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Ranjith Lohithakshanc6253272009-11-18 18:41:09 -08001/*
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>
Cyril Chemparathy433cdb02010-09-15 10:11:23 -040021#include <linux/clk.h>
Ranjith Lohithakshanc6253272009-11-18 18:41:09 -080022#include <linux/platform_device.h>
23#include <linux/gpio.h>
Vaibhav Hiremath5d4292a2010-02-13 11:47:57 +000024#include <linux/i2c/pca953x.h>
Sriram91733632010-05-10 14:29:16 -070025#include <linux/can/platform/ti_hecc.h>
Sriram56881d22010-05-10 14:29:17 -070026#include <linux/davinci_emac.h>
Vaibhav Hiremathdd6facf2011-12-09 12:27:55 -080027#include <linux/mmc/host.h>
Felipe Balbie8c4a7a2012-10-24 14:26:19 -070028#include <linux/usb/musb.h>
Tony Lindgren4b254082012-08-30 15:37:24 -070029#include <linux/platform_data/gpio-omap.h>
Ranjith Lohithakshanc6253272009-11-18 18:41:09 -080030
Tony Lindgren4f9ed542012-09-20 11:40:52 -070031#include "am35xx.h"
Ranjith Lohithakshanc6253272009-11-18 18:41:09 -080032#include <asm/mach-types.h>
33#include <asm/mach/arch.h>
34#include <asm/mach/map.h>
35
Tony Lindgren4e653312011-11-10 22:45:17 +010036#include "common.h"
Tomi Valkeinena0b38cc2011-05-11 14:05:07 +030037#include <video/omapdss.h>
Archit Tanejaa0d8dde2013-02-12 16:46:46 +053038#include <video/omap-panel-data.h>
Ranjith Lohithakshanc6253272009-11-18 18:41:09 -080039
Ilya Yanoka8195ba2012-03-05 11:08:36 -080040#include "am35xx-emac.h"
Tony Lindgrenca5742b2009-12-11 16:16:32 -080041#include "mux.h"
Paul Walmsley4814ced2010-10-08 11:40:20 -060042#include "control.h"
Vaibhav Hiremathdd6facf2011-12-09 12:27:55 -080043#include "hsmmc.h"
Tony Lindgrenca5742b2009-12-11 16:16:32 -080044
Vaibhav Hiremathc3d33322010-01-13 17:17:10 +053045#define LCD_PANEL_PWR 176
46#define LCD_PANEL_BKLIGHT_PWR 182
47#define LCD_PANEL_PWM 181
48
stanley.miaob91da662010-05-13 12:39:29 +000049static struct i2c_board_info __initdata am3517evm_i2c1_boardinfo[] = {
Vaibhav Hiremathf2afbbb2010-02-13 11:47:56 +000050 {
51 I2C_BOARD_INFO("s35390a", 0x30),
Vaibhav Hiremathf2afbbb2010-02-13 11:47:56 +000052 },
53};
54
55/*
56 * RTC - S35390A
57 */
58#define GPIO_RTCS35390A_IRQ 55
59
60static void __init am3517_evm_rtc_init(void)
61{
62 int r;
63
64 omap_mux_init_gpio(GPIO_RTCS35390A_IRQ, OMAP_PIN_INPUT_PULLUP);
Igor Grinbergbc593f52011-05-03 18:22:09 +030065
66 r = gpio_request_one(GPIO_RTCS35390A_IRQ, GPIOF_IN, "rtcs35390a-irq");
Vaibhav Hiremathf2afbbb2010-02-13 11:47:56 +000067 if (r < 0) {
68 printk(KERN_WARNING "failed to request GPIO#%d\n",
69 GPIO_RTCS35390A_IRQ);
70 return;
71 }
Igor Grinbergbc593f52011-05-03 18:22:09 +030072
stanley.miaob91da662010-05-13 12:39:29 +000073 am3517evm_i2c1_boardinfo[0].irq = gpio_to_irq(GPIO_RTCS35390A_IRQ);
Vaibhav Hiremathf2afbbb2010-02-13 11:47:56 +000074}
75
Vaibhav Hiremath5d4292a2010-02-13 11:47:57 +000076/*
77 * I2C GPIO Expander - TCA6416
78 */
79
80/* Mounted on Base-Board */
81static struct pca953x_platform_data am3517evm_gpio_expander_info_0 = {
82 .gpio_base = OMAP_MAX_GPIO_LINES,
83};
stanley.miaob91da662010-05-13 12:39:29 +000084static struct i2c_board_info __initdata am3517evm_i2c2_boardinfo[] = {
