| Message ID | 20240913083724.1217691-3-quic_qianyu@quicinc.com (mailing list archive) |
|---|---|
| State | Not Applicable, archived |
| Headers | show |
| Series | Add support for PCIe3 on x1e80100 | expand |
On Fri, Sep 13, 2024 at 01:37:21AM GMT, Qiang Yu wrote: > Add OPP table so that PCIe is able to adjust power domain performance > state and ICC peak bw according to PCIe gen speed and link width. > > Signed-off-by: Qiang Yu <quic_qianyu@quicinc.com> > --- > Documentation/devicetree/bindings/pci/qcom,pcie-x1e80100.yaml | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie-x1e80100.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie-x1e80100.yaml > index a9db0a231563..e2d6719ca54d 100644 > --- a/Documentation/devicetree/bindings/pci/qcom,pcie-x1e80100.yaml > +++ b/Documentation/devicetree/bindings/pci/qcom,pcie-x1e80100.yaml > @@ -70,6 +70,10 @@ properties: > - const: pci # PCIe core reset > - const: link_down # PCIe link down reset > > + operating-points-v2: true > + opp-table: > + type: object I think these properties are generic enough and we might want to have them for most if not all platforms. Maybe we should move them to qcom,pcie-common.yaml? Krzysztof, Mani, WDYT? > + > allOf: > - $ref: qcom,pcie-common.yaml# > > -- > 2.34.1 > > > -- > linux-phy mailing list > linux-phy@lists.infradead.org > https://lists.infradead.org/mailman/listinfo/linux-phy
On Fri, Sep 13, 2024 at 03:30:59PM +0300, Dmitry Baryshkov wrote: > On Fri, Sep 13, 2024 at 01:37:21AM GMT, Qiang Yu wrote: > > Add OPP table so that PCIe is able to adjust power domain performance > > state and ICC peak bw according to PCIe gen speed and link width. > > > > Signed-off-by: Qiang Yu <quic_qianyu@quicinc.com> > > --- > > Documentation/devicetree/bindings/pci/qcom,pcie-x1e80100.yaml | 4 ++++ > > 1 file changed, 4 insertions(+) > > > > diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie-x1e80100.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie-x1e80100.yaml > > index a9db0a231563..e2d6719ca54d 100644 > > --- a/Documentation/devicetree/bindings/pci/qcom,pcie-x1e80100.yaml > > +++ b/Documentation/devicetree/bindings/pci/qcom,pcie-x1e80100.yaml > > @@ -70,6 +70,10 @@ properties: > > - const: pci # PCIe core reset > > - const: link_down # PCIe link down reset > > > > + operating-points-v2: true > > + opp-table: > > + type: object > > I think these properties are generic enough and we might want to have > them for most if not all platforms. Maybe we should move them to > qcom,pcie-common.yaml? > Agree. It should be moved to qcom,pcie-common.yaml. - Mani > Krzysztof, Mani, WDYT? > > > + > > allOf: > > - $ref: qcom,pcie-common.yaml# > > > > -- > > 2.34.1 > > > > > > -- > > linux-phy mailing list > > linux-phy@lists.infradead.org > > https://lists.infradead.org/mailman/listinfo/linux-phy > > -- > With best wishes > Dmitry
On Fri, Sep 13, 2024 at 01:37:21AM -0700, Qiang Yu wrote: > Add OPP table so that PCIe is able to adjust power domain performance > state and ICC peak bw according to PCIe gen speed and link width. > > Signed-off-by: Qiang Yu <quic_qianyu@quicinc.com> > --- > Documentation/devicetree/bindings/pci/qcom,pcie-x1e80100.yaml | 4 ++++ > 1 file changed, 4 insertions(+) Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org> Best regards, Krzysztof
On Fri, Sep 13, 2024 at 07:06:19PM +0530, Manivannan Sadhasivam wrote: > On Fri, Sep 13, 2024 at 03:30:59PM +0300, Dmitry Baryshkov wrote: > > On Fri, Sep 13, 2024 at 01:37:21AM GMT, Qiang Yu wrote: > > > Add OPP table so that PCIe is able to adjust power domain performance > > > state and ICC peak bw according to PCIe gen speed and link width. > > > > > > Signed-off-by: Qiang Yu <quic_qianyu@quicinc.com> > > > --- > > > Documentation/devicetree/bindings/pci/qcom,pcie-x1e80100.yaml | 4 ++++ > > > 1 file changed, 4 insertions(+) > > > > > > diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie-x1e80100.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie-x1e80100.yaml > > > index a9db0a231563..e2d6719ca54d 100644 > > > --- a/Documentation/devicetree/bindings/pci/qcom,pcie-x1e80100.yaml > > > +++ b/Documentation/devicetree/bindings/pci/qcom,pcie-x1e80100.yaml > > > @@ -70,6 +70,10 @@ properties: > > > - const: pci # PCIe core reset > > > - const: link_down # PCIe link down reset > > > > > > + operating-points-v2: true > > > + opp-table: > > > + type: object > > > > I think these properties are generic enough and we might want to have > > them for most if not all platforms. Maybe we should move them to > > qcom,pcie-common.yaml? > > > > Agree. It should be moved to qcom,pcie-common.yaml. Yep, ack. Best regards, Krzysztof
diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie-x1e80100.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie-x1e80100.yaml index a9db0a231563..e2d6719ca54d 100644 --- a/Documentation/devicetree/bindings/pci/qcom,pcie-x1e80100.yaml +++ b/Documentation/devicetree/bindings/pci/qcom,pcie-x1e80100.yaml @@ -70,6 +70,10 @@ properties: - const: pci # PCIe core reset - const: link_down # PCIe link down reset + operating-points-v2: true + opp-table: + type: object + allOf: - $ref: qcom,pcie-common.yaml#
Add OPP table so that PCIe is able to adjust power domain performance state and ICC peak bw according to PCIe gen speed and link width. Signed-off-by: Qiang Yu <quic_qianyu@quicinc.com> --- Documentation/devicetree/bindings/pci/qcom,pcie-x1e80100.yaml | 4 ++++ 1 file changed, 4 insertions(+)