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-rw-r--r--src/mainboard/lenovo/t520/devicetree.cb14
1 files changed, 14 insertions, 0 deletions
diff --git a/src/mainboard/lenovo/t520/devicetree.cb b/src/mainboard/lenovo/t520/devicetree.cb
index 0065799dd6..6df2644d02 100644
--- a/src/mainboard/lenovo/t520/devicetree.cb
+++ b/src/mainboard/lenovo/t520/devicetree.cb
@@ -133,6 +133,20 @@ chip northbridge/intel/sandybridge
register "eventd_enable" = "0xff"
register "evente_enable" = "0x0d"
end
+ chip drivers/lenovo/hybrid_graphics
+ device pnp ff.f on end # dummy
+
+ register "detect_gpio" = "21"
+
+ register "has_panel_hybrid_gpio" = "1"
+ register "panel_hybrid_gpio" = "52"
+ register "panel_integrated_lvl" = "1"
+
+ register "has_backlight_gpio" = "0"
+ register "has_dgpu_power_gpio" = "0"
+
+ register "has_thinker1" = "1"
+ end
end # LPC bridge
device pci 1f.2 on end # SATA Controller 1
device pci 1f.3 on # SMBUS controller