Duncan Laurie (dlaurie@chromium.org) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/18397
-gerrit
commit dfba2951494807d07adbcad60d85288bc259563f Author: Duncan Laurie dlaurie@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@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