373 lines
9.3 KiB
C
373 lines
9.3 KiB
C
/*
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* linux/arch/arm/mach-omap2/board-am3517evm.c
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*
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* Copyright (C) 2009 Texas Instruments Incorporated
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* Author: Ranjith Lohithakshan <ranjithl@ti.com>
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*
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* Based on mach-omap2/board-omap3evm.c
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation version 2.
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*
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* This program is distributed "as is" WITHOUT ANY WARRANTY of any kind,
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* whether express or implied; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/clk.h>
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#include <linux/platform_device.h>
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#include <linux/gpio.h>
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#include <linux/platform_data/pca953x.h>
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#include <linux/can/platform/ti_hecc.h>
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#include <linux/davinci_emac.h>
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#include <linux/mmc/host.h>
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#include <linux/usb/musb.h>
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#include <linux/platform_data/gpio-omap.h>
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#include "am35xx.h"
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include "common.h"
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#include <video/omapdss.h>
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#include <video/omap-panel-data.h>
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#include "am35xx-emac.h"
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#include "mux.h"
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#include "control.h"
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#include "hsmmc.h"
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#define LCD_PANEL_PWR 176
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#define LCD_PANEL_BKLIGHT_PWR 182
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#define LCD_PANEL_PWM 181
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static struct i2c_board_info __initdata am3517evm_i2c1_boardinfo[] = {
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{
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I2C_BOARD_INFO("s35390a", 0x30),
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},
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};
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/*
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* RTC - S35390A
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*/
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#define GPIO_RTCS35390A_IRQ 55
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static void __init am3517_evm_rtc_init(void)
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{
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int r;
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omap_mux_init_gpio(GPIO_RTCS35390A_IRQ, OMAP_PIN_INPUT_PULLUP);
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r = gpio_request_one(GPIO_RTCS35390A_IRQ, GPIOF_IN, "rtcs35390a-irq");
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if (r < 0) {
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printk(KERN_WARNING "failed to request GPIO#%d\n",
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GPIO_RTCS35390A_IRQ);
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return;
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}
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am3517evm_i2c1_boardinfo[0].irq = gpio_to_irq(GPIO_RTCS35390A_IRQ);
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}
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/*
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* I2C GPIO Expander - TCA6416
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*/
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/* Mounted on Base-Board */
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static struct pca953x_platform_data am3517evm_gpio_expander_info_0 = {
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.gpio_base = OMAP_MAX_GPIO_LINES,
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};
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static struct i2c_board_info __initdata am3517evm_i2c2_boardinfo[] = {
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{
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I2C_BOARD_INFO("tlv320aic23", 0x1A),
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},
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{
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I2C_BOARD_INFO("tca6416", 0x21),
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.platform_data = &am3517evm_gpio_expander_info_0,
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},
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};
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/* Mounted on UI Card */
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static struct pca953x_platform_data am3517evm_ui_gpio_expander_info_1 = {
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.gpio_base = OMAP_MAX_GPIO_LINES + 16,
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};
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static struct pca953x_platform_data am3517evm_ui_gpio_expander_info_2 = {
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.gpio_base = OMAP_MAX_GPIO_LINES + 32,
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};
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static struct i2c_board_info __initdata am3517evm_i2c3_boardinfo[] = {
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{
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I2C_BOARD_INFO("tca6416", 0x20),
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.platform_data = &am3517evm_ui_gpio_expander_info_1,
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},
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{
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I2C_BOARD_INFO("tca6416", 0x21),
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.platform_data = &am3517evm_ui_gpio_expander_info_2,
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},
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};
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static int __init am3517_evm_i2c_init(void)
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{
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omap_register_i2c_bus(1, 400, NULL, 0);
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omap_register_i2c_bus(2, 400, am3517evm_i2c2_boardinfo,
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ARRAY_SIZE(am3517evm_i2c2_boardinfo));
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omap_register_i2c_bus(3, 400, am3517evm_i2c3_boardinfo,
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ARRAY_SIZE(am3517evm_i2c3_boardinfo));
