diff options
Diffstat (limited to 'arch/arm/mach-omap2/dss-common.c')
| -rw-r--r-- | arch/arm/mach-omap2/dss-common.c | 104 | 
1 files changed, 104 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/dss-common.c b/arch/arm/mach-omap2/dss-common.c new file mode 100644 index 00000000000..62d7b15d1d2 --- /dev/null +++ b/arch/arm/mach-omap2/dss-common.c @@ -0,0 +1,104 @@ +/* + * Copyright (C) 2012 Texas Instruments, Inc.. + * Author: Tomi Valkeinen <tomi.valkeinen@ti.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +/* + * NOTE: this is a transitional file to help with DT adaptation. + * This file will be removed when DSS supports DT. + */ + +#include <linux/kernel.h> +#include <video/omapdss.h> +#include <video/omap-panel-tfp410.h> + +#include <plat/cpu.h> + +#include "dss-common.h" +#include "mux.h" + +#define HDMI_GPIO_CT_CP_HPD 60 /* HPD mode enable/disable */ +#define HDMI_GPIO_LS_OE 41 /* Level shifter for HDMI */ +#define HDMI_GPIO_HPD  63 /* Hotplug detect */ + +/* Display DVI */ +#define PANDA_DVI_TFP410_POWER_DOWN_GPIO	0 + +/* Using generic display panel */ +static struct tfp410_platform_data omap4_dvi_panel = { +	.i2c_bus_num		= 3, +	.power_down_gpio	= PANDA_DVI_TFP410_POWER_DOWN_GPIO, +}; + +static struct omap_dss_device omap4_panda_dvi_device = { +	.type			= OMAP_DISPLAY_TYPE_DPI, +	.name			= "dvi", +	.driver_name		= "tfp410", +	.data			= &omap4_dvi_panel, +	.phy.dpi.data_lines	= 24, +	.reset_gpio		= PANDA_DVI_TFP410_POWER_DOWN_GPIO, +	.channel		= OMAP_DSS_CHANNEL_LCD2, +}; + +static struct omap_dss_hdmi_data omap4_panda_hdmi_data = { +	.ct_cp_hpd_gpio = HDMI_GPIO_CT_CP_HPD, +	.ls_oe_gpio = HDMI_GPIO_LS_OE, +	.hpd_gpio = HDMI_GPIO_HPD, +}; + +static struct omap_dss_device  omap4_panda_hdmi_device = { +	.name = "hdmi", +	.driver_name = "hdmi_panel", +	.type = OMAP_DISPLAY_TYPE_HDMI, +	.channel = OMAP_DSS_CHANNEL_DIGIT, +	.data = &omap4_panda_hdmi_data, +}; + +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 __init omap4_panda_display_init(void) +{ +	omap_display_init(&omap4_panda_dss_data); + +	/* +	 * OMAP4460SDP/Blaze and OMAP4430 ES2.3 SDP/Blaze boards and +	 * later have external pull up on the HDMI I2C lines +	 */ +	if (cpu_is_omap446x() || omap_rev() > OMAP4430_REV_ES2_2) +		omap_hdmi_init(OMAP_HDMI_SDA_SCL_EXTERNAL_PULLUP); +	else +		omap_hdmi_init(0); + +	omap_mux_init_gpio(HDMI_GPIO_LS_OE, OMAP_PIN_OUTPUT); +	omap_mux_init_gpio(HDMI_GPIO_CT_CP_HPD, OMAP_PIN_OUTPUT); +	omap_mux_init_gpio(HDMI_GPIO_HPD, OMAP_PIN_INPUT_PULLDOWN); +} + +void __init omap4_panda_display_init_of(void) +{ +	omap_display_init(&omap4_panda_dss_data); +}  |