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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2018-06-21 13:44:30 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2018-06-22 08:16:13 +0200 |
| commit | e4067b75fb6ca83a58b2c342a0b3ee12e1223c4e (patch) | |
| tree | be013bf46292f4696ac776bc91c1cf35b7adab24 /dts/Bindings/phy/qcom-qusb2-phy.txt | |
| parent | fe040e0977fab29216f5039e8f9b04e6dbec859a (diff) | |
| download | barebox-e4067b75fb6ca83a58b2c342a0b3ee12e1223c4e.tar.gz barebox-e4067b75fb6ca83a58b2c342a0b3ee12e1223c4e.tar.xz | |
dts: update to v4.18-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/phy/qcom-qusb2-phy.txt')
| -rw-r--r-- | dts/Bindings/phy/qcom-qusb2-phy.txt | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/dts/Bindings/phy/qcom-qusb2-phy.txt b/dts/Bindings/phy/qcom-qusb2-phy.txt index 42c9742683..03025d9799 100644 --- a/dts/Bindings/phy/qcom-qusb2-phy.txt +++ b/dts/Bindings/phy/qcom-qusb2-phy.txt @@ -6,7 +6,7 @@ QUSB2 controller supports LS/FS/HS usb connectivity on Qualcomm chipsets. Required properties: - compatible: compatible list, contains "qcom,msm8996-qusb2-phy" for 14nm PHY on msm8996, - "qcom,qusb2-v2-phy" for QUSB2 V2 PHY. + "qcom,sdm845-qusb2-phy" for 10nm PHY on sdm845. - reg: offset and length of the PHY register set. - #phy-cells: must be 0. @@ -27,6 +27,27 @@ Optional properties: tuning parameter value for qusb2 phy. - qcom,tcsr-syscon: Phandle to TCSR syscon register region. + - 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). + - 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). + 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). + 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). + Default value is full-bit width for sdm845. Example: hsusb_phy: phy@7411000 { |