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[1/2] dt-bindings: PCI: mediatek-gen3: Add property to disable dvfsrc voltage request

Message ID 20210514065927.20774-2-jianjun.wang@mediatek.com
State Superseded, archived
Headers show
Series PCI: mediatek-gen3: Add support for disable dvfsrc | expand

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Commit Message

Jianjun Wang (王建军) May 14, 2021, 6:59 a.m. UTC
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>
---
 .../devicetree/bindings/pci/mediatek-pcie-gen3.yaml       | 8 ++++++++
 1 file changed, 8 insertions(+)
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Patch

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>,