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[v6,03/13] dt-bindings: PCI: brcmstb: Add 7712 SoC description

Message ID 20240815225731.40276-4-james.quinlan@broadcom.com (mailing list archive)
State New, archived
Headers show
Series PCI: brcnstb: Enable STB 7712 SOC | expand

Commit Message

Jim Quinlan Aug. 15, 2024, 10:57 p.m. UTC 
Add description for the 7712 SoC, a Broadcom STB sibling chip of the RPi 5.
The 7712 uses three reset controllers: rescal, for phy reset calibration;
bridge, for the bridge between the PCIe bus and the memory bus; and swinit,
which is a "soft" initialization of the PCIe HW.

Signed-off-by: Jim Quinlan <james.quinlan@broadcom.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
 .../bindings/pci/brcm,stb-pcie.yaml           | 28 +++++++++++++++++--
 1 file changed, 26 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml b/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml
index 7d2552192153..0925c520195a 100644
--- a/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml
+++ b/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml
@@ -21,6 +21,7 @@  properties:
           - brcm,bcm7425-pcie # Broadcom 7425 MIPs
           - brcm,bcm7435-pcie # Broadcom 7435 MIPs
           - brcm,bcm7445-pcie # Broadcom 7445 Arm
+          - brcm,bcm7712-pcie # Broadcom STB sibling of Rpi 5
 
   reg:
     maxItems: 1
@@ -96,10 +97,12 @@  properties:
       maxItems: 3
 
   resets:
-    maxItems: 1
+    minItems: 1
+    maxItems: 3
 
   reset-names:
-    maxItems: 1
+    minItems: 1
+    maxItems: 3
 
 required:
   - compatible
@@ -151,6 +154,27 @@  allOf:
         - resets
         - reset-names
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: brcm,bcm7712-pcie
+    then:
+      properties:
+        resets:
+          minItems: 3
+          maxItems: 3
+
+        reset-names:
+          items:
+            - const: rescal
+            - const: bridge
+            - const: swinit
+
+      required:
+        - resets
+        - reset-names
+
 unevaluatedProperties: false
 
 examples: