1c3 SMK |
1 | /* |
2 | * linux/arch/arm/mach-omap2/board-2430sdp.c | |
3 | * | |
4 | * Copyright (C) 2006 Texas Instruments | |
5 | * | |
6 | * Modified from mach-omap2/board-generic.c | |
7 | * | |
8 | * Initial Code : Based on a patch from Komal Shah and Richard Woodruff | |
9 | * Updated the Code for 2430 SDP : Syed Mohammed Khasim | |
10 | * | |
11 | * This program is free software; you can redistribute it and/or modify | |
12 | * it under the terms of the GNU General Public License version 2 as | |
13 | * published by the Free Software Foundation. | |
14 | */ | |
15 | ||
16 | #include <linux/kernel.h> | |
17 | #include <linux/init.h> | |
18 | #include <linux/platform_device.h> | |
19 | #include <linux/mtd/mtd.h> | |
20 | #include <linux/mtd/partitions.h> | |
561b036a | 21 | #include <linux/mtd/physmap.h> |
3a63833e | 22 | #include <linux/mmc/host.h> |
72d0f1c3 | 23 | #include <linux/delay.h> |
b07682b6 | 24 | #include <linux/i2c/twl.h> |
d3f02fc3 | 25 | #include <linux/regulator/machine.h> |
72d0f1c3 SMK |
26 | #include <linux/err.h> |
27 | #include <linux/clk.h> | |
fced80c7 | 28 | #include <linux/io.h> |
f9fa1bb9 | 29 | #include <linux/gpio.h> |
72d0f1c3 | 30 | |
72d0f1c3 SMK |
31 | #include <asm/mach-types.h> |
32 | #include <asm/mach/arch.h> | |
33 | #include <asm/mach/map.h> | |
72d0f1c3 | 34 | |
4e65331c | 35 | #include "common.h" |
3ef5d007 | 36 | #include "gpmc.h" |
60628152 | 37 | #include "gpmc-smc91x.h" |
72d0f1c3 | 38 | |
6e896ff9 TV |
39 | #include <video/omapdss.h> |
40 | #include <video/omap-panel-generic-dpi.h> | |
41 | ||
369ed78f | 42 | #include "mux.h" |
d02a900b | 43 | #include "hsmmc.h" |
fbd8071c | 44 | #include "common-board-devices.h" |
72d0f1c3 | 45 | |
a362fdbd | 46 | #define SDP2430_CS0_BASE 0x04000000 |
7d8e967f | 47 | #define SECONDARY_LCD_GPIO 147 |
a362fdbd | 48 | |
72d0f1c3 SMK |
49 | static struct mtd_partition sdp2430_partitions[] = { |
50 | /* bootloader (U-Boot, etc) in first sector */ | |
51 | { | |
52 | .name = "bootloader", | |
53 | .offset = 0, | |
54 | .size = SZ_256K, | |
55 | .mask_flags = MTD_WRITEABLE, /* force read-only */ | |
56 | }, | |
57 | /* bootloader params in the next sector */ | |
58 | { | |
59 | .name = "params", | |
60 | .offset = MTDPART_OFS_APPEND, | |
61 | .size = SZ_128K, | |
62 | .mask_flags = 0, | |
63 | }, | |
64 | /* kernel */ | |
65 | { | |
66 | .name = "kernel", | |
67 | .offset = MTDPART_OFS_APPEND, | |
68 | .size = SZ_2M, | |
69 | .mask_flags = 0 | |
70 | }, | |
71 | /* file system */ | |
72 | { | |
73 | .name = "filesystem", | |
74 | .offset = MTDPART_OFS_APPEND, | |
75 | .size = MTDPART_SIZ_FULL, | |
76 | .mask_flags = 0 | |
77 | } | |
78 | }; | |
79 | ||
561b036a | 80 | static struct physmap_flash_data sdp2430_flash_data = { |
72d0f1c3 SMK |
81 | .width = 2, |
82 | .parts = sdp2430_partitions, | |
83 | .nr_parts = ARRAY_SIZE(sdp2430_partitions), | |
84 | }; | |
85 | ||
86 | static struct resource sdp2430_flash_resource = { | |
87 | .start = SDP2430_CS0_BASE, | |
88 | .end = SDP2430_CS0_BASE + SZ_64M - 1, | |
89 | .flags = IORESOURCE_MEM, | |
90 | }; | |
91 | ||
92 | static struct platform_device sdp2430_flash_device = { | |
561b036a | 93 | .name = "physmap-flash", |
72d0f1c3 SMK |
94 | .id = 0, |
95 | .dev = { | |
96 | .platform_data = &sdp2430_flash_data, | |
97 | }, | |
98 | .num_resources = 1, | |
99 | .resource = &sdp2430_flash_resource, | |
100 | }; | |
101 | ||
72d0f1c3 | 102 | static struct platform_device *sdp2430_devices[] __initdata = { |
