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>
21 #include <linux/clk.h>
22 #include <linux/platform_device.h>
23 #include <linux/gpio.h>
24 #include <linux/platform_data/pca953x.h>
25 #include <linux/can/platform/ti_hecc.h>
26 #include <linux/davinci_emac.h>
27 #include <linux/mmc/host.h>
28 #include <linux/usb/musb.h>
29 #include <linux/platform_data/gpio-omap.h>
30
31 #include "am35xx.h"
32 #include <asm/mach-types.h>
33 #include <asm/mach/arch.h>
34 #include <asm/mach/map.h>
35
36 #include "common.h"
37 #include <video/omapdss.h>
38 #include <video/omap-panel-data.h>
39
40 #include "am35xx-emac.h"
41 #include "mux.h"
42 #include "control.h"
43 #include "hsmmc.h"
44
45 #define LCD_PANEL_PWR 176
46 #define LCD_PANEL_BKLIGHT_PWR 182
47 #define LCD_PANEL_PWM 181
48
49 static struct i2c_board_info __initdata am3517evm_i2c1_boardinfo[] = {
50 {
51 I2C_BOARD_INFO("s35390a", 0x30),
52 },
53 };
54
55 /*
56 * RTC - S35390A
57 */
58 #define GPIO_RTCS35390A_IRQ 55
59
am3517_evm_rtc_init(void)60 static void __init am3517_evm_rtc_init(void)
61 {
62 int r;
63
64 omap_mux_init_gpio(GPIO_RTCS35390A_IRQ, OMAP_PIN_INPUT_PULLUP);
65
66 r = gpio_request_one(GPIO_RTCS35390A_IRQ, GPIOF_IN, "rtcs35390a-irq");
67 if (r < 0) {
68 printk(KERN_WARNING "failed to request GPIO#%d\n",
69 GPIO_RTCS35390A_IRQ);
70 return;
71 }
72
73 am3517evm_i2c1_boardinfo[0].irq = gpio_to_irq(GPIO_RTCS35390A_IRQ);
74 }
75
76 /*
77 * I2C GPIO Expander - TCA6416
78 */
79
80 /* Mounted on Base-Board */
81 static struct pca953x_platform_data am3517evm_gpio_expander_info_0 = {
82 .gpio_base = OMAP_MAX_GPIO_LINES,
83 };
84 static struct i2c_board_info __initdata am3517evm_i2c2_boardinfo[] = {
85 {
86 I2C_BOARD_INFO("tlv320aic23", 0x1A),
87 },
88 {
89 I2C_BOARD_INFO("tca6416", 0x21),
90 .platform_data = &am3517evm_gpio_expander_info_0,
91 },
92 };
93
94 /* Mounted on UI Card */
95 static struct pca953x_platform_data am3517evm_ui_gpio_expander_info_1 = {
96 .gpio_base = OMAP_MAX_GPIO_LINES + 16,
97 };
98 static struct pca953x_platform_data am3517evm_ui_gpio_expander_info_2 = {
99 .gpio_base = OMAP_MAX_GPIO_LINES + 32,
100 };
101 static struct i2c_board_info __initdata am3517evm_i2c3_boardinfo[] = {
102 {
103 I2C_BOARD_INFO("tca6416", 0x20),
104 .platform_data = &am3517evm_ui_gpio_expander_info_1,
105 },
106 {
107 I2C_BOARD_INFO("tca6416", 0x21),
108 .platform_data = &am3517evm_ui_gpio_expander_info_2,
109 },
110 };
111
am3517_evm_i2c_init(void)112 static int __init am3517_evm_i2c_init(void)
113 {
114 omap_register_i2c_bus(1, 400, NULL, 0);
115 omap_register_i2c_bus(2, 400, am3517evm_i2c2_boardinfo,
116 ARRAY_SIZE(am3517evm_i2c2_boardinfo));
117 omap_register_i2c_bus(3, 400, am3517evm_i2c3_boardinfo,
118 ARRAY_SIZE(am3517evm_i2c3_boardinfo));
119
120 return 0;
121 }
122
123 static const struct display_timing am3517_evm_lcd_videomode = {
124 .pixelclock = { 0, 9000000, 0 },
125
126 .hactive = { 0, 480, 0 },
