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>
28 #include <linux/usb/musb.h>
29 #include <linux/platform_data/gpio-omap.h>
32 #include <asm/mach-types.h>
33 #include <asm/mach/arch.h>
34 #include <asm/mach/map.h>
37 #include <video/omapdss.h>
38 #include <video/omap-panel-data.h>
40 #include "am35xx-emac.h"
45 #define LCD_PANEL_PWR 176
46 #define LCD_PANEL_BKLIGHT_PWR 182
47 #define LCD_PANEL_PWM 181
49 static struct i2c_board_info __initdata am3517evm_i2c1_boardinfo[] = {
51 I2C_BOARD_INFO("s35390a", 0x30),
58 #define GPIO_RTCS35390A_IRQ 55
60 static void __init am3517_evm_rtc_init(void)
64 omap_mux_init_gpio(GPIO_RTCS35390A_IRQ, OMAP_PIN_INPUT_PULLUP);
66 r = gpio_request_one(GPIO_RTCS35390A_IRQ, GPIOF_IN, "rtcs35390a-irq");
68 printk(KERN_WARNING "failed to request GPIO#%d\n",
73 am3517evm_i2c1_boardinfo[0].irq = gpio_to_irq(GPIO_RTCS35390A_IRQ);
77 * I2C GPIO Expander - TCA6416
80 /* Mounted on Base-Board */
81 static struct pca953x_platform_data am3517evm_gpio_expander_info_0 = {
82 .gpio_base = OMAP_MAX_GPIO_LINES,
84 static struct i2c_board_info __initdata am3517evm_i2c2_boardinfo[] = {
86 I2C_BOARD_INFO("tlv320aic23", 0x1A),
89 I2C_BOARD_INFO("tca6416", 0x21),
90 .platform_data = &am3517evm_gpio_expander_info_0,
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,
98 static struct pca953x_platform_data am3517evm_ui_gpio_expander_info_2 = {
99 .gpio_base = OMAP_MAX_GPIO_LINES + 32,
101 static struct i2c_board_info __initdata am3517evm_i2c3_boardinfo[] = {
103 I2C_BOARD_INFO("tca6416", 0x20),
104 .platform_data = &am3517evm_ui_gpio_expander_info_1,
107 I2C_BOARD_INFO("tca6416", 0x21),
108 .platform_data = &am3517evm_ui_gpio_expander_info_2,
112 static int __init am3517_evm_i2c_init(void)
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));
123 static struct panel_generic_dpi_data lcd_panel = {
128 LCD_PANEL_BKLIGHT_PWR,
133 static struct omap_dss_device am3517_evm_lcd_device = {
134 .type = OMAP_DISPLAY_TYPE_DPI,
136 .driver_name = "generic_dpi_panel",
138 .phy.dpi.data_lines = 16,
141 static struct omap_dss_device am3517_evm_tv_device = {
142 .type = OMAP_DISPLAY_TYPE_VENC,
144 .driver_name = "venc",
145 .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
148 static struct tfp410_platform_data dvi_panel = {
149 .power_down_gpio = -1,
153 static struct omap_dss_device am3517_evm_dvi_device = {
154 .type = OMAP_DISPLAY_TYPE_DPI,
156 .driver_name = "tfp410",
158 .phy.dpi.data_lines = 24,
161 static struct omap_dss_device *am3517_evm_dss_devices[] = {
162 &am3517_evm_lcd_device,
163 &am3517_evm_tv_device,
164 &am3517_evm_dvi_device,
167 static struct omap_dss_board_info am3517_evm_dss_data = {
168 .num_devices = ARRAY_SIZE(am3517_evm_dss_devices),
169 .devices = am3517_evm_dss_devices,
170 .default_device = &am3517_evm_lcd_device,
174 * Board initialization
177 static struct omap_musb_board_data musb_board_data = {
178 .interface_type = MUSB_INTERFACE_ULPI,
181 .set_phy_power = am35x_musb_phy_power,
182 .clear_irq = am35x_musb_clear_irq,
183 .set_mode = am35x_set_mode,
184 .reset = am35x_musb_reset,
187 static __init void am3517_evm_musb_init(void)
192 * Set up USB clock/mode in the DEVCONF2 register.
