From 658a6dc78de74509d977f71664592e8a77cdec97 Mon Sep 17 00:00:00 2001 From: Duncan Laurie Date: Fri, 17 Feb 2017 17:27:51 -0800 Subject: [PATCH] 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 Reviewed-on: https://review.coreboot.org/18397 Reviewed-by: Furquan Shaikh Tested-by: build bot (Jenkins) Reviewed-by: Paul Menzel --- 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 9d46915e43..e5744e3754 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