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>
21 #include <linux/mtd/physmap.h>
22 #include <linux/mmc/host.h>
23 #include <linux/delay.h>
24 #include <linux/i2c/twl.h>
25 #include <linux/regulator/machine.h>
26 #include <linux/err.h>
27 #include <linux/clk.h>
28 #include <linux/io.h>
29 #include <linux/gpio.h>
30
31 #include <mach/hardware.h>
32 #include <asm/mach-types.h>
33 #include <asm/mach/arch.h>
34 #include <asm/mach/map.h>
35
36 #include <plat/board.h>
37 #include "common.h"
38 #include <plat/gpmc.h>
39 #include <plat/usb.h>
40 #include <plat/gpmc-smc91x.h>
41
42 #include <video/omapdss.h>
43 #include <video/omap-panel-generic-dpi.h>
44
45 #include "mux.h"
46 #include "hsmmc.h"
47 #include "common-board-devices.h"
48
49 #define SDP2430_CS0_BASE 0x04000000
50 #define SECONDARY_LCD_GPIO 147
51
52 static struct mtd_partition sdp2430_partitions[] = {
53 /* bootloader (U-Boot, etc) in first sector */
54 {
55 .name = "bootloader",
56 .offset = 0,
57 .size = SZ_256K,
58 .mask_flags = MTD_WRITEABLE, /* force read-only */
59 },
60 /* bootloader params in the next sector */
61 {
62 .name = "params",
63 .offset = MTDPART_OFS_APPEND,
64 .size = SZ_128K,
65 .mask_flags = 0,
66 },
67 /* kernel */
68 {
69 .name = "kernel",
70 .offset = MTDPART_OFS_APPEND,
71 .size = SZ_2M,
72 .mask_flags = 0
73 },
74 /* file system */
75 {
76 .name = "filesystem",
77 .offset = MTDPART_OFS_APPEND,
78 .size = MTDPART_SIZ_FULL,
79 .mask_flags = 0
80 }
81 };
82
83 static struct physmap_flash_data sdp2430_flash_data = {
84 .width = 2,
85 .parts = sdp2430_partitions,
86 .nr_parts = ARRAY_SIZE(sdp2430_partitions),
87 };
88
89 static struct resource sdp2430_flash_resource = {
90 .start = SDP2430_CS0_BASE,
91 .end = SDP2430_CS0_BASE + SZ_64M - 1,
92 .flags = IORESOURCE_MEM,
93 };
94
95 static struct platform_device sdp2430_flash_device = {
96 .name = "physmap-flash",
97 .id = 0,
98 .dev = {
99 .platform_data = &sdp2430_flash_data,
100 },
101 .num_resources = 1,
102 .resource = &sdp2430_flash_resource,
103 };
104
105 static struct platform_device *sdp2430_devices[] __initdata = {
106 &sdp2430_flash_device,
107 };
108
109 /* LCD */
110 #define SDP2430_LCD_PANEL_BACKLIGHT_GPIO 91
111 #define SDP2430_LCD_PANEL_ENABLE_GPIO 154
112
sdp2430_panel_enable_lcd(struct omap_dss_device * dssdev)113 static int sdp2430_panel_enable_lcd(struct omap_dss_device *dssdev)
114 {
115 gpio_direction_output(SDP2430_LCD_PANEL_ENABLE_GPIO, 1);
116 gpio_direction_output(SDP2430_LCD_PANEL_BACKLIGHT_GPIO, 1);
117
118 return 0;
119 }
120
sdp2430_panel_disable_lcd(struct omap_dss_device * dssdev)121 static void sdp2430_panel_disable_lcd(struct omap_dss_device *dssdev)
122 {
123 gpio_direction_output(SDP2430_LCD_PANEL_ENABLE_GPIO, 0);
124 gpio_direction_output(SDP2430_LCD_PANEL_BACKLIGHT_GPIO, 0);
125 }
126
127 static struct panel_generic_dpi_data sdp2430_panel_data = {
128 .name = "nec_nl2432dr22-11b",
129 .platform_enable = sdp2430_panel_enable_lcd,
130 .platform_disable = sdp2430_panel_disable_lcd,
131 };
132
133 static struct omap_dss_device sdp2430_lcd_device = {
134 .name = "lcd",
135 .driver_name = "generic_dpi_panel",
136 .type = OMAP_DISPLAY_TYPE_DPI,
137 .phy.dpi.data_lines = 16,
138 .data = &sdp2430_panel_data,
139 };
140
141 static struct omap_dss_device *sdp2430_dss_devices[] = {
142 &sdp2430_lcd_device,
143 };
144
145 static struct omap_dss_board_info sdp2430_dss_data = {
146 .num_devices = ARRAY_SIZE(sdp2430_dss_devices),
147 .devices = sdp2430_dss_devices,
148 .default_device = &sdp2430_lcd_device,
149 };
150
sdp2430_display_init(void)151 static void __init sdp2430_display_init(void)
152 {
153 int r;
154
155 static struct gpio gpios[] __initdata = {
156 { SDP2430_LCD_PANEL_ENABLE_GPIO, GPIOF_OUT_INIT_LOW,
157 "LCD reset" },
158 { SDP2430_LCD_PANEL_BACKLIGHT_GPIO, GPIOF_OUT_INIT_LOW,
159 "LCD Backlight" },
160 };
161
162 r = gpio_request_array(gpios, ARRAY_SIZE(gpios));
163 if (r) {
164 pr_err("Cannot request LCD GPIOs, error %d\n", r);