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return 0;
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}
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static const struct display_timing am3517_evm_lcd_videomode = {
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.pixelclock = { 0, 9000000, 0 },
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.hactive = { 0, 480, 0 },
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.hfront_porch = { 0, 3, 0 },
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.hback_porch = { 0, 2, 0 },
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.hsync_len = { 0, 42, 0 },
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.vactive = { 0, 272, 0 },
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.vfront_porch = { 0, 3, 0 },
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.vback_porch = { 0, 2, 0 },
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.vsync_len = { 0, 11, 0 },
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.flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW |
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DISPLAY_FLAGS_DE_LOW | DISPLAY_FLAGS_PIXDATA_POSEDGE,
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};
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static struct panel_dpi_platform_data am3517_evm_lcd_pdata = {
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.name = "lcd",
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.source = "dpi.0",
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.data_lines = 16,
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.display_timing = &am3517_evm_lcd_videomode,
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.enable_gpio = LCD_PANEL_PWR,
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.backlight_gpio = LCD_PANEL_BKLIGHT_PWR,
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};
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static struct platform_device am3517_evm_lcd_device = {
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.name = "panel-dpi",
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.id = 0,
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.dev.platform_data = &am3517_evm_lcd_pdata,
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};
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static struct connector_dvi_platform_data am3517_evm_dvi_connector_pdata = {
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.name = "dvi",
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.source = "tfp410.0",
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.i2c_bus_num = -1,
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};
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static struct platform_device am3517_evm_dvi_connector_device = {
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.name = "connector-dvi",
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.id = 0,
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.dev.platform_data = &am3517_evm_dvi_connector_pdata,
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};
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static struct encoder_tfp410_platform_data am3517_evm_tfp410_pdata = {
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.name = "tfp410.0",
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.source = "dpi.0",
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.data_lines = 24,
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.power_down_gpio = -1,
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};
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static struct platform_device am3517_evm_tfp410_device = {
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.name = "tfp410",
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.id = 0,
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.dev.platform_data = &am3517_evm_tfp410_pdata,
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};
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static struct connector_atv_platform_data am3517_evm_tv_pdata = {
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.name = "tv",
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.source = "venc.0",
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.connector_type = OMAP_DSS_VENC_TYPE_SVIDEO,
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.invert_polarity = false,
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};
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static struct platform_device am3517_evm_tv_connector_device = {
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.name = "connector-analog-tv",
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.id = 0,
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.dev.platform_data = &am3517_evm_tv_pdata,
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};
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static struct omap_dss_board_info am3517_evm_dss_data = {
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.default_display_name = "lcd",
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};
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static void __init am3517_evm_display_init(void)
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{
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gpio_request_one(LCD_PANEL_PWM, GPIOF_OUT_INIT_HIGH, "lcd panel pwm");
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omap_display_init(&am3517_evm_dss_data);
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platform_device_register(&am3517_evm_tfp410_device);
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platform_device_register(&am3517_evm_dvi_connector_device);
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platform_device_register(&am3517_evm_lcd_device);
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platform_device_register(&am3517_evm_tv_connector_device);
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}
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/*
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* Board initialization
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*/
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static struct omap_musb_board_data musb_board_data = {
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.interface_type = MUSB_INTERFACE_ULPI,
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.mode = MUSB_OTG,
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.power = 500,
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.set_phy_power = am35x_musb_phy_power,
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.clear_irq = am35x_musb_clear_irq,
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.set_mode = am35x_set_mode,
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.reset = am35x_musb_reset,
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};
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static __init void am3517_evm_musb_init(void)
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{
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u32 devconf2;
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/*
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* Set up USB clock/mode in the DEVCONF2 register.
