> -----Original Message----- > From: Rob Herring <robh@xxxxxxxxxx> > Sent: Wednesday, September 23, 2020 10:58 PM > To: Ansuel Smith <ansuelsmth@xxxxxxxxx> > Cc: Kalle Valo <kvalo@xxxxxxxxxxxxxx>; David S. Miller > <davem@xxxxxxxxxxxxx>; Jakub Kicinski <kuba@xxxxxxxxxx>; linux- > wireless@xxxxxxxxxxxxxxx; netdev@xxxxxxxxxxxxxxx; > devicetree@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; > ath10k@xxxxxxxxxxxxxxxxxxx > Subject: Re: [PATCH v2 2/2] dt: bindings: ath10k: Document qcom,ath10k- > pre-calibration-data-mtd > > On Fri, Sep 18, 2020 at 08:11:03PM +0200, Ansuel Smith wrote: > > Document use of qcom,ath10k-pre-calibration-data-mtd bindings used to > > define from where the driver will load the pre-cal data in the defined > > mtd partition. > > > > Signed-off-by: Ansuel Smith <ansuelsmth@xxxxxxxxx> > > --- > > .../devicetree/bindings/net/wireless/qcom,ath10k.txt | 12 +++++++++--- > > 1 file changed, 9 insertions(+), 3 deletions(-) > > > > diff --git > a/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt > b/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt > > index b61c2d5a0..568364243 100644 > > --- a/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt > > +++ b/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt > > @@ -15,9 +15,9 @@ and also uses most of the properties defined in this > doc (except > > "qcom,ath10k-calibration-data"). It uses "qcom,ath10k-pre-calibration- > data" > > to carry pre calibration data. > > > > -In general, entry "qcom,ath10k-pre-calibration-data" and > > -"qcom,ath10k-calibration-data" conflict with each other and only one > > -can be provided per device. > > +In general, entry "qcom,ath10k-pre-calibration-data", > > +"qcom,ath10k-calibration-data-mtd" and "qcom,ath10k-calibration- > data" conflict with > > +each other and only one can be provided per device. > > > > SNOC based devices (i.e. wcn3990) uses compatible string > "qcom,wcn3990-wifi". > > > > @@ -63,6 +63,12 @@ Optional properties: > > hw versions. > > - qcom,ath10k-pre-calibration-data : pre calibration data as an array, > > the length can vary between hw versions. > > +- qcom,ath10k-pre-calibration-data-mtd : > > mtd is a Linuxism. > > > + Usage: optional > > + Value type: <phandle offset size> > > + Definition: pre calibration data read from mtd partition. Take 3 > value, the > > + mtd to read data from, the offset in the mtd partition and > the > > The phandle is the mtd or partition? > > Maybe you should be using nvmem binding here. > The phandle is to the mtd. You are right about nvmem... Problem is that nvmem for mtd is still not supported. I already sent a patch to fix this in the mtd mailing list but I'm waiting for review... If that will be accepted, I can convert this patch to use nvmem api. > > + size of data to read. > > - <supply-name>-supply: handle to the regulator device tree node > > optional "supply-name" are "vdd-0.8-cx-mx", > > "vdd-1.8-xo", "vdd-1.3-rfa", "vdd-3.3-ch0", > > -- > > 2.27.0 > >
