linux-kernel - [PATCH v4 02/12] dt-bindings: PCI: brcmstb: Add 7712 SoC description

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Message-Id: <20240716213131.6036-3-james.quinlan@broadcom.com>
Date: Tue, 16 Jul 2024 17:31:17 -0400
From: Jim Quinlan <james.quinlan@...adcom.com>
To: linux-pci@...r.kernel.org,
	Nicolas Saenz Julienne <nsaenz@...nel.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
	Cyril Brulebois <kibi@...ian.org>,
	Stanimir Varbanov <svarbanov@...e.de>,
	Krzysztof Kozlowski <krzk@...nel.org>,
	bcm-kernel-feedback-list@...adcom.com,
	jim2101024@...il.com,
	james.quinlan@...adcom.com
Cc: Florian Fainelli <florian.fainelli@...adcom.com>,
	Lorenzo Pieralisi <lpieralisi@...nel.org>,
	Krzysztof Wilczyński <kw@...ux.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	linux-rpi-kernel@...ts.infradead.org (moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE),
	linux-arm-kernel@...ts.infradead.org (moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE),
	devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS),
	linux-kernel@...r.kernel.org (open list)
Subject: [PATCH v4 02/12] dt-bindings: PCI: brcmstb: Add 7712 SoC description

This adds the description for the 7712 SoC, a Broadcom
STB sibling chip of the RPi 5.  Two new reset controllers
are described.

Signed-off-by: Jim Quinlan <james.quinlan@...adcom.com>
---
 .../bindings/pci/brcm,stb-pcie.yaml           | 26 +++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml b/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml
index 692f7ed7c98e..90683a0df2c5 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
@@ -100,12 +101,16 @@ properties:
     items:
       - description: reset for external PCIe PERST# signal # perst
       - description: reset for phy reset calibration       # rescal
+      - description: reset for PCIe/CPU bus bridge         # bridge
+      - description: reset for soft PCIe core reset        # swinit
 
   reset-names:
     minItems: 1
     items:
       - const: perst
       - const: rescal
+      - const: bridge
+      - const: swinit
 
 required:
   - compatible
@@ -159,6 +164,27 @@ 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:
-- 
2.17.1


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