72d0f1c3 | 103 | &sdp2430_flash_device, |
6e896ff9 TV |
104 | }; |
105 | ||
106 | /* LCD */ | |
107 | #define SDP2430_LCD_PANEL_BACKLIGHT_GPIO 91 | |
108 | #define SDP2430_LCD_PANEL_ENABLE_GPIO 154 | |
109 | ||
110 | static int sdp2430_panel_enable_lcd(struct omap_dss_device *dssdev) | |
111 | { | |
112 | gpio_direction_output(SDP2430_LCD_PANEL_ENABLE_GPIO, 1); | |
113 | gpio_direction_output(SDP2430_LCD_PANEL_BACKLIGHT_GPIO, 1); | |
114 | ||
115 | return 0; | |
116 | } | |
117 | ||
118 | static void sdp2430_panel_disable_lcd(struct omap_dss_device *dssdev) | |
119 | { | |
120 | gpio_direction_output(SDP2430_LCD_PANEL_ENABLE_GPIO, 0); | |
121 | gpio_direction_output(SDP2430_LCD_PANEL_BACKLIGHT_GPIO, 0); | |
122 | } | |
123 | ||
124 | static struct panel_generic_dpi_data sdp2430_panel_data = { | |
125 | .name = "nec_nl2432dr22-11b", | |
126 | .platform_enable = sdp2430_panel_enable_lcd, | |
127 | .platform_disable = sdp2430_panel_disable_lcd, | |
128 | }; | |
129 | ||
130 | static struct omap_dss_device sdp2430_lcd_device = { | |
131 | .name = "lcd", | |
132 | .driver_name = "generic_dpi_panel", | |
133 | .type = OMAP_DISPLAY_TYPE_DPI, | |
134 | .phy.dpi.data_lines = 16, | |
135 | .data = &sdp2430_panel_data, | |
136 | }; | |
137 | ||
138 | static struct omap_dss_device *sdp2430_dss_devices[] = { | |
7d8e967f ID |
139 | &sdp2430_lcd_device, |
140 | }; | |
141 | ||
6e896ff9 TV |
142 | static struct omap_dss_board_info sdp2430_dss_data = { |
143 | .num_devices = ARRAY_SIZE(sdp2430_dss_devices), | |
144 | .devices = sdp2430_dss_devices, | |
145 | .default_device = &sdp2430_lcd_device, | |
72d0f1c3 SMK |
146 | }; |
147 | ||
6e896ff9 TV |
148 | static void __init sdp2430_display_init(void) |
149 | { | |
150 | int r; | |
151 | ||
152 | static struct gpio gpios[] __initdata = { | |
153 | { SDP2430_LCD_PANEL_ENABLE_GPIO, GPIOF_OUT_INIT_LOW, | |
154 | "LCD reset" }, | |
155 | { SDP2430_LCD_PANEL_BACKLIGHT_GPIO, GPIOF_OUT_INIT_LOW, | |
156 | "LCD Backlight" }, | |
157 | }; | |
158 | ||
159 | r = gpio_request_array(gpios, ARRAY_SIZE(gpios)); | |
160 | if (r) { | |
161 | pr_err("Cannot request LCD GPIOs, error %d\n", r); | |
162 | return; | |
163 | } | |
164 | ||
165 | omap_display_init(&sdp2430_dss_data); | |
166 | } | |
167 | ||
1a48e157 | 168 | #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91x_MODULE) |
72d0f1c3 | 169 | |
1a48e157 TL |
170 | static struct omap_smc91x_platform_data board_smc91x_data = { |
171 | .cs = 5, | |
172 | .gpio_irq = 149, | |
173 | .flags = GPMC_MUX_ADD_DATA | GPMC_TIMINGS_SMC91C96 | | |
174 | IORESOURCE_IRQ_LOWLEVEL, | |
44595982 | 175 | |
1a48e157 | 176 | }; |
72d0f1c3 | 177 | |
1a48e157 TL |
178 | static void __init board_smc91x_init(void) |
179 | { | |
25d6f630 | 180 | omap_mux_init_gpio(149, OMAP_PIN_INPUT); |
1a48e157 TL |
181 | gpmc_smc91x_init(&board_smc91x_data); |
182 | } | |
72d0f1c3 | 183 | |
1a48e157 | 184 | #else |
72d0f1c3 | 185 | |
1a48e157 TL |
186 | static inline void board_smc91x_init(void) |
187 | { | |
72d0f1c3 SMK |
188 | } |
189 | ||
1a48e157 TL |
190 | #endif |
191 | ||
d3f02fc3 | 192 | static struct regulator_consumer_supply sdp2430_vmmc1_supplies[] = { |
0005ae73 | 193 | REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"), |
d3f02fc3 B |
194 | }; |
195 | ||
196 | /* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */ | |
197 | static struct regulator_init_data sdp2430_vmmc1 = { | |
198 | .constraints = { | |
199 | .min_uV = 1850000, | |
200 | .max_uV = 3150000, | |
