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_phy_data phy_data
[] __initdata
= {
224 static struct usbhs_omap_platform_data usbhs_bdata __initdata
= {
225 .port_mode
[0] = OMAP_EHCI_PORT_MODE_PHY
,
226 #if defined(CONFIG_PANEL_SHARP_LQ043T1DG01) || \
227 defined(CONFIG_PANEL_SHARP_LQ043T1DG01_MODULE)
228 .port_mode
[1] = OMAP_USBHS_PORT_MODE_UNUSED
,
230 .port_mode
[1] = OMAP_EHCI_PORT_MODE_PHY
,
234 #ifdef CONFIG_OMAP_MUX
235 static struct omap_board_mux board_mux
[] __initdata
= {
236 /* USB OTG DRVVBUS offset = 0x212 */
237 OMAP3_MUX(SAD2D_MCAD23
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT_PULLDOWN
),
238 { .reg_offset
= OMAP_MUX_TERMINATOR
},
243 static struct resource am3517_hecc_resources
[] = {
245 .start
= AM35XX_IPSS_HECC_BASE
,
246 .end
= AM35XX_IPSS_HECC_BASE
+ 0x3FFF,
247 .flags
= IORESOURCE_MEM
,
250 .start
= 24 + OMAP_INTC_START
,
251 .flags
= IORESOURCE_IRQ
,
255 static struct platform_device am3517_hecc_device
= {
258 .num_resources
= ARRAY_SIZE(am3517_hecc_resources
),
259 .resource
= am3517_hecc_resources
,
262 static struct ti_hecc_platform_data am3517_evm_hecc_pdata
= {
263 .scc_hecc_offset
= AM35XX_HECC_SCC_HECC_OFFSET
,
264 .scc_ram_offset
= AM35XX_HECC_SCC_RAM_OFFSET
,
265 .hecc_ram_offset
= AM35XX_HECC_RAM_OFFSET
,
266 .mbx_offset
= AM35XX_HECC_MBOX_OFFSET
,
267 .int_line
= AM35XX_HECC_INT_LINE
,
268 .version
= AM35XX_HECC_VERSION
,
271 static void am3517_evm_hecc_init(struct ti_hecc_platform_data
*pdata
)
273 am3517_hecc_device
.dev
.platform_data
= pdata
;
274 platform_device_register(&am3517_hecc_device
);
277 static struct omap2_hsmmc_info mmc
[] = {
280 .caps
= MMC_CAP_4_BIT_DATA
,
286 .caps
= MMC_CAP_4_BIT_DATA
,
293 static void __init
am3517_evm_init(void)
295 omap3_mux_init(board_mux
, OMAP_PACKAGE_CBB
);
297 am3517_evm_i2c_init();
298 omap_display_init(&am3517_evm_dss_data
);
300 omap_sdrc_init(NULL
, NULL
);
302 /* Configure GPIO for EHCI port */
303 omap_mux_init_gpio(57, OMAP_PIN_OUTPUT
);
305 usbhs_init_phys(phy_data
, ARRAY_SIZE(phy_data
));
306 usbhs_init(&usbhs_bdata
);
307 am3517_evm_hecc_init(&am3517_evm_hecc_pdata
);
310 am3517_evm_rtc_init();
312 i2c_register_board_info(1, am3517evm_i2c1_boardinfo
,
313 ARRAY_SIZE(am3517evm_i2c1_boardinfo
));
315 am35xx_emac_init(AM35XX_DEFAULT_MDIO_FREQUENCY
, 1);
318 am3517_evm_musb_init();
321 am3517_evm_mcbsp1_init();
323 /* MMC init function */
324 omap_hsmmc_init(mmc
);
327 MACHINE_START(OMAP3517EVM
, "OMAP3517/AM3517 EVM")
328 .atag_offset
= 0x100,
329 .reserve
= omap_reserve
,
330 .map_io
= omap3_map_io
,
331 .init_early
= am35xx_init_early
,
332 .init_irq
= omap3_init_irq
,
333 .handle_irq
= omap3_intc_handle_irq
,
334 .init_machine
= am3517_evm_init
,
335 .init_late
= am35xx_init_late
,
336 .init_time
= omap3_sync32k_timer_init
,
337 .restart
= omap3xxx_restart
,