Add "power-domains" usage (optional) related binding to power up ECAM
compliant PCIe root complex.
Signed-off-by: Mayank Rana <quic_mrana@xxxxxxxxxxx>
---
Documentation/devicetree/bindings/pci/host-generic-pci.yaml | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/Documentation/devicetree/bindings/pci/host-generic-pci.yaml b/Documentation/devicetree/bindings/pci/host-generic-pci.yaml
index 3484e0b..9c714fa 100644
--- a/Documentation/devicetree/bindings/pci/host-generic-pci.yaml
+++ b/Documentation/devicetree/bindings/pci/host-generic-pci.yaml
@@ -110,6 +110,12 @@ properties:
iommu-map-mask: true
msi-parent: true
+ power-domains:
+ maxItems: 1
+ description:
+ A phandle to the node that controls power or/and system resource or interface to firmware
+ to enable ECAM compliant PCIe root complex.
+
required:
- compatible
- reg
@@ -172,6 +178,7 @@ examples:
// PCI_DEVICE(3) INT#(1)
interrupt-map-mask = <0xf800 0x0 0x0 0x7>;
+ power-domains = <&scmi5_pd 0>;
};
};
...
--
2.7.4