165 return;
166 }
167
168 omap_display_init(&sdp2430_dss_data);
169 }
170
171 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91x_MODULE)
172
173 static struct omap_smc91x_platform_data board_smc91x_data = {
174 .cs = 5,
175 .gpio_irq = 149,
176 .flags = GPMC_MUX_ADD_DATA | GPMC_TIMINGS_SMC91C96 |
177 IORESOURCE_IRQ_LOWLEVEL,
178
179 };
180
board_smc91x_init(void)181 static void __init board_smc91x_init(void)
182 {
183 omap_mux_init_gpio(149, OMAP_PIN_INPUT);
184 gpmc_smc91x_init(&board_smc91x_data);
185 }
186
187 #else
188
board_smc91x_init(void)189 static inline void board_smc91x_init(void)
190 {
191 }
192
193 #endif
194
195 static struct regulator_consumer_supply sdp2430_vmmc1_supplies[] = {
196 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
197 };
198
199 /* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
200 static struct regulator_init_data sdp2430_vmmc1 = {
201 .constraints = {
202 .min_uV = 1850000,
203 .max_uV = 3150000,
204 .valid_modes_mask = REGULATOR_MODE_NORMAL
205 | REGULATOR_MODE_STANDBY,
206 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
207 | REGULATOR_CHANGE_MODE
208 | REGULATOR_CHANGE_STATUS,
209 },
210 .num_consumer_supplies = ARRAY_SIZE(sdp2430_vmmc1_supplies),
211 .consumer_supplies = &sdp2430_vmmc1_supplies[0],
212 };
213
214 static struct twl4030_gpio_platform_data sdp2430_gpio_data = {
215 .gpio_base = OMAP_MAX_GPIO_LINES,
216 .irq_base = TWL4030_GPIO_IRQ_BASE,
217 .irq_end = TWL4030_GPIO_IRQ_END,
218 };
219
220 static struct twl4030_platform_data sdp2430_twldata = {
221 .irq_base = TWL4030_IRQ_BASE,
222 .irq_end = TWL4030_IRQ_END,
223
224 /* platform_data for children goes here */
225 .gpio = &sdp2430_gpio_data,
226 .vmmc1 = &sdp2430_vmmc1,
227 };
228
229 static struct i2c_board_info __initdata sdp2430_i2c1_boardinfo[] = {
230 {
231 I2C_BOARD_INFO("isp1301_omap", 0x2D),
232 .flags = I2C_CLIENT_WAKE,
233 },
234 };
235
omap2430_i2c_init(void)236 static int __init omap2430_i2c_init(void)
237 {
238 sdp2430_i2c1_boardinfo[0].irq = gpio_to_irq(78);
239 omap_register_i2c_bus(1, 100, sdp2430_i2c1_boardinfo,
240 ARRAY_SIZE(sdp2430_i2c1_boardinfo));
241 omap_pmic_init(2, 100, "twl4030", INT_24XX_SYS_NIRQ,
242 &sdp2430_twldata);
243 return 0;
244 }
245
246 static struct omap2_hsmmc_info mmc[] __initdata = {
247 {
248 .mmc = 1,
249 .caps = MMC_CAP_4_BIT_DATA,
250 .gpio_cd = -EINVAL,
251 .gpio_wp = -EINVAL,
252 .ext_clock = 1,
253 },
254 {} /* Terminator */
255 };
256
257 static struct omap_usb_config sdp2430_usb_config __initdata = {
258 .otg = 1,
259 #ifdef CONFIG_USB_GADGET_OMAP
260 .hmc_mode = 0x0,
261 #elif defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
262 .hmc_mode = 0x1,
263 #endif
264 .pins[0] = 3,
265 };
266
267 #ifdef CONFIG_OMAP_MUX
268 static struct omap_board_mux board_mux[] __initdata = {
269 { .reg_offset = OMAP_MUX_TERMINATOR },
270 };
271 #endif
272
omap_2430sdp_init(void)273 static void __init omap_2430sdp_init(void)
274 {
275 omap2430_mux_init(board_mux, OMAP_PACKAGE_ZAC);
276
277 omap2430_i2c_init();
278
279 platform_add_devices(sdp2430_devices, ARRAY_SIZE(sdp2430_devices));
280 omap_serial_init();
281 omap_sdrc_init(NULL, NULL);
282 omap_hsmmc_init(mmc);
283 omap2_usbfs_init(&sdp2430_usb_config);
284
285 omap_mux_init_signal("usb0hs_stp", OMAP_PULL_ENA | OMAP_PULL_UP);
286 usb_musb_init(NULL);
287
288 board_smc91x_init();
289
290 /* Turn off secondary LCD backlight */
291 gpio_request_one(SECONDARY_LCD_GPIO, GPIOF_OUT_INIT_LOW,
292 "Secondary LCD backlight");
293
294 sdp2430_display_init();
295 }
296
297 MACHINE_START(OMAP_2430SDP, "OMAP2430 sdp2430 board")
298 /* Maintainer: Syed Khasim - Texas Instruments Inc */
299 .atag_offset = 0x100,
300 .reserve = omap_reserve,
301 .map_io = omap243x_map_io,
302 .init_early = omap2430_init_early,
303 .init_irq = omap2_init_irq,
304 .handle_irq = omap2_intc_handle_irq,
305 .init_machine = omap_2430sdp_init,
306 .timer = &omap2_timer,
307 .restart = omap_prcm_restart,
308 MACHINE_END
309