Messages in this thread | | | Date | Mon, 14 Sep 2020 09:19:09 -0700 | From | nguyenb@codeauro ... | Subject | Re: [PATCH v1 1/2] scsi: dt-bindings: ufs: Add vcc-voltage-level for UFS |
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On 2020-09-13 02:35, Avri Altman wrote: >> >> >> 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@codeaurora.org> >> Signed-off-by: Asutosh Das <asutoshd@codeaurora.org> >> Signed-off-by: Bao D. Nguyen <nguyenb@codeaurora.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 Thanks for the comments, Avri. I am not clear what this comment means. Could you please clarify? > >> + 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. I did not remove anything. You may be confused by the "-" used as listing in the original document.
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