| Message ID | 20210611114824.14537-2-jianjun.wang@mediatek.com (mailing list archive) |
|---|---|
| State | Superseded |
| Delegated to: | Lorenzo Pieralisi |
| Headers | show |
| Series | PCI: mediatek-gen3: Add support for disable dvfsrc | expand |
Hi Rob, Bjorn, Matthias, Could you please help to take a look at this patch series? We have done the internal tests and need to implement this function in the final product, We really need your suggestions. Thanks. On Fri, 2021-06-11 at 19:48 +0800, Jianjun Wang wrote: > Add property to disable dvfsrc voltage request, if this property > is presented, we assume that the requested voltage is always > higher enough to keep the PCIe controller active. > > Signed-off-by: Jianjun Wang <jianjun.wang@mediatek.com> > Reviewed-by: Qizhong Cheng <qizhong.cheng@mediatek.com> > Tested-by: Qizhong Cheng <qizhong.cheng@mediatek.com> > --- > .../devicetree/bindings/pci/mediatek-pcie-gen3.yaml | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml b/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml > index e7b1f9892da4..3e26c032cea9 100644 > --- a/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml > +++ b/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml > @@ -96,6 +96,12 @@ properties: > phys: > maxItems: 1 > > + disable-dvfsrc-vlt-req: > + description: Disable dvfsrc voltage request, if this property is presented, > + we assume that the requested voltage is always higher enough to keep > + the PCIe controller active. > + type: boolean > + > '#interrupt-cells': > const: 1 > > @@ -166,6 +172,8 @@ examples: > <&infracfg_rst 3>; > reset-names = "phy", "mac"; > > + disable-dvfsrc-vlt-req; > + > #interrupt-cells = <1>; > interrupt-map-mask = <0 0 0 0x7>; > interrupt-map = <0 0 0 1 &pcie_intc 0>,
diff --git a/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml b/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml index e7b1f9892da4..3e26c032cea9 100644 --- a/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml +++ b/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml @@ -96,6 +96,12 @@ properties: phys: maxItems: 1 + disable-dvfsrc-vlt-req: + description: Disable dvfsrc voltage request, if this property is presented, + we assume that the requested voltage is always higher enough to keep + the PCIe controller active. + type: boolean + '#interrupt-cells': const: 1 @@ -166,6 +172,8 @@ examples: <&infracfg_rst 3>; reset-names = "phy", "mac"; + disable-dvfsrc-vlt-req; + #interrupt-cells = <1>; interrupt-map-mask = <0 0 0 0x7>; interrupt-map = <0 0 0 1 &pcie_intc 0>,