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To:     "Miquel Raynal" <miquel.raynal@bootlin.com>
Cc:     anders.roxell@linaro.org, bbrezillon@kernel.org,
        christophe.kerello@st.com, computersforpeace@gmail.com,
        devicetree@vger.kernel.org, dwmw2@infradead.org,
        juliensu@mxic.com.tw, lee.jones@linaro.org, liang.yang@amlogic.com,
        linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org,
        marek.vasut@gmail.com, mark.rutland@arm.com, paul@crapouillou.net,
        paul.burton@mips.com, richard@nod.at, robh+dt@kernel.org,
        stefan@agner.ch, vigneshr@ti.com
Subject: 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>
From:   masonccyang@mxic.com.tw
Date:   Thu, 1 Aug 2019 17:32:04 +0800
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Hi Miquel,

> > Document the bindings used by the Macronix raw NAND controller.
> > 
> > Signed-off-by: Mason Yang <masonccyang@mxic.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@43c30000 {
> > +      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@43c30000" 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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