Vaibhav Hiremath5d4292a2010-02-13 11:47:57 +000085 {
Abhilash Vadakkepat Koyamangalath0640b432011-03-08 15:13:24 +000086 I2C_BOARD_INFO("tlv320aic23", 0x1A),
87 },
88 {
Vaibhav Hiremath5d4292a2010-02-13 11:47:57 +000089 I2C_BOARD_INFO("tca6416", 0x21),
90 .platform_data = &am3517evm_gpio_expander_info_0,
91 },
92};
93
94/* Mounted on UI Card */
95static struct pca953x_platform_data am3517evm_ui_gpio_expander_info_1 = {
96 .gpio_base = OMAP_MAX_GPIO_LINES + 16,
97};
98static struct pca953x_platform_data am3517evm_ui_gpio_expander_info_2 = {
99 .gpio_base = OMAP_MAX_GPIO_LINES + 32,
100};
stanley.miaob91da662010-05-13 12:39:29 +0000101static struct i2c_board_info __initdata am3517evm_i2c3_boardinfo[] = {
Vaibhav Hiremath5d4292a2010-02-13 11:47:57 +0000102 {
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
Vaibhav Hiremath1f738dc2010-02-17 14:09:28 -0800112static int __init am3517_evm_i2c_init(void)
113{
114 omap_register_i2c_bus(1, 400, NULL, 0);
stanley.miaob91da662010-05-13 12:39:29 +0000115 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));
Vaibhav Hiremath1f738dc2010-02-17 14:09:28 -0800119
120 return 0;
121}
122
Vaibhav Hiremathc3d33322010-01-13 17:17:10 +0530123static int lcd_enabled;
124static int dvi_enabled;
125
Ajay Kumar Guptade997712010-05-10 14:29:19 -0700126#if defined(CONFIG_PANEL_SHARP_LQ043T1DG01) || \
127 defined(CONFIG_PANEL_SHARP_LQ043T1DG01_MODULE)
Igor Grinbergbc593f52011-05-03 18:22:09 +0300128static struct gpio am3517_evm_dss_gpios[] __initdata = {
129 /* GPIO 182 = LCD Backlight Power */
130 { LCD_PANEL_BKLIGHT_PWR, GPIOF_OUT_INIT_HIGH, "lcd_backlight_pwr" },
131 /* GPIO 181 = LCD Panel PWM */
132 { LCD_PANEL_PWM, GPIOF_OUT_INIT_HIGH, "lcd bl enable" },
133 /* GPIO 176 = LCD Panel Power enable pin */
134 { LCD_PANEL_PWR, GPIOF_OUT_INIT_HIGH, "dvi enable" },
135};
136
Vaibhav Hiremathc3d33322010-01-13 17:17:10 +0530137static void __init am3517_evm_display_init(void)
138{
139 int r;
140
141 omap_mux_init_gpio(LCD_PANEL_PWR, OMAP_PIN_INPUT_PULLUP);
142 omap_mux_init_gpio(LCD_PANEL_BKLIGHT_PWR, OMAP_PIN_INPUT_PULLDOWN);
143 omap_mux_init_gpio(LCD_PANEL_PWM, OMAP_PIN_INPUT_PULLDOWN);
Igor Grinbergbc593f52011-05-03 18:22:09 +0300144
145 r = gpio_request_array(am3517_evm_dss_gpios,
146 ARRAY_SIZE(am3517_evm_dss_gpios));
Vaibhav Hiremathc3d33322010-01-13 17:17:10 +0530147 if (r) {
Igor Grinbergbc593f52011-05-03 18:22:09 +0300148 printk(KERN_ERR "failed to get DSS panel control GPIOs\n");
Vaibhav Hiremathc3d33322010-01-13 17:17:10 +0530149 return;
150 }
Vaibhav Hiremathc3d33322010-01-13 17:17:10 +0530151
152 printk(KERN_INFO "Display initialized successfully\n");
Vaibhav Hiremathc3d33322010-01-13 17:17:10 +0530153}
Ajay Kumar Guptade997712010-05-10 14:29:19 -0700154#else
155static void __init am3517_evm_display_init(void) {}
156#endif
Vaibhav Hiremathc3d33322010-01-13 17:17:10 +0530157
158static int am3517_evm_panel_enable_lcd(struct omap_dss_device *dssdev)
159{
160 if (dvi_enabled) {
161 printk(KERN_ERR "cannot enable LCD, DVI is enabled\n");
162 return -EINVAL;
163 }
164 gpio_set_value(LCD_PANEL_PWR, 1);
165 lcd_enabled = 1;
166
167 return 0;
168}
169