127 .hfront_porch = { 0, 3, 0 },
128 .hback_porch = { 0, 2, 0 },
129 .hsync_len = { 0, 42, 0 },
130
131 .vactive = { 0, 272, 0 },
132 .vfront_porch = { 0, 3, 0 },
133 .vback_porch = { 0, 2, 0 },
134 .vsync_len = { 0, 11, 0 },
135
136 .flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW |
137 DISPLAY_FLAGS_DE_LOW | DISPLAY_FLAGS_PIXDATA_POSEDGE,
138 };
139
140 static struct panel_dpi_platform_data am3517_evm_lcd_pdata = {
141 .name = "lcd",
142 .source = "dpi.0",
143
144 .data_lines = 16,
145
146 .display_timing = &am3517_evm_lcd_videomode,
147
148 .enable_gpio = LCD_PANEL_PWR,
149 .backlight_gpio = LCD_PANEL_BKLIGHT_PWR,
150 };
151
152 static struct platform_device am3517_evm_lcd_device = {
153 .name = "panel-dpi",
154 .id = 0,
155 .dev.platform_data = &am3517_evm_lcd_pdata,
156 };
157
158 static struct connector_dvi_platform_data am3517_evm_dvi_connector_pdata = {
159 .name = "dvi",
160 .source = "tfp410.0",
161 .i2c_bus_num = -1,
162 };
163
164 static struct platform_device am3517_evm_dvi_connector_device = {
165 .name = "connector-dvi",
166 .id = 0,
167 .dev.platform_data = &am3517_evm_dvi_connector_pdata,
168 };
169
170 static struct encoder_tfp410_platform_data am3517_evm_tfp410_pdata = {
171 .name = "tfp410.0",
172 .source = "dpi.0",
173 .data_lines = 24,
174 .power_down_gpio = -1,
175 };
176
177 static struct platform_device am3517_evm_tfp410_device = {
178 .name = "tfp410",
179 .id = 0,
180 .dev.platform_data = &am3517_evm_tfp410_pdata,
181 };
182
183 static struct connector_atv_platform_data am3517_evm_tv_pdata = {
184 .name = "tv",
185 .source = "venc.0",
186 .connector_type = OMAP_DSS_VENC_TYPE_SVIDEO,
187 .invert_polarity = false,
188 };
189
190 static struct platform_device am3517_evm_tv_connector_device = {
191 .name = "connector-analog-tv",
192 .id = 0,
193 .dev.platform_data = &am3517_evm_tv_pdata,
194 };
195
196 static struct omap_dss_board_info am3517_evm_dss_data = {
197 .default_display_name = "lcd",
198 };
199
am3517_evm_display_init(void)200 static void __init am3517_evm_display_init(void)
201 {
202 gpio_request_one(LCD_PANEL_PWM, GPIOF_OUT_INIT_HIGH, "lcd panel pwm");
203
204 omap_display_init(&am3517_evm_dss_data);
205
206 platform_device_register(&am3517_evm_tfp410_device);
207 platform_device_register(&am3517_evm_dvi_connector_device);
208 platform_device_register(&am3517_evm_lcd_device);
209 platform_device_register(&am3517_evm_tv_connector_device);
210 }
211
212 /*
213 * Board initialization
214 */
215
216 static struct omap_musb_board_data musb_board_data = {
217 .interface_type = MUSB_INTERFACE_ULPI,
218 .mode = MUSB_OTG,
219 .power = 500,
220 .set_phy_power = am35x_musb_phy_power,
221 .clear_irq = am35x_musb_clear_irq,
222 .set_mode = am35x_set_mode,
223 .reset = am35x_musb_reset,
224 };
225
am3517_evm_musb_init(void)226 static __init void am3517_evm_musb_init(void)
227 {
228 u32 devconf2;
229
230 /*
231 * Set up USB clock/mode in the DEVCONF2 register.
