From: Qizhong Cheng <qizhong.cheng@mediatek.com>
To: Jianjun Wang <jianjun.wang@mediatek.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>,
Rob Herring <robh+dt@kernel.org>,
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
Ryder Lee <ryder.lee@mediatek.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
<linux-pci@vger.kernel.org>, <linux-mediatek@lists.infradead.org>,
<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>, <youlin.pei@mediatek.com>,
<chuanjia.liu@mediatek.com>, <ot_jiey.yang@mediatek.com>,
<drinkcat@chromium.org>, <Rex-BC.Chen@mediatek.com>,
Krzysztof Wilczyski <kw@linux.com>, <Ryan-JH.Yu@mediatek.com>
Subject: Re: [PATCH v3 1/2] dt-bindings: PCI: mediatek-gen3: Add property to disable dvfsrc voltage request
Date: Wed, 30 Jun 2021 11:40:23 +0800 [thread overview]
Message-ID: <1625024423.20084.12.camel@mhfsdcap03> (raw)
In-Reply-To: <20210630024934.18903-2-jianjun.wang@mediatek.com>
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>,
next prev parent reply other threads:[~2021-06-30 3:40 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-30 2:49 [PATCH v3 0/2] PCI: mediatek-gen3: Add support for disable dvfsrc Jianjun Wang
2021-06-30 2:49 ` [PATCH v3 1/2] dt-bindings: PCI: mediatek-gen3: Add property to disable dvfsrc voltage request Jianjun Wang
2021-06-30 3:40 ` Qizhong Cheng [this message]
2021-07-14 11:20 ` Jianjun Wang
2021-07-16 17:33 ` Rob Herring
2021-08-19 3:40 ` Jianjun Wang (王建军)
2021-06-30 2:49 ` [PATCH v3 2/2] PCI: mediatek-gen3: Add support for " Jianjun Wang
2021-06-30 3:38 ` Qizhong Cheng
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