[PATCH v13 1/5] dt-bindings: PCI: ti,j721e-pci-*: add checks for num-lanes

Siddharth Vadapalli
2023-11-28T05:45:04Z

Add num-lanes schema checks based on compatible string on available lanes
for that platform.

Signed-off-by: Matt Ranostay <mranostay@ti.com>
Signed-off-by: Achal Verma <a-verma1@ti.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com>
---
.../bindings/pci/ti,j721e-pci-ep.yaml | 27 ++++++++++++++++---
.../bindings/pci/ti,j721e-pci-host.yaml | 27 ++++++++++++++++---
2 files changed, 48 insertions(+), 6 deletions(-)

diff --git a/Documentation/devicetree/bindings/pci/ti,j721e-pci-ep.yaml b/Documentation/devicetree/bindings/pci/ti,j721e-pci-ep.yaml
index 62292185fe2e..162e5c2906e1 100644
--- a/Documentation/devicetree/bindings/pci/ti,j721e-pci-ep.yaml
+++ b/Documentation/devicetree/bindings/pci/ti,j721e-pci-ep.yaml
@@ -10,9 +10,6 @@ title: TI J721E PCI EP (PCIe Wrapper)
maintainers:
- Kishon Vijay Abraham I <kishon@ti.com>

-allOf:
- - $ref: cdns-pcie-ep.yaml#
-
properties:
compatible:
oneOf:
@@ -65,6 +62,30 @@ properties:
items:
- const: link_state

+allOf:
+ - $ref: cdns-pcie-ep.yaml#
+ - if:
+ properties:
+ compatible:
+ enum:
+ - ti,am64-pcie-ep
+ then:
+ properties:
+ num-lanes:
+ const: 1
+
+ - if:
+ properties:
+ compatible:
+ enum:
+ - ti,j7200-pcie-ep
+ - ti,j721e-pcie-ep
+ then:
+ properties:
+ num-lanes:
+ minimum: 1
+ maximum: 2
+
required:
- compatible
- reg
diff --git a/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml b/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml
index a2c5eaea57f5..854dc9e08dcf 100644
--- a/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml
+++ b/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml
@@ -10,9 +10,6 @@ title: TI J721E PCI Host (PCIe Wrapper)
maintainers:
- Kishon Vijay Abraham I <kishon@ti.com>

-allOf:
- - $ref: cdns-pcie-host.yaml#
-
properties:
compatible:
oneOf:
@@ -94,6 +91,30 @@ properties:
interrupts:
maxItems: 1

+allOf:
+ - $ref: cdns-pcie-host.yaml#
+ - if:
+ properties:
+ compatible:
+ enum:
+ - ti,am64-pcie-host
+ then:
+ properties:
+ num-lanes:
+ const: 1
+
+ - if:
+ properties:
+ compatible:
+ enum:
+ - ti,j7200-pcie-host
+ - ti,j721e-pcie-host
+ then:
+ properties:
+ num-lanes:
+ minimum: 1
+ maximum: 2
+
required:
- compatible
- reg