<p>Kevin Chiu has uploaded this change for <strong>review</strong>.</p><p><a href="https://review.coreboot.org/28119">View Change</a></p><pre style="font-family: monospace,monospace; white-space: pre-wrap;">google/grunt: Update TP/TS/H1 i2c timings<br><br>After adjustment on Careena EVT<br>TP: 396.8 KHz<br>TS: 398.4 KHz<br>H1: 396.8 KHz<br><br>BUG=b:112663934,b:112664258<br>BRANCH=master<br>TEST=emerge-grunt coreboot<br>     measure by scope<br>Change-Id: I9eeaf9290d95969a283f14618878e28faf0ea46f<br>Signed-off-by: Kevin Chiu <Kevin.Chiu@quantatw.com><br>---<br>M src/mainboard/google/kahlee/variants/careena/devicetree.cb<br>1 file changed, 5 insertions(+), 5 deletions(-)<br><br></pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;">git pull ssh://review.coreboot.org:29418/coreboot refs/changes/19/28119/1</pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;"><span>diff --git a/src/mainboard/google/kahlee/variants/careena/devicetree.cb b/src/mainboard/google/kahlee/variants/careena/devicetree.cb</span><br><span>index 61476a2..513bd4e 100644</span><br><span>--- a/src/mainboard/google/kahlee/variants/careena/devicetree.cb</span><br><span>+++ b/src/mainboard/google/kahlee/variants/careena/devicetree.cb</span><br><span>@@ -32,22 +32,22 @@</span><br><span>        register "i2c[1]" = "{</span><br><span>                .early_init = 1,</span><br><span>             .speed = I2C_SPEED_FAST,</span><br><span style="color: hsl(0, 100%, 40%);">-                .rise_time_ns = 84,</span><br><span style="color: hsl(120, 100%, 40%);">+           .rise_time_ns = 45,</span><br><span>          .fall_time_ns = 4,</span><br><span>   }"</span><br><span> </span><br><span>  # Enable I2C2 for trackpad, pen at 400kHz</span><br><span>    register "i2c[2]" = "{</span><br><span>                .speed = I2C_SPEED_FAST,</span><br><span style="color: hsl(0, 100%, 40%);">-                .rise_time_ns = 117,</span><br><span style="color: hsl(0, 100%, 40%);">-            .fall_time_ns = 113,</span><br><span style="color: hsl(120, 100%, 40%);">+          .rise_time_ns = 67,</span><br><span style="color: hsl(120, 100%, 40%);">+           .fall_time_ns = 55,</span><br><span>  }"</span><br><span> </span><br><span>  # Enable I2C3 for touchscreen at 400kHz</span><br><span>      register "i2c[3]" = "{</span><br><span>                .speed = I2C_SPEED_FAST,</span><br><span style="color: hsl(0, 100%, 40%);">-                .rise_time_ns = 82,</span><br><span style="color: hsl(0, 100%, 40%);">-             .fall_time_ns = 67,</span><br><span style="color: hsl(120, 100%, 40%);">+           .rise_time_ns = 22,</span><br><span style="color: hsl(120, 100%, 40%);">+           .fall_time_ns = 19,</span><br><span>  }"</span><br><span> </span><br><span>  device cpu_cluster 0 on</span><br><span></span><br></pre><p>To view, visit <a href="https://review.coreboot.org/28119">change 28119</a>. To unsubscribe, or for help writing mail filters, visit <a href="https://review.coreboot.org/settings">settings</a>.</p><div itemscope itemtype="http://schema.org/EmailMessage"><div itemscope itemprop="action" itemtype="http://schema.org/ViewAction"><link itemprop="url" href="https://review.coreboot.org/28119"/><meta itemprop="name" content="View Change"/></div></div>

<div style="display:none"> Gerrit-Project: coreboot </div>
<div style="display:none"> Gerrit-Branch: master </div>
<div style="display:none"> Gerrit-MessageType: newchange </div>
<div style="display:none"> Gerrit-Change-Id: I9eeaf9290d95969a283f14618878e28faf0ea46f </div>
<div style="display:none"> Gerrit-Change-Number: 28119 </div>
<div style="display:none"> Gerrit-PatchSet: 1 </div>
<div style="display:none"> Gerrit-Owner: Kevin Chiu <Kevin.Chiu@quantatw.com> </div>