170static void am3517_evm_panel_disable_lcd(struct omap_dss_device *dssdev)
171{
172 gpio_set_value(LCD_PANEL_PWR, 0);
173 lcd_enabled = 0;
174}
175
Bryan Wu89747c92010-11-17 13:34:34 +0000176static struct panel_generic_dpi_data lcd_panel = {
177 .name = "sharp_lq",
178 .platform_enable = am3517_evm_panel_enable_lcd,
179 .platform_disable = am3517_evm_panel_disable_lcd,
180};
181
Vaibhav Hiremathc3d33322010-01-13 17:17:10 +0530182static struct omap_dss_device am3517_evm_lcd_device = {
183 .type = OMAP_DISPLAY_TYPE_DPI,
184 .name = "lcd",
Bryan Wu89747c92010-11-17 13:34:34 +0000185 .driver_name = "generic_dpi_panel",
186 .data = &lcd_panel,
Vaibhav Hiremathc3d33322010-01-13 17:17:10 +0530187 .phy.dpi.data_lines = 16,
Vaibhav Hiremathc3d33322010-01-13 17:17:10 +0530188};
189
190static int am3517_evm_panel_enable_tv(struct omap_dss_device *dssdev)
191{
192 return 0;
193}
194
195static void am3517_evm_panel_disable_tv(struct omap_dss_device *dssdev)
196{
197}
198
199static struct omap_dss_device am3517_evm_tv_device = {
200 .type = OMAP_DISPLAY_TYPE_VENC,
201 .name = "tv",
202 .driver_name = "venc",
203 .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
204 .platform_enable = am3517_evm_panel_enable_tv,
205 .platform_disable = am3517_evm_panel_disable_tv,
206};
207
Tomi Valkeinen2e6f2ee2012-03-05 14:29:28 +0200208static struct tfp410_platform_data dvi_panel = {
Tomi Valkeinene813a552012-02-17 13:30:27 +0200209 .power_down_gpio = -1,
Tomi Valkeinenca2e16f2012-11-22 10:39:56 +0200210 .i2c_bus_num = -1,
Bryan Wu89747c92010-11-17 13:34:34 +0000211};
212
Vaibhav Hiremathc3d33322010-01-13 17:17:10 +0530213static struct omap_dss_device am3517_evm_dvi_device = {
214 .type = OMAP_DISPLAY_TYPE_DPI,
215 .name = "dvi",
Tomi Valkeinen2e6f2ee2012-03-05 14:29:28 +0200216 .driver_name = "tfp410",
Bryan Wu89747c92010-11-17 13:34:34 +0000217 .data = &dvi_panel,
Vaibhav Hiremathc3d33322010-01-13 17:17:10 +0530218 .phy.dpi.data_lines = 24,
Vaibhav Hiremathc3d33322010-01-13 17:17:10 +0530219};
220
221static struct omap_dss_device *am3517_evm_dss_devices[] = {
222 &am3517_evm_lcd_device,
223 &am3517_evm_tv_device,
224 &am3517_evm_dvi_device,
225};
226
227static struct omap_dss_board_info am3517_evm_dss_data = {
228 .num_devices = ARRAY_SIZE(am3517_evm_dss_devices),
229 .devices = am3517_evm_dss_devices,
230 .default_device = &am3517_evm_lcd_device,
231};
232
Ranjith Lohithakshanc6253272009-11-18 18:41:09 -0800233/*
234 * Board initialization
235 */
Ranjith Lohithakshanc6253272009-11-18 18:41:09 -0800236
Ajay Kumar Gupta3a0d30b2010-10-19 10:08:11 +0300237static struct omap_musb_board_data musb_board_data = {
238 .interface_type = MUSB_INTERFACE_ULPI,
239 .mode = MUSB_OTG,
240 .power = 500,
Hema HKfe5a4902011-02-16 17:34:40 +0530241 .set_phy_power = am35x_musb_phy_power,
242 .clear_irq = am35x_musb_clear_irq,
Felipe Balbia6d28522011-05-02 12:45:05 +0300243 .set_mode = am35x_set_mode,
Hema HKfe5a4902011-02-16 17:34:40 +0530244 .reset = am35x_musb_reset,
Ajay Kumar Gupta3a0d30b2010-10-19 10:08:11 +0300245};
246
247static __init void am3517_evm_musb_init(void)
248{
249 u32 devconf2;
250
251 /*
252 * Set up USB clock/mode in the DEVCONF2 register.
