[PATCH 1/2] dt-bindings: PCI: mediatek-gen3: Add property to disable dvfsrc voltage request
From: Jianjun Wang <hidden>
Date: 2021-05-14 07:00:35
Also in:
linux-arm-kernel, linux-mediatek, linux-pci, lkml
Subsystem:
open firmware and flattened device tree bindings, pci native host bridge and endpoint drivers, pci subsystem, pcie driver for mediatek, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Lorenzo Pieralisi, Krzysztof Wilczyński, Manivannan Sadhasivam, Bjorn Helgaas, Ryder Lee, Linus Torvalds
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 <redacted> --- .../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>,
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2.25.1