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From: ChiaWei Wang <chiawei_wang@aspeedtech.com>
To: Joel Stanley <joel@jms.id.au>, Andrew Jeffery <andrew@aj.id.au>
Cc: devicetree <devicetree@vger.kernel.org>,
	linux-aspeed <linux-aspeed@lists.ozlabs.org>,
	OpenBMC Maillist <openbmc@lists.ozlabs.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Rob Herring <robh+dt@kernel.org>, Oskar Senft <osk@google.com>,
	Linux ARM <linux-arm-kernel@lists.infradead.org>
Subject: RE: [PATCH v7 1/5] ARM: dts: aspeed: Drop reg-io-width from LPC nodes
Date: Thu, 21 Oct 2021 06:37:38 +0000	[thread overview]
Message-ID: <HK0PR06MB3779F430883E60E7E47849BE91BF9@HK0PR06MB3779.apcprd06.prod.outlook.com> (raw)
In-Reply-To: <CACPK8Xfj=wJBCX5ogyf02pLJsLrooVWBJ92GJ1E+jxQW5wiFEw@mail.gmail.com>

> From: Joel Stanley <joel@jms.id.au>
> Sent: Thursday, October 21, 2021 2:29 PM
> 
> On Fri, 8 Oct 2021 at 04:35, Joel Stanley <joel@jms.id.au> wrote:
> >
> > On Mon, 27 Sept 2021 at 02:31, Chia-Wei Wang
> > <chiawei_wang@aspeedtech.com> wrote:
> > >
> > > The 'reg-io-width' properties are not used by LPC drivers nor
> > > documented as part of bindings. Therefore drop them.
> >
> > I assume they are there due to the lpc having a 'syscon' compatible.
> > THey are documented in the syscon bindings:
> >
> > Documentation/devicetree/bindings/mfd/syscon.yaml
> >
> > Andrew, do you have any comments?
> 
> Andrew indicated to me that he agreed with my observation: the properties
> should be present as they are used by the regmap/syscon.

Thanks. Shall we just drop this one and move on with the rest patches?
However, like Rob mentioned, when doing 'make dtbs_check', there is a warning:

/builds/robherring/linux-dt-review/arch/arm/boot/dts/aspeed-ast2500-evb.dt.yaml:
lpc@1e789000: 'ibt@140', 'kcs@114', 'kcs@24', 'kcs@28', 'kcs@2c', 'lhc@a0', 'reg-io-width' do not match any of the regexes:
'^lpc-ctrl@[0-9a-f]+$', '^lpc-snoop@[0-9a-f]+$', '^reset-controller@[0-9a-f]+$', 'pinctrl-[0-9]+'
From schema: /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/mfd/aspeed-lpc.yaml

As part of this series has been applied, maybe we can fix this later?

Regards,
Chiawei

> 
> >
> > >
> > > This is in preparation to move aspeed-lpc.txt to YAML schema.
> > >
> > > Signed-off-by: Chia-Wei Wang <chiawei_wang@aspeedtech.com>
> > > ---
> > >  arch/arm/boot/dts/aspeed-g4.dtsi | 1 -
> > > arch/arm/boot/dts/aspeed-g5.dtsi | 1 -
> > > arch/arm/boot/dts/aspeed-g6.dtsi | 1 -
> > >  3 files changed, 3 deletions(-)
> > >
> > > diff --git a/arch/arm/boot/dts/aspeed-g4.dtsi
> > > b/arch/arm/boot/dts/aspeed-g4.dtsi
> > > index c5aeb3cf3a09..45a25eb4baa4 100644
> > > --- a/arch/arm/boot/dts/aspeed-g4.dtsi
> > > +++ b/arch/arm/boot/dts/aspeed-g4.dtsi
> > > @@ -345,7 +345,6 @@
> > >                         lpc: lpc@1e789000 {
> > >                                 compatible =
> "aspeed,ast2400-lpc-v2", "simple-mfd", "syscon";
> > >                                 reg = <0x1e789000 0x1000>;
> > > -                               reg-io-width = <4>;
> > >
> > >                                 #address-cells = <1>;
> > >                                 #size-cells = <1>; diff --git
> > > a/arch/arm/boot/dts/aspeed-g5.dtsi
> > > b/arch/arm/boot/dts/aspeed-g5.dtsi
> > > index 73ca1ec6fc24..8e1d00d8445e 100644
> > > --- a/arch/arm/boot/dts/aspeed-g5.dtsi
> > > +++ b/arch/arm/boot/dts/aspeed-g5.dtsi
> > > @@ -436,7 +436,6 @@
> > >                         lpc: lpc@1e789000 {
> > >                                 compatible =
> "aspeed,ast2500-lpc-v2", "simple-mfd", "syscon";
> > >                                 reg = <0x1e789000 0x1000>;
> > > -                               reg-io-width = <4>;
> > >
> > >                                 #address-cells = <1>;
> > >                                 #size-cells = <1>; diff --git
> > > a/arch/arm/boot/dts/aspeed-g6.dtsi
> > > b/arch/arm/boot/dts/aspeed-g6.dtsi
> > > index 1b47be1704f8..0d1aae6887cd 100644
> > > --- a/arch/arm/boot/dts/aspeed-g6.dtsi
> > > +++ b/arch/arm/boot/dts/aspeed-g6.dtsi
> > > @@ -490,7 +490,6 @@
> > >                         lpc: lpc@1e789000 {
> > >                                 compatible =
> "aspeed,ast2600-lpc-v2", "simple-mfd", "syscon";
> > >                                 reg = <0x1e789000 0x1000>;
> > > -                               reg-io-width = <4>;
> > >
> > >                                 #address-cells = <1>;
> > >                                 #size-cells = <1>;
> > > --
> > > 2.17.1
> > >

  reply	other threads:[~2021-10-21  6:39 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-27  2:30 [PATCH v7 0/5] arm: aspeed: Add UART routing support Chia-Wei Wang
2021-09-27  2:30 ` [PATCH v7 1/5] ARM: dts: aspeed: Drop reg-io-width from LPC nodes Chia-Wei Wang
2021-10-08  4:35   ` Joel Stanley
2021-10-21  6:28     ` Joel Stanley
2021-10-21  6:37       ` ChiaWei Wang [this message]
2021-10-21  6:48         ` Joel Stanley
2021-10-21  6:54           ` Joel Stanley
2021-10-21  6:59             ` ChiaWei Wang
2021-09-27  2:30 ` [PATCH v7 2/5] dt-bindings: mfd: aspeed-lpc: Convert to YAML schema Chia-Wei Wang
2021-09-29 22:02   ` Rob Herring
2021-09-30  9:48     ` Lee Jones
2021-09-27  2:30 ` [PATCH v7 3/5] dt-bindings: aspeed: Add UART routing controller Chia-Wei Wang
2021-09-29 22:11   ` Rob Herring
2021-09-30  1:55     ` ChiaWei Wang
2021-09-27  2:30 ` [PATCH v7 4/5] soc: aspeed: Add UART routing support Chia-Wei Wang
2021-10-08  4:47   ` Joel Stanley
2021-09-27  2:30 ` [PATCH v7 5/5] ARM: dts: aspeed: Add uart routing to device tree Chia-Wei Wang

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