Change in ...coreboot[master]: samsung/lumpy: add cpu/gpu pwm backlight register values

[Matt DeVillier (Code Review)]

Matt DeVillier has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/30566

Change subject: samsung/lumpy: add cpu/gpu pwm backlight register values
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samsung/lumpy: add cpu/gpu pwm backlight register values

Required for functional internal display on lumpy using
libgfxinit or Tianocore GOP driver

Test: boot/build lumpy, verify internal display functional
prior to OS driver loading.

Change-Id: If62a4ae58082548e8a645d1a2de40705bdd2946e
Signed-off-by: Matt DeVillier 
---
M src/mainboard/samsung/lumpy/devicetree.cb
1 file changed, 4 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/66/30566/1

diff --git a/src/mainboard/samsung/lumpy/devicetree.cb b/src/mainboard/samsung/lumpy/devicetree.cb
index 0362b2c..dcf2c12 100644
--- a/src/mainboard/samsung/lumpy/devicetree.cb
+++ b/src/mainboard/samsung/lumpy/devicetree.cb
@@ -14,6 +14,10 @@
    register "gpu_panel_power_backlight_on_delay" = "2100"	# T5: 210ms
    register "gpu_panel_power_backlight_off_delay" = "2100"	# TD: 210ms

+	# Set backlight PWM values
+	register "gpu_cpu_backlight" = "0x03d003d0"
+	register "gpu_pch_backlight" = "0x03d003d0"
+
    register "max_mem_clock_mhz" = "666"

device cpu_cluster 0 on