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c625327e RL |
1 | /* |
2 | * linux/arch/arm/mach-omap2/board-am3517evm.c | |
3 | * | |
4 | * Copyright (C) 2009 Texas Instruments Incorporated | |
5 | * Author: Ranjith Lohithakshan <ranjithl@ti.com> | |
6 | * | |
7 | * Based on mach-omap2/board-omap3evm.c | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify it | |
10 | * under the terms of the GNU General Public License as published by the | |
11 | * Free Software Foundation version 2. | |
12 | * | |
13 | * This program is distributed "as is" WITHOUT ANY WARRANTY of any kind, | |
14 | * whether express or implied; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | * General Public License for more details. | |
17 | */ | |
18 | ||
19 | #include <linux/kernel.h> | |
20 | #include <linux/init.h> | |
433cdb0a | 21 | #include <linux/clk.h> |
c625327e RL |
22 | #include <linux/platform_device.h> |
23 | #include <linux/gpio.h> | |
5d4292a5 | 24 | #include <linux/i2c/pca953x.h> |
91733631 | 25 | #include <linux/can/platform/ti_hecc.h> |
56881d28 | 26 | #include <linux/davinci_emac.h> |
dd6facfc | 27 | #include <linux/mmc/host.h> |
c625327e RL |
28 | |
29 | #include <mach/hardware.h> | |
e3d4d0a2 | 30 | #include <mach/am35xx.h> |
c625327e RL |
31 | #include <asm/mach-types.h> |
32 | #include <asm/mach/arch.h> | |
33 | #include <asm/mach/map.h> | |
34 | ||
35 | #include <plat/board.h> | |
4e65331c | 36 | #include "common.h" |
c625327e | 37 | #include <plat/usb.h> |
a0b38cc4 | 38 | #include <video/omapdss.h> |
f8ae2f08 | 39 | #include <video/omap-panel-generic-dpi.h> |
1d7a8654 | 40 | #include <video/omap-panel-dvi.h> |
c625327e | 41 | |
a8195ba8 | 42 | #include "am35xx-emac.h" |
ca5742bd | 43 | #include "mux.h" |
4814ced5 | 44 | #include "control.h" |
dd6facfc | 45 | #include "hsmmc.h" |
ca5742bd | 46 | |
c3d33329 VH |
47 | #define LCD_PANEL_PWR 176 |
48 | #define LCD_PANEL_BKLIGHT_PWR 182 | |
49 | #define LCD_PANEL_PWM 181 | |
50 | ||
b91da669 | 51 | static struct i2c_board_info __initdata am3517evm_i2c1_boardinfo[] = { |
f2afbbb8 VH |
52 | { |
53 | I2C_BOARD_INFO("s35390a", 0x30), | |
f2afbbb8 VH |
54 | }, |
55 | }; | |
56 | ||
57 | /* | |
58 | * RTC - S35390A | |
59 | */ | |
60 | #define GPIO_RTCS35390A_IRQ 55 | |
61 | ||
62 | static void __init am3517_evm_rtc_init(void) | |
63 | { | |
64 | int r; | |
65 | ||
66 | omap_mux_init_gpio(GPIO_RTCS35390A_IRQ, OMAP_PIN_INPUT_PULLUP); | |
bc593f5d IG |
67 | |
68 | r = gpio_request_one(GPIO_RTCS35390A_IRQ, GPIOF_IN, "rtcs35390a-irq"); | |
f2afbbb8 VH |
69 | if (r < 0) { |
70 | printk(KERN_WARNING "failed to request GPIO#%d\n", | |
71 | GPIO_RTCS35390A_IRQ); | |
72 | return; | |
73 | } | |
bc593f5d | 74 | |
b91da669 | 75 | am3517evm_i2c1_boardinfo[0].irq = gpio_to_irq(GPIO_RTCS35390A_IRQ); |
f2afbbb8 VH |
76 | } |
77 | ||
5d4292a5 VH |
78 | /* |
79 | * I2C GPIO Expander - TCA6416 | |
80 | */ | |
81 | ||
