<p>Chris Zhou has uploaded this change for <strong>review</strong>.</p><p><a href="https://review.coreboot.org/28760">View Change</a></p><pre style="font-family: monospace,monospace; white-space: pre-wrap;">mb/google/octopus: Touchpad I2C CLK over spec<br><br>Need to tune I2C bus 6 clock frequency under the 400K Hz<br><br>Bug=b:115600671<br>TEST=flash coreboot to the DUT and measure I2C bus 6 clock<br>frequency whether arrive to 398.07K Hz<br><br>Change-Id: I5cc1f67f0db0553cb8424f81408ed4686cddb2fb<br>Signed-off-by: Chris Zhou <chris_zhou@compal.corp-partner.google.com><br>---<br>M src/mainboard/google/octopus/variants/fleex/overridetree.cb<br>1 file changed, 41 insertions(+), 0 deletions(-)<br><br></pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;">git pull ssh://review.coreboot.org:29418/coreboot refs/changes/60/28760/1</pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;"><span>diff --git a/src/mainboard/google/octopus/variants/fleex/overridetree.cb b/src/mainboard/google/octopus/variants/fleex/overridetree.cb</span><br><span>index 179b8f4..792e057 100644</span><br><span>--- a/src/mainboard/google/octopus/variants/fleex/overridetree.cb</span><br><span>+++ b/src/mainboard/google/octopus/variants/fleex/overridetree.cb</span><br><span>@@ -1,5 +1,46 @@</span><br><span> chip soc/intel/apollolake</span><br><span> </span><br><span style="color: hsl(120, 100%, 40%);">+ # Intel Common SoC Config</span><br><span style="color: hsl(120, 100%, 40%);">+ #+-------------------+---------------------------+</span><br><span style="color: hsl(120, 100%, 40%);">+ #| Field | Value |</span><br><span style="color: hsl(120, 100%, 40%);">+ #+-------------------+---------------------------+</span><br><span style="color: hsl(120, 100%, 40%);">+ #| GSPI0 | cr50 TPM. Early init is |</span><br><span style="color: hsl(120, 100%, 40%);">+ #| | required to set up a BAR |</span><br><span style="color: hsl(120, 100%, 40%);">+ #| | for TPM communication |</span><br><span style="color: hsl(120, 100%, 40%);">+ #| | before memory is up |</span><br><span style="color: hsl(120, 100%, 40%);">+ #| I2C5 | Audio |</span><br><span style="color: hsl(120, 100%, 40%);">+ #| I2C6 | Trackpad |</span><br><span style="color: hsl(120, 100%, 40%);">+ #| I2C7 | Touchscreen |</span><br><span style="color: hsl(120, 100%, 40%);">+ #+-------------------+---------------------------+</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ register "common_soc_config" = "{</span><br><span style="color: hsl(120, 100%, 40%);">+ .gspi[0] = {</span><br><span style="color: hsl(120, 100%, 40%);">+ .speed_mhz = 1,</span><br><span style="color: hsl(120, 100%, 40%);">+ .early_init = 1,</span><br><span style="color: hsl(120, 100%, 40%);">+ },</span><br><span style="color: hsl(120, 100%, 40%);">+ .i2c[0] = {</span><br><span style="color: hsl(120, 100%, 40%);">+ .speed = I2C_SPEED_FAST,</span><br><span style="color: hsl(120, 100%, 40%);">+ .rise_time_ns = 152,</span><br><span style="color: hsl(120, 100%, 40%);">+ .fall_time_ns = 30,</span><br><span style="color: hsl(120, 100%, 40%);">+ },</span><br><span style="color: hsl(120, 100%, 40%);">+ .i2c[5] = {</span><br><span style="color: hsl(120, 100%, 40%);">+ .speed = I2C_SPEED_FAST,</span><br><span style="color: hsl(120, 100%, 40%);">+ .rise_time_ns = 104,</span><br><span style="color: hsl(120, 100%, 40%);">+ .fall_time_ns = 52,</span><br><span style="color: hsl(120, 100%, 40%);">+ },</span><br><span style="color: hsl(120, 100%, 40%);">+ .i2c[6] = {</span><br><span style="color: hsl(120, 100%, 40%);">+ .speed = I2C_SPEED_FAST,</span><br><span style="color: hsl(120, 100%, 40%);">+ .rise_time_ns = 66,</span><br><span style="color: hsl(120, 100%, 40%);">+ .fall_time_ns = 90,</span><br><span style="color: hsl(120, 100%, 40%);">+ .data_hold_time_ns = 350,</span><br><span style="color: hsl(120, 100%, 40%);">+ },</span><br><span style="color: hsl(120, 100%, 40%);">+ .i2c[7] = {</span><br><span style="color: hsl(120, 100%, 40%);">+ .speed = I2C_SPEED_FAST,</span><br><span style="color: hsl(120, 100%, 40%);">+ .rise_time_ns = 76,</span><br><span style="color: hsl(120, 100%, 40%);">+ .fall_time_ns = 164,</span><br><span style="color: hsl(120, 100%, 40%);">+ },</span><br><span style="color: hsl(120, 100%, 40%);">+ }"</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span> device domain 0 on</span><br><span> device pci 16.1 off end # - I2C 1</span><br><span> device pci 17.1 on</span><br><span></span><br></pre><p>To view, visit <a href="https://review.coreboot.org/28760">change 28760</a>. 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<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: I5cc1f67f0db0553cb8424f81408ed4686cddb2fb </div>
<div style="display:none"> Gerrit-Change-Number: 28760 </div>
<div style="display:none"> Gerrit-PatchSet: 1 </div>
<div style="display:none"> Gerrit-Owner: Chris Zhou <chris_zhou@compal.corp-partner.google.com> </div>