arm/dt: usb: smith: Update HSUSB Phy tuning

Decrease the USBHS Squelch threshold adjustment to -20% by setting SQRXTUNE(7:5 in PARAMETER_OVERRIDE_X0) to 111. This will improve USB RX Sensitivity. Set USB2PHY_USB_PHY_PARAMETER_OVERRIDE_X1 - 0xC9 i.e 0x11001001b [Pre-emphasis set to 3x, TXVREFTUNE0 set to 13.30%] Set USB2PHY_USB_PHY_PARAMETER_OVERRIDE_X2 - 0x0D i.e 0x00001100b [TXRESTUNE0 set to 00, TXVRISETUNE0 set to 54.3%] Signed-off-by: Ravi Vembu <[email protected]> Mot-CRs-Fixed: (CR) Change-Id: If7cee28fd8b2436a1f7fe26c20700f4730e669c6 Reviewed-on: https://gerrit.mot.com/1719885 SLTApproved: Slta Waiver SME-Granted: SME Approvals Granted Tested-by: Jira Key Reviewed-by: Ling Jin <[email protected]> Submit-Approved: Jira Key
MotorolaMobilityLLC · Sep 17, 2020 · 6e25cdd · 6e25cdd
1 parent b8d01e9
commit 6e25cdd
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/qcom/lito-smith-common-overlay.dtsi b/qcom/lito-smith-common-overlay.dtsi
@@ -306,8 +306,9 @@
 };
 
 &usb2_phy0 {
-	qcom,param-override-seq = <0xa1 0x6c
-				0x43 0x70>;
+	qcom,param-override-seq = <0xe1 0x6c>,
+				<0xC9 0x70>,
+				<0x0D 0x74>;
 };
 
 &usb_qmp_dp_phy {