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Message-ID: <BY5PR04MB670510941B91C0D394A23A68FC220@BY5PR04MB6705.namprd04.prod.outlook.com>
Date: Sun, 13 Sep 2020 09:35:43 +0000
From: Avri Altman <Avri.Altman@....com>
To: "Bao D. Nguyen" <nguyenb@...eaurora.org>,
"cang@...eaurora.org" <cang@...eaurora.org>,
"asutoshd@...eaurora.org" <asutoshd@...eaurora.org>,
"martin.petersen@...cle.com" <martin.petersen@...cle.com>,
"linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>
CC: "linux-arm-msm@...r.kernel.org" <linux-arm-msm@...r.kernel.org>,
Rob Herring <robh+dt@...nel.org>,
Bjorn Andersson <bjorn.andersson@...aro.org>,
Vinod Koul <vkoul@...nel.org>,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@...r.kernel.org>,
open list <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v1 1/2] scsi: dt-bindings: ufs: Add vcc-voltage-level for
UFS
>
>
> UFS's specifications supports a range of Vcc operating
> voltage levels. Add documentation for the UFS's Vcc voltage
> levels setting.
>
> Signed-off-by: Can Guo <cang@...eaurora.org>
> Signed-off-by: Asutosh Das <asutoshd@...eaurora.org>
> Signed-off-by: Bao D. Nguyen <nguyenb@...eaurora.org>
> ---
> Documentation/devicetree/bindings/ufs/ufshcd-pltfrm.txt | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/ufs/ufshcd-pltfrm.txt
> b/Documentation/devicetree/bindings/ufs/ufshcd-pltfrm.txt
> index 415ccdd..7257b32 100644
> --- a/Documentation/devicetree/bindings/ufs/ufshcd-pltfrm.txt
> +++ b/Documentation/devicetree/bindings/ufs/ufshcd-pltfrm.txt
> @@ -23,6 +23,8 @@ Optional properties:
> with "phys" attribute, provides phandle to UFS PHY node
> - vdd-hba-supply : phandle to UFS host controller supply regulator node
> - vcc-supply : phandle to VCC supply regulator node
> +- vcc-voltage-level : specifies voltage levels for VCC supply.
For ufs3.1+ devices
> + Should be specified in pairs (min, max), units uV.
> - vccq-supply : phandle to VCCQ supply regulator node
> - vccq2-supply : phandle to VCCQ2 supply regulator node
> - vcc-supply-1p8 : For embedded UFS devices, valid VCC range is 1.7-1.95V
> --
Why are you removing all other docs?
They are still relevant for non ufs3.1 devices.
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