On 7/10/25 4:06 PM, Luca Weiss wrote: > On Thu Jul 10, 2025 at 3:03 PM CEST, Konrad Dybcio wrote: >> On 7/9/25 1:56 PM, Luca Weiss wrote: >>> On Wed Jun 25, 2025 at 4:20 PM CEST, Konrad Dybcio wrote: >>>> On 6/25/25 4:10 PM, Konrad Dybcio wrote: >>>>> On 6/25/25 11:18 AM, Luca Weiss wrote: >>>>>> Add RPMH regulators exposed by Qualcomm Technologies, Inc. PM7550 PMIC. >>>>>> It has 6 FTS525 (FT-SMPS) and 23 LDOs with 3 different types. >>>>>> L1-L11 are LDO515 LV NMOS, L12-L13 are LDO515 MV PMOS, L14-L23 are >>>>>> LDO512 MV PMOS. >>>>>> >>>>>> Signed-off-by: Luca Weiss <[email protected]> >>>>>> --- >>>>> >>>>> FWIW everything you said in the commit message is correct, but I'm not >>>>> 100% sure how to map these LDO types to the existing definitions >>>> >>>> OK so found another page (also made sure that the supply maps are >>>> indeed OK) >>>> >>>> SMPS is OK >>>> L1-L11 is OK >>>> L14-23 is OK >>>> >>>> L12/13 -> pmic5_pldo515_mv >>> >>> Based on what are you saying that? >>> >>> Based on 80-62408-1 Rev. AG for the LDO515, the Output voltage range for >>> MV PMOS is "programmable range 1.504-3.544" which matches "pmic5_pldo". >>> >>> But yes, in the table next to it, it's saying 1.8-3.3V, which matches >>> "pmic5_pldo515_mv". >>> >>> If you're sure, I can update it but the datasheet is a bit confusing. >>> Let me know! >> >> I was looking at the same datasheet as you and took into account both >> the LDO type from e.g. Table 3-12 and the output ranges from Table 3-24 > > But why, looking at table 3-24, is there a mismatch between that text > "programmable range 1.504-3.544" and the table on the right saying > min 1.8 and max 3.3V? > > Programmable range sounds more like what we'd want? No clue...
>>> (3.544 - 1.504) * 1_000_000 / 8_000 255.0 I would asssume there's an 8-bit register that holds the value, hence the >>>programmable<<< range may be larger Konrad

