Re: [PATCH v4 0/2] dt-bindings: Intorduce domain-controller

From: Linus Walleij <linus.walleij@linaro.org>
To: Rob Herring <robh@kernel.org>
Cc: Oleksii Moisieiev <Oleksii_Moisieiev@epam.com>,
	"mcoquelin.stm32@gmail.com" <mcoquelin.stm32@gmail.com>,
	"alexandre.torgue@st.com" <alexandre.torgue@st.com>,
	"gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	"tomase@xilinx.com" <tomase@xilinx.com>,
	"broonie@kernel.org" <broonie@kernel.org>,
	"arnd@arndb.de" <arnd@arndb.de>,
	"shawnguo@kernel.org" <shawnguo@kernel.org>,
	"fabio.estevam@nxp.com" <fabio.estevam@nxp.com>,
	"loic.pallardy@st.com" <loic.pallardy@st.com>,
	"mark.rutland@arm.com" <mark.rutland@arm.com>,
	Sudeep Holla <sudeep.holla@arm.com>,
	Cristian Marussi <cristian.marussi@arm.com>,
	Stefano Stabellini <sstabellini@kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Benjamin Gaignard <benjamin.gaignard@collabora.com>
Subject: Re: [PATCH v4 0/2] dt-bindings: Intorduce domain-controller
Date: Tue, 26 Jul 2022 09:45:58 +0200	[thread overview]
Message-ID: <CACRpkdaOT=CzyZ5UOXS-CGQJLBeyiE9VrSPy-tZH-1f9NmORqg@mail.gmail.com> (raw)
In-Reply-To: <20220720213221.GA3987398-robh@kernel.org>

On Wed, Jul 20, 2022 at 11:32 PM Rob Herring <robh@kernel.org> wrote:
> On Thu, Jul 07, 2022 at 10:25:08AM +0000, Oleksii Moisieiev wrote:
> > Introducing the domain controller provider/consumenr bindngs which allow to
> > divided system on chip into multiple domains that can be used to select
> > by who hardware blocks could be accessed.
> > A domain could be a cluster of CPUs, a group of hardware blocks or the
> > set of devices, passed-through to the Guest in the virtualized systems.
>
> 'domain' is entirely to ambiguous. We have clock domains, power domains,
> interrupt domains, etc. already. This needs to be specific about what is
> controlled/provided.

Good point.

This should be something like bus-domain, as it controls what the bus
can access.

Yours,
Linus Walleij