2 * linux/arch/arm/mach-omap2/board-am3517evm.c
4 * Copyright (C) 2009 Texas Instruments Incorporated
5 * Author: Ranjith Lohithakshan <ranjithl@ti.com>
7 * Based on mach-omap2/board-omap3evm.c
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.
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.
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/i2c/pca953x.h>
25 #include <linux/can/platform/ti_hecc.h>
26 #include <linux/davinci_emac.h>
28 #include <mach/hardware.h>
29 #include <mach/am35xx.h>
30 #include <asm/mach-types.h>
31 #include <asm/mach/arch.h>
32 #include <asm/mach/map.h>
34 #include <plat/board.h>
35 #include <plat/common.h>
37 #include <video/omapdss.h>
38 #include <video/omap-panel-generic-dpi.h>
39 #include <video/omap-panel-dvi.h>
44 #define AM35XX_EVM_MDIO_FREQUENCY (1000000)
46 static struct mdio_platform_data am3517_evm_mdio_pdata = {
47 .bus_freq = AM35XX_EVM_MDIO_FREQUENCY,
50 static struct resource am3517_mdio_resources[] = {
52 .start = AM35XX_IPSS_EMAC_BASE + AM35XX_EMAC_MDIO_OFFSET,
53 .end = AM35XX_IPSS_EMAC_BASE + AM35XX_EMAC_MDIO_OFFSET +
55 .flags = IORESOURCE_MEM,
59 static struct platform_device am3517_mdio_device = {
60 .name = "davinci_mdio",
62 .num_resources = ARRAY_SIZE(am3517_mdio_resources),
63 .resource = am3517_mdio_resources,
64 .dev.platform_data = &am3517_evm_mdio_pdata,
67 static struct emac_platform_data am3517_evm_emac_pdata = {
71 static struct resource am3517_emac_resources[] = {
73 .start = AM35XX_IPSS_EMAC_BASE,
74 .end = AM35XX_IPSS_EMAC_BASE + 0x2FFFF,
75 .flags = IORESOURCE_MEM,
78 .start = INT_35XX_EMAC_C0_RXTHRESH_IRQ,
79 .end = INT_35XX_EMAC_C0_RXTHRESH_IRQ,
80 .flags = IORESOURCE_IRQ,
83 .start = INT_35XX_EMAC_C0_RX_PULSE_IRQ,
84 .end = INT_35XX_EMAC_C0_RX_PULSE_IRQ,
85 .flags = IORESOURCE_IRQ,
88 .start = INT_35XX_EMAC_C0_TX_PULSE_IRQ,
89 .end = INT_35XX_EMAC_C0_TX_PULSE_IRQ,
90 .flags = IORESOURCE_IRQ,
93 .start = INT_35XX_EMAC_C0_MISC_PULSE_IRQ,
94 .end = INT_35XX_EMAC_C0_MISC_PULSE_IRQ,
95 .flags = IORESOURCE_IRQ,
99 static struct platform_device am3517_emac_device = {
100 .name = "davinci_emac",
102 .num_resources = ARRAY_SIZE(am3517_emac_resources),
103 .resource = am3517_emac_resources,
106 static void am3517_enable_ethernet_int(void)
110 regval = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
111 regval = (regval | AM35XX_CPGMAC_C0_RX_PULSE_CLR |
112 AM35XX_CPGMAC_C0_TX_PULSE_CLR |
113 AM35XX_CPGMAC_C0_MISC_PULSE_CLR |
114 AM35XX_CPGMAC_C0_RX_THRESH_CLR);
115 omap_ctrl_writel(regval, AM35XX_CONTROL_LVL_INTR_CLEAR);
116 regval = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
119 static void am3517_disable_ethernet_int(void)
123 regval = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
124 regval = (regval | AM35XX_CPGMAC_C0_RX_PULSE_CLR |
125 AM35XX_CPGMAC_C0_TX_PULSE_CLR);
126 omap_ctrl_writel(regval, AM35XX_CONTROL_LVL_INTR_CLEAR);
127 regval = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
130 static void am3517_evm_ethernet_init(struct emac_platform_data *pdata)
