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authorFrank_Chu <frank_chu@pegatron.corp-partner.google.com>2019-08-01 09:33:27 +0800
committerMartin Roth <martinroth@google.com>2019-08-03 17:32:18 +0000
commit641e0f68417bfff7fe11b854df04987a6c31c81b (patch)
treeaec0be80738a8fb24692b8ce5484013c9b5fc20b /src/mainboard
parentb9df3bc5f708149e8f4c4b81c911a46a559a6d00 (diff)
downloadcoreboot-641e0f68417bfff7fe11b854df04987a6c31c81b.tar.xz
mb/google/hatch/variants/helios: Adjust all I2C CLK and I2C0 SDA hold time
After adjustment Touch Pad CLK: 383.4 KHz Touch Screen CLK: 381.6 KHz Audio codec CLK: 386.0 KHz TouchPad SDA hold time: 0.325ns BUG=b:137722634 BRANCH=none TEST=emerge-hatch coreboot chromeos-bootimage Signed-off-by: Frank_Chu <frank_chu@pegatron.corp-partner.google.com> Change-Id: I27dec2f3e00eb6618cc429aff3dae7a5d937d638 Reviewed-on: https://review.coreboot.org/c/coreboot/+/34647 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Paul Fagerburg <pfagerburg@chromium.org> Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Diffstat (limited to 'src/mainboard')
-rw-r--r--src/mainboard/google/hatch/variants/helios/overridetree.cb12
1 files changed, 12 insertions, 0 deletions
diff --git a/src/mainboard/google/hatch/variants/helios/overridetree.cb b/src/mainboard/google/hatch/variants/helios/overridetree.cb
index cedf046e5f..f97f120e7b 100644
--- a/src/mainboard/google/hatch/variants/helios/overridetree.cb
+++ b/src/mainboard/google/hatch/variants/helios/overridetree.cb
@@ -29,12 +29,24 @@ chip soc/intel/cannonlake
register "common_soc_config" = "{
.i2c[0] = {
.speed = I2C_SPEED_FAST,
+ .rise_time_ns = 50,
+ .fall_time_ns = 15,
+ .data_hold_time_ns = 330,
},
.i2c[1] = {
.speed = I2C_SPEED_FAST,
+ .rise_time_ns = 60,
+ .fall_time_ns = 25,
+ },
+ .i2c[3] = {
+ .speed = I2C_SPEED_FAST,
+ .rise_time_ns = 150,
+ .fall_time_ns = 150,
},
.i2c[4] = {
.speed = I2C_SPEED_FAST,
+ .rise_time_ns = 120,
+ .fall_time_ns = 120,
},
.gspi[0] = {
.speed_mhz = 1,