@@ -35,6 +35,7 @@
#include <plat/common.h>
#include <plat/usb.h>
#include <plat/mmc.h>
+#include <plat/display.h>
#include "mux.h"
#include "hsmmc.h"
@@ -47,6 +48,8 @@
#define OMAP4SDP_MDM_PWR_EN_GPIO 157
#define OMAP4_SFH7741_SENSOR_OUTPUT_GPIO 184
#define OMAP4_SFH7741_ENABLE_GPIO 188
+#define HDMI_GPIO_HPD 60 /* Hot plug pin for HDMI */
+#define HDMI_GPIO_LS_OE 41 /* Level shifter for HDMI */
static struct gpio_led sdp4430_gpio_leds[] = {
{
@@ -552,6 +555,84 @@ static void __init omap_sfh7741prox_init(void)
}
}
+static void sdp4430_hdmi_mux_init(void)
+{
+ /* PAD0_HDMI_HPD_PAD1_HDMI_CEC */
+ omap_mux_init_signal("hdmi_hpd",
+ OMAP_PIN_INPUT_PULLUP);
+ omap_mux_init_signal("hdmi_cec",
+ OMAP_PIN_INPUT_PULLUP);
+ /* PAD0_HDMI_DDC_SCL_PAD1_HDMI_DDC_SDA */
+ omap_mux_init_signal("hdmi_ddc_scl",
+ OMAP_PIN_INPUT_PULLUP);
+ omap_mux_init_signal("hdmi_ddc_sda",
+ OMAP_PIN_INPUT_PULLUP);
+}
+
+static int sdp4430_panel_enable_hdmi(struct omap_dss_device *dssdev)
+{
+ int status;
+
+ status = gpio_request_one(HDMI_GPIO_HPD, GPIOF_DIR_OUT,
+ "hdmi_gpio_hpd");
+ if (status) {
+ pr_err("Cannot request GPIO %d\n", HDMI_GPIO_HPD);
+ return status;
+ }
+ status = gpio_request_one(HDMI_GPIO_LS_OE, GPIOF_DIR_OUT,
+ "hdmi_gpio_ls_oe");
+ if (status) {
+ pr_err("Cannot request GPIO %d\n", HDMI_GPIO_LS_OE);
+ goto error1;
+ }
+
+ /* The value set a pulse */
+ gpio_set_value(HDMI_GPIO_HPD, 1);
+ gpio_set_value(HDMI_GPIO_LS_OE, 1);
+ gpio_set_value(HDMI_GPIO_HPD, 0);
+ gpio_set_value(HDMI_GPIO_LS_OE, 0);
+ gpio_set_value(HDMI_GPIO_HPD, 1);
+ gpio_set_value(HDMI_GPIO_LS_OE, 1);
+
+ return 0;
+
+error1:
+ gpio_free(HDMI_GPIO_HPD);
+
+ return status;
+}
+
+static void sdp4430_panel_disable_hdmi(struct omap_dss_device *dssdev)
+{
+ gpio_free(HDMI_GPIO_LS_OE);
+ gpio_free(HDMI_GPIO_HPD);
+}
+
+static struct omap_dss_device sdp4430_hdmi_device = {
+ .name = "hdmi",
+ .driver_name = "hdmi_panel",
+ .type = OMAP_DISPLAY_TYPE_HDMI,
+ .platform_enable = sdp4430_panel_enable_hdmi,
+ .platform_disable = sdp4430_panel_disable_hdmi,
+ .channel = OMAP_DSS_CHANNEL_DIGIT,
+};
+
+static struct omap_dss_device *sdp4430_dss_devices[] = {
+ &sdp4430_hdmi_device,
+};
+
+static struct omap_dss_board_info sdp4430_dss_data = {
+ .num_devices = ARRAY_SIZE(sdp4430_dss_devices),
+ .devices = sdp4430_dss_devices,
+ .default_device = &sdp4430_hdmi_device,
+};
+
+void omap_4430sdp_display_init(void)
+{
+ sdp4430_hdmi_mux_init();
+ omap_display_init(&sdp4430_dss_data);
+}
+
#ifdef CONFIG_OMAP_MUX
static struct omap_board_mux board_mux[] __initdata = {
OMAP4_MUX(USBB2_ULPITLL_CLK, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
@@ -594,6 +675,7 @@ static void __init omap_4430sdp_init(void)
spi_register_board_info(sdp4430_spi_board_info,
ARRAY_SIZE(sdp4430_spi_board_info));
}
+ omap_4430sdp_display_init();
}
static void __init omap_4430sdp_map_io(void)