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

From: Jian Yang
Date: Mon Mar 06 2023 - 01:41:29 EST


From: "jian.yang" <jian.yang@xxxxxxxxxxxx>

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

Signed-off-by: jian.yang <jian.yang@xxxxxxxxxxxx>
---
.../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