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authorTomi Valkeinen <tomi.valkeinen@ti.com>2012-08-22 16:00:31 +0300
committerTomi Valkeinen <tomi.valkeinen@ti.com>2012-09-24 16:50:09 +0300
commitf8ef3d696651df01029d289f1e15c02d4f566610 (patch)
treea3de4661dccff8af131e13ad7f41dd90036702ad /drivers/video
parentde09e4555592986219132b518c3f7834a28823cd (diff)
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OMAPDSS: DSI: Add FEAT_DSI_PLL_SELFREQDCO
Add FEAT_DSI_PLL_SELFREQDCO. OMAP5's DSI PLL has a new configuration option that needs to be programmed depending on the PLL's output clock frequency. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/omap2/dss/dsi.c12
-rw-r--r--drivers/video/omap2/dss/dss_features.c1
-rw-r--r--drivers/video/omap2/dss/dss_features.h1
3 files changed, 10 insertions, 4 deletions
diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c
index 8d47fb7c4b8f..0c3afc2b4696 100644
--- a/drivers/video/omap2/dss/dsi.c
+++ b/drivers/video/omap2/dss/dsi.c
@@ -1671,18 +1671,22 @@ int dsi_pll_set_clock_div(struct platform_device *dsidev,
BUG_ON(cinfo->fint < dsi->fint_min || cinfo->fint > dsi->fint_max);
+ l = dsi_read_reg(dsidev, DSI_PLL_CONFIGURATION2);
+
if (dss_has_feature(FEAT_DSI_PLL_FREQSEL)) {
f = cinfo->fint < 1000000 ? 0x3 :
cinfo->fint < 1250000 ? 0x4 :
cinfo->fint < 1500000 ? 0x5 :
cinfo->fint < 1750000 ? 0x6 :
0x7;
- }
-
- l = dsi_read_reg(dsidev, DSI_PLL_CONFIGURATION2);
- if (dss_has_feature(FEAT_DSI_PLL_FREQSEL))
l = FLD_MOD(l, f, 4, 1); /* DSI_PLL_FREQSEL */
+ } else if (dss_has_feature(FEAT_DSI_PLL_SELFREQDCO)) {
+ f = cinfo->clkin4ddr < 1000000000 ? 0x2 : 0x4;
+
+ l = FLD_MOD(l, f, 4, 1); /* PLL_SELFREQDCO */
+ }
+
l = FLD_MOD(l, 1, 13, 13); /* DSI_PLL_REFEN */
l = FLD_MOD(l, 0, 14, 14); /* DSIPHY_CLKINEN */
l = FLD_MOD(l, 1, 20, 20); /* DSI_HSDIVBYPASS */
diff --git a/drivers/video/omap2/dss/dss_features.c b/drivers/video/omap2/dss/dss_features.c
index af4775a20708..177f6e8d2d7c 100644
--- a/drivers/video/omap2/dss/dss_features.c
+++ b/drivers/video/omap2/dss/dss_features.c
@@ -519,6 +519,7 @@ static const enum dss_feat_id omap5_dss_feat_list[] = {
FEAT_ALPHA_FREE_ZORDER,
FEAT_FIFO_MERGE,
FEAT_BURST_2D,
+ FEAT_DSI_PLL_SELFREQDCO,
};
/* OMAP2 DSS Features */
diff --git a/drivers/video/omap2/dss/dss_features.h b/drivers/video/omap2/dss/dss_features.h
index b81d603310a8..f9b9d28ed312 100644
--- a/drivers/video/omap2/dss/dss_features.h
+++ b/drivers/video/omap2/dss/dss_features.h
@@ -65,6 +65,7 @@ enum dss_feat_id {
/* An unknown HW bug causing the normal FIFO thresholds not to work */
FEAT_OMAP3_DSI_FIFO_BUG,
FEAT_BURST_2D,
+ FEAT_DSI_PLL_SELFREQDCO,
};
/* DSS register field id */