82 | /* Mounted on Base-Board */ | |
83 | static struct pca953x_platform_data am3517evm_gpio_expander_info_0 = { | |
84 | .gpio_base = OMAP_MAX_GPIO_LINES, | |
85 | }; | |
b91da669 | 86 | static struct i2c_board_info __initdata am3517evm_i2c2_boardinfo[] = { |
0640b436 AVK |
87 | { |
88 | I2C_BOARD_INFO("tlv320aic23", 0x1A), | |
89 | }, | |
5d4292a5 VH |
90 | { |
91 | I2C_BOARD_INFO("tca6416", 0x21), | |
92 | .platform_data = &am3517evm_gpio_expander_info_0, | |
93 | }, | |
94 | }; | |
95 | ||
96 | /* Mounted on UI Card */ | |
97 | static struct pca953x_platform_data am3517evm_ui_gpio_expander_info_1 = { | |
98 | .gpio_base = OMAP_MAX_GPIO_LINES + 16, | |
99 | }; | |
100 | static struct pca953x_platform_data am3517evm_ui_gpio_expander_info_2 = { | |
101 | .gpio_base = OMAP_MAX_GPIO_LINES + 32, | |
102 | }; | |
b91da669 | 103 | static struct i2c_board_info __initdata am3517evm_i2c3_boardinfo[] = { |
5d4292a5 VH |
104 | { |
105 | I2C_BOARD_INFO("tca6416", 0x20), | |
106 | .platform_data = &am3517evm_ui_gpio_expander_info_1, | |
107 | }, | |
108 | { | |
109 | I2C_BOARD_INFO("tca6416", 0x21), | |
110 | .platform_data = &am3517evm_ui_gpio_expander_info_2, | |
111 | }, | |
112 | }; | |
113 | ||
1f738dc3 VH |
114 | static int __init am3517_evm_i2c_init(void) |
115 | { | |
116 | omap_register_i2c_bus(1, 400, NULL, 0); | |
b91da669 | 117 | omap_register_i2c_bus(2, 400, am3517evm_i2c2_boardinfo, |
118 | ARRAY_SIZE(am3517evm_i2c2_boardinfo)); | |
119 | omap_register_i2c_bus(3, 400, am3517evm_i2c3_boardinfo, | |
120 | ARRAY_SIZE(am3517evm_i2c3_boardinfo)); | |
1f738dc3 VH |
121 | |
122 | return 0; | |
123 | } | |
124 | ||
c3d33329 VH |
125 | static int lcd_enabled; |
126 | static int dvi_enabled; | |
127 | ||
de997718 AKG |
128 | #if defined(CONFIG_PANEL_SHARP_LQ043T1DG01) || \ |
129 | defined(CONFIG_PANEL_SHARP_LQ043T1DG01_MODULE) | |
bc593f5d IG |
130 | static struct gpio am3517_evm_dss_gpios[] __initdata = { |
131 | /* GPIO 182 = LCD Backlight Power */ | |
132 | { LCD_PANEL_BKLIGHT_PWR, GPIOF_OUT_INIT_HIGH, "lcd_backlight_pwr" }, | |
133 | /* GPIO 181 = LCD Panel PWM */ | |
134 | { LCD_PANEL_PWM, GPIOF_OUT_INIT_HIGH, "lcd bl enable" }, | |
135 | /* GPIO 176 = LCD Panel Power enable pin */ | |
136 | { LCD_PANEL_PWR, GPIOF_OUT_INIT_HIGH, "dvi enable" }, | |
137 | }; | |
138 | ||
c3d33329 VH |
139 | static void __init am3517_evm_display_init(void) |
140 | { | |
141 | int r; | |
142 | ||
143 | omap_mux_init_gpio(LCD_PANEL_PWR, OMAP_PIN_INPUT_PULLUP); | |
144 | omap_mux_init_gpio(LCD_PANEL_BKLIGHT_PWR, OMAP_PIN_INPUT_PULLDOWN); | |
145 | omap_mux_init_gpio(LCD_PANEL_PWM, OMAP_PIN_INPUT_PULLDOWN); | |
bc593f5d IG |
146 | |
147 | r = gpio_request_array(am3517_evm_dss_gpios, | |
148 | ARRAY_SIZE(am3517_evm_dss_gpios)); | |
c3d33329 | 149 | if (r) { |
bc593f5d | 150 | printk(KERN_ERR "failed to get DSS panel control GPIOs\n"); |
c3d33329 VH |
151 | return; |
152 | } | |
