[coreboot-gerrit] Change in coreboot[master]: mb/google/guybrush/var/dewatt: disable unused PCIe clock setting

[Felix Held (Code Review)]

Felix Held has submitted this change. ( https://review.coreboot.org/c/coreboot/+/60328 )

Change subject: mb/google/guybrush/var/dewatt: disable unused PCIe clock setting
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mb/google/guybrush/var/dewatt: disable unused PCIe clock setting

GPP_CLK1 is used for SD and GPP_CLK2 is for WWAN on guybrush.
Disable unused PCIe GPP_CLK1 and GPP_CLK2 for dewatt.

BUG=b:211566312
TEST=emerge-guybrush coreboot

Signed-off-by: Kenneth Chan 
Change-Id: If449453bc60ed41e104346429babc06a73acef64
Reviewed-on: https://review.coreboot.org/c/coreboot/+/60328
Tested-by: build bot (Jenkins) 
Reviewed-by: Rob Barnes 
---
M src/mainboard/google/guybrush/variants/dewatt/overridetree.cb
1 file changed, 4 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Kenneth Chan: Looks good to me, but someone else must approve
  Rob Barnes: Looks good to me, approved

diff --git a/src/mainboard/google/guybrush/variants/dewatt/overridetree.cb b/src/mainboard/google/guybrush/variants/dewatt/overridetree.cb
index 5366d68..f34bac8 100644
--- a/src/mainboard/google/guybrush/variants/dewatt/overridetree.cb
+++ b/src/mainboard/google/guybrush/variants/dewatt/overridetree.cb
@@ -58,6 +58,10 @@
    	},
    }"

+        # general purpose PCIe clock output configuration
+        register "gpp_clk_config[1]" = "GPP_CLK_OFF"
+        register "gpp_clk_config[2]" = "GPP_CLK_OFF"
+
    # I2C Config
    #+-------------------+---------------------------+
    #| Field             |  Value                    |