Linux-mediatek Archive on lore.kernel.org
 help / color / mirror / Atom feed
From: Mark Rutland <mark.rutland@arm.com>
To: Yong Wu <yong.wu@mediatek.com>
Cc: Rob Herring <robh+dt@kernel.org>, Joerg Roedel <joro@8bytes.org>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	Robin Murphy <Robin.Murphy@arm.com>,
	Will Deacon <Will.Deacon@arm.com>,
	Daniel Kurtz <djkurtz@google.com>, Tomasz Figa <tfiga@google.com>,
	Lucas Stach <l.stach@pengutronix.de>,
	Catalin Marinas <Catalin.Marinas@arm.com>,
	"linux-mediatek@lists.infradead.org"
	<linux-mediatek@lists.infradead.org>,
	Sasha Hauer <kernel@pengutronix.de>,
	"srv_heupstream@mediatek.com" <srv_heupstream@mediatek.com>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>,
	"iommu@lists.linux-foundation.org"
	<iommu@lists.linux-foundation.org>
Subject: Re: [PATCH 3/5] dt-bindings: mediatek: Add smi dts binding
Date: Tue, 14 Apr 2015 14:56:47 +0100	[thread overview]
Message-ID: <20150414135647.GG28709@leverpostej> (raw)
In-Reply-To: <1429019389.16264.5.camel@mhfsdcap03>

> > >       smi_common:smi@14022000 {
> > >                  compatible = “mediate, mt8173-smi”;
> > >                  reg = <0 0x14022000 0 0x1000>;
> > >                  clocks = <&mmsys MM_SMI_COMMON>;
> > >                  clocks-names = “smi_common”;
> > >       };
> > > 
> > >       larb0: larb@14021000 {
> > >                  compatible = “mediate, mt8173-smi-larb”;
> > >                  reg = <0 0x14021000 0 0x1000>;
> > >                  smi = <&smi_common>;
> > >                  clocks = <&mmsys MM_SMI_LARB0>, 
> > > 		 	<&mmsys MM_SMI_LARB0>;
> > >                  clocks-names = “apb_clk”, “smi_clk”;
> > >      };
> > > 
> > >      larb1: larb@16010000 {
> > >                  compatible = “mediate, mt8173-smi-larb”;
> > >                  reg = <0 0x16010000 0 0x1000>;
> > >                  smi = <&smi_common>;
> > >                  clocks = <&vdecsys VDEC_CKEN>, 
> > > 			 <&mmsys VDEC_LARB_CKEN>;
> > >                  clocks-names = “apb_clk”, “smi_clk”;
> > >       };
> > >       … 
> > >      In some local arbiter, the source clock of the APB clock and the
> > > SMI clock may be the same, like larb0. so the two clocks are the same.
> > > And they may be different in other local arbiteres, like larb1.      
> > > 
> > >      If it is designed like this, is it ok?
> > 
> > That looks pretty good; the clocks and names on the larb nodes seem
> > sensible.
> > 
> > The naming of the "smi_common" clock on the smi_common node looks a bit
> > odd though. Is that really what the clock input is called?
> > 
> > Mark.
>      After check with DE, the smi_common clock also have its APB clock
> and the smi clock(they have the same clock source).
>     And I prepare to delete "_clk" in all the clock-names.
>     So it may be like this:
>          smi_common:smi@14022000 {
>                  compatible = “mediate, mt8173-smi”;
>                     reg = <0 0x14022000 0 0x1000>;
>                   clocks = <&mmsys MM_SMI_COMMON>, 
> 			   <&mmsys MM_SMI_COMMON>;
>                   clocks-names = “apk”,"smi";
>         };
>      How about this?

That looks fine to me. I assume "apk" should be "apb" in the last
example.

Mark.

      parent reply	other threads:[~2015-04-14 13:56 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1425638900-24989-1-git-send-email-yong.wu@mediatek.com>
     [not found] ` <1425638900-24989-3-git-send-email-yong.wu@mediatek.com>
     [not found]   ` <20150306105821.GE22377@arm.com>
     [not found]     ` <1425903103.13300.29.camel@mhfsdcap03>
2015-03-17 15:14       ` [PATCH 2/5] iommu/mediatek: Add mt8173 IOMMU driver Will Deacon
     [not found]   ` <CAAFQd5ASywTX7P9L8cogBbBTra0W1=oVxeWfK5=K7L+SR2xaFA@mail.gmail.com>
     [not found]     ` <CAAFQd5ASywTX7P9L8cogBbBTra0W1=oVxeWfK5=K7L+SR2xaFA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-03-18 11:22       ` Yong Wu
2015-03-20 19:14         ` Robin Murphy
     [not found]           ` <550C71B3.1080708-5wv7dgnIgG8@public.gmane.org>
2015-04-14  6:50             ` Yong Wu
2015-03-27  9:41         ` Tomasz Figa
     [not found]           ` <CAAFQd5DOzFmfXki8GwUC75VQFEWzxBUNUgOtSuRtV6tc27kD2A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-04-14  6:31             ` Yong Wu
2015-04-15  2:20               ` Tomasz Figa
     [not found]                 ` <CAAFQd5Db+DacQYa1pdr=w5JpU76AYa-Xhd20wHBF=F6m=Efokw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-04-15  7:06                   ` Yong Wu
2015-04-15  7:41                     ` Tomasz Figa
2015-04-29  6:23             ` Yong Wu
     [not found] ` <1425638900-24989-4-git-send-email-yong.wu@mediatek.com>
     [not found]   ` <20150306111338.GD8700@leverpostej>
2015-04-14  9:07     ` [PATCH 3/5] dt-bindings: mediatek: Add smi dts binding Yong Wu
2015-04-14 10:06       ` Mark Rutland
2015-04-14 13:49         ` Yong Wu
2015-04-14 13:55           ` Yong Wu
2015-04-14 13:56           ` Mark Rutland [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20150414135647.GG28709@leverpostej \
    --to=mark.rutland@arm.com \
    --cc=Catalin.Marinas@arm.com \
    --cc=Robin.Murphy@arm.com \
    --cc=Will.Deacon@arm.com \
    --cc=devicetree@vger.kernel.org \
    --cc=djkurtz@google.com \
    --cc=iommu@lists.linux-foundation.org \
    --cc=joro@8bytes.org \
    --cc=kernel@pengutronix.de \
    --cc=l.stach@pengutronix.de \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mediatek@lists.infradead.org \
    --cc=matthias.bgg@gmail.com \
    --cc=robh+dt@kernel.org \
    --cc=srv_heupstream@mediatek.com \
    --cc=tfiga@google.com \
    --cc=yong.wu@mediatek.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox