Linux-i3c Archive on lore.kernel.org
 help / color / Atom feed
From: Qii Wang <qii.wang@mediatek.com>
To: Boris Brezillon <boris.brezillon@collabora.com>
Cc: devicetree@vger.kernel.org, srv_heupstream@mediatek.com,
	bbrezillon@kernel.org, leilk.liu@mediatek.com,
	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org,
	liguo.zhang@mediatek.com, linux-mediatek@lists.infradead.org,
	xinping.qian@mediatek.com, matthias.bgg@gmail.com,
	linux-i3c@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 1/2] dt-bindings: i3c: Document MediaTek I3C master bindings
Date: Thu, 27 Jun 2019 15:25:27 +0800
Message-ID: <1561620327.12217.27.camel@mhfsdcap03> (raw)
In-Reply-To: <20190626182339.0c6301a2@collabora.com>

On Wed, 2019-06-26 at 18:23 +0200, Boris Brezillon wrote:
> On Wed, 26 Jun 2019 13:36:27 +0800
> Qii Wang <qii.wang@mediatek.com> wrote:
> 
> > Document MediaTek I3C master DT bindings.
> > 
> > Signed-off-by: Qii Wang <qii.wang@mediatek.com>
> > ---
> >  .../devicetree/bindings/i3c/mtk,i3c-master.txt     |   47 ++++++++++++++++++++
> >  1 file changed, 47 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/i3c/mtk,i3c-master.txt
> > 
> > diff --git a/Documentation/devicetree/bindings/i3c/mtk,i3c-master.txt b/Documentation/devicetree/bindings/i3c/mtk,i3c-master.txt
> > new file mode 100644
> > index 0000000..3fd4f17
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/i3c/mtk,i3c-master.txt
> > @@ -0,0 +1,47 @@
> > +Bindings for MediaTek I3C master block
> > +=====================================
> > +
> > +Required properties:
> > +--------------------
> > +- compatible: shall be "mediatek,i3c-master"
> > +- reg: physical base address of the controller and apdma base, length of
> > +  memory mapped region.
> > +- reg-names: should be "main" for controller and "dma" for apdma.
> > +- interrupts: interrupt number to the cpu.
> 
> Depending on the interrupt controller, each interrupt cell might
> contain more than just the interrupt number.
> 

ok, I will modify it as "the interrupt line connected to this I3C
master"

> > +- clocks: clock name from clock manager.
> 
> This property does not contain clock names but clk references.
> 

ok, I will modify it as "shall reference the i3c and apdma clocks"

> > +- clock-names: must include "main" and "dma".
> > +
> > +Mandatory properties defined by the generic binding (see
> > +Documentation/devicetree/bindings/i3c/i3c.txt for more details):
> > +
> > +- #address-cells: shall be set to 3
> > +- #size-cells: shall be set to 0
> > +
> > +Optional properties defined by the generic binding (see
> > +Documentation/devicetree/bindings/i3c/i3c.txt for more details):
> > +
> > +- i2c-scl-hz
> > +- i3c-scl-hz
> > +
> > +I3C device connected on the bus follow the generic description (see
> > +Documentation/devicetree/bindings/i3c/i3c.txt for more details).
> > +
> > +Example:
> > +
> > +	i3c0: i3c@1100d000 {
> > +		compatible = "mediatek,i3c-master";
> > +		reg = <0x1100d000 0x100>,
> > +		      <0x11000300 0x80>;
> > +		reg-names = "main", "dma";
> > +		interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_LOW>;
> > +		clocks = <&i3c0_ck>, <&ap_dma_ck>;
> > +		clock-names = "main", "dma";
> > +		#address-cells = <1>;
> > +		#size-cells = <0>;
> > +		i2c-scl-hz = <100000>;
> > +
> > +		nunchuk: nunchuk@52 {
> > +			compatible = "nintendo,nunchuk";
> > +			reg = <0x52 0x80000010 0>;
> 
> reg is wrong here, should be
> 
> 			reg = <0x52 0x0 0x10>;
> 
> While at it, can you send a patch to fix the example in the cadence
> binding doc?
> 

ok, I will do it. Thanks for your review.

> > +		};
> > +	};
> 



_______________________________________________
linux-i3c mailing list
linux-i3c@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-i3c

  reply index

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-26  5:36 [PATCH v2 0/2] Add MediaTek I3C master controller driver Qii Wang
2019-06-26  5:36 ` [PATCH v2 1/2] dt-bindings: i3c: Document MediaTek I3C master bindings Qii Wang
2019-06-26 16:23   ` Boris Brezillon
2019-06-27  7:25     ` Qii Wang [this message]
2019-07-04 10:00   ` Boris Brezillon
2019-06-26  5:36 ` [PATCH v2 2/2] i3c: master: Add driver for MediaTek IP Qii Wang

Reply instructions:

You may reply publically 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=1561620327.12217.27.camel@mhfsdcap03 \
    --to=qii.wang@mediatek.com \
    --cc=bbrezillon@kernel.org \
    --cc=boris.brezillon@collabora.com \
    --cc=devicetree@vger.kernel.org \
    --cc=gregkh@linuxfoundation.org \
    --cc=leilk.liu@mediatek.com \
    --cc=liguo.zhang@mediatek.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-i3c@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mediatek@lists.infradead.org \
    --cc=matthias.bgg@gmail.com \
    --cc=srv_heupstream@mediatek.com \
    --cc=xinping.qian@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

Linux-i3c Archive on lore.kernel.org

Archives are clonable:
	git clone --mirror https://lore.kernel.org/linux-i3c/0 linux-i3c/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 linux-i3c linux-i3c/ https://lore.kernel.org/linux-i3c \
		linux-i3c@lists.infradead.org linux-i3c@archiver.kernel.org
	public-inbox-index linux-i3c


Newsgroup available over NNTP:
	nntp://nntp.lore.kernel.org/org.infradead.lists.linux-i3c


AGPL code for this site: git clone https://public-inbox.org/ public-inbox