[Intel-gfx] [PATCH 20/41] drm/i915: add WRPLL clocks

Eugeni Dodonov eugeni.dodonov at intel.com
Thu Mar 29 17:32:36 CEST 2012


The WR PLL can drive the DDI ports at fixed frequencies for HDMI, DVI, DP
and FDI.

Signed-off-by: Eugeni Dodonov <eugeni.dodonov at intel.com>
---
 drivers/gpu/drm/i915/i915_reg.h |    8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index fc24229..7b6754d 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -3989,6 +3989,14 @@
 #define  SPLL_PLL_FREQ_810MHz	(0<<26)
 #define  SPLL_PLL_FREQ_1350MHz	(1<<26)
 
+/* WRPLL */
+#define WRPLL_CTL1				0x46040
+#define WRPLL_CTL2				0x46060
+#define  WRPLL_PLL_ENABLE				(1<<31)
+#define  WRPLL_PLL_SELECT_SSC			(0x01<<28)
+#define  WRPLL_PLL_SELECT_NON_SCC		(0x02<<28)
+#define  WRPLL_PLL_SELECT_LCPLL_2700	(0x03<<28)
+
 /* Port clock selection */
 #define PORT_CLK_SEL_A			0x46100
 #define PORT_CLK_SEL_B			0x46104
-- 
1.7.9.5




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