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Date: Wed, 30 Jun 2021 10:49:33 +0800 From: Jianjun Wang <jianjun.wang@...iatek.com> To: Bjorn Helgaas <bhelgaas@...gle.com>, Rob Herring <robh+dt@...nel.org>, Lorenzo Pieralisi <lorenzo.pieralisi@....com>, Ryder Lee <ryder.lee@...iatek.com>, Matthias Brugger <matthias.bgg@...il.com> CC: <linux-pci@...r.kernel.org>, <linux-mediatek@...ts.infradead.org>, <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>, Jianjun Wang <jianjun.wang@...iatek.com>, <youlin.pei@...iatek.com>, <chuanjia.liu@...iatek.com>, <qizhong.cheng@...iatek.com>, <ot_jieyang@...iatek.com>, <drinkcat@...omium.org>, <Rex-BC.Chen@...iatek.com>, Krzysztof Wilczyski <kw@...ux.com>, <Ryan-JH.Yu@...iatek.com> Subject: [PATCH v3 1/2] dt-bindings: PCI: mediatek-gen3: Add property to disable dvfsrc voltage request 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@...iatek.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>, -- 2.18.0
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