194 devconf2 = omap_ctrl_readl(AM35XX_CONTROL_DEVCONF2);
196 /* USB2.0 PHY reference clock is 13 MHz */
197 devconf2 &= ~(CONF2_REFFREQ | CONF2_OTGMODE | CONF2_PHY_GPIOMODE);
198 devconf2 |= CONF2_REFFREQ_13MHZ | CONF2_SESENDEN | CONF2_VBDTCTEN
201 omap_ctrl_writel(devconf2, AM35XX_CONTROL_DEVCONF2);
203 usb_musb_init(&musb_board_data);
206 static __init void am3517_evm_mcbsp1_init(void)
210 /* McBSP1 CLKR/FSR signal to be connected to CLKX/FSX pin */
211 devconf0 = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
212 devconf0 |= OMAP2_MCBSP1_CLKR_MASK | OMAP2_MCBSP1_FSR_MASK;
213 omap_ctrl_writel(devconf0, OMAP2_CONTROL_DEVCONF0);
216 static struct usbhs_omap_platform_data usbhs_bdata __initdata = {
217 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
218 #if defined(CONFIG_PANEL_SHARP_LQ043T1DG01) || \
219 defined(CONFIG_PANEL_SHARP_LQ043T1DG01_MODULE)
220 .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
222 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
224 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
227 .reset_gpio_port[0] = 57,
228 .reset_gpio_port[1] = -EINVAL,
229 .reset_gpio_port[2] = -EINVAL
232 #ifdef CONFIG_OMAP_MUX
233 static struct omap_board_mux board_mux[] __initdata = {
234 /* USB OTG DRVVBUS offset = 0x212 */
235 OMAP3_MUX(SAD2D_MCAD23, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
236 { .reg_offset = OMAP_MUX_TERMINATOR },
241 static struct resource am3517_hecc_resources[] = {
243 .start = AM35XX_IPSS_HECC_BASE,
244 .end = AM35XX_IPSS_HECC_BASE + 0x3FFF,
245 .flags = IORESOURCE_MEM,
248 .start = 24 + OMAP_INTC_START,
249 .flags = IORESOURCE_IRQ,
253 static struct platform_device am3517_hecc_device = {
256 .num_resources = ARRAY_SIZE(am3517_hecc_resources),
257 .resource = am3517_hecc_resources,
260 static struct ti_hecc_platform_data am3517_evm_hecc_pdata = {
261 .scc_hecc_offset = AM35XX_HECC_SCC_HECC_OFFSET,
262 .scc_ram_offset = AM35XX_HECC_SCC_RAM_OFFSET,
263 .hecc_ram_offset = AM35XX_HECC_RAM_OFFSET,
264 .mbx_offset = AM35XX_HECC_MBOX_OFFSET,
265 .int_line = AM35XX_HECC_INT_LINE,
266 .version = AM35XX_HECC_VERSION,
269 static void am3517_evm_hecc_init(struct ti_hecc_platform_data *pdata)
271 am3517_hecc_device.dev.platform_data = pdata;
272 platform_device_register(&am3517_hecc_device);
275 static struct omap2_hsmmc_info mmc[] = {
278 .caps = MMC_CAP_4_BIT_DATA,
284 .caps = MMC_CAP_4_BIT_DATA,
292 static void __init am3517_evm_init(void)
294 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
296 am3517_evm_i2c_init();
297 omap_display_init(&am3517_evm_dss_data);
299 omap_sdrc_init(NULL, NULL);
301 /* Configure GPIO for EHCI port */
302 omap_mux_init_gpio(57, OMAP_PIN_OUTPUT);
303 usbhs_init(&usbhs_bdata);
304 am3517_evm_hecc_init(&am3517_evm_hecc_pdata);
307 am3517_evm_rtc_init();
309 i2c_register_board_info(1, am3517evm_i2c1_boardinfo,
310 ARRAY_SIZE(am3517evm_i2c1_boardinfo));
312 am35xx_emac_init(AM35XX_DEFAULT_MDIO_FREQUENCY, 1);
315 am3517_evm_musb_init();
318 am3517_evm_mcbsp1_init();
320 /* MMC init function */
321 omap_hsmmc_init(mmc);
324 MACHINE_START(OMAP3517EVM, "OMAP3517/AM3517 EVM")
325 .atag_offset = 0x100,
326 .reserve = omap_reserve,
327 .map_io = omap3_map_io,
328 .init_early = am35xx_init_early,
329 .init_irq = omap3_init_irq,
330 .handle_irq = omap3_intc_handle_irq,
331 .init_machine = am3517_evm_init,
332 .init_late = am35xx_init_late,
333 .init_time = omap3_sync32k_timer_init,
334 .restart = omap3xxx_restart,