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List: linux-pci
Subject: Re: [PATCH v3 1/2] dt-bindings: PCI: mediatek-gen3: Add property to disable dvfsrc voltage request
From: Qizhong Cheng <qizhong.cheng () mediatek ! com>
Date: 2021-06-30 3:40:23
Message-ID: 1625024423.20084.12.camel () mhfsdcap03
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Reviewed-by: Qizhong Cheng <qizhong.cheng@mediatek.com>
Tested-by: Qizhong Cheng <qizhong.cheng@mediatek.com>
On Wed, 2021-06-30 at 10:49 +0800, Jianjun Wang wrote:
> Add property to disable dvfsrc voltage request, if this property
> is presented, we assume that the requested voltage is always
> higher enough to keep the PCIe controller active.
>
> Signed-off-by: Jianjun Wang <jianjun.wang@mediatek.com>
> ---
> .../devicetree/bindings/pci/mediatek-pcie-gen3.yaml | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml \
> b/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml index \
> e7b1f9892da4..3e26c032cea9 100644
> --- a/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
> +++ b/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
> @@ -96,6 +96,12 @@ properties:
> phys:
> maxItems: 1
>
> + disable-dvfsrc-vlt-req:
> + description: Disable dvfsrc voltage request, if this property is presented,
> + we assume that the requested voltage is always higher enough to keep
> + the PCIe controller active.
> + type: boolean
> +
> '#interrupt-cells':
> const: 1
>
> @@ -166,6 +172,8 @@ examples:
> <&infracfg_rst 3>;
> reset-names = "phy", "mac";
>
> + disable-dvfsrc-vlt-req;
> +
> #interrupt-cells = <1>;
> interrupt-map-mask = <0 0 0 0x7>;
> interrupt-map = <0 0 0 1 &pcie_intc 0>,
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