| /* |
| * linux/arch/arm/mach-omap2/board-am3517evm.c |
| * |
| * Copyright (C) 2009 Texas Instruments Incorporated |
| * Author: Ranjith Lohithakshan <ranjithl@ti.com> |
| * |
| * Based on mach-omap2/board-omap3evm.c |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License as published by the |
| * Free Software Foundation version 2. |
| * |
| * This program is distributed "as is" WITHOUT ANY WARRANTY of any kind, |
| * whether express or implied; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * General Public License for more details. |
| */ |
| |
| #include <linux/kernel.h> |
| #include <linux/init.h> |
| #include <linux/clk.h> |
| #include <linux/platform_device.h> |
| #include <linux/gpio.h> |
| #include <linux/platform_data/pca953x.h> |
| #include <linux/can/platform/ti_hecc.h> |
| #include <linux/davinci_emac.h> |
| #include <linux/mmc/host.h> |
| #include <linux/usb/musb.h> |
| #include <linux/platform_data/gpio-omap.h> |
| |
| #include "am35xx.h" |
| #include <asm/mach-types.h> |
| #include <asm/mach/arch.h> |
| #include <asm/mach/map.h> |
| |
| #include "common.h" |
| #include <video/omapdss.h> |
| #include <video/omap-panel-data.h> |
| |
| #include "am35xx-emac.h" |
| #include "mux.h" |
| #include "control.h" |
| #include "hsmmc.h" |
| |
| #define LCD_PANEL_PWR 176 |
| #define LCD_PANEL_BKLIGHT_PWR 182 |
| #define LCD_PANEL_PWM 181 |
| |
| static struct i2c_board_info __initdata am3517evm_i2c1_boardinfo[] = { |
| { |
| I2C_BOARD_INFO("s35390a", 0x30), |
| }, |
| }; |
| |
| /* |
| * RTC - S35390A |
| */ |
| #define GPIO_RTCS35390A_IRQ 55 |
| |
| static void __init am3517_evm_rtc_init(void) |
| { |
| int r; |
| |
| omap_mux_init_gpio(GPIO_RTCS35390A_IRQ, OMAP_PIN_INPUT_PULLUP); |
| |
| r = gpio_request_one(GPIO_RTCS35390A_IRQ, GPIOF_IN, "rtcs35390a-irq"); |
| if (r < 0) { |
| printk(KERN_WARNING "failed to request GPIO#%d\n", |
| GPIO_RTCS35390A_IRQ); |
| return; |
| } |
| |
| am3517evm_i2c1_boardinfo[0].irq = gpio_to_irq(GPIO_RTCS35390A_IRQ); |
| } |
| |
| /* |
| * I2C GPIO Expander - TCA6416 |
| */ |
| |
| /* Mounted on Base-Board */ |
| static struct pca953x_platform_data am3517evm_gpio_expander_info_0 = { |
| .gpio_base = OMAP_MAX_GPIO_LINES, |
| }; |
| static struct i2c_board_info __initdata am3517evm_i2c2_boardinfo[] = { |
| { |
| I2C_BOARD_INFO("tlv320aic23", 0x1A), |
| }, |
| { |
| I2C_BOARD_INFO("tca6416", 0x21), |
| .platform_data = &am3517evm_gpio_expander_info_0, |
| }, |
| }; |
| |
| /* Mounted on UI Card */ |
| static struct pca953x_platform_data am3517evm_ui_gpio_expander_info_1 = { |
| .gpio_base = OMAP_MAX_GPIO_LINES + 16, |
| }; |
| static struct pca953x_platform_data am3517evm_ui_gpio_expander_info_2 = { |
| .gpio_base = OMAP_MAX_GPIO_LINES + 32, |
| }; |
| static struct i2c_board_info __initdata am3517evm_i2c3_boardinfo[] = { |
| { |
| I2C_BOARD_INFO("tca6416", 0x20), |
| .platform_data = &am3517evm_ui_gpio_expander_info_1, |
| }, |
| { |
| I2C_BOARD_INFO("tca6416", 0x21), |
| .platform_data = &am3517evm_ui_gpio_expander_info_2, |
| }, |
| }; |
| |
| static int __init am3517_evm_i2c_init(void) |
| { |
| omap_register_i2c_bus(1, 400, NULL, 0); |
| omap_register_i2c_bus(2, 400, am3517evm_i2c2_boardinfo, |
| ARRAY_SIZE(am3517evm_i2c2_boardinfo)); |
| omap_register_i2c_bus(3, 400, am3517evm_i2c3_boardinfo, |
| ARRAY_SIZE(am3517evm_i2c3_boardinfo)); |
| |
| return 0; |
| } |
| |
| static const struct display_timing am3517_evm_lcd_videomode = { |
