linux-kernel - Re: [PATCH v6 2/2] dt-bindings: mtd: Document Macronix raw NAND controller bindings

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Message-ID: <OF6FA21ABA.C0DF9C78-ON48258449.00331EB3-48258449.0034600D@mxic.com.tw>
Date:   Thu, 1 Aug 2019 17:32:04 +0800
From:   masonccyang@...c.com.tw
To:     "Miquel Raynal" <miquel.raynal@...tlin.com>
Cc:     anders.roxell@...aro.org, bbrezillon@...nel.org,
        christophe.kerello@...com, computersforpeace@...il.com,
        devicetree@...r.kernel.org, dwmw2@...radead.org,
        juliensu@...c.com.tw, lee.jones@...aro.org, liang.yang@...ogic.com,
        linux-kernel@...r.kernel.org, linux-mtd@...ts.infradead.org,
        marek.vasut@...il.com, mark.rutland@....com, paul@...pouillou.net,
        paul.burton@...s.com, richard@....at, robh+dt@...nel.org,
        stefan@...er.ch, vigneshr@...com
Subject: Re: [PATCH v6 2/2] dt-bindings: mtd: Document Macronix raw NAND controller
 bindings

Hi Miquel,

> > Document the bindings used by the Macronix raw NAND controller.
> > 
> > Signed-off-by: Mason Yang <masonccyang@...c.com.tw>
> > ---
> >  Documentation/devicetree/bindings/mtd/mxic-nand.txt | 19 
+++++++++++++++++++
> >  1 file changed, 19 insertions(+)
> >  create mode 100644 
Documentation/devicetree/bindings/mtd/mxic-nand.txt
> > 
> > diff --git a/Documentation/devicetree/bindings/mtd/mxic-nand.txt b/
> Documentation/devicetree/bindings/mtd/mxic-nand.txt
> > new file mode 100644
> > index 0000000..de37d60
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/mtd/mxic-nand.txt
> > @@ -0,0 +1,19 @@
> > +Macronix Raw NAND Controller Device Tree Bindings
> > +-------------------------------------------------
> > +
> > +Required properties:
> > +- compatible: should be "mxicy,multi-itfc-v009-nand-morph"
> > +- reg: should contain 1 entry for the registers
> > +- interrupts: interrupt line connected to this raw NAND controller
> > +- clock-names: should contain "ps", "send" and "send_dly"
> > +- clocks: should contain 3 phandles for the "ps", "send" and
> > +    "send_dly" clocks
> > +
> > +Example:
> > +
> > +   nand: nand-controller@...30000 {
> > +      compatible = "mxicy,multi-itfc-v009-nand-morph";
> 
> "mxicy" looks strange to me, I know it has been used in the past and
> cannot be removed, but I don't think it is wise to continue using it
> while your use "mxic" in all your other contributions. I would update
> the prefix to mxic here and fill-in the relevant doc.
> 
> Also, what is nand-morph? I thought we were okay for
> the "-nand-controller" suffix.
> 

I thought there is a node name "nand-controller@...30000" and the
"-nand-controller" suffix in compatible property seems repeated.

In addition, I would like to indicate it's a multi function controller.

nand-morph means this multi interface controller (multi-itfc) works in
raw NAND controller.

thanks & best regards,
Mason

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CONFIDENTIALITY NOTE:

This e-mail and any attachments may contain confidential information and/or personal data, which is protected by applicable laws. Please be reminded that duplication, disclosure, distribution, or use of this e-mail (and/or its attachments) or any part thereof is prohibited. If you receive this e-mail in error, please notify us immediately and delete this mail as well as its attachment(s) from your system. In addition, please be informed that collection, processing, and/or use of personal data is prohibited unless expressly permitted by personal data protection laws. Thank you for your attention and cooperation.

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