[coreboot-gerrit] Patch set updated for coreboot: google/eve: Set touchscreen I2C bus speed to 1MHz
Duncan Laurie (dlaurie@chromium.org)
gerrit at coreboot.org
Sat Feb 18 03:38:04 CET 2017
Duncan Laurie (dlaurie at chromium.org) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/18397
-gerrit
commit 01c088cafdc7a0260bb477cc8f636500886ff337
Author: Duncan Laurie <dlaurie at chromium.org>
Date: Fri Feb 17 17:27:51 2017 -0800
google/eve: Set touchscreen I2C bus speed to 1MHz
Enable Fast-Plus speed for the touchscreen device so it can
be used at 1MHz instead of 400KHz.
BUG=chrome-os-partner:61277
TEST=manual testing on Eve P1, needs backported kernel patches
to actually make use of any I2C speed other than 400KHz
Change-Id: I3f44ff4a02a02a7b05e69ad54d4c6d60e5878393
Signed-off-by: Duncan Laurie <dlaurie at chromium.org>
---
src/mainboard/google/eve/devicetree.cb | 1 +
1 file changed, 1 insertion(+)
diff --git a/src/mainboard/google/eve/devicetree.cb b/src/mainboard/google/eve/devicetree.cb
index 9d46915..e5744e3 100644
--- a/src/mainboard/google/eve/devicetree.cb
+++ b/src/mainboard/google/eve/devicetree.cb
@@ -210,6 +210,7 @@ chip soc/intel/skylake
register "generic.cid" = "PNP0C50_CID"
register "generic.desc" = "WCOM_DT_DESC"
register "generic.irq" = "IRQ_LEVEL_LOW(GPP_E7_IRQ)"
+ register "generic.speed" = "I2C_SPEED_FAST_PLUS"
register "hid_desc_reg_offset" = "0x1"
device i2c 0a on end
end
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