253 */
254 devconf2 = omap_ctrl_readl(AM35XX_CONTROL_DEVCONF2);
255
256 /* USB2.0 PHY reference clock is 13 MHz */
257 devconf2 &= ~(CONF2_REFFREQ | CONF2_OTGMODE | CONF2_PHY_GPIOMODE);
258 devconf2 |= CONF2_REFFREQ_13MHZ | CONF2_SESENDEN | CONF2_VBDTCTEN
259 | CONF2_DATPOL;
260
261 omap_ctrl_writel(devconf2, AM35XX_CONTROL_DEVCONF2);
262
263 usb_musb_init(&musb_board_data);
264}
265
Peter Ujfalusi6253bac2012-08-16 16:41:02 +0300266static __init void am3517_evm_mcbsp1_init(void)
267{
268 u32 devconf0;
269
270 /* McBSP1 CLKR/FSR signal to be connected to CLKX/FSX pin */
271 devconf0 = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
272 devconf0 |= OMAP2_MCBSP1_CLKR_MASK | OMAP2_MCBSP1_FSR_MASK;
273 omap_ctrl_writel(devconf0, OMAP2_CONTROL_DEVCONF0);
274}
275
Roger Quadros94136242013-03-20 17:44:47 +0200276static struct usbhs_phy_data phy_data[] __initdata = {
277 {
278 .port = 1,
279 .reset_gpio = 57,
280 .vcc_gpio = -EINVAL,
281 },
282};
283
Roger Quadros42973152013-02-14 10:13:48 +0200284static struct usbhs_omap_platform_data usbhs_bdata __initdata = {
Keshava Munegowda181b2502011-03-01 20:08:16 +0530285 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
Ajay Kumar Guptade997712010-05-10 14:29:19 -0700286#if defined(CONFIG_PANEL_SHARP_LQ043T1DG01) || \
287 defined(CONFIG_PANEL_SHARP_LQ043T1DG01_MODULE)
Keshava Munegowda181b2502011-03-01 20:08:16 +0530288 .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
Ajay Kumar Guptade997712010-05-10 14:29:19 -0700289#else
Keshava Munegowda181b2502011-03-01 20:08:16 +0530290 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
Ajay Kumar Guptade997712010-05-10 14:29:19 -0700291#endif
Ranjith Lohithakshanc6253272009-11-18 18:41:09 -0800292};
293
Tony Lindgrenca5742b2009-12-11 16:16:32 -0800294#ifdef CONFIG_OMAP_MUX
295static struct omap_board_mux board_mux[] __initdata = {
Ajay Kumar Gupta3a0d30b2010-10-19 10:08:11 +0300296 /* USB OTG DRVVBUS offset = 0x212 */
297 OMAP3_MUX(SAD2D_MCAD23, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
Tony Lindgrenca5742b2009-12-11 16:16:32 -0800298 { .reg_offset = OMAP_MUX_TERMINATOR },
299};
Tony Lindgrenca5742b2009-12-11 16:16:32 -0800300#endif
301
Sriram91733632010-05-10 14:29:16 -0700302
303static struct resource am3517_hecc_resources[] = {
304 {
305 .start = AM35XX_IPSS_HECC_BASE,
306 .end = AM35XX_IPSS_HECC_BASE + 0x3FFF,
307 .flags = IORESOURCE_MEM,
308 },
309 {
Tony Lindgren7d7e1eb2012-08-27 17:43:01 -0700310 .start = 24 + OMAP_INTC_START,
Sriram91733632010-05-10 14:29:16 -0700311 .flags = IORESOURCE_IRQ,
312 },
313};
314
315static struct platform_device am3517_hecc_device = {
316 .name = "ti_hecc",
317 .id = -1,
318 .num_resources = ARRAY_SIZE(am3517_hecc_resources),
319 .resource = am3517_hecc_resources,
320};
321
322static struct ti_hecc_platform_data am3517_evm_hecc_pdata = {
323 .scc_hecc_offset = AM35XX_HECC_SCC_HECC_OFFSET,
324 .scc_ram_offset = AM35XX_HECC_SCC_RAM_OFFSET,
325 .hecc_ram_offset = AM35XX_HECC_RAM_OFFSET,
326 .mbx_offset = AM35XX_HECC_MBOX_OFFSET,
327 .int_line = AM35XX_HECC_INT_LINE,
328 .version = AM35XX_HECC_VERSION,
329};
330
331static void am3517_evm_hecc_init(struct ti_hecc_platform_data *pdata)
332{
333 am3517_hecc_device.dev.platform_data = pdata;