134 pdata->ctrl_reg_offset = AM35XX_EMAC_CNTRL_OFFSET;
135 pdata->ctrl_mod_reg_offset = AM35XX_EMAC_CNTRL_MOD_OFFSET;
136 pdata->ctrl_ram_offset = AM35XX_EMAC_CNTRL_RAM_OFFSET;
137 pdata->ctrl_ram_size = AM35XX_EMAC_CNTRL_RAM_SIZE;
138 pdata->version = EMAC_VERSION_2;
139 pdata->hw_ram_addr = AM35XX_EMAC_HW_RAM_ADDR;
140 pdata->interrupt_enable = am3517_enable_ethernet_int;
141 pdata->interrupt_disable = am3517_disable_ethernet_int;
142 am3517_emac_device.dev.platform_data = pdata;
143 platform_device_register(&am3517_emac_device);
144 platform_device_register(&am3517_mdio_device);
145 clk_add_alias(NULL, dev_name(&am3517_mdio_device.dev),
146 NULL, &am3517_emac_device.dev);
148 regval = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
149 regval = regval & (~(AM35XX_CPGMACSS_SW_RST));
150 omap_ctrl_writel(regval, AM35XX_CONTROL_IP_SW_RESET);
151 regval = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
158 #define LCD_PANEL_PWR 176
159 #define LCD_PANEL_BKLIGHT_PWR 182
160 #define LCD_PANEL_PWM 181
162 static struct i2c_board_info __initdata am3517evm_i2c1_boardinfo[] = {
164 I2C_BOARD_INFO("s35390a", 0x30),
171 #define GPIO_RTCS35390A_IRQ 55
173 static void __init am3517_evm_rtc_init(void)
177 omap_mux_init_gpio(GPIO_RTCS35390A_IRQ, OMAP_PIN_INPUT_PULLUP);
179 r = gpio_request_one(GPIO_RTCS35390A_IRQ, GPIOF_IN, "rtcs35390a-irq");
181 printk(KERN_WARNING "failed to request GPIO#%d\n",
182 GPIO_RTCS35390A_IRQ);
186 am3517evm_i2c1_boardinfo[0].irq = gpio_to_irq(GPIO_RTCS35390A_IRQ);
190 * I2C GPIO Expander - TCA6416
193 /* Mounted on Base-Board */
194 static struct pca953x_platform_data am3517evm_gpio_expander_info_0 = {
195 .gpio_base = OMAP_MAX_GPIO_LINES,
197 static struct i2c_board_info __initdata am3517evm_i2c2_boardinfo[] = {
199 I2C_BOARD_INFO("tlv320aic23", 0x1A),
202 I2C_BOARD_INFO("tca6416", 0x21),
203 .platform_data = &am3517evm_gpio_expander_info_0,
207 /* Mounted on UI Card */
208 static struct pca953x_platform_data am3517evm_ui_gpio_expander_info_1 = {
209 .gpio_base = OMAP_MAX_GPIO_LINES + 16,
211 static struct pca953x_platform_data am3517evm_ui_gpio_expander_info_2 = {
212 .gpio_base = OMAP_MAX_GPIO_LINES + 32,
214 static struct i2c_board_info __initdata am3517evm_i2c3_boardinfo[] = {
216 I2C_BOARD_INFO("tca6416", 0x20),
217 .platform_data = &am3517evm_ui_gpio_expander_info_1,
220 I2C_BOARD_INFO("tca6416", 0x21),
221 .platform_data = &am3517evm_ui_gpio_expander_info_2,
225 static int __init am3517_evm_i2c_init(void)
227 omap_register_i2c_bus(1, 400, NULL, 0);
228 omap_register_i2c_bus(2, 400, am3517evm_i2c2_boardinfo,
229 ARRAY_SIZE(am3517evm_i2c2_boardinfo));
230 omap_register_i2c_bus(3, 400, am3517evm_i2c3_boardinfo,
231 ARRAY_SIZE(am3517evm_i2c3_boardinfo));
236 static int lcd_enabled;
237 static int dvi_enabled;
239 #if defined(CONFIG_PANEL_SHARP_LQ043T1DG01) || \
240 defined(CONFIG_PANEL_SHARP_LQ043T1DG01_MODULE)
241 static struct gpio am3517_evm_dss_gpios[] __initdata = {
242 /* GPIO 182 = LCD Backlight Power */
243 { LCD_PANEL_BKLIGHT_PWR, GPIOF_OUT_INIT_HIGH, "lcd_backlight_pwr" },
