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dt-bindings: PCI: rcar-pci-host: Add optional regulators

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Support regulators found on the KingFisher board for miniPCIe (1.5 and
3.3v). For completeness, describe a 12v regulator while we are here.

Link: https://lore.kernel.org/linux-pci/20231105092908.3792-2-wsa+renesas@sang-engineering.com
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
This commit is contained in:
Wolfram Sang 2023-11-05 10:29:07 +01:00 committed by Krzysztof Wilczyński
parent ec21523748
commit b952f96a57
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1 changed files with 11 additions and 0 deletions
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11
Documentation/devicetree/bindings/pci/rcar-pci-host.yaml
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@ -68,6 +68,15 @@ properties:
phy-names:
const: pcie
vpcie1v5-supply:
description: The 1.5v regulator to use for PCIe.
vpcie3v3-supply:
description: The 3.3v regulator to use for PCIe.
vpcie12v-supply:
description: The 12v regulator to use for PCIe.
required:
- compatible
- reg
@ -121,5 +130,7 @@ examples:
clock-names = "pcie", "pcie_bus";
power-domains = <&sysc R8A7791_PD_ALWAYS_ON>;
resets = <&cpg 319>;
vpcie3v3-supply = <&pcie_3v3>;
vpcie12v-supply = <&pcie_12v>;
};
};