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>
27 #include <linux/mmc/host.h>
29 #include <mach/hardware.h>
30 #include <mach/am35xx.h>
31 #include <asm/mach-types.h>
32 #include <asm/mach/arch.h>
33 #include <asm/mach/map.h>
35 #include <plat/board.h>
38 #include <video/omapdss.h>
39 #include <video/omap-panel-generic-dpi.h>
40 #include <video/omap-panel-tfp410.h>
42 #include "am35xx-emac.h"
47 #define LCD_PANEL_PWR 176
48 #define LCD_PANEL_BKLIGHT_PWR 182
49 #define LCD_PANEL_PWM 181
51 static struct i2c_board_info __initdata am3517evm_i2c1_boardinfo[] = {
53 I2C_BOARD_INFO("s35390a", 0x30),
60 #define GPIO_RTCS35390A_IRQ 55
62 static void __init am3517_evm_rtc_init(void)
66 omap_mux_init_gpio(GPIO_RTCS35390A_IRQ, OMAP_PIN_INPUT_PULLUP);
68 r = gpio_request_one(GPIO_RTCS35390A_IRQ, GPIOF_IN, "rtcs35390a-irq");
70 printk(KERN_WARNING "failed to request GPIO#%d\n",
75 am3517evm_i2c1_boardinfo[0].irq = gpio_to_irq(GPIO_RTCS35390A_IRQ);
79 * I2C GPIO Expander - TCA6416
82 /* Mounted on Base-Board */
83 static struct pca953x_platform_data am3517evm_gpio_expander_info_0 = {
84 .gpio_base = OMAP_MAX_GPIO_LINES,
86 static struct i2c_board_info __initdata am3517evm_i2c2_boardinfo[] = {
88 I2C_BOARD_INFO("tlv320aic23", 0x1A),
91 I2C_BOARD_INFO("tca6416", 0x21),
92 .platform_data = &am3517evm_gpio_expander_info_0,
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,
100 static struct pca953x_platform_data am3517evm_ui_gpio_expander_info_2 = {
101 .gpio_base = OMAP_MAX_GPIO_LINES + 32,
103 static struct i2c_board_info __initdata am3517evm_i2c3_boardinfo[] = {
105 I2C_BOARD_INFO("tca6416", 0x20),
106 .platform_data = &am3517evm_ui_gpio_expander_info_1,
109 I2C_BOARD_INFO("tca6416", 0x21),
110 .platform_data = &am3517evm_ui_gpio_expander_info_2,
114 static int __init am3517_evm_i2c_init(void)
116 omap_register_i2c_bus(1, 400, NULL, 0);
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));
125 static int lcd_enabled;
126 static int dvi_enabled;
128 #if defined(CONFIG_PANEL_SHARP_LQ043T1DG01) || \
129 defined(CONFIG_PANEL_SHARP_LQ043T1DG01_MODULE)
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" },
139 static void __init am3517_evm_display_init(void)
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);
147 r = gpio_request_array(am3517_evm_dss_gpios,
148 ARRAY_SIZE(am3517_evm_dss_gpios));
150 printk(KERN_ERR "failed to get DSS panel control GPIOs\n");
154 printk(KERN_INFO "Display initialized successfully\n");
157 static void __init am3517_evm_display_init(void) {}
160 static int am3517_evm_panel_enable_lcd(struct omap_dss_device *dssdev)
163 printk(KERN_ERR "cannot enable LCD, DVI is enabled\n");
166 gpio_set_value(LCD_PANEL_PWR, 1);
172 static void am3517_evm_panel_disable_lcd(struct omap_dss_device *dssdev)
174 gpio_set_value(LCD_PANEL_PWR, 0);
178 static struct panel_generic_dpi_data lcd_panel = {
180 .platform_enable = am3517_evm_panel_enable_lcd,
181 .platform_disable = am3517_evm_panel_disable_lcd,
184 static struct omap_dss_device am3517_evm_lcd_device = {
185 .type = OMAP_DISPLAY_TYPE_DPI,
187 .driver_name = "generic_dpi_panel",
189 .phy.dpi.data_lines = 16,
192 static int am3517_evm_panel_enable_tv(struct omap_dss_device *dssdev)
197 static void am3517_evm_panel_disable_tv(struct omap_dss_device *dssdev)
201 static struct omap_dss_device am3517_evm_tv_device = {
202 .type = OMAP_DISPLAY_TYPE_VENC,
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,
210 static struct tfp410_platform_data dvi_panel = {
211 .power_down_gpio = -1,
214 static struct omap_dss_device am3517_evm_dvi_device = {
215 .type = OMAP_DISPLAY_TYPE_DPI,
217 .driver_name = "tfp410",
219 .phy.dpi.data_lines = 24,
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,
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,
235 * Board initialization
238 static struct omap_musb_board_data musb_board_data = {
239 .interface_type = MUSB_INTERFACE_ULPI,
242 .set_phy_power = am35x_musb_phy_power,
243 .clear_irq = am35x_musb_clear_irq,
244 .set_mode = am35x_set_mode,
245 .reset = am35x_musb_reset,
248 static __init void am3517_evm_musb_init(void)
253 * Set up USB clock/mode in the DEVCONF2 register.
