#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>
+#include <linux/i2c/pca953x.h>
#include <mach/hardware.h>
+#include <mach/am35xx.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <plat/board.h>
#include <plat/common.h>
#include <plat/usb.h>
+#include <plat/display.h>
#include "mux.h"
+#define LCD_PANEL_PWR 176
+#define LCD_PANEL_BKLIGHT_PWR 182
+#define LCD_PANEL_PWM 181
+
+static struct i2c_board_info __initdata am3517evm_i2c_boardinfo[] = {
+ {
+ I2C_BOARD_INFO("s35390a", 0x30),
+ .type = "s35390a",
+ },
+};
+
+/*
+ * 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(GPIO_RTCS35390A_IRQ, "rtcs35390a-irq");
+ if (r < 0) {
+ printk(KERN_WARNING "failed to request GPIO#%d\n",
+ GPIO_RTCS35390A_IRQ);
+ return;
+ }
+ r = gpio_direction_input(GPIO_RTCS35390A_IRQ);
+ if (r < 0) {
+ printk(KERN_WARNING "GPIO#%d cannot be configured as input\n",
+ GPIO_RTCS35390A_IRQ);
+ gpio_free(GPIO_RTCS35390A_IRQ);
+ return;
+ }
+ am3517evm_i2c_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_tca6416_info_0[] = {
+ {
+ 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_ui_tca6416_info[] = {
+ {
+ 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_tca6416_info_0,
+ ARRAY_SIZE(am3517evm_tca6416_info_0));
+ omap_register_i2c_bus(3, 400, am3517evm_ui_tca6416_info,
+ ARRAY_SIZE(am3517evm_ui_tca6416_info));
+
+ return 0;
+}
+
+static int lcd_enabled;
+static int dvi_enabled;
+
+static void __init am3517_evm_display_init(void)
+{
+ int r;
+
+ omap_mux_init_gpio(LCD_PANEL_PWR, OMAP_PIN_INPUT_PULLUP);
+ omap_mux_init_gpio(LCD_PANEL_BKLIGHT_PWR, OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_gpio(LCD_PANEL_PWM, OMAP_PIN_INPUT_PULLDOWN);
+ /*
+ * Enable GPIO 182 = LCD Backlight Power
+ */
+ r = gpio_request(LCD_PANEL_BKLIGHT_PWR, "lcd_backlight_pwr");
+ if (r) {
+ printk(KERN_ERR "failed to get lcd_backlight_pwr\n");
+ return;
+ }
+ gpio_direction_output(LCD_PANEL_BKLIGHT_PWR, 1);
+ /*
+ * Enable GPIO 181 = LCD Panel PWM
+ */
+ r = gpio_request(LCD_PANEL_PWM, "lcd_pwm");
+ if (r) {
+ printk(KERN_ERR "failed to get lcd_pwm\n");
+ goto err_1;
+ }
+ gpio_direction_output(LCD_PANEL_PWM, 1);
+ /*
+ * Enable GPIO 176 = LCD Panel Power enable pin
+ */
+ r = gpio_request(LCD_PANEL_PWR, "lcd_panel_pwr");
+ if (r) {
+ printk(KERN_ERR "failed to get lcd_panel_pwr\n");
+ goto err_2;
+ }
+ gpio_direction_output(LCD_PANEL_PWR, 1);
+
+ printk(KERN_INFO "Display initialized successfully\n");
+ return;
+
+err_2:
+ gpio_free(LCD_PANEL_PWM);
+err_1:
+ gpio_free(LCD_PANEL_BKLIGHT_PWR);
+}
+
+static int am3517_evm_panel_enable_lcd(struct omap_dss_device *dssdev)
+{
+ if (dvi_enabled) {
+ printk(KERN_ERR "cannot enable LCD, DVI is enabled\n");
+ return -EINVAL;
+ }
+ gpio_set_value(LCD_PANEL_PWR, 1);
+ lcd_enabled = 1;
+
+ return 0;
+}
+
+static void am3517_evm_panel_disable_lcd(struct omap_dss_device *dssdev)
+{
+ gpio_set_value(LCD_PANEL_PWR, 0);
+ lcd_enabled = 0;
+}
+
+static struct omap_dss_device am3517_evm_lcd_device = {
+ .type = OMAP_DISPLAY_TYPE_DPI,
