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authorTomi Valkeinen <tomi.valkeinen@ti.com>2012-08-22 15:00:40 +0200
committerTomi Valkeinen <tomi.valkeinen@ti.com>2012-09-24 15:50:09 +0200
commit6d44610f8321a9aa3bc408026f888872b1390712 (patch)
treefa49cb757ac4576d81b70d9f4ed6676150a0474c /drivers/video
parentOMAPDSS: DSI: Add FEAT_DSI_PLL_SELFREQDCO (diff)
downloadlinux-6d44610f8321a9aa3bc408026f888872b1390712.tar.xz
linux-6d44610f8321a9aa3bc408026f888872b1390712.zip
OMAPDSS: DSI: Add FEAT_DSI_PLL_REFSEL
Add FEAT_DSI_PLL_REFSEL. OMAP5's DSI PLL needs configuration to select the reference clock to be used. We always use SYSCLK. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/omap2/dss/dsi.c2
-rw-r--r--drivers/video/omap2/dss/dss_features.c1
-rw-r--r--drivers/video/omap2/dss/dss_features.h1
3 files changed, 4 insertions, 0 deletions
diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c
index 0c3afc2b4696..a16c8b229ea7 100644
--- a/drivers/video/omap2/dss/dsi.c
+++ b/drivers/video/omap2/dss/dsi.c
@@ -1690,6 +1690,8 @@ int dsi_pll_set_clock_div(struct platform_device *dsidev,
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 */
+ if (dss_has_feature(FEAT_DSI_PLL_REFSEL))
+ l = FLD_MOD(l, 3, 22, 21); /* REF_SYSCLK = sysclk */
dsi_write_reg(dsidev, DSI_PLL_CONFIGURATION2, l);
REG_FLD_MOD(dsidev, DSI_PLL_GO, 1, 0, 0); /* DSI_PLL_GO */
diff --git a/drivers/video/omap2/dss/dss_features.c b/drivers/video/omap2/dss/dss_features.c
index 177f6e8d2d7c..46855316d215 100644
--- a/drivers/video/omap2/dss/dss_features.c
+++ b/drivers/video/omap2/dss/dss_features.c
@@ -520,6 +520,7 @@ static const enum dss_feat_id omap5_dss_feat_list[] = {
FEAT_FIFO_MERGE,
FEAT_BURST_2D,
FEAT_DSI_PLL_SELFREQDCO,
+ FEAT_DSI_PLL_REFSEL,
};
/* OMAP2 DSS Features */
diff --git a/drivers/video/omap2/dss/dss_features.h b/drivers/video/omap2/dss/dss_features.h
index f9b9d28ed312..0020bf66f3f5 100644
--- a/drivers/video/omap2/dss/dss_features.h
+++ b/drivers/video/omap2/dss/dss_features.h
@@ -66,6 +66,7 @@ enum dss_feat_id {
FEAT_OMAP3_DSI_FIFO_BUG,
FEAT_BURST_2D,
FEAT_DSI_PLL_SELFREQDCO,
+ FEAT_DSI_PLL_REFSEL,
};
/* DSS register field id */