From: Jan Glauber <jan.glauber@caviumnetworks.com>
To: Ulf Hansson <ulf.hansson@linaro.org>
Cc: "linux-mmc@vger.kernel.org" <linux-mmc@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
David Daney <ddaney@caviumnetworks.com>,
"Steven J . Hill" <Steven.Hill@cavium.com>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
David Daney <david.daney@cavium.com>
Subject: Re: [PATCH v11 1/9] dt-bindings: mmc: Add Cavium SOCs MMC bindings
Date: Mon, 6 Mar 2017 12:09:59 +0100 [thread overview]
Message-ID: <20170306110959.GA5049@hardcore> (raw)
In-Reply-To: <CAPDyKFrE546UMc3QBHw_C1a6Dz5mOQfURroiCBTOV3SbreR-EQ@mail.gmail.com>
On Fri, Mar 03, 2017 at 12:47:06PM +0100, Ulf Hansson wrote:
> On 6 February 2017 at 14:39, Jan Glauber <jglauber@cavium.com> wrote:
> > Add description of Cavium Octeon and ThunderX SOC device tree bindings.
> >
> > CC: Ulf Hansson <ulf.hansson@linaro.org>
> > CC: Rob Herring <robh+dt@kernel.org>
> > CC: Mark Rutland <mark.rutland@arm.com>
> > CC: devicetree@vger.kernel.org
> >
> > Signed-off-by: Jan Glauber <jglauber@cavium.com>
> > Signed-off-by: David Daney <david.daney@cavium.com>
> > Signed-off-by: Steven J. Hill <steven.hill@cavium.com>
> > ---
> > .../devicetree/bindings/mmc/cavium-mmc.txt | 60 ++++++++++++++++++++++
> > 1 file changed, 60 insertions(+)
> > create mode 100644 Documentation/devicetree/bindings/mmc/cavium-mmc.txt
> >
> > diff --git a/Documentation/devicetree/bindings/mmc/cavium-mmc.txt b/Documentation/devicetree/bindings/mmc/cavium-mmc.txt
> > new file mode 100644
> > index 0000000..b79e356
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/mmc/cavium-mmc.txt
> > @@ -0,0 +1,60 @@
> > +* Cavium Octeon & ThunderX MMC controller
> > +
> > +The highspeed MMC host controller on Caviums SoCs provides an interface
> > +for MMC and SD types of memory cards.
> > +
> > +Supported maximum speeds are the ones of the eMMC standard 4.41 as well
> > +as the speed of SD standard 4.0. Only 3.3 Volt is supported.
> > +
> > +Required properties:
> > + - compatible : should be one of:
> > + cavium,octeon-6130-mmc
> > + cavium,octeon-6130-mmc-slot
> > + cavium,octeon-7890-mmc
> > + cavium,octeon-7890-mmc-slot
> > + cavium,thunder-8190-mmc
> > + cavium,thunder-8190-mmc-slot
> > + cavium,thunder-8390-mmc
> > + cavium,thunder-8390-mmc-slot
> > + - reg : mmc controller base registers
> > + - clocks : phandle
> > +
> > +Optional properties:
> > + - for cd, bus-width and additional generic mmc parameters
> > + please refer to mmc.txt within this directory
> > + - cavium,cmd-clk-skew : number of coprocessor clocks before sampling command
> > + - cavium,dat-clk-skew : number of coprocessor clocks before sampling data
> > +
> > +Deprecated properties:
> > +- spi-max-frequency : use max-frequency instead
> > +- cavium,bus-max-width : use bus-width instead
> > +
> > +Examples:
> > + mmc_1_4: mmc@1,4 {
> > + compatible = "cavium,thunder-8390-mmc";
> > + reg = <0x0c00 0 0 0 0>; /* DEVFN = 0x0c (1:4) */
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > + clocks = <&sclk>;
> > +
> > + mmc-slot@0 {
> > + compatible = "cavium,thunder-8390-mmc-slot";
> > + reg = <0>;
> > + voltage-ranges = <3300 3300>;
> > + vmmc-supply = <&mmc_supply_3v3>;
>
> The vmmc supply as a regulator provides you with the voltage range,
> thus you don't need the "voltage-ranges" here. Please remove this.
OK, I'll drop these.
thanks,
Jan
> > + max-frequency = <42000000>;
> > + bus-width = <4>;
> > + cap-sd-highspeed;
> > + };
> > +
> > + mmc-slot@1 {
> > + compatible = "cavium,thunder-8390-mmc-slot";
> > + reg = <1>;
> > + voltage-ranges = <3300 3300>;
> > + vmmc-supply = <&mmc_supply_3v3>;
>
> Ditto.
>
> > + max-frequency = <42000000>;
> > + bus-width = <8>;
> > + cap-mmc-highspeed;
> > + non-removable;
> > + };
> > + };
> > --
> > 2.9.0.rc0.21.g7777322
> >
>
> Kind regards
> Uffe
next prev parent reply other threads:[~2017-03-06 11:10 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-06 13:39 [PATCH v11 0/9] Cavium MMC driver Jan Glauber
2017-02-06 13:39 ` [PATCH v11 1/9] dt-bindings: mmc: Add Cavium SOCs MMC bindings Jan Glauber
2017-02-09 0:40 ` Rob Herring
2017-03-03 11:47 ` Ulf Hansson
2017-03-06 11:09 ` Jan Glauber [this message]
2017-02-06 13:39 ` [PATCH v11 2/9] mmc: cavium: Add core MMC driver for Cavium SOCs Jan Glauber
2017-03-03 11:47 ` Ulf Hansson
2017-03-03 18:39 ` David Daney
2017-03-07 10:49 ` Jan Glauber
2017-03-08 9:45 ` Ulf Hansson
2017-03-08 17:52 ` Jan Glauber
2017-02-06 13:39 ` [PATCH v11 3/9] mmc: cavium: Add MMC platform driver for Octeon SOCs Jan Glauber
2017-02-06 13:39 ` [PATCH v11 4/9] mmc: cavium: Work-around hardware bug on cn6xxx and cnf7xxx Jan Glauber
2017-02-06 13:39 ` [PATCH v11 5/9] mmc: cavium: Add support for Octeon cn7890 Jan Glauber
2017-02-06 13:39 ` [PATCH v11 6/9] mmc: cavium: Add MMC PCI driver for ThunderX SOCs Jan Glauber
2017-02-12 1:09 ` kbuild test robot
2017-02-13 15:24 ` Jan Glauber
2017-02-13 15:45 ` Ulf Hansson
2017-02-15 12:34 ` Arnd Bergmann
2017-02-15 13:54 ` Jan Glauber
2017-02-06 13:39 ` [PATCH v11 7/9] mmc: cavium: Add scatter-gather DMA support Jan Glauber
2017-02-12 1:27 ` kbuild test robot
2017-02-06 13:39 ` [PATCH v11 8/9] mmc: cavium: Support DDR mode for eMMC devices Jan Glauber
2017-02-06 13:39 ` [PATCH v11 9/9] MAINTAINERS: Add entry for Cavium MMC driver Jan Glauber
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