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>
37 #include <video/omapdss.h>
38 #include <video/omap-panel-generic-dpi.h>
39 #include <video/omap-panel-tfp410.h>
41 #include "am35xx-emac.h"
46 #define LCD_PANEL_PWR 176
47 #define LCD_PANEL_BKLIGHT_PWR 182
48 #define LCD_PANEL_PWM 181
50 static struct i2c_board_info __initdata am3517evm_i2c1_boardinfo
[] = {
52 I2C_BOARD_INFO("s35390a", 0x30),
59 #define GPIO_RTCS35390A_IRQ 55
61 static void __init
am3517_evm_rtc_init(void)
65 omap_mux_init_gpio(GPIO_RTCS35390A_IRQ
, OMAP_PIN_INPUT_PULLUP
);
67 r
= gpio_request_one(GPIO_RTCS35390A_IRQ
, GPIOF_IN
, "rtcs35390a-irq");
69 printk(KERN_WARNING
"failed to request GPIO#%d\n",
74 am3517evm_i2c1_boardinfo
[0].irq
= gpio_to_irq(GPIO_RTCS35390A_IRQ
);
78 * I2C GPIO Expander - TCA6416
81 /* Mounted on Base-Board */
82 static struct pca953x_platform_data am3517evm_gpio_expander_info_0
= {
83 .gpio_base
= OMAP_MAX_GPIO_LINES
,
85 static struct i2c_board_info __initdata am3517evm_i2c2_boardinfo
[] = {
87 I2C_BOARD_INFO("tlv320aic23", 0x1A),
90 I2C_BOARD_INFO("tca6416", 0x21),
91 .platform_data
= &am3517evm_gpio_expander_info_0
,
95 /* Mounted on UI Card */
96 static struct pca953x_platform_data am3517evm_ui_gpio_expander_info_1
= {
97 .gpio_base
= OMAP_MAX_GPIO_LINES
+ 16,
99 static struct pca953x_platform_data am3517evm_ui_gpio_expander_info_2
= {
100 .gpio_base
= OMAP_MAX_GPIO_LINES
+ 32,
102 static struct i2c_board_info __initdata am3517evm_i2c3_boardinfo
[] = {
104 I2C_BOARD_INFO("tca6416", 0x20),
105 .platform_data
= &am3517evm_ui_gpio_expander_info_1
,
108 I2C_BOARD_INFO("tca6416", 0x21),
109 .platform_data
= &am3517evm_ui_gpio_expander_info_2
,
113 static int __init
am3517_evm_i2c_init(void)
115 omap_register_i2c_bus(1, 400, NULL
, 0);
116 omap_register_i2c_bus(2, 400, am3517evm_i2c2_boardinfo
,
117 ARRAY_SIZE(am3517evm_i2c2_boardinfo
));
118 omap_register_i2c_bus(3, 400, am3517evm_i2c3_boardinfo
,
119 ARRAY_SIZE(am3517evm_i2c3_boardinfo
));
124 static int lcd_enabled
;
125 static int dvi_enabled
;
127 #if defined(CONFIG_PANEL_SHARP_LQ043T1DG01) || \
128 defined(CONFIG_PANEL_SHARP_LQ043T1DG01_MODULE)
129 static struct gpio am3517_evm_dss_gpios
[] __initdata
= {
130 /* GPIO 182 = LCD Backlight Power */
131 { LCD_PANEL_BKLIGHT_PWR
, GPIOF_OUT_INIT_HIGH
, "lcd_backlight_pwr" },
132 /* GPIO 181 = LCD Panel PWM */
133 { LCD_PANEL_PWM
, GPIOF_OUT_INIT_HIGH
, "lcd bl enable" },
134 /* GPIO 176 = LCD Panel Power enable pin */
