diff options
Diffstat (limited to 'arch/arm/mach-omap2/board-am3517evm.c')
| -rw-r--r-- | arch/arm/mach-omap2/board-am3517evm.c | 374 |
1 files changed, 374 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/board-am3517evm.c b/arch/arm/mach-omap2/board-am3517evm.c new file mode 100644 index 00000000000..4f9383cecf7 --- /dev/null +++ b/arch/arm/mach-omap2/board-am3517evm.c @@ -0,0 +1,374 @@ +/* + * 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 |