OMAPDSS: DSI: Add FEAT_DSI_PLL_REFSEL
authorTomi Valkeinen <tomi.valkeinen@ti.com>
Wed, 22 Aug 2012 13:00:40 +0000 (16:00 +0300)
committerTomi Valkeinen <tomi.valkeinen@ti.com>
Mon, 24 Sep 2012 13:50:09 +0000 (16:50 +0300)
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>
drivers/video/omap2/dss/dsi.c
drivers/video/omap2/dss/dss_features.c
drivers/video/omap2/dss/dss_features.h

index 0c3afc2b4696ff1b61de0f4c41b165fdadc5dba0..a16c8b229ea717544d3057a8c21cef8f5f877f1c 100644 (file)
@@ -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 */
index 177f6e8d2d7c7474492b4974fd5bcd2958c1ddcf..46855316d215e5f114166b569a7f2208352e9284 100644 (file)
@@ -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 */
index f9b9d28ed312b0765a7de519861ea2f636257673..0020bf66f3f5807d7ce0215c4a175a6eaace53d4 100644 (file)
@@ -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 */