201 | .valid_modes_mask = REGULATOR_MODE_NORMAL | |
202 | | REGULATOR_MODE_STANDBY, | |
203 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | |
204 | | REGULATOR_CHANGE_MODE | |
205 | | REGULATOR_CHANGE_STATUS, | |
206 | }, | |
207 | .num_consumer_supplies = ARRAY_SIZE(sdp2430_vmmc1_supplies), | |
208 | .consumer_supplies = &sdp2430_vmmc1_supplies[0], | |
209 | }; | |
210 | ||
90c62bf0 | 211 | static struct twl4030_gpio_platform_data sdp2430_gpio_data = { |
90c62bf0 TL |
212 | }; |
213 | ||
214 | static struct twl4030_platform_data sdp2430_twldata = { | |
90c62bf0 TL |
215 | /* platform_data for children goes here */ |
216 | .gpio = &sdp2430_gpio_data, | |
d3f02fc3 | 217 | .vmmc1 = &sdp2430_vmmc1, |
90c62bf0 TL |
218 | }; |
219 | ||
39ecc703 VM |
220 | static struct i2c_board_info __initdata sdp2430_i2c1_boardinfo[] = { |
221 | { | |
222 | I2C_BOARD_INFO("isp1301_omap", 0x2D), | |
223 | .flags = I2C_CLIENT_WAKE, | |
39ecc703 VM |
224 | }, |
225 | }; | |
226 | ||
90c62bf0 TL |
227 | static int __init omap2430_i2c_init(void) |
228 | { | |
46a0a540 | 229 | sdp2430_i2c1_boardinfo[0].irq = gpio_to_irq(78); |
39ecc703 VM |
230 | omap_register_i2c_bus(1, 100, sdp2430_i2c1_boardinfo, |
231 | ARRAY_SIZE(sdp2430_i2c1_boardinfo)); | |
7d7e1eba | 232 | omap_pmic_init(2, 100, "twl4030", 7 + OMAP_INTC_START, |
bfd46a54 | 233 | &sdp2430_twldata); |
90c62bf0 TL |
234 | return 0; |
235 | } | |
236 | ||
68ff0423 | 237 | static struct omap2_hsmmc_info mmc[] __initdata = { |
90c62bf0 TL |
238 | { |
239 | .mmc = 1, | |
3a63833e | 240 | .caps = MMC_CAP_4_BIT_DATA, |
90c62bf0 TL |
241 | .gpio_cd = -EINVAL, |
242 | .gpio_wp = -EINVAL, | |
243 | .ext_clock = 1, | |
244 | }, | |
245 | {} /* Terminator */ | |
246 | }; | |
247 | ||
369ed78f TL |
248 | #ifdef CONFIG_OMAP_MUX |
249 | static struct omap_board_mux board_mux[] __initdata = { | |
250 | { .reg_offset = OMAP_MUX_TERMINATOR }, | |
251 | }; | |
369ed78f TL |
252 | #endif |
253 | ||
72d0f1c3 SMK |
254 | static void __init omap_2430sdp_init(void) |
255 | { | |
369ed78f TL |
256 | omap2430_mux_init(board_mux, OMAP_PACKAGE_ZAC); |
257 | ||
90c62bf0 TL |
258 | omap2430_i2c_init(); |
259 | ||
72d0f1c3 | 260 | platform_add_devices(sdp2430_devices, ARRAY_SIZE(sdp2430_devices)); |
72d0f1c3 | 261 | omap_serial_init(); |
a4ca9dbe | 262 | omap_sdrc_init(NULL, NULL); |
3b972bf0 | 263 | omap_hsmmc_init(mmc); |
58310acd TL |
264 | |
265 | omap_mux_init_signal("usb0hs_stp", OMAP_PULL_ENA | OMAP_PULL_UP); | |
9e18630b | 266 | usb_musb_init(NULL); |
58310acd | 267 | |
1a48e157 | 268 | board_smc91x_init(); |
7d8e967f ID |
269 | |
270 | /* Turn off secondary LCD backlight */ | |
bc593f5d IG |
271 | gpio_request_one(SECONDARY_LCD_GPIO, GPIOF_OUT_INIT_LOW, |
272 | "Secondary LCD backlight"); | |
6e896ff9 TV |
273 | |
274 | sdp2430_display_init(); | |
72d0f1c3 SMK |
275 | } |
276 | ||
72d0f1c3 SMK |
277 | MACHINE_START(OMAP_2430SDP, "OMAP2430 sdp2430 board") |
278 | /* Maintainer: Syed Khasim - Texas Instruments Inc */ | |
5e52b435 | 279 | .atag_offset = 0x100, |
71ee7dad | 280 | .reserve = omap_reserve, |
e990a406 | 281 | .map_io = omap243x_map_io, |
8f5b5a41 | 282 | .init_early = omap2430_init_early, |
741e3a89 | 283 | .init_irq = omap2_init_irq, |
6b2f55d7 | 284 | .handle_irq = omap2_intc_handle_irq, |
72d0f1c3 | 285 | .init_machine = omap_2430sdp_init, |
bbd707ac | 286 | .init_late = omap2430_init_late, |
e74984e4 | 287 | .timer = &omap2_timer, |
187e3e06 | 288 | .restart = omap2xxx_restart, |
72d0f1c3 | 289 | MACHINE_END |