linux-kernel - RE: [PATCH v2 2/3] Documentation: bluefield-dw-mshc: add DT description

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Message-ID: <AM2PR05MB075369C92FE1416271895F51A1820@AM2PR05MB0753.eurprd05.prod.outlook.com>
Date:   Mon, 30 Apr 2018 14:57:28 +0000
From:   Liming Sun <lsun@...lanox.com>
To:     Rob Herring <robh@...nel.org>
CC:     Ulf Hansson <ulf.hansson@...aro.org>,
        Mark Rutland <mark.rutland@....com>,
        Jaehoon Chung <jh80.chung@...sung.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        "linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v2 2/3] Documentation: bluefield-dw-mshc: add DT
 description

Thanks. Updated in v3 2/3.

- Liming

> -----Original Message-----
> From: Rob Herring [mailto:robh@...nel.org]
> Sent: Friday, April 27, 2018 3:51 PM
> To: Liming Sun <lsun@...lanox.com>
> Cc: Ulf Hansson <ulf.hansson@...aro.org>; Mark Rutland
> <mark.rutland@....com>; Jaehoon Chung <jh80.chung@...sung.com>;
> Catalin Marinas <catalin.marinas@....com>; Will Deacon
> <will.deacon@....com>; linux-mmc@...r.kernel.org;
> devicetree@...r.kernel.org; linux-kernel@...r.kernel.org
> Subject: Re: [PATCH v2 2/3] Documentation: bluefield-dw-mshc: add DT
> description
> 
> On Mon, Apr 23, 2018 at 11:32:21AM -0400, Liming Sun wrote:
> > This commit adds "mellanox,bluefield-dw-mshc" for dwmmc driver
> > extension on Mellanox BlueField SoC platform.
> 
> "dt-bindings: mmc: " is preferred subject prefix.
> 
> >
> > Signed-off-by: Liming Sun <lsun@...lanox.com>
> > ---
> >  .../devicetree/bindings/mmc/bluefield-dw-mshc.txt  | 29
> ++++++++++++++++++++++
> >  1 file changed, 29 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/mmc/bluefield-
> dw-mshc.txt
> >
> > diff --git a/Documentation/devicetree/bindings/mmc/bluefield-dw-
> mshc.txt b/Documentation/devicetree/bindings/mmc/bluefield-dw-
> mshc.txt
> > new file mode 100644
> > index 0000000..ee0dd61
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/mmc/bluefield-dw-mshc.txt
> > @@ -0,0 +1,29 @@
> > +* Mellanox Bluefield SoC specific extensions to the Synopsys Designware
> > +  Mobile Storage Host Controller
> > +
> > +Read synopsys-dw-mshc.txt for more details
> > +
> > +The Synopsys designware mobile storage host controller is used to
> interface
> > +a SoC with storage medium such as eMMC or SD/MMC cards. This file
> documents
> > +differences between the core Synopsys dw mshc controller properties
> described
> > +by synopsys-dw-mshc.txt and the properties used by the Mellanox
> Bluefield SoC
> > +specific extensions to the Synopsys Designware Mobile Storage Host
> Controller.
> > +
> > +Required Properties:
> > +
> > +* compatible: should be one of the following.
> > +  - "mellanox,bluefield-dw-mshc": for controllers with Mellanox Bluefield
> SoC
> > +    specific extensions.
> > +
> > +Example:
> > +
> > +	/* Mellanox Bluefield SoC MMC */
> > +	dwmmc0@4,0 {
> 
> mmc@...
> 
> Doesn't look like a correct unit-address either.
> 
> > +		compatible = "mellanox,bluefield-dw-mshc";
> > +		reg = <4 0x8000 0x400>;
> > +		interrupts = <32>;
> > +		fifo-depth = <0x100>;
> > +		clock-frequency = <24000000>;
> > +		bus-width = <8>;
> > +		cap-mmc-highspeed;
> > +	};
> > --
> > 1.8.3.1
> >