diff mbox series

[v3,1/3] dt-bindings: PCI: qcom: ep: Add interconnects path

Message ID 1686311249-6857-2-git-send-email-quic_krichai@quicinc.com
State New
Headers show
Series PCI: qcom: ep: Add basic interconnect support | expand

Commit Message

Krishna chaitanya chundru June 9, 2023, 11:47 a.m. UTC 
Some platforms may not boot if a device driver doesn't initialize
the interconnect path. Mostly it is handled by the bootloader but
we have starting to see cases where bootloader simply ignores them.

Add the "pcie-mem" interconnect path as a required property to the
bindings.

Signed-off-by: Krishna chaitanya chundru <quic_krichai@quicinc.com>
---
 Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml | 11 +++++++++++
 1 file changed, 11 insertions(+)
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml
index b3c22eb..656e362 100644
--- a/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml
+++ b/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml
@@ -70,6 +70,13 @@  properties:
     description: GPIO used as WAKE# output signal
     maxItems: 1
 
+  interconnects:
+    maxItems: 1
+
+  interconnect-names:
+    items:
+      - const: pcie-mem
+
   resets:
     maxItems: 1
 
@@ -97,6 +104,8 @@  required:
   - interrupts
   - interrupt-names
   - reset-gpios
+  - interconnects
+  - interconnect-names
   - resets
   - reset-names
   - power-domains
@@ -194,6 +203,8 @@  examples:
         interrupt-names = "global", "doorbell";
         reset-gpios = <&tlmm 57 GPIO_ACTIVE_LOW>;
         wake-gpios = <&tlmm 53 GPIO_ACTIVE_LOW>;
+	interconnects = <&system_noc MASTER_PCIE_0 &mc_virt SLAVE_EBI1>;
+	interconnect-names = "pci-mem";
         resets = <&gcc GCC_PCIE_BCR>;
         reset-names = "core";
         power-domains = <&gcc PCIE_GDSC>;