c3d33329 VH |
153 | |
154 | printk(KERN_INFO "Display initialized successfully\n"); | |
c3d33329 | 155 | } |
de997718 AKG |
156 | #else |
157 | static void __init am3517_evm_display_init(void) {} | |
158 | #endif | |
c3d33329 VH |
159 | |
160 | static int am3517_evm_panel_enable_lcd(struct omap_dss_device *dssdev) | |
161 | { | |
162 | if (dvi_enabled) { | |
163 | printk(KERN_ERR "cannot enable LCD, DVI is enabled\n"); | |
164 | return -EINVAL; | |
165 | } | |
166 | gpio_set_value(LCD_PANEL_PWR, 1); | |
167 | lcd_enabled = 1; | |
168 | ||
169 | return 0; | |
170 | } | |
171 | ||
172 | static void am3517_evm_panel_disable_lcd(struct omap_dss_device *dssdev) | |
173 | { | |
174 | gpio_set_value(LCD_PANEL_PWR, 0); | |
175 | lcd_enabled = 0; | |
176 | } | |
177 | ||
89747c91 BW |
178 | static struct panel_generic_dpi_data lcd_panel = { |
179 | .name = "sharp_lq", | |
180 | .platform_enable = am3517_evm_panel_enable_lcd, | |
181 | .platform_disable = am3517_evm_panel_disable_lcd, | |
182 | }; | |
183 | ||
c3d33329 VH |
184 | static struct omap_dss_device am3517_evm_lcd_device = { |
185 | .type = OMAP_DISPLAY_TYPE_DPI, | |
186 | .name = "lcd", | |
89747c91 BW |
187 | .driver_name = "generic_dpi_panel", |
188 | .data = &lcd_panel, | |
c3d33329 | 189 | .phy.dpi.data_lines = 16, |
c3d33329 VH |
190 | }; |
191 | ||
192 | static int am3517_evm_panel_enable_tv(struct omap_dss_device *dssdev) | |
193 | { | |
194 | return 0; | |
195 | } | |
196 | ||
197 | static void am3517_evm_panel_disable_tv(struct omap_dss_device *dssdev) | |
198 | { | |
199 | } | |
200 | ||
201 | static struct omap_dss_device am3517_evm_tv_device = { | |
202 | .type = OMAP_DISPLAY_TYPE_VENC, | |
203 | .name = "tv", | |
204 | .driver_name = "venc", | |
205 | .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO, | |
206 | .platform_enable = am3517_evm_panel_enable_tv, | |
207 | .platform_disable = am3517_evm_panel_disable_tv, | |
208 | }; | |
209 | ||
2e6f2ee7 | 210 | static struct tfp410_platform_data dvi_panel = { |
e813a55e | 211 | .power_down_gpio = -1, |
89747c91 BW |
212 | }; |
213 | ||
c3d33329 VH |
214 | static struct omap_dss_device am3517_evm_dvi_device = { |
215 | .type = OMAP_DISPLAY_TYPE_DPI, | |
216 | .name = "dvi", | |
2e6f2ee7 | 217 | .driver_name = "tfp410", |
89747c91 | 218 | .data = &dvi_panel, |
c3d33329 | 219 | .phy.dpi.data_lines = 24, |
c3d33329 VH |
220 | }; |
221 | ||
222 | static struct omap_dss_device *am3517_evm_dss_devices[] = { | |
223 | &am3517_evm_lcd_device, | |
224 | &am3517_evm_tv_device, | |
225 | &am3517_evm_dvi_device, | |
226 | }; | |
227 | ||
228 | static struct omap_dss_board_info am3517_evm_dss_data = { | |
229 | .num_devices = ARRAY_SIZE(am3517_evm_dss_devices), | |
230 | .devices = am3517_evm_dss_devices, | |
231 | .default_device = &am3517_evm_lcd_device, | |
232 | }; | |
233 | ||
c625327e RL |
234 | /* |
235 | * Board initialization | |
