diff options
| author | Sergio Paracuellos <sergio.paracuellos@gmail.com> | 2024-05-22 07:43:21 +0300 |
|---|---|---|
| committer | Krzysztof Wilczyński <kwilczynski@kernel.org> | 2024-07-04 17:46:14 +0300 |
| commit | bc9792f32cbd1a3bf8afef78efa5a9116323ca83 (patch) | |
| tree | c110d17859895cb76b08506ec43f4c7d75608d71 /Documentation/devicetree/bindings/pci | |
| parent | bdf8e4d5d68ff78ea5c0f3f61c4f93c2305d69cf (diff) | |
| download | linux-bc9792f32cbd1a3bf8afef78efa5a9116323ca83.tar.xz | |
dt-bindings: PCI: mediatek,mt7621-pcie: Add PCIe host topology ASCII graph
MediaTek MT7621 PCIe sub-system 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>
Link: https://lore.kernel.org/linux-pci/20240522044321.3205160-1-sergio.paracuellos@gmail.com
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Diffstat (limited to 'Documentation/devicetree/bindings/pci')
| -rw-r--r-- | Documentation/devicetree/bindings/pci/mediatek,mt7621-pcie.yaml | 29 |
1 files changed, 29 insertions, 0 deletions
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# |