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Message-Id: <20240710221630.29561-3-james.quinlan@broadcom.com>
Date: Wed, 10 Jul 2024 18:16:16 -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 WilczyĆski <kw@...ux.com>,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
linux-arm-kernel@...ts.infradead.org (moderated list:BROADCOM BCM7XXX ARM ARCHITECTURE),
linux-rpi-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 v3 02/12] dt-bindings: PCI: Cleanup of brcmstb YAML and add 7712 SoC
o Change order of the compatible strings to be alphabetical
o Describe resets/reset-names before using them in rules
o Add in new resets for 7712 (swinit, bridge)
o Add in changes for 7712
Signed-off-by: Jim Quinlan <james.quinlan@...adcom.com>
---
.../bindings/pci/brcm,stb-pcie.yaml | 46 +++++++++++++++++--
1 file changed, 41 insertions(+), 5 deletions(-)
diff --git a/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml b/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml
index 558a18fd2e77..dd7c76ec9ceb 100644
--- a/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml
+++ b/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml
@@ -16,11 +16,12 @@ properties:
- brcm,bcm2711-pcie # The Raspberry Pi 4
- brcm,bcm4908-pcie
- brcm,bcm7211-pcie # Broadcom STB version of RPi4
- - brcm,bcm7278-pcie # Broadcom 7278 Arm
- brcm,bcm7216-pcie # Broadcom 7216 Arm
- - brcm,bcm7445-pcie # Broadcom 7445 Arm
+ - brcm,bcm7278-pcie # Broadcom 7278 Arm
- brcm,bcm7425-pcie # Broadcom 7425 MIPs
- brcm,bcm7435-pcie # Broadcom 7435 MIPs
+ - brcm,bcm7445-pcie # Broadcom 7445 Arm
+ - brcm,bcm7712-pcie # STB sibling SOC of Raspberry Pi 5
reg:
maxItems: 1
@@ -95,6 +96,20 @@ properties:
minItems: 1
maxItems: 3
+ resets:
+ items:
+ - description: reset for phy reset calibration
+ - description: reset for PCIe/CPU bus bridge
+ - description: reset for soft PCIe core reset
+ - description: reset for external PCIe PERST# signal
+
+ reset-names:
+ items:
+ - const: rescal
+ - const: bridge
+ - const: swinit
+ - const: perst
+
required:
- compatible
- reg
@@ -118,8 +133,8 @@ allOf:
then:
properties:
resets:
- items:
- - description: reset controller handling the PERST# signal
+ minItems: 1
+ maxItems: 1
reset-names:
items:
@@ -136,12 +151,33 @@ allOf:
then:
properties:
resets:
+ minItems: 1
+ maxItems: 1
+
+ reset-names:
items:
- - description: phandle pointing to the RESCAL reset controller
+ - const: rescal
+
+ required:
+ - 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
--
2.17.1
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