236 | */ | |
c625327e | 237 | |
3a0d30bc AKG |
238 | static struct omap_musb_board_data musb_board_data = { |
239 | .interface_type = MUSB_INTERFACE_ULPI, | |
240 | .mode = MUSB_OTG, | |
241 | .power = 500, | |
fe5a4901 HH |
242 | .set_phy_power = am35x_musb_phy_power, |
243 | .clear_irq = am35x_musb_clear_irq, | |
a6d28523 | 244 | .set_mode = am35x_set_mode, |
fe5a4901 | 245 | .reset = am35x_musb_reset, |
3a0d30bc AKG |
246 | }; |
247 | ||
248 | static __init void am3517_evm_musb_init(void) | |
249 | { | |
250 | u32 devconf2; | |
251 | ||
252 | /* | |
253 | * Set up USB clock/mode in the DEVCONF2 register. | |
254 | */ | |
255 | devconf2 = omap_ctrl_readl(AM35XX_CONTROL_DEVCONF2); | |
256 | ||
257 | /* USB2.0 PHY reference clock is 13 MHz */ | |
258 | devconf2 &= ~(CONF2_REFFREQ | CONF2_OTGMODE | CONF2_PHY_GPIOMODE); | |
259 | devconf2 |= CONF2_REFFREQ_13MHZ | CONF2_SESENDEN | CONF2_VBDTCTEN | |
260 | | CONF2_DATPOL; | |
261 | ||
262 | omap_ctrl_writel(devconf2, AM35XX_CONTROL_DEVCONF2); | |
263 | ||
264 | usb_musb_init(&musb_board_data); | |
265 | } | |
266 | ||
181b250c KM |
267 | static const struct usbhs_omap_board_data usbhs_bdata __initconst = { |
268 | .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY, | |
de997718 AKG |
269 | #if defined(CONFIG_PANEL_SHARP_LQ043T1DG01) || \ |
270 | defined(CONFIG_PANEL_SHARP_LQ043T1DG01_MODULE) | |
181b250c | 271 | .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED, |
de997718 | 272 | #else |
181b250c | 273 | .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY, |
de997718 | 274 | #endif |
181b250c | 275 | .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED, |
c625327e RL |
276 | |
277 | .phy_reset = true, | |
278 | .reset_gpio_port[0] = 57, | |
279 | .reset_gpio_port[1] = -EINVAL, | |
280 | .reset_gpio_port[2] = -EINVAL | |
281 | }; | |
282 | ||
ca5742bd TL |
283 | #ifdef CONFIG_OMAP_MUX |
284 | static struct omap_board_mux board_mux[] __initdata = { | |
3a0d30bc AKG |
285 | /* USB OTG DRVVBUS offset = 0x212 */ |
286 | OMAP3_MUX(SAD2D_MCAD23, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN), | |
ca5742bd TL |
287 | { .reg_offset = OMAP_MUX_TERMINATOR }, |
288 | }; | |
ca5742bd TL |
289 | #endif |
290 | ||
91733631 S |
291 | |
292 | static struct resource am3517_hecc_resources[] = { | |
293 | { | |
294 | .start = AM35XX_IPSS_HECC_BASE, | |
295 | .end = AM35XX_IPSS_HECC_BASE + 0x3FFF, | |
296 | .flags = IORESOURCE_MEM, | |
297 | }, | |
298 | { | |
299 | .start = INT_35XX_HECC0_IRQ, | |
300 | .end = INT_35XX_HECC0_IRQ, | |
301 | .flags = IORESOURCE_IRQ, | |
302 | }, | |
303 | }; | |
304 | ||
305 | static struct platform_device am3517_hecc_device = { | |
306 | .name = "ti_hecc", | |
307 | .id = -1, | |
308 | .num_resources = ARRAY_SIZE(am3517_hecc_resources), | |
309 | .resource = am3517_hecc_resources, | |
310 | }; | |
311 | ||
312 | static struct ti_hecc_platform_data am3517_evm_hecc_pdata = { | |
