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@xxxxxxxxxxxx>
Reviewed-by: Florian Fainelli <florian.fainelli@xxxxxxxxxxxx>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
---
.../bindings/pci/brcm,stb-pcie.yaml | 28 +++++++++++++++++--
1 file changed, 26 insertions(+), 2 deletions(-)
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:
--
2.17.1