135 { LCD_PANEL_PWR
, GPIOF_OUT_INIT_HIGH
, "dvi enable" },
138 static void __init
am3517_evm_display_init(void)
142 omap_mux_init_gpio(LCD_PANEL_PWR
, OMAP_PIN_INPUT_PULLUP
);
143 omap_mux_init_gpio(LCD_PANEL_BKLIGHT_PWR
, OMAP_PIN_INPUT_PULLDOWN
);
144 omap_mux_init_gpio(LCD_PANEL_PWM
, OMAP_PIN_INPUT_PULLDOWN
);
146 r
= gpio_request_array(am3517_evm_dss_gpios
,
147 ARRAY_SIZE(am3517_evm_dss_gpios
));
149 printk(KERN_ERR
"failed to get DSS panel control GPIOs\n");
153 printk(KERN_INFO
"Display initialized successfully\n");
156 static void __init
am3517_evm_display_init(void) {}
159 static int am3517_evm_panel_enable_lcd(struct omap_dss_device
*dssdev
)
162 printk(KERN_ERR
"cannot enable LCD, DVI is enabled\n");
165 gpio_set_value(LCD_PANEL_PWR
, 1);
171 static void am3517_evm_panel_disable_lcd(struct omap_dss_device
*dssdev
)
173 gpio_set_value(LCD_PANEL_PWR
, 0);
177 static struct panel_generic_dpi_data lcd_panel
= {
179 .platform_enable
= am3517_evm_panel_enable_lcd
,
180 .platform_disable
= am3517_evm_panel_disable_lcd
,
183 static struct omap_dss_device am3517_evm_lcd_device
= {
184 .type
= OMAP_DISPLAY_TYPE_DPI
,
186 .driver_name
= "generic_dpi_panel",
188 .phy
.dpi
.data_lines
= 16,
191 static int am3517_evm_panel_enable_tv(struct omap_dss_device
*dssdev
)
196 static void am3517_evm_panel_disable_tv(struct omap_dss_device
*dssdev
)
200 static struct omap_dss_device am3517_evm_tv_device
= {
201 .type
= OMAP_DISPLAY_TYPE_VENC
,
203 .driver_name
= "venc",
204 .phy
.venc
.type
= OMAP_DSS_VENC_TYPE_SVIDEO
,
205 .platform_enable
= am3517_evm_panel_enable_tv
,
206 .platform_disable
= am3517_evm_panel_disable_tv
,
209 static struct tfp410_platform_data dvi_panel
= {
210 .power_down_gpio
= -1,
213 static struct omap_dss_device am3517_evm_dvi_device
= {
214 .type
= OMAP_DISPLAY_TYPE_DPI
,
216 .driver_name
= "tfp410",
218 .phy
.dpi
.data_lines
= 24,
221 static struct omap_dss_device
*am3517_evm_dss_devices
[] = {
222 &am3517_evm_lcd_device
,
223 &am3517_evm_tv_device
,
224 &am3517_evm_dvi_device
,
227 static 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
,
234 * Board initialization
237 static struct omap_musb_board_data musb_board_data
= {
238 .interface_type
= MUSB_INTERFACE_ULPI
,
241 .set_phy_power
= am35x_musb_phy_power
,
242 .clear_irq
= am35x_musb_clear_irq
,
243 .set_mode
= am35x_set_mode
,
244 .reset
= am35x_musb_reset
,
247 static __init
void am3517_evm_musb_init(void)
252 * Set up USB clock/mode in the DEVCONF2 register.