313 | .scc_hecc_offset = AM35XX_HECC_SCC_HECC_OFFSET, | |
314 | .scc_ram_offset = AM35XX_HECC_SCC_RAM_OFFSET, | |
315 | .hecc_ram_offset = AM35XX_HECC_RAM_OFFSET, | |
316 | .mbx_offset = AM35XX_HECC_MBOX_OFFSET, | |
317 | .int_line = AM35XX_HECC_INT_LINE, | |
318 | .version = AM35XX_HECC_VERSION, | |
319 | }; | |
320 | ||
321 | static void am3517_evm_hecc_init(struct ti_hecc_platform_data *pdata) | |
322 | { | |
323 | am3517_hecc_device.dev.platform_data = pdata; | |
324 | platform_device_register(&am3517_hecc_device); | |
325 | } | |
326 | ||
e41cccfe TL |
327 | static struct omap_board_config_kernel am3517_evm_config[] __initdata = { |
328 | }; | |
329 | ||
dd6facfc VH |
330 | static struct omap2_hsmmc_info mmc[] = { |
331 | { | |
332 | .mmc = 1, | |
333 | .caps = MMC_CAP_4_BIT_DATA, | |
334 | .gpio_cd = 127, | |
335 | .gpio_wp = 126, | |
336 | }, | |
337 | { | |
338 | .mmc = 2, | |
339 | .caps = MMC_CAP_4_BIT_DATA, | |
340 | .gpio_cd = 128, | |
341 | .gpio_wp = 129, | |
342 | }, | |
343 | {} /* Terminator */ | |
344 | }; | |
345 | ||
346 | ||
c625327e RL |
347 | static void __init am3517_evm_init(void) |
348 | { | |
e41cccfe TL |
349 | omap_board_config = am3517_evm_config; |
350 | omap_board_config_size = ARRAY_SIZE(am3517_evm_config); | |
ca5742bd | 351 | omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); |
5241b6b3 | 352 | |
353 | am3517_evm_i2c_init(); | |
d5e13227 | 354 | omap_display_init(&am3517_evm_dss_data); |
c625327e | 355 | omap_serial_init(); |
a4ca9dbe | 356 | omap_sdrc_init(NULL, NULL); |
fec3eebd AKG |
357 | |
358 | /* Configure GPIO for EHCI port */ | |
359 | omap_mux_init_gpio(57, OMAP_PIN_OUTPUT); | |
9e64bb1e | 360 | usbhs_init(&usbhs_bdata); |
91733631 | 361 | am3517_evm_hecc_init(&am3517_evm_hecc_pdata); |
c3d33329 VH |
362 | /* DSS */ |
363 | am3517_evm_display_init(); | |
f2afbbb8 VH |
364 | |
365 | /* RTC - S35390A */ | |
366 | am3517_evm_rtc_init(); | |
367 | ||
b91da669 | 368 | i2c_register_board_info(1, am3517evm_i2c1_boardinfo, |
369 | ARRAY_SIZE(am3517evm_i2c1_boardinfo)); | |
56881d28 | 370 | /*Ethernet*/ |
a8195ba8 | 371 | am35xx_emac_init(AM35XX_DEFAULT_MDIO_FREQUENCY, 1); |
3a0d30bc AKG |
372 | |
373 | /* MUSB */ | |
374 | am3517_evm_musb_init(); | |
dd6facfc VH |
375 | |
376 | /* MMC init function */ | |
3b972bf0 | 377 | omap_hsmmc_init(mmc); |
c625327e RL |
378 | } |
379 | ||
c625327e | 380 | MACHINE_START(OMAP3517EVM, "OMAP3517/AM3517 EVM") |
5e52b435 | 381 | .atag_offset = 0x100, |
71ee7dad | 382 | .reserve = omap_reserve, |
3dc3bad6 | 383 | .map_io = omap3_map_io, |
8f5b5a41 | 384 | .init_early = am35xx_init_early, |
741e3a89 | 385 | .init_irq = omap3_init_irq, |
6b2f55d7 | 386 | .handle_irq = omap3_intc_handle_irq, |
c625327e | 387 | .init_machine = am3517_evm_init, |
e74984e4 | 388 | .timer = &omap3_timer, |
baa95883 | 389 | .restart = omap_prcm_restart, |
c625327e | 390 | MACHINE_END |