| .pixelclock = { 0, 9000000, 0 }, |
| |
| .hactive = { 0, 480, 0 }, |
| .hfront_porch = { 0, 3, 0 }, |
| .hback_porch = { 0, 2, 0 }, |
| .hsync_len = { 0, 42, 0 }, |
| |
| .vactive = { 0, 272, 0 }, |
| .vfront_porch = { 0, 3, 0 }, |
| .vback_porch = { 0, 2, 0 }, |
| .vsync_len = { 0, 11, 0 }, |
| |
| .flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW | |
| DISPLAY_FLAGS_DE_LOW | DISPLAY_FLAGS_PIXDATA_POSEDGE, |
| }; |
| |
| static struct panel_dpi_platform_data am3517_evm_lcd_pdata = { |
| .name = "lcd", |
| .source = "dpi.0", |
| |
| .data_lines = 16, |
| |
| .display_timing = &am3517_evm_lcd_videomode, |
| |
| .enable_gpio = LCD_PANEL_PWR, |
| .backlight_gpio = LCD_PANEL_BKLIGHT_PWR, |
| }; |
| |
| static struct platform_device am3517_evm_lcd_device = { |
| .name = "panel-dpi", |
| .id = 0, |
| .dev.platform_data = &am3517_evm_lcd_pdata, |
| }; |
| |
| static struct connector_dvi_platform_data am3517_evm_dvi_connector_pdata = { |
| .name = "dvi", |
| .source = "tfp410.0", |
| .i2c_bus_num = -1, |
| }; |
| |
| static struct platform_device am3517_evm_dvi_connector_device = { |
| .name = "connector-dvi", |
| .id = 0, |
| .dev.platform_data = &am3517_evm_dvi_connector_pdata, |
| }; |
| |
| static struct encoder_tfp410_platform_data am3517_evm_tfp410_pdata = { |
| .name = "tfp410.0", |
| .source = "dpi.0", |
| .data_lines = 24, |
| .power_down_gpio = -1, |
| }; |
| |
| static struct platform_device am3517_evm_tfp410_device = { |
| .name = "tfp410", |
| .id = 0, |
| .dev.platform_data = &am3517_evm_tfp410_pdata, |
| }; |
| |
| static struct connector_atv_platform_data am3517_evm_tv_pdata = { |
| .name = "tv", |
| .source = "venc.0", |
| .connector_type = OMAP_DSS_VENC_TYPE_SVIDEO, |
| .invert_polarity = false, |
| }; |
| |
| static struct platform_device am3517_evm_tv_connector_device = { |
| .name = "connector-analog-tv", |
| .id = 0, |
| .dev.platform_data = &am3517_evm_tv_pdata, |
| }; |
| |
| static struct omap_dss_board_info am3517_evm_dss_data = { |
| .default_display_name = "lcd", |
| }; |
| |
| static void __init am3517_evm_display_init(void) |
| { |
| gpio_request_one(LCD_PANEL_PWM, GPIOF_OUT_INIT_HIGH, "lcd panel pwm"); |
| |
| omap_display_init(&am3517_evm_dss_data); |
| |
| platform_device_register(&am3517_evm_tfp410_device); |
| platform_device_register(&am3517_evm_dvi_connector_device); |
| platform_device_register(&am3517_evm_lcd_device); |
| platform_device_register(&am3517_evm_tv_connector_device); |
| } |
| |
| /* |
| * Board initialization |
| */ |
| |
| static struct omap_musb_board_data musb_board_data = { |
| .interface_type = MUSB_INTERFACE_ULPI, |
| .mode = MUSB_OTG, |
| .power = 500, |
| .set_phy_power = am35x_musb_phy_power, |
| .clear_irq = am35x_musb_clear_irq, |
| .set_mode = am35x_set_mode, |
| .reset = am35x_musb_reset, |
| }; |
| |
| static __init void am3517_evm_musb_init(void) |
| { |
| u32 devconf2; |
| |
| /* |
| * Set up USB clock/mode in the DEVCONF2 register. |
| */ |
| devconf2 = omap_ctrl_readl(AM35XX_CONTROL_DEVCONF2); |
| |
| /* USB2.0 PHY reference clock is 13 MHz */ |
| devconf2 &= ~(CONF2_REFFREQ | CONF2_OTGMODE | CONF2_PHY_GPIOMODE); |
| devconf2 |= CONF2_REFFREQ_13MHZ | CONF2_SESENDEN | CONF2_VBDTCTEN |
| | CONF2_DATPOL; |
| |
| omap_ctrl_writel(devconf2, AM35XX_CONTROL_DEVCONF2); |
| |
| usb_musb_init(&musb_board_data); |
| } |
| |
| static __init void am3517_evm_mcbsp1_init(void) |
| { |
| u32 devconf0; |
| |