254 devconf2
= omap_ctrl_readl(AM35XX_CONTROL_DEVCONF2
);
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
261 omap_ctrl_writel(devconf2
, AM35XX_CONTROL_DEVCONF2
);
263 usb_musb_init(&musb_board_data
);
266 static const struct usbhs_omap_board_data usbhs_bdata __initconst
= {
267 .port_mode
[0] = OMAP_EHCI_PORT_MODE_PHY
,
268 #if defined(CONFIG_PANEL_SHARP_LQ043T1DG01) || \
269 defined(CONFIG_PANEL_SHARP_LQ043T1DG01_MODULE)
270 .port_mode
[1] = OMAP_USBHS_PORT_MODE_UNUSED
,
272 .port_mode
[1] = OMAP_EHCI_PORT_MODE_PHY
,
274 .port_mode
[2] = OMAP_USBHS_PORT_MODE_UNUSED
,
277 .reset_gpio_port
[0] = 57,
278 .reset_gpio_port
[1] = -EINVAL
,
279 .reset_gpio_port
[2] = -EINVAL
282 #ifdef CONFIG_OMAP_MUX
283 static struct omap_board_mux board_mux
[] __initdata
= {
284 /* USB OTG DRVVBUS offset = 0x212 */
285 OMAP3_MUX(SAD2D_MCAD23
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT_PULLDOWN
),
286 { .reg_offset
= OMAP_MUX_TERMINATOR
},
291 static struct resource am3517_hecc_resources
[] = {
293 .start
= AM35XX_IPSS_HECC_BASE
,
294 .end
= AM35XX_IPSS_HECC_BASE
+ 0x3FFF,
295 .flags
= IORESOURCE_MEM
,
298 .start
= INT_35XX_HECC0_IRQ
,
299 .end
= INT_35XX_HECC0_IRQ
,
300 .flags
= IORESOURCE_IRQ
,
304 static struct platform_device am3517_hecc_device
= {
307 .num_resources
= ARRAY_SIZE(am3517_hecc_resources
),
308 .resource
= am3517_hecc_resources
,
311 static struct ti_hecc_platform_data am3517_evm_hecc_pdata
= {
312 .scc_hecc_offset
= AM35XX_HECC_SCC_HECC_OFFSET
,
313 .scc_ram_offset
= AM35XX_HECC_SCC_RAM_OFFSET
,
314 .hecc_ram_offset
= AM35XX_HECC_RAM_OFFSET
,
315 .mbx_offset
= AM35XX_HECC_MBOX_OFFSET
,
316 .int_line
= AM35XX_HECC_INT_LINE
,
317 .version
= AM35XX_HECC_VERSION
,
320 static void am3517_evm_hecc_init(struct ti_hecc_platform_data
*pdata
)
322 am3517_hecc_device
.dev
.platform_data
= pdata
;
323 platform_device_register(&am3517_hecc_device
);
326 static struct omap2_hsmmc_info mmc
[] = {
329 .caps
= MMC_CAP_4_BIT_DATA
,
335 .caps
= MMC_CAP_4_BIT_DATA
,
343 static void __init
am3517_evm_init(void)
345 omap3_mux_init(board_mux
, OMAP_PACKAGE_CBB
);
347 am3517_evm_i2c_init();
348 omap_display_init(&am3517_evm_dss_data
);
350 omap_sdrc_init(NULL
, NULL
);
352 /* Configure GPIO for EHCI port */
353 omap_mux_init_gpio(57, OMAP_PIN_OUTPUT
);
354 usbhs_init(&usbhs_bdata
);
355 am3517_evm_hecc_init(&am3517_evm_hecc_pdata
);
357 am3517_evm_display_init();
360 am3517_evm_rtc_init();
362 i2c_register_board_info(1, am3517evm_i2c1_boardinfo
,
363 ARRAY_SIZE(am3517evm_i2c1_boardinfo
));
365 am35xx_emac_init(AM35XX_DEFAULT_MDIO_FREQUENCY
, 1);
368 am3517_evm_musb_init();
370 /* MMC init function */
371 omap_hsmmc_init(mmc
);
374 MACHINE_START(OMAP3517EVM
, "OMAP3517/AM3517 EVM")
375 .atag_offset
= 0x100,
376 .reserve
= omap_reserve
,
377 .map_io
= omap3_map_io
,
378 .init_early
= am35xx_init_early
,
379 .init_irq
= omap3_init_irq
,
380 .handle_irq
= omap3_intc_handle_irq
,
381 .init_machine
= am3517_evm_init
,
382 .init_late
= am35xx_init_late
,
383 .timer
= &omap3_timer
,
384 .restart
= omap_prcm_restart
,