244 /* GPIO 181 = LCD Panel PWM */
245 { LCD_PANEL_PWM, GPIOF_OUT_INIT_HIGH, "lcd bl enable" },
246 /* GPIO 176 = LCD Panel Power enable pin */
247 { LCD_PANEL_PWR, GPIOF_OUT_INIT_HIGH, "dvi enable" },
250 static void __init am3517_evm_display_init(void)
254 omap_mux_init_gpio(LCD_PANEL_PWR, OMAP_PIN_INPUT_PULLUP);
255 omap_mux_init_gpio(LCD_PANEL_BKLIGHT_PWR, OMAP_PIN_INPUT_PULLDOWN);
256 omap_mux_init_gpio(LCD_PANEL_PWM, OMAP_PIN_INPUT_PULLDOWN);
258 r = gpio_request_array(am3517_evm_dss_gpios,
259 ARRAY_SIZE(am3517_evm_dss_gpios));
261 printk(KERN_ERR "failed to get DSS panel control GPIOs\n");
265 printk(KERN_INFO "Display initialized successfully\n");
268 static void __init am3517_evm_display_init(void) {}
271 static int am3517_evm_panel_enable_lcd(struct omap_dss_device *dssdev)
274 printk(KERN_ERR "cannot enable LCD, DVI is enabled\n");
277 gpio_set_value(LCD_PANEL_PWR, 1);
283 static void am3517_evm_panel_disable_lcd(struct omap_dss_device *dssdev)
285 gpio_set_value(LCD_PANEL_PWR, 0);
289 static struct panel_generic_dpi_data lcd_panel = {
291 .platform_enable = am3517_evm_panel_enable_lcd,
292 .platform_disable = am3517_evm_panel_disable_lcd,
295 static struct omap_dss_device am3517_evm_lcd_device = {
296 .type = OMAP_DISPLAY_TYPE_DPI,
298 .driver_name = "generic_dpi_panel",
300 .phy.dpi.data_lines = 16,
303 static int am3517_evm_panel_enable_tv(struct omap_dss_device *dssdev)
308 static void am3517_evm_panel_disable_tv(struct omap_dss_device *dssdev)
312 static struct omap_dss_device am3517_evm_tv_device = {
313 .type = OMAP_DISPLAY_TYPE_VENC,
315 .driver_name = "venc",
316 .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
317 .platform_enable = am3517_evm_panel_enable_tv,
318 .platform_disable = am3517_evm_panel_disable_tv,
321 static int am3517_evm_panel_enable_dvi(struct omap_dss_device *dssdev)
324 printk(KERN_ERR "cannot enable DVI, LCD is enabled\n");
332 static void am3517_evm_panel_disable_dvi(struct omap_dss_device *dssdev)
337 static struct panel_dvi_platform_data dvi_panel = {
338 .platform_enable = am3517_evm_panel_enable_dvi,
339 .platform_disable = am3517_evm_panel_disable_dvi,
342 static struct omap_dss_device am3517_evm_dvi_device = {
343 .type = OMAP_DISPLAY_TYPE_DPI,
345 .driver_name = "dvi",
347 .phy.dpi.data_lines = 24,
350 static struct omap_dss_device *am3517_evm_dss_devices[] = {
351 &am3517_evm_lcd_device,
352 &am3517_evm_tv_device,
353 &am3517_evm_dvi_device,
356 static struct omap_dss_board_info am3517_evm_dss_data = {
357 .num_devices = ARRAY_SIZE(am3517_evm_dss_devices),
358 .devices = am3517_evm_dss_devices,
359 .default_device = &am3517_evm_lcd_device,
363 * Board initialization
366 static struct omap_musb_board_data musb_board_data = {
367 .interface_type = MUSB_INTERFACE_ULPI,
370 .set_phy_power = am35x_musb_phy_power,
371 .clear_irq = am35x_musb_clear_irq,
372 .set_mode = am35x_set_mode,
373 .reset = am35x_musb_reset,
376 static __init void am3517_evm_musb_init(void)
381 * Set up USB clock/mode in the DEVCONF2 register.
