linux-kernel - Re: [PATCH 2/2] iio: adc: ti-adc128s052: Add lower resolution devices support

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20250414145212.7fcybmngv7rnuvnm@hatchet>
Date: Mon, 14 Apr 2025 09:52:12 -0500
From: Nishanth Menon <nm@...com>
To: Matti Vaittinen <mazziesaccount@...il.com>
CC: Sukrut Bellary <sbellary@...libre.com>,
        Jonathan Cameron
	<jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>, Rob Herring
	<robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley
	<conor+dt@...nel.org>,
        Angelo Compagnucci <angelo.compagnucci@...il.com>,
        <linux-iio@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] iio: adc: ti-adc128s052: Add lower resolution
 devices support

On 09:40-20250414, Matti Vaittinen wrote:
> On 08/04/2025 16:21, Sukrut Bellary wrote:
> > The adcxx4s communicates with a host processor via an SPI/Microwire Bus
> > interface. The device family responds with 12-bit data, of which the LSB
> > bits are transmitted by the lower resolution devices as 0.
> > The unavailable bits are 0 in LSB.
> > Shift is calculated per resolution and used in scaling and
> > raw data read.
> > 
> > Lets reuse the driver to support the family of devices with name
> > ADC<bb><c>S<sss>, where
> > * bb is the resolution in number of bits (8, 10, 12)
> > * c is the number of channels (1, 2, 4, 8)
> > * sss is the maximum conversion speed (021 for 200 kSPS, 051 for 500 kSPS
> > and 101 for 1 MSPS)
> > 
> > Complete datasheets are available at TI's website here:
> > https://www.ti.com/lit/gpn/adc<bb><c>s<sss>.pdf
> 
> I tried looking up:
> https://www.ti.com/lit/gpn/adc102s051.pdf

Gaah - the IT folks keep messing with the URLs :( -> dropping .pdf in
the url should get you to the pdf #facepalm :( (sidenote: that wasn't
the case a year back :( - hopefully this will stay).

-- 
Regards,
Nishanth Menon
Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3  1A34 DDB5 849D 1736 249D