| /* McBSP1 CLKR/FSR signal to be connected to CLKX/FSX pin */ |
| devconf0 = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0); |
| devconf0 |= OMAP2_MCBSP1_CLKR_MASK | OMAP2_MCBSP1_FSR_MASK; |
| omap_ctrl_writel(devconf0, OMAP2_CONTROL_DEVCONF0); |
| } |
| |
| static struct usbhs_phy_data phy_data[] __initdata = { |
| { |
| .port = 1, |
| .reset_gpio = 57, |
| .vcc_gpio = -EINVAL, |
| }, |
| }; |
| |
| static struct usbhs_omap_platform_data usbhs_bdata __initdata = { |
| .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY, |
| .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY, |
| }; |
| |
| #ifdef CONFIG_OMAP_MUX |
| static struct omap_board_mux board_mux[] __initdata = { |
| /* USB OTG DRVVBUS offset = 0x212 */ |
| OMAP3_MUX(SAD2D_MCAD23, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN), |
| { .reg_offset = OMAP_MUX_TERMINATOR }, |
| }; |
| #endif |
| |
| |
| static struct resource am3517_hecc_resources[] = { |
| { |
| .start = AM35XX_IPSS_HECC_BASE, |
| .end = AM35XX_IPSS_HECC_BASE + 0x3FFF, |
| .flags = IORESOURCE_MEM, |
| }, |
| { |
| .start = 24 + OMAP_INTC_START, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct platform_device am3517_hecc_device = { |
| .name = "ti_hecc", |
| .id = -1, |
| .num_resources = ARRAY_SIZE(am3517_hecc_resources), |
| .resource = am3517_hecc_resources, |
| }; |
| |
| static struct ti_hecc_platform_data am3517_evm_hecc_pdata = { |
| .scc_hecc_offset = AM35XX_HECC_SCC_HECC_OFFSET, |
| .scc_ram_offset = AM35XX_HECC_SCC_RAM_OFFSET, |
| .hecc_ram_offset = AM35XX_HECC_RAM_OFFSET, |
| .mbx_offset = AM35XX_HECC_MBOX_OFFSET, |
| .int_line = AM35XX_HECC_INT_LINE, |
| .version = AM35XX_HECC_VERSION, |
| }; |
| |
| static void am3517_evm_hecc_init(struct ti_hecc_platform_data *pdata) |
| { |
| am3517_hecc_device.dev.platform_data = pdata; |
| platform_device_register(&am3517_hecc_device); |
| } |
| |
| static struct omap2_hsmmc_info mmc[] = { |
| { |
| .mmc = 1, |
| .caps = MMC_CAP_4_BIT_DATA, |
| .gpio_cd = 127, |
| .gpio_wp = 126, |
| }, |
| { |
| .mmc = 2, |
| .caps = MMC_CAP_4_BIT_DATA, |
| .gpio_cd = 128, |
| .gpio_wp = 129, |
| }, |
| {} /* Terminator */ |
| }; |
| |
| static void __init am3517_evm_init(void) |
| { |
| omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); |
| |
| am3517_evm_i2c_init(); |
| |
| am3517_evm_display_init(); |
| |
| omap_serial_init(); |
| omap_sdrc_init(NULL, NULL); |
| |
| /* Configure GPIO for EHCI port */ |
| omap_mux_init_gpio(57, OMAP_PIN_OUTPUT); |
| |
| usbhs_init_phys(phy_data, ARRAY_SIZE(phy_data)); |
| usbhs_init(&usbhs_bdata); |
| am3517_evm_hecc_init(&am3517_evm_hecc_pdata); |
| |
| /* RTC - S35390A */ |
| am3517_evm_rtc_init(); |
| |
| i2c_register_board_info(1, am3517evm_i2c1_boardinfo, |
| ARRAY_SIZE(am3517evm_i2c1_boardinfo)); |
| /*Ethernet*/ |
| am35xx_emac_init(AM35XX_DEFAULT_MDIO_FREQUENCY, 1); |
| |
| /* MUSB */ |
| am3517_evm_musb_init(); |
| |
| /* McBSP1 */ |
| am3517_evm_mcbsp1_init(); |
| |
| /* MMC init function */ |
| omap_hsmmc_init(mmc); |
| } |
| |
| MACHINE_START(OMAP3517EVM, "OMAP3517/AM3517 EVM") |
| .atag_offset = 0x100, |
| .reserve = omap_reserve, |
| .map_io = omap3_map_io, |
| .init_early = am35xx_init_early, |
| .init_irq = omap3_init_irq, |
| .handle_irq = omap3_intc_handle_irq, |
| .init_machine = am3517_evm_init, |
| .init_late = am35xx_init_late, |
| .init_time = omap3_sync32k_timer_init, |
| .restart = omap3xxx_restart, |
| MACHINE_END |