UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

OMAPDSS: DSS: Add DRA7xx base support 

Add base support for DRA7xx to DSS core.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This commit is contained in:
Tomi Valkeinen 2014-12-31 11:23:31 +02:00
parent 6761a8f606
commit 6d817880cd
4 changed files with 44 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

40
drivers/video/fbdev/omap2/dss/dss.c
View File

@ -605,6 +605,26 @@ static int dss_dpi_select_source_omap5(int port, enum omap_channel channel)
return 0;
}
static int dss_dpi_select_source_dra7xx(int port, enum omap_channel channel)
{
switch (port) {
case 0:
return dss_dpi_select_source_omap5(port, channel);
case 1:
if (channel != OMAP_DSS_CHANNEL_LCD2)
return -EINVAL;
break;
case 2:
if (channel != OMAP_DSS_CHANNEL_LCD3)
return -EINVAL;
break;
default:
return -EINVAL;
}
return 0;
}
int dss_dpi_select_source(int port, enum omap_channel channel)
{
return dss.feat->dpi_select_source(port, channel);
@ -686,6 +706,12 @@ static const enum omap_display_type omap34xx_ports[] = {
OMAP_DISPLAY_TYPE_SDI,
};
static const enum omap_display_type dra7xx_ports[] = {
OMAP_DISPLAY_TYPE_DPI,
OMAP_DISPLAY_TYPE_DPI,
OMAP_DISPLAY_TYPE_DPI,
};
static const struct dss_features omap24xx_dss_feats __initconst = {
/*
* fck div max is really 16, but the divider range has gaps. The range
@ -744,6 +770,15 @@ static const struct dss_features am43xx_dss_feats __initconst = {
.num_ports = ARRAY_SIZE(omap2plus_ports),
};
static const struct dss_features dra7xx_dss_feats __initconst = {
.fck_div_max = 64,
.dss_fck_multiplier = 1,
.parent_clk_name = "dpll_per_x2_ck",
.dpi_select_source = &dss_dpi_select_source_dra7xx,
.ports = dra7xx_ports,
.num_ports = ARRAY_SIZE(dra7xx_ports),
};
static int __init dss_init_features(struct platform_device *pdev)
{
const struct dss_features *src;
@ -784,6 +819,10 @@ static int __init dss_init_features(struct platform_device *pdev)
src = &am43xx_dss_feats;
break;
case OMAPDSS_VER_DRA7xx:
src = &dra7xx_dss_feats;
break;
default:
return -ENODEV;
}
@ -1003,6 +1042,7 @@ static const struct of_device_id dss_of_match[] = {
{ .compatible = "ti,omap3-dss", },
{ .compatible = "ti,omap4-dss", },
{ .compatible = "ti,omap5-dss", },
{ .compatible = "ti,dra7-dss", },
{},
};

2
drivers/video/fbdev/omap2/dss/dss.h
View File

@ -104,6 +104,8 @@ enum dss_pll_id {
DSS_PLL_DSI1,
DSS_PLL_DSI2,
DSS_PLL_HDMI,
DSS_PLL_VIDEO1,
DSS_PLL_VIDEO2,
};
struct dss_pll;

1
drivers/video/fbdev/omap2/dss/dss_features.c
View File

@ -943,6 +943,7 @@ void dss_features_init(enum omapdss_version version)
break;
case OMAPDSS_VER_OMAP5:
case OMAPDSS_VER_DRA7xx:
omap_current_dss_features = &omap5_dss_features;
break;

1
drivers/video/fbdev/omap2/dss/omapdss-boot-init.c
View File

@ -186,6 +186,7 @@ static const struct of_device_id omapdss_of_match[] __initconst = {
{ .compatible = "ti,omap3-dss", },
{ .compatible = "ti,omap4-dss", },
{ .compatible = "ti,omap5-dss", },
{ .compatible = "ti,dra7-dss", },
{},
};