[PATCH v2 1/2] dt-bindings: PCI: mediatek-gen3: Add support for controlling power and reset

[Jian Yang <jian.yang@mediatek.com>]

From: "jian.yang" <jian.yang@mediatek.com>

Add new properties to support control power supplies and reset pin of
a downstream component.

Signed-off-by: jian.yang <jian.yang@mediatek.com>
---
 .../bindings/pci/mediatek-pcie-gen3.yaml        | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml b/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
index 7e8c7a2a5f9b..a59f9d0a782e 100644
--- a/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
+++ b/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
@@ -84,6 +84,23 @@ properties:
     items:
       enum: [ phy, mac ]
 
+  pcie1v8-supply:
+    description:
+      The regulator phandle that provides 1.8V power to a downstream component.
+
+  pcie3v3-supply:
+    description:
+      The regulator phandle that provides 3.3V power to a downstream component.
+
+  pcie12v-supply:
+    description:
+      The regulator phandle that provides 12V power to a downstream component.
+
+  dsc-reset-gpios:
+    description:
+      The extra reset pin other than PERST# required by a downstream component.
+    maxItems: 1
+
   clocks:
     minItems: 4
     maxItems: 6
-- 
2.18.0