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Diffstat (limited to 'arch/arm/mach-omap2/board-omap4panda.c')
-rw-r--r--arch/arm/mach-omap2/board-omap4panda.c203
1 files changed, 202 insertions, 1 deletions
diff --git a/arch/arm/mach-omap2/board-omap4panda.c b/arch/arm/mach-omap2/board-omap4panda.c
index 0f4d8a762a70..209cffbee4e0 100644
--- a/arch/arm/mach-omap2/board-omap4panda.c
+++ b/arch/arm/mach-omap2/board-omap4panda.c
@@ -34,11 +34,13 @@
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
+#include <plat/display.h>
#include <plat/board.h>
#include <plat/common.h>
#include <plat/usb.h>
#include <plat/mmc.h>
+#include <plat/panel-generic-dpi.h>
#include "timer-gp.h"
#include "hsmmc.h"
@@ -49,6 +51,8 @@
#define GPIO_HUB_NRESET 62
#define GPIO_WIFI_PMENA 43
#define GPIO_WIFI_IRQ 53
+#define HDMI_GPIO_HPD 60 /* Hot plug pin for HDMI */
+#define HDMI_GPIO_LS_OE 41 /* Level shifter for HDMI */
/* wl127x BT, FM, GPS connectivity chip */
static int wl1271_gpios[] = {46, -1, -1};
@@ -433,6 +437,17 @@ static struct i2c_board_info __initdata omap4_panda_i2c_boardinfo[] = {
.platform_data = &omap4_panda_twldata,
},
};
+
+/*
+ * Display monitor features are burnt in their EEPROM as EDID data. The EEPROM
+ * is connected as I2C slave device, and can be accessed at address 0x50
+ */
+static struct i2c_board_info __initdata panda_i2c_eeprom[] = {
+ {
+ I2C_BOARD_INFO("eeprom", 0x50),
+ },
+};
+
static int __init omap4_panda_i2c_init(void)
{
/*
@@ -442,7 +457,12 @@ static int __init omap4_panda_i2c_init(void)
omap_register_i2c_bus(1, 400, omap4_panda_i2c_boardinfo,
ARRAY_SIZE(omap4_panda_i2c_boardinfo));
omap_register_i2c_bus(2, 400, NULL, 0);
- omap_register_i2c_bus(3, 400, NULL, 0);
+ /*
+ * Bus 3 is attached to the DVI port where devices like the pico DLP
+ * projector don't work reliably with 400kHz
+ */
+ omap_register_i2c_bus(3, 100, panda_i2c_eeprom,
+ ARRAY_SIZE(panda_i2c_eeprom));
omap_register_i2c_bus(4, 400, NULL, 0);
return 0;
}
@@ -462,6 +482,64 @@ static struct omap_board_mux board_mux[] __initdata = {
OMAP4_MUX(SDMMC5_DAT1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
OMAP4_MUX(SDMMC5_DAT2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
OMAP4_MUX(SDMMC5_DAT3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
+ /* gpio 0 - TFP410 PD */
+ OMAP4_MUX(KPD_COL1, OMAP_PIN_OUTPUT | OMAP_MUX_MODE3),
+ /* dispc2_data23 */
+ OMAP4_MUX(USBB2_ULPITLL_STP, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
+ /* dispc2_data22 */
+ OMAP4_MUX(USBB2_ULPITLL_DIR, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
+ /* dispc2_data21 */
+ OMAP4_MUX(USBB2_ULPITLL_NXT, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
+ /* dispc2_data20 */
+ OMAP4_MUX(USBB2_ULPITLL_DAT0, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
+ /* dispc2_data19 */
+ OMAP4_MUX(USBB2_ULPITLL_DAT1, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
+ /* dispc2_data18 */
+ OMAP4_MUX(USBB2_ULPITLL_DAT2, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
+ /* dispc2_data15 */
+ OMAP4_MUX(USBB2_ULPITLL_DAT3, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
+ /* dispc2_data14 */
+ OMAP4_MUX(USBB2_ULPITLL_DAT4, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
+ /* dispc2_data13 */
+ OMAP4_MUX(USBB2_ULPITLL_DAT5, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
+ /* dispc2_data12 */
+ OMAP4_MUX(USBB2_ULPITLL_DAT6, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
+ /* dispc2_data11 */
+ OMAP4_MUX(USBB2_ULPITLL_DAT7, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
+ /* dispc2_data10 */
+ OMAP4_MUX(DPM_EMU3, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
+ /* dispc2_data9 */
+ OMAP4_MUX(DPM_EMU4, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
+ /* dispc2_data16 */
+ OMAP4_MUX(DPM_EMU5, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
+ /* dispc2_data17 */
+ OMAP4_MUX(DPM_EMU6, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
+ /* dispc2_hsync */
+ OMAP4_MUX(DPM_EMU7, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
+ /* dispc2_pclk */