+ .name = "lcd",
+ .driver_name = "sharp_lq_panel",
+ .phy.dpi.data_lines = 16,
+ .platform_enable = am3517_evm_panel_enable_lcd,
+ .platform_disable = am3517_evm_panel_disable_lcd,
+};
+
+static int am3517_evm_panel_enable_tv(struct omap_dss_device *dssdev)
+{
+ return 0;
+}
+
+static void am3517_evm_panel_disable_tv(struct omap_dss_device *dssdev)
+{
+}
+
+static struct omap_dss_device am3517_evm_tv_device = {
+ .type = OMAP_DISPLAY_TYPE_VENC,
+ .name = "tv",
+ .driver_name = "venc",
+ .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
+ .platform_enable = am3517_evm_panel_enable_tv,
+ .platform_disable = am3517_evm_panel_disable_tv,
+};
+
+static int am3517_evm_panel_enable_dvi(struct omap_dss_device *dssdev)
+{
+ if (lcd_enabled) {
+ printk(KERN_ERR "cannot enable DVI, LCD is enabled\n");
+ return -EINVAL;
+ }
+ dvi_enabled = 1;
+
+ return 0;
+}
+
+static void am3517_evm_panel_disable_dvi(struct omap_dss_device *dssdev)
+{
+ dvi_enabled = 0;
+}
+
+static struct omap_dss_device am3517_evm_dvi_device = {
+ .type = OMAP_DISPLAY_TYPE_DPI,
+ .name = "dvi",
+ .driver_name = "generic_panel",
+ .phy.dpi.data_lines = 24,
+ .platform_enable = am3517_evm_panel_enable_dvi,
+ .platform_disable = am3517_evm_panel_disable_dvi,
+};
+
+static struct omap_dss_device *am3517_evm_dss_devices[] = {
+ &am3517_evm_lcd_device,
+ &am3517_evm_tv_device,
+ &am3517_evm_dvi_device,
+};
+
+static struct omap_dss_board_info am3517_evm_dss_data = {
+ .num_devices = ARRAY_SIZE(am3517_evm_dss_devices),
+ .devices = am3517_evm_dss_devices,
+ .default_device = &am3517_evm_lcd_device,
+};
+
+struct platform_device am3517_evm_dss_device = {
+ .name = "omapdss",
+ .id = -1,
+ .dev = {
+ .platform_data = &am3517_evm_dss_data,
+ },
+};
+
/*
* Board initialization
*/
};
static struct platform_device *am3517_evm_devices[] __initdata = {
+ &am3517_evm_dss_device,
};
static void __init am3517_evm_init_irq(void)
omap_gpio_init();
}
-static struct ehci_hcd_omap_platform_data ehci_pdata __initdata = {
+static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
.port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
.port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
.port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
static void __init am3517_evm_init(void)
{
omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
+
+ am3517_evm_i2c_init();
platform_add_devices(am3517_evm_devices,
ARRAY_SIZE(am3517_evm_devices));
omap_serial_init();
+
+ /* Configure GPIO for EHCI port */
+ omap_mux_init_gpio(57, OMAP_PIN_OUTPUT);
usb_ehci_init(&ehci_pdata);
+ /* DSS */
+ am3517_evm_display_init();
+
+ /* RTC - S35390A */
+ am3517_evm_rtc_init();
+
+ i2c_register_board_info(1, am3517evm_i2c_boardinfo,
+ ARRAY_SIZE(am3517evm_i2c_boardinfo));
}
static void __init am3517_evm_map_io(void)
{
omap2_set_globals_343x();
- omap2_map_common_io();
+ omap34xx_map_common_io();
}
MACHINE_START(OMAP3517EVM, "OMAP3517/AM3517 EVM")
git.openpandora.org / pandora-kernel.git / blobdiff