.../bindings/pci/mediatek,mt7621-pcie.yaml | 29 +++++++++++++++++++ 1 file changed, 29 insertions(+)
MediaTek MT7621 PCIe subsys supports a single Root Complex (RC) with 3 Root
Ports. Add PCIe host topology ascii graph to the binding for completeness.
Suggested-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
---
.../bindings/pci/mediatek,mt7621-pcie.yaml | 29 +++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/Documentation/devicetree/bindings/pci/mediatek,mt7621-pcie.yaml b/Documentation/devicetree/bindings/pci/mediatek,mt7621-pcie.yaml
index 6fba42156db6..c41608863d6c 100644
--- a/Documentation/devicetree/bindings/pci/mediatek,mt7621-pcie.yaml
+++ b/Documentation/devicetree/bindings/pci/mediatek,mt7621-pcie.yaml
@@ -13,6 +13,35 @@ description: |+
MediaTek MT7621 PCIe subsys supports a single Root Complex (RC)
with 3 Root Ports. Each Root Port supports a Gen1 1-lane Link
+ MT7621 PCIe HOST Topology
+
+ .-------.
+ | |
+ | CPU |
+ | |
+ '-------'
+ |
+ |
+ |
+ v
+ .------------------.
+ .-----------| HOST/PCI Bridge |------------.
+ | '------------------' | Type1
+ BUS0 | | | Access
+ v v v On Bus0
+ .-------------. .-------------. .-------------.
+ | VIRTUAL P2P | | VIRTUAL P2P | | VIRTUAL P2P |
+ | BUS0 | | BUS0 | | BUS0 |
+ | DEV0 | | DEV1 | | DEV2 |
+ '-------------' '-------------' '-------------'
+ Type0 | Type0 | Type0 |
+ Access BUS1 | Access BUS2| Access BUS3|
+ On Bus1 v On Bus2 v On Bus3 v
+ .----------. .----------. .----------.
+ | Device 0 | | Device 0 | | Device 0 |
+ | Func 0 | | Func 0 | | Func 0 |
+ '----------' '----------' '----------'
+
allOf:
- $ref: /schemas/pci/pci-host-bridge.yaml#
--
2.25.1
Hello,
> MediaTek MT7621 PCIe subsys supports a single Root Complex (RC) with 3 Root
> Ports. Add PCIe host topology ascii graph to the binding for completeness.
Applied to dt-bindings, thank you!
[1/1] dt-bindings: PCI: mediatek,mt7621-pcie: Add PCIe host topology ASCII graph
https://git.kernel.org/pci/pci/c/868f61ed02a3
Krzysztof
Il 22/05/24 06:43, Sergio Paracuellos ha scritto: > MediaTek MT7621 PCIe subsys supports a single Root Complex (RC) with 3 Root > Ports. Add PCIe host topology ascii graph to the binding for completeness. > > Suggested-by: Krzysztof Kozlowski <krzk@kernel.org> > Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Lovely. Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> > --- > .../bindings/pci/mediatek,mt7621-pcie.yaml | 29 +++++++++++++++++++ > 1 file changed, 29 insertions(+) > > diff --git a/Documentation/devicetree/bindings/pci/mediatek,mt7621-pcie.yaml b/Documentation/devicetree/bindings/pci/mediatek,mt7621-pcie.yaml > index 6fba42156db6..c41608863d6c 100644 > --- a/Documentation/devicetree/bindings/pci/mediatek,mt7621-pcie.yaml > +++ b/Documentation/devicetree/bindings/pci/mediatek,mt7621-pcie.yaml > @@ -13,6 +13,35 @@ description: |+ > MediaTek MT7621 PCIe subsys supports a single Root Complex (RC) > with 3 Root Ports. Each Root Port supports a Gen1 1-lane Link > > + MT7621 PCIe HOST Topology > + > + .-------. > + | | > + | CPU | > + | | > + '-------' > + | > + | > + | > + v > + .------------------. > + .-----------| HOST/PCI Bridge |------------. > + | '------------------' | Type1 > + BUS0 | | | Access > + v v v On Bus0 > + .-------------. .-------------. .-------------. > + | VIRTUAL P2P | | VIRTUAL P2P | | VIRTUAL P2P | > + | BUS0 | | BUS0 | | BUS0 | > + | DEV0 | | DEV1 | | DEV2 | > + '-------------' '-------------' '-------------' > + Type0 | Type0 | Type0 | > + Access BUS1 | Access BUS2| Access BUS3| > + On Bus1 v On Bus2 v On Bus3 v > + .----------. .----------. .----------. > + | Device 0 | | Device 0 | | Device 0 | > + | Func 0 | | Func 0 | | Func 0 | > + '----------' '----------' '----------' > + > allOf: > - $ref: /schemas/pci/pci-host-bridge.yaml# >
On 22/05/2024 06:43, Sergio Paracuellos wrote: > MediaTek MT7621 PCIe subsys supports a single Root Complex (RC) with 3 Root > Ports. Add PCIe host topology ascii graph to the binding for completeness. > > Suggested-by: Krzysztof Kozlowski <krzk@kernel.org> > Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> > --- > .../bindings/pci/mediatek,mt7621-pcie.yaml | 29 +++++++++++++++++++ > 1 file changed, 29 insertions(+) Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Best regards, Krzysztof
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