From: Sandeep Maheswaram <sanm@codeaurora.org>
To: Andy Gross <agross@kernel.org>,
Kishon Vijay Abraham I <kishon@ti.com>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>
Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
Manu Gautam <mgautam@codeaurora.org>,
Sandeep Maheswaram <sanm@codeaurora.org>
Subject: [PATCH 2/2] dt-bindings: phy-qcom-qusb2: Add SC7180 QUSB2 phy support
Date: Thu, 31 Oct 2019 11:08:07 +0530 [thread overview]
Message-ID: <1572500287-21353-3-git-send-email-sanm@codeaurora.org> (raw)
In-Reply-To: <1572500287-21353-1-git-send-email-sanm@codeaurora.org>
Add QUSB2 phy entries for SC7180 in device tree bindings.
Signed-off-by: Sandeep Maheswaram <sanm@codeaurora.org>
---
Documentation/devicetree/bindings/phy/qcom-qusb2-phy.txt | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/Documentation/devicetree/bindings/phy/qcom-qusb2-phy.txt b/Documentation/devicetree/bindings/phy/qcom-qusb2-phy.txt
index fe29f9e..d46fca7 100644
--- a/Documentation/devicetree/bindings/phy/qcom-qusb2-phy.txt
+++ b/Documentation/devicetree/bindings/phy/qcom-qusb2-phy.txt
@@ -8,6 +8,7 @@ Required properties:
"qcom,msm8996-qusb2-phy" for 14nm PHY on msm8996,
"qcom,msm8998-qusb2-phy" for 10nm PHY on msm8998,
"qcom,sdm845-qusb2-phy" for 10nm PHY on sdm845.
+ "qcom,sc7180-qusb2-phy" for 8nm PHY on sc7180.
- reg: offset and length of the PHY register set.
- #phy-cells: must be 0.
@@ -31,23 +32,23 @@ Optional properties:
- qcom,imp-res-offset-value: It is a 6 bit value that specifies offset to be
added to PHY refgen RESCODE via IMP_CTRL1 register. It is a PHY
tuning parameter that may vary for different boards of same SOC.
- This property is applicable to only QUSB2 v2 PHY (sdm845).
+ This property is applicable to only QUSB2 v2 PHY (sdm845,sc7180).
- qcom,hstx-trim-value: It is a 4 bit value that specifies tuning for HSTX
output current.
Possible range is - 15mA to 24mA (stepsize of 600 uA).
See dt-bindings/phy/phy-qcom-qusb2.h for applicable values.
- This property is applicable to only QUSB2 v2 PHY (sdm845).
+ This property is applicable to only QUSB2 v2 PHY (sdm845,sc7180).
Default value is 22.2mA for sdm845.
- qcom,preemphasis-level: It is a 2 bit value that specifies pre-emphasis level.
Possible range is 0 to 15% (stepsize of 5%).
See dt-bindings/phy/phy-qcom-qusb2.h for applicable values.
- This property is applicable to only QUSB2 v2 PHY (sdm845).
+ This property is applicable to only QUSB2 v2 PHY (sdm845,sc7180).
Default value is 10% for sdm845.
- qcom,preemphasis-width: It is a 1 bit value that specifies how long the HSTX
pre-emphasis (specified using qcom,preemphasis-level) must be in
effect. Duration could be half-bit of full-bit.
See dt-bindings/phy/phy-qcom-qusb2.h for applicable values.
- This property is applicable to only QUSB2 v2 PHY (sdm845).
+ This property is applicable to only QUSB2 v2 PHY (sdm845,sc7180).
Default value is full-bit width for sdm845.
Example:
--
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
of Code Aurora Forum, hosted by The Linux Foundation
next prev parent reply other threads:[~2019-10-31 5:38 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-31 5:38 [PATCH 0/2] Add QUSB2 PHY support for SC7180 Sandeep Maheswaram
2019-10-31 5:38 ` [PATCH 1/2] phy: qcom-qusb2: " Sandeep Maheswaram
2019-10-31 5:38 ` Sandeep Maheswaram [this message]
2019-11-04 21:50 ` [PATCH 2/2] dt-bindings: phy-qcom-qusb2: Add SC7180 QUSB2 phy support Stephen Boyd
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