linux-kernel - Re: [PATCH v6 2/6] dt-bindings: iio: adc: ad7192: Update clock config

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 for Android: free password hash cracker in your pocket

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

Message-ID: <20240624-backpedal-reviving-97c8d582222a@spud>
Date: Mon, 24 Jun 2024 17:17:41 +0100
From: Conor Dooley <conor@...nel.org>
To: Alisa-Dariana Roman <alisadariana@...il.com>
Cc: Alisa-Dariana Roman <alisa.roman@...log.com>,
	Jonathan Cameron <Jonathan.Cameron@...wei.com>,
	Michael Hennerich <michael.hennerich@...log.com>,
	linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, Lars-Peter Clausen <lars@...afoo.de>,
	Jonathan Cameron <jic23@...nel.org>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>
Subject: Re: [PATCH v6 2/6] dt-bindings: iio: adc: ad7192: Update clock config

On Mon, Jun 24, 2024 at 03:49:37PM +0300, Alisa-Dariana Roman wrote:
> There are actually 4 configuration modes of clock source for AD719X
> devices. Either a crystal can be attached externally between MCLK1 and
> MCLK2 pins, or an external CMOS-compatible clock can drive the MCLK2
> pin. The other 2 modes make use of the 4.92MHz internal clock.
> 
> To configure external clock as either a crystal or a CMOS-compatible
> clock, changing the register settings is necessary. Therefore, add clock
> name xtal alongside mclk. By selecting one or the other, the register is
> configured.
> 
> The presence of an external clock source is optional, not required. When
> both clocks and clock-names properties are present, an external clock
> source is used. If the intention is to use the internal clock, both
> properties should be absent. Modify required properties accordingly.
> 
> Signed-off-by: Alisa-Dariana Roman <alisa.roman@...log.com>

Reviewed-by: Conor Dooley <conor.dooley@...rochip.com>

Download attachment "signature.asc" of type "application/pgp-signature" (229 bytes)