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SubjectRe: [PATCH v4 2/6] dt-bindings: PCI: Add bindings for Brcmstb endpoint device voltage regulators
On Thu, Apr 01, 2021 at 05:21:42PM -0400, Jim Quinlan wrote:
> Similar to the regulator bindings found in "rockchip-pcie-host.txt", this
> allows optional regulators to be attached and controlled by the PCIe RC
> driver. That being said, this driver searches in the DT subnode (the EP
> node, eg pci@0,0) for the regulator property.

> The use of a regulator property in the pcie EP subnode such as
> "vpcie12v-supply" depends on a pending pullreq to the pci-bus.yaml
> file at
>
> https://github.com/devicetree-org/dt-schema/pull/54
>
> Signed-off-by: Jim Quinlan <jim2101024@gmail.com>
> ---
> Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml b/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml
> index f90557f6deb8..f2caa5b3b281 100644
> --- a/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml
> +++ b/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml
> @@ -64,6 +64,9 @@ properties:
>
> aspm-no-l0s: true
>
> + vpcie12v-supply: true
> + vpcie3v3-supply: true
> +

No great problem with having these in the controller node (assming it
accurately describes the hardware) but I do think we ought to also be
able to describe these per slot.
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