232 */
233 devconf2 = omap_ctrl_readl(AM35XX_CONTROL_DEVCONF2);
234
235 /* USB2.0 PHY reference clock is 13 MHz */
236 devconf2 &= ~(CONF2_REFFREQ | CONF2_OTGMODE | CONF2_PHY_GPIOMODE);
237 devconf2 |= CONF2_REFFREQ_13MHZ | CONF2_SESENDEN | CONF2_VBDTCTEN
238 | CONF2_DATPOL;
239
240 omap_ctrl_writel(devconf2, AM35XX_CONTROL_DEVCONF2);
241
242 usb_musb_init(&musb_board_data);
243 }
244
am3517_evm_mcbsp1_init(void)245 static __init void am3517_evm_mcbsp1_init(void)
246 {
247 u32 devconf0;
248
249 /* McBSP1 CLKR/FSR signal to be connected to CLKX/FSX pin */
250 devconf0 = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
251 devconf0 |= OMAP2_MCBSP1_CLKR_MASK | OMAP2_MCBSP1_FSR_MASK;
252 omap_ctrl_writel(devconf0, OMAP2_CONTROL_DEVCONF0);
253 }
254
255 static struct usbhs_phy_data phy_data[] __initdata = {
256 {
257 .port = 1,
258 .reset_gpio = 57,
259 .vcc_gpio = -EINVAL,
260 },
261 };
262
263 static struct usbhs_omap_platform_data usbhs_bdata __initdata = {
264 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
265 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
266 };
267
268 #ifdef CONFIG_OMAP_MUX
269 static struct omap_board_mux board_mux[] __initdata = {
270 /* USB OTG DRVVBUS offset = 0x212 */
271 OMAP3_MUX(SAD2D_MCAD23, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
272 { .reg_offset = OMAP_MUX_TERMINATOR },
273 };
274 #endif
275
276
277 static struct resource am3517_hecc_resources[] = {
278 {
279 .start = AM35XX_IPSS_HECC_BASE,
280 .end = AM35XX_IPSS_HECC_BASE + 0x3FFF,
281 .flags = IORESOURCE_MEM,
282 },
283 {
284 .start = 24 + OMAP_INTC_START,
285 .flags = IORESOURCE_IRQ,
286 },
287 };
288
289 static struct platform_device am3517_hecc_device = {
290 .name = "ti_hecc",
291 .id = -1,
292 .num_resources = ARRAY_SIZE(am3517_hecc_resources),
293 .resource = am3517_hecc_resources,
294 };
295
296 static struct ti_hecc_platform_data am3517_evm_hecc_pdata = {
297 .scc_hecc_offset = AM35XX_HECC_SCC_HECC_OFFSET,
298 .scc_ram_offset = AM35XX_HECC_SCC_RAM_OFFSET,
299 .hecc_ram_offset = AM35XX_HECC_RAM_OFFSET,
300 .mbx_offset = AM35XX_HECC_MBOX_OFFSET,
301 .int_line = AM35XX_HECC_INT_LINE,
302 .version = AM35XX_HECC_VERSION,
303 };
304
am3517_evm_hecc_init(struct ti_hecc_platform_data * pdata)305 static void am3517_evm_hecc_init(struct ti_hecc_platform_data *pdata)
306 {
307 am3517_hecc_device.dev.platform_data = pdata;
308 platform_device_register(&am3517_hecc_device);
309 }
310
311 static struct omap2_hsmmc_info mmc[] = {
312 {
313 .mmc = 1,
314 .caps = MMC_CAP_4_BIT_DATA,
315 .gpio_cd = 127,
316 .gpio_wp = 126,
317 },
318 {
319 .mmc = 2,
320 .caps = MMC_CAP_4_BIT_DATA,
321 .gpio_cd = 128,
322 .gpio_wp = 129,
323 },
324 {} /* Terminator */
325 };
326
am3517_evm_init(void)327 static void __init am3517_evm_init(void)
328 {
329 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
330
331 am3517_evm_i2c_init();
332
333 am3517_evm_display_init();
334
335 omap_serial_init();
336 omap_sdrc_init(NULL, NULL);
337
338 /* Configure GPIO for EHCI port */
339 omap_mux_init_gpio(57, OMAP_PIN_OUTPUT);
340
341 usbhs_init_phys(phy_data, ARRAY_SIZE(phy_data));
342 usbhs_init(&usbhs_bdata);
343 am3517_evm_hecc_init(&am3517_evm_hecc_pdata);
344
345 /* RTC - S35390A */
346 am3517_evm_rtc_init();
347
348 i2c_register_board_info(1, am3517evm_i2c1_boardinfo,
349 ARRAY_SIZE(am3517evm_i2c1_boardinfo));
350 /*Ethernet*/
351 am35xx_emac_init(AM35XX_DEFAULT_MDIO_FREQUENCY, 1);
352
353 /* MUSB */
354 am3517_evm_musb_init();
355
356 /* McBSP1 */
357 am3517_evm_mcbsp1_init();
358
359 /* MMC init function */
360 omap_hsmmc_init(mmc);
361 }
362
363 MACHINE_START(OMAP3517EVM, "OMAP3517/AM3517 EVM")
364 .atag_offset = 0x100,
365 .reserve = omap_reserve,
366 .map_io = omap3_map_io,
367 .init_early = am35xx_init_early,
368 .init_irq = omap3_init_irq,
369 .init_machine = am3517_evm_init,
370 .init_late = am35xx_init_late,
371 .init_time = omap3_sync32k_timer_init,
372 .restart = omap3xxx_restart,
373 MACHINE_END
374