+ OMAP4_MUX(DPM_EMU8, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
+ /* dispc2_vsync */
+ OMAP4_MUX(DPM_EMU9, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
+ /* dispc2_de */
+ OMAP4_MUX(DPM_EMU10, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
+ /* dispc2_data8 */
+ OMAP4_MUX(DPM_EMU11, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
+ /* dispc2_data7 */
+ OMAP4_MUX(DPM_EMU12, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
+ /* dispc2_data6 */
+ OMAP4_MUX(DPM_EMU13, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
+ /* dispc2_data5 */
+ OMAP4_MUX(DPM_EMU14, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
+ /* dispc2_data4 */
+ OMAP4_MUX(DPM_EMU15, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
+ /* dispc2_data3 */
+ OMAP4_MUX(DPM_EMU16, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
+ /* dispc2_data2 */
+ OMAP4_MUX(DPM_EMU17, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
+ /* dispc2_data1 */
+ OMAP4_MUX(DPM_EMU18, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
+ /* dispc2_data0 */
+ OMAP4_MUX(DPM_EMU19, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
{ .reg_offset = OMAP_MUX_TERMINATOR },
};
@@ -535,6 +613,128 @@ static inline void board_serial_init(void)
}
#endif
+/* Display DVI */
+#define PANDA_DVI_TFP410_POWER_DOWN_GPIO 0
+
+static int omap4_panda_enable_dvi(struct omap_dss_device *dssdev)
+{
+ gpio_set_value(dssdev->reset_gpio, 1);
+ return 0;
+}
+
+static void omap4_panda_disable_dvi(struct omap_dss_device *dssdev)
+{
+ gpio_set_value(dssdev->reset_gpio, 0);
+}
+
+/* Using generic display panel */
+static struct panel_generic_dpi_data omap4_dvi_panel = {
+ .name = "generic",
+ .platform_enable = omap4_panda_enable_dvi,
+ .platform_disable = omap4_panda_disable_dvi,
+};
+
+struct omap_dss_device omap4_panda_dvi_device = {
+ .type = OMAP_DISPLAY_TYPE_DPI,
+ .name = "dvi",
+ .driver_name = "generic_dpi_panel",
+ .data = &omap4_dvi_panel,
+ .phy.dpi.data_lines = 24,
+ .reset_gpio = PANDA_DVI_TFP410_POWER_DOWN_GPIO,
+ .channel = OMAP_DSS_CHANNEL_LCD2,
+};
+
+int __init omap4_panda_dvi_init(void)
+{
+ int r;
+
+ /* Requesting TFP410 DVI GPIO and disabling it, at bootup */
+ r = gpio_request_one(omap4_panda_dvi_device.reset_gpio,
+ GPIOF_OUT_INIT_LOW, "DVI PD");
+ if (r)
+ pr_err("Failed to get DVI powerdown GPIO\n");
+
+ return r;
+}
+
+
+static void omap4_panda_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 omap4_panda_panel_enable_hdmi(struct omap_dss_device *dssdev)
+{
+ int status;
+
+ status = gpio_request_one(HDMI_GPIO_HPD, GPIOF_OUT_INIT_HIGH,
+ "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_OUT_INIT_HIGH,
+ "hdmi_gpio_ls_oe");
+ if (status) {
+ pr_err("Cannot request GPIO %d\n", HDMI_GPIO_LS_OE);
+ goto error1;
+ }
+
+ return 0;
+
+error1:
+ gpio_free(HDMI_GPIO_HPD);
+
+ return status;
+}
+
+static void omap4_panda_panel_disable_hdmi(struct omap_dss_device *dssdev)
+{
+ gpio_free(HDMI_GPIO_LS_OE);
+ gpio_free(HDMI_GPIO_HPD);
+}
+
+static struct omap_dss_device omap4_panda_hdmi_device = {
+ .name = "hdmi",
+ .driver_name = "hdmi_panel",
+ .type = OMAP_DISPLAY_TYPE_HDMI,
+ .platform_enable = omap4_panda_panel_enable_hdmi,
+ .platform_disable = omap4_panda_panel_disable_hdmi,
+ .channel = OMAP_DSS_CHANNEL_DIGIT,
+};
+
+static struct omap_dss_device *omap4_panda_dss_devices[] = {
+ &omap4_panda_dvi_device,
+ &omap4_panda_hdmi_device,
+};
+
+static struct omap_dss_board_info omap4_panda_dss_data = {
+ .num_devices = ARRAY_SIZE(omap4_panda_dss_devices),
+ .devices = omap4_panda_dss_devices,
+ .default_device = &omap4_panda_dvi_device,
+};
+
+void omap4_panda_display_init(void)
+{
+ int r;
+
+ r = omap4_panda_dvi_init();
+ if (r)
+ pr_err("error initializing panda DVI\n");
+
+ omap4_panda_hdmi_mux_init();
+ omap_display_init(&omap4_panda_dss_data);
+}
+
static void __init omap4_panda_init(void)
{
int package = OMAP_PACKAGE_CBS;
@@ -553,6 +753,7 @@ static void __init omap4_panda_init(void)
omap4_twl6030_hsmmc_init(mmc);
omap4_ehci_init();
usb_musb_init(&musb_board_data);
+ omap4_panda_display_init();
}
static void __init omap4_panda_map_io(void)