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authorJohn Su <john_su@compal.corp-partner.google.com>2020-06-08 17:23:17 +0800
committerPatrick Georgi <pgeorgi@google.com>2020-06-10 18:49:39 +0000
commit02cce9024e7ffc142ddf309bba089a0940a2dd7f (patch)
tree18596381f3340b8e6d26a9c774c6accbe9a8b2ef /src/mainboard/google
parente3c68d2e1bc21dbd5b47925959779aeb57c4a538 (diff)
downloadcoreboot-02cce9024e7ffc142ddf309bba089a0940a2dd7f.tar.xz
mb/google/dedede/variants/waddledoo: Adjust I2Cs CLK to meet spec
After adjustment on waddledoo Touch Pad CLK: 392.9 KHz Touch Screen CLK: 387.4 KHz Audio CLK: 350.9 KHz BUG=b:151302522 BRANCH=master TEST=emerge-dedede coreboot chromeos-bootimage measure by scope with waddledoo. Signed-off-by: John Su <john_su@compal.corp-partner.google.com> Change-Id: Iec02a751f1effdbefbb2969db2fd57f27ecdd033 Reviewed-on: https://review.coreboot.org/c/coreboot/+/42187 Reviewed-by: Justin TerAvest <teravest@chromium.org> Reviewed-by: Karthik Ramasubramanian <kramasub@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard/google')
-rw-r--r--src/mainboard/google/dedede/variants/waddledoo/overridetree.cb10
1 files changed, 6 insertions, 4 deletions
diff --git a/src/mainboard/google/dedede/variants/waddledoo/overridetree.cb b/src/mainboard/google/dedede/variants/waddledoo/overridetree.cb
index 4546c9f026..b8be9268ce 100644
--- a/src/mainboard/google/dedede/variants/waddledoo/overridetree.cb
+++ b/src/mainboard/google/dedede/variants/waddledoo/overridetree.cb
@@ -24,8 +24,8 @@ chip soc/intel/jasperlake
},
.i2c[0] = {
.speed = I2C_SPEED_FAST,
- .rise_time_ns = 66,
- .fall_time_ns = 90,
+ .rise_time_ns = 270,
+ .fall_time_ns = 270,
.data_hold_time_ns = 350,
},
.i2c[1] = {
@@ -33,6 +33,8 @@ chip soc/intel/jasperlake
},
.i2c[2] = {
.speed = I2C_SPEED_FAST,
+ .rise_time_ns = 200,
+ .fall_time_ns = 200,
},
.i2c[3] = {
.speed = I2C_SPEED_FAST,
@@ -41,8 +43,8 @@ chip soc/intel/jasperlake
.speed = I2C_SPEED_FAST,
.speed_config[0] = {
.speed = I2C_SPEED_FAST,
- .scl_lcnt = 176,
- .scl_hcnt = 95,
+ .scl_lcnt = 200,
+ .scl_hcnt = 120,
.sda_hold = 36,
}
},