383 devconf2 = omap_ctrl_readl(AM35XX_CONTROL_DEVCONF2);
385 /* USB2.0 PHY reference clock is 13 MHz */
386 devconf2 &= ~(CONF2_REFFREQ | CONF2_OTGMODE | CONF2_PHY_GPIOMODE);
387 devconf2 |= CONF2_REFFREQ_13MHZ | CONF2_SESENDEN | CONF2_VBDTCTEN
390 omap_ctrl_writel(devconf2, AM35XX_CONTROL_DEVCONF2);
392 usb_musb_init(&musb_board_data);
395 static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
396 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
397 #if defined(CONFIG_PANEL_SHARP_LQ043T1DG01) || \
398 defined(CONFIG_PANEL_SHARP_LQ043T1DG01_MODULE)
399 .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
401 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
403 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
406 .reset_gpio_port[0] = 57,
407 .reset_gpio_port[1] = -EINVAL,
408 .reset_gpio_port[2] = -EINVAL
411 #ifdef CONFIG_OMAP_MUX
412 static struct omap_board_mux board_mux[] __initdata = {
413 /* USB OTG DRVVBUS offset = 0x212 */
414 OMAP3_MUX(SAD2D_MCAD23, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
415 { .reg_offset = OMAP_MUX_TERMINATOR },
420 static struct resource am3517_hecc_resources[] = {
422 .start = AM35XX_IPSS_HECC_BASE,
423 .end = AM35XX_IPSS_HECC_BASE + 0x3FFF,
424 .flags = IORESOURCE_MEM,
427 .start = INT_35XX_HECC0_IRQ,
428 .end = INT_35XX_HECC0_IRQ,
429 .flags = IORESOURCE_IRQ,
433 static struct platform_device am3517_hecc_device = {
436 .num_resources = ARRAY_SIZE(am3517_hecc_resources),
437 .resource = am3517_hecc_resources,
440 static struct ti_hecc_platform_data am3517_evm_hecc_pdata = {
441 .scc_hecc_offset = AM35XX_HECC_SCC_HECC_OFFSET,
442 .scc_ram_offset = AM35XX_HECC_SCC_RAM_OFFSET,
443 .hecc_ram_offset = AM35XX_HECC_RAM_OFFSET,
444 .mbx_offset = AM35XX_HECC_MBOX_OFFSET,
445 .int_line = AM35XX_HECC_INT_LINE,
446 .version = AM35XX_HECC_VERSION,
449 static void am3517_evm_hecc_init(struct ti_hecc_platform_data *pdata)
451 am3517_hecc_device.dev.platform_data = pdata;
452 platform_device_register(&am3517_hecc_device);
455 static struct omap_board_config_kernel am3517_evm_config[] __initdata = {
458 static void __init am3517_evm_init(void)
460 omap_board_config = am3517_evm_config;
461 omap_board_config_size = ARRAY_SIZE(am3517_evm_config);
462 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
464 am3517_evm_i2c_init();
465 omap_display_init(&am3517_evm_dss_data);
467 omap_sdrc_init(NULL, NULL);
469 /* Configure GPIO for EHCI port */
470 omap_mux_init_gpio(57, OMAP_PIN_OUTPUT);
471 usbhs_init(&usbhs_bdata);
472 am3517_evm_hecc_init(&am3517_evm_hecc_pdata);
474 am3517_evm_display_init();
477 am3517_evm_rtc_init();
479 i2c_register_board_info(1, am3517evm_i2c1_boardinfo,
480 ARRAY_SIZE(am3517evm_i2c1_boardinfo));
482 am3517_evm_ethernet_init(&am3517_evm_emac_pdata);
485 am3517_evm_musb_init();
488 MACHINE_START(OMAP3517EVM, "OMAP3517/AM3517 EVM")
489 .atag_offset = 0x100,
490 .reserve = omap_reserve,
491 .map_io = omap3_map_io,
492 .init_early = am35xx_init_early,
493 .init_irq = omap3_init_irq,
494 .init_machine = am3517_evm_init,
495 .timer = &omap3_timer,