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*/
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devconf2 = omap_ctrl_readl(AM35XX_CONTROL_DEVCONF2);
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/* USB2.0 PHY reference clock is 13 MHz */
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devconf2 &= ~(CONF2_REFFREQ | CONF2_OTGMODE | CONF2_PHY_GPIOMODE);
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devconf2 |= CONF2_REFFREQ_13MHZ | CONF2_SESENDEN | CONF2_VBDTCTEN
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| CONF2_DATPOL;
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omap_ctrl_writel(devconf2, AM35XX_CONTROL_DEVCONF2);
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usb_musb_init(&musb_board_data);
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}
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static __init void am3517_evm_mcbsp1_init(void)
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{
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u32 devconf0;
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/* McBSP1 CLKR/FSR signal to be connected to CLKX/FSX pin */
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devconf0 = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
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devconf0 |= OMAP2_MCBSP1_CLKR_MASK | OMAP2_MCBSP1_FSR_MASK;
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omap_ctrl_writel(devconf0, OMAP2_CONTROL_DEVCONF0);
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}
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static struct usbhs_phy_data phy_data[] __initdata = {
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{
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.port = 1,
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.reset_gpio = 57,
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.vcc_gpio = -EINVAL,
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},
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};
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static struct usbhs_omap_platform_data usbhs_bdata __initdata = {
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.port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
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.port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
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};
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#ifdef CONFIG_OMAP_MUX
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static struct omap_board_mux board_mux[] __initdata = {
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/* USB OTG DRVVBUS offset = 0x212 */
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OMAP3_MUX(SAD2D_MCAD23, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
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{ .reg_offset = OMAP_MUX_TERMINATOR },
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};
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#endif
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static struct resource am3517_hecc_resources[] = {
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{
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.start = AM35XX_IPSS_HECC_BASE,
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.end = AM35XX_IPSS_HECC_BASE + 0x3FFF,
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.flags = IORESOURCE_MEM,
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},
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{
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.start = 24 + OMAP_INTC_START,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device am3517_hecc_device = {
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.name = "ti_hecc",
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.id = -1,
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.num_resources = ARRAY_SIZE(am3517_hecc_resources),
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.resource = am3517_hecc_resources,
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};
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static struct ti_hecc_platform_data am3517_evm_hecc_pdata = {
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.scc_hecc_offset = AM35XX_HECC_SCC_HECC_OFFSET,
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.scc_ram_offset = AM35XX_HECC_SCC_RAM_OFFSET,
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.hecc_ram_offset = AM35XX_HECC_RAM_OFFSET,
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.mbx_offset = AM35XX_HECC_MBOX_OFFSET,
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.int_line = AM35XX_HECC_INT_LINE,
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.version = AM35XX_HECC_VERSION,
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};
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static void am3517_evm_hecc_init(struct ti_hecc_platform_data *pdata)
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{
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am3517_hecc_device.dev.platform_data = pdata;
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platform_device_register(&am3517_hecc_device);
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}
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static struct omap2_hsmmc_info mmc[] = {
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{
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.mmc = 1,
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.caps = MMC_CAP_4_BIT_DATA,
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.gpio_cd = 127,
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.gpio_wp = 126,
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},
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{
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.mmc = 2,
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.caps = MMC_CAP_4_BIT_DATA,
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.gpio_cd = 128,
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.gpio_wp = 129,
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},
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{} /* Terminator */
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};
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static void __init am3517_evm_init(void)
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{
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omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
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am3517_evm_i2c_init();
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am3517_evm_display_init();
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omap_serial_init();
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omap_sdrc_init(NULL, NULL);
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/* Configure GPIO for EHCI port */
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omap_mux_init_gpio(57, OMAP_PIN_OUTPUT);
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usbhs_init_phys(phy_data, ARRAY_SIZE(phy_data));
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usbhs_init(&usbhs_bdata);
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am3517_evm_hecc_init(&am3517_evm_hecc_pdata);
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/* RTC - S35390A */
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am3517_evm_rtc_init();
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i2c_register_board_info(1, am3517evm_i2c1_boardinfo,
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ARRAY_SIZE(am3517evm_i2c1_boardinfo));
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/*Ethernet*/
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am35xx_emac_init(AM35XX_DEFAULT_MDIO_FREQUENCY, 1);
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/* MUSB */
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am3517_evm_musb_init();
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/* McBSP1 */
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am3517_evm_mcbsp1_init();
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/* MMC init function */
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omap_hsmmc_init(mmc);
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}
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MACHINE_START(OMAP3517EVM, "OMAP3517/AM3517 EVM")
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.atag_offset = 0x100,
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.reserve = omap_reserve,
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.map_io = omap3_map_io,
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.init_early = am35xx_init_early,
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.init_irq = omap3_init_irq,
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.init_machine = am3517_evm_init,
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.init_late = am35xx_init_late,
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.init_time = omap3_sync32k_timer_init,
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.restart = omap3xxx_restart,
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MACHINE_END
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