334 platform_device_register(&am3517_hecc_device);
335}
336
Vaibhav Hiremathdd6facf2011-12-09 12:27:55 -0800337static struct omap2_hsmmc_info mmc[] = {
338 {
339 .mmc = 1,
340 .caps = MMC_CAP_4_BIT_DATA,
341 .gpio_cd = 127,
342 .gpio_wp = 126,
343 },
344 {
345 .mmc = 2,
346 .caps = MMC_CAP_4_BIT_DATA,
347 .gpio_cd = 128,
348 .gpio_wp = 129,
349 },
350 {} /* Terminator */
351};
352
Ranjith Lohithakshanc6253272009-11-18 18:41:09 -0800353static void __init am3517_evm_init(void)
354{
Tony Lindgrenca5742b2009-12-11 16:16:32 -0800355 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
stanley.miao5241b6b2010-04-20 06:33:29 +0000356
357 am3517_evm_i2c_init();
Senthilvadivu Guruswamyd5e13222011-02-22 11:24:50 +0200358 omap_display_init(&am3517_evm_dss_data);
Ranjith Lohithakshanc6253272009-11-18 18:41:09 -0800359 omap_serial_init();
Tony Lindgrena4ca9db2011-08-22 23:57:23 -0700360 omap_sdrc_init(NULL, NULL);
Ajay Kumar Guptafec3eeb2010-02-22 10:21:12 +0000361
362 /* Configure GPIO for EHCI port */
363 omap_mux_init_gpio(57, OMAP_PIN_OUTPUT);
Roger Quadros94136242013-03-20 17:44:47 +0200364
365 usbhs_init_phys(phy_data, ARRAY_SIZE(phy_data));
Keshava Munegowda9e64bb12011-03-01 20:08:19 +0530366 usbhs_init(&usbhs_bdata);
Sriram91733632010-05-10 14:29:16 -0700367 am3517_evm_hecc_init(&am3517_evm_hecc_pdata);
Vaibhav Hiremathc3d33322010-01-13 17:17:10 +0530368 /* DSS */
369 am3517_evm_display_init();
Vaibhav Hiremathf2afbbb2010-02-13 11:47:56 +0000370
371 /* RTC - S35390A */
372 am3517_evm_rtc_init();
373
stanley.miaob91da662010-05-13 12:39:29 +0000374 i2c_register_board_info(1, am3517evm_i2c1_boardinfo,
375 ARRAY_SIZE(am3517evm_i2c1_boardinfo));
Sriram56881d22010-05-10 14:29:17 -0700376 /*Ethernet*/
Ilya Yanoka8195ba2012-03-05 11:08:36 -0800377 am35xx_emac_init(AM35XX_DEFAULT_MDIO_FREQUENCY, 1);
Ajay Kumar Gupta3a0d30b2010-10-19 10:08:11 +0300378
379 /* MUSB */
380 am3517_evm_musb_init();
Vaibhav Hiremathdd6facf2011-12-09 12:27:55 -0800381
Peter Ujfalusi6253bac2012-08-16 16:41:02 +0300382 /* McBSP1 */
383 am3517_evm_mcbsp1_init();
384
Vaibhav Hiremathdd6facf2011-12-09 12:27:55 -0800385 /* MMC init function */
Tony Lindgren3b972bf2012-02-20 09:43:29 -0800386 omap_hsmmc_init(mmc);
Ranjith Lohithakshanc6253272009-11-18 18:41:09 -0800387}
388
Ranjith Lohithakshanc6253272009-11-18 18:41:09 -0800389MACHINE_START(OMAP3517EVM, "OMAP3517/AM3517 EVM")
Nicolas Pitre5e52b432011-07-05 22:38:15 -0400390 .atag_offset = 0x100,
Russell King71ee7da2010-05-23 10:18:16 +0100391 .reserve = omap_reserve,
Russell King - ARM Linux3dc3bad2011-02-14 15:40:20 -0800392 .map_io = omap3_map_io,
Tony Lindgren8f5b5a42011-08-22 23:57:24 -0700393 .init_early = am35xx_init_early,
Tony Lindgren741e3a82011-05-17 03:51:26 -0700394 .init_irq = omap3_init_irq,
Marc Zyngier6b2f55d2011-09-06 10:23:45 +0100395 .handle_irq = omap3_intc_handle_irq,
Ranjith Lohithakshanc6253272009-11-18 18:41:09 -0800396 .init_machine = am3517_evm_init,
Shawn Guobbd707a2012-04-26 16:06:50 +0800397 .init_late = am35xx_init_late,
Stephen Warren6bb27d72012-11-08 12:40:59 -0700398 .init_time = omap3_sync32k_timer_init,
Paul Walmsley187e3e02012-10-29 20:56:12 -0600399 .restart = omap3xxx_restart,
Ranjith Lohithakshanc6253272009-11-18 18:41:09 -0800400MACHINE_END