<p>Martin Roth has uploaded this change for <strong>review</strong>.</p><p><a href="https://review.coreboot.org/25942">View Change</a></p><pre style="font-family: monospace,monospace; white-space: pre-wrap;">mb/google/kahlee: Update i2c timings<br><br>Change the I2c timings to the latest measurements.<br><br>BUG=b:72442912<br>TEST=Boot grunt<br><br>Change-Id: Ib961ec7c2b0a677d9cacdb7d91e5c78173d42017<br>Signed-off-by: Martin Roth <martinroth@google.com><br>---<br>M src/mainboard/google/kahlee/variants/grunt/devicetree.cb<br>1 file changed, 7 insertions(+), 7 deletions(-)<br><br></pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;">git pull ssh://review.coreboot.org:29418/coreboot refs/changes/42/25942/1</pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;"><span>diff --git a/src/mainboard/google/kahlee/variants/grunt/devicetree.cb b/src/mainboard/google/kahlee/variants/grunt/devicetree.cb</span><br><span>index cfc3198..65e9ae8 100644</span><br><span>--- a/src/mainboard/google/kahlee/variants/grunt/devicetree.cb</span><br><span>+++ b/src/mainboard/google/kahlee/variants/grunt/devicetree.cb</span><br><span>@@ -24,30 +24,30 @@</span><br><span>     # Enable I2C0 for audio, USB3 hub at 400kHz</span><br><span>  register "i2c[0]" = "{</span><br><span>                .speed = I2C_SPEED_FAST,</span><br><span style="color: hsl(0, 100%, 40%);">-                .rise_time_ns = 95,</span><br><span style="color: hsl(0, 100%, 40%);">-             .fall_time_ns = 3,</span><br><span style="color: hsl(120, 100%, 40%);">+            .rise_time_ns = 300,</span><br><span style="color: hsl(120, 100%, 40%);">+          .fall_time_ns = 34,</span><br><span>  }"</span><br><span> </span><br><span>  # Enable I2C1 for H1 at 400kHz</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 = 140,</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 = 320,</span><br><span style="color: hsl(120, 100%, 40%);">+          .fall_time_ns = 34,</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 = 320,</span><br><span style="color: hsl(120, 100%, 40%);">+          .fall_time_ns = 34,</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/25942">change 25942</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/25942"/><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: Ib961ec7c2b0a677d9cacdb7d91e5c78173d42017 </div>
<div style="display:none"> Gerrit-Change-Number: 25942 </div>
<div style="display:none"> Gerrit-PatchSet: 1 </div>
<div style="display:none"> Gerrit-Owner: Martin Roth <martinroth@google.com> </div>