255 devconf2 = omap_ctrl_readl(AM35XX_CONTROL_DEVCONF2);
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
262 omap_ctrl_writel(devconf2, AM35XX_CONTROL_DEVCONF2);
264 usb_musb_init(&musb_board_data);
267 static __init void am3517_evm_mcbsp1_init(void)
271 /* McBSP1 CLKR/FSR signal to be connected to CLKX/FSX pin */
272 devconf0 = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
273 devconf0 |= OMAP2_MCBSP1_CLKR_MASK | OMAP2_MCBSP1_FSR_MASK;
274 omap_ctrl_writel(devconf0, OMAP2_CONTROL_DEVCONF0);
277 static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
278 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
279 #if defined(CONFIG_PANEL_SHARP_LQ043T1DG01) || \
280 defined(CONFIG_PANEL_SHARP_LQ043T1DG01_MODULE)
281 .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
283 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
285 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
288 .reset_gpio_port[0] = 57,
289 .reset_gpio_port[1] = -EINVAL,
290 .reset_gpio_port[2] = -EINVAL
293 #ifdef CONFIG_OMAP_MUX
294 static struct omap_board_mux board_mux[] __initdata = {
295 /* USB OTG DRVVBUS offset = 0x212 */
296 OMAP3_MUX(SAD2D_MCAD23, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
297 { .reg_offset = OMAP_MUX_TERMINATOR },
302 static struct resource am3517_hecc_resources[] = {
304 .start = AM35XX_IPSS_HECC_BASE,
305 .end = AM35XX_IPSS_HECC_BASE + 0x3FFF,
306 .flags = IORESOURCE_MEM,
309 .start = INT_35XX_HECC0_IRQ,
310 .end = INT_35XX_HECC0_IRQ,
311 .flags = IORESOURCE_IRQ,
315 static struct platform_device am3517_hecc_device = {
318 .num_resources = ARRAY_SIZE(am3517_hecc_resources),
319 .resource = am3517_hecc_resources,
322 static 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,
331 static void am3517_evm_hecc_init(struct ti_hecc_platform_data *pdata)
333 am3517_hecc_device.dev.platform_data = pdata;
334 platform_device_register(&am3517_hecc_device);
337 static struct omap_board_config_kernel am3517_evm_config[] __initdata = {
340 static struct omap2_hsmmc_info mmc[] = {
343 .caps = MMC_CAP_4_BIT_DATA,
349 .caps = MMC_CAP_4_BIT_DATA,
357 static void __init am3517_evm_init(void)
359 omap_board_config = am3517_evm_config;
360 omap_board_config_size = ARRAY_SIZE(am3517_evm_config);
361 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
363 am3517_evm_i2c_init();
364 omap_display_init(&am3517_evm_dss_data);
366 omap_sdrc_init(NULL, NULL);
368 /* Configure GPIO for EHCI port */
369 omap_mux_init_gpio(57, OMAP_PIN_OUTPUT);
370 usbhs_init(&usbhs_bdata);
371 am3517_evm_hecc_init(&am3517_evm_hecc_pdata);
373 am3517_evm_display_init();
376 am3517_evm_rtc_init();
378 i2c_register_board_info(1, am3517evm_i2c1_boardinfo,
379 ARRAY_SIZE(am3517evm_i2c1_boardinfo));
381 am35xx_emac_init(AM35XX_DEFAULT_MDIO_FREQUENCY, 1);
384 am3517_evm_musb_init();
387 am3517_evm_mcbsp1_init();
389 /* MMC init function */
390 omap_hsmmc_init(mmc);
393 MACHINE_START(OMAP3517EVM, "OMAP3517/AM3517 EVM")
394 .atag_offset = 0x100,
395 .reserve = omap_reserve,
396 .map_io = omap3_map_io,
397 .init_early = am35xx_init_early,
398 .init_irq = omap3_init_irq,
399 .handle_irq = omap3_intc_handle_irq,
400 .init_machine = am3517_evm_init,
401 .init_late = am35xx_init_late,
402 .timer = &omap3_timer,
403 .restart = omap_prcm_restart,