| Message ID | 20231106-refclk_always_on-v1-1-17a7fd8b532b@quicinc.com (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | phy: qcom-qmp-pcie: Add support to keep refclk always on | expand |
On Mon, Nov 06, 2023 at 05:22:34PM +0530, Krishna chaitanya chundru wrote: > Document qcom,refclk-always-on property which is needed in some platforms > to supply refclk even in PCIe low power states. > > Signed-off-by: Krishna chaitanya chundru <quic_krichai@quicinc.com> > --- > .../devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml > index 2c3d6553a7ba..9daf0556ed3b 100644 > --- a/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml > +++ b/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml > @@ -93,6 +93,11 @@ properties: > "#phy-cells": > const: 0 > > + qcom,refclk-always-on: > + type: boolean > + description: A boolean property indicating the refclk is > + always on even in Low power states (optional) As with the driver patch, please improve this description (and use your 80 characters). It would also be preferable to capture (or at least indicate) the problem that this flash is working around - so that future readers doesn't need to go look in the commit history for the phy driver to figure out what this is doing. Regards, Bjorn > + > required: > - compatible > - reg > > -- > 2.42.0 >
On 11/6/2023 9:50 PM, Bjorn Andersson wrote: > On Mon, Nov 06, 2023 at 05:22:34PM +0530, Krishna chaitanya chundru wrote: >> Document qcom,refclk-always-on property which is needed in some platforms >> to supply refclk even in PCIe low power states. >> >> Signed-off-by: Krishna chaitanya chundru <quic_krichai@quicinc.com> >> --- >> .../devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml | 5 +++++ >> 1 file changed, 5 insertions(+) >> >> diff --git a/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml >> index 2c3d6553a7ba..9daf0556ed3b 100644 >> --- a/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml >> +++ b/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml >> @@ -93,6 +93,11 @@ properties: >> "#phy-cells": >> const: 0 >> >> + qcom,refclk-always-on: >> + type: boolean >> + description: A boolean property indicating the refclk is >> + always on even in Low power states (optional) > As with the driver patch, please improve this description (and use your > 80 characters). > > > It would also be preferable to capture (or at least indicate) the > problem that this flash is working around - so that future readers > doesn't need to go look in the commit history for the phy driver to > figure out what this is doing. > > Regards, > Bjorn Sure I will update this in my next patch. - Krishna Chaitanya. >> + >> required: >> - compatible >> - reg >> >> -- >> 2.42.0 >>
diff --git a/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml index 2c3d6553a7ba..9daf0556ed3b 100644 --- a/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml +++ b/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml @@ -93,6 +93,11 @@ properties: "#phy-cells": const: 0 + qcom,refclk-always-on: + type: boolean + description: A boolean property indicating the refclk is + always on even in Low power states (optional) + required: - compatible - reg
Document qcom,refclk-always-on property which is needed in some platforms to supply refclk even in PCIe low power states. Signed-off-by: Krishna chaitanya chundru <quic_krichai@quicinc.com> --- .../devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml | 5 +++++ 1 file changed, 5 insertions(+)