From: Martin Lund <martin.lund@keep-it-simple.com>
To: nagasure@xilinx.com
Cc: michals@xilinx.com,
"Martin Lund" <martin.lund@keep-it-simple.com>,
"naga sureshkumar" <nagasuresh12@gmail.com>,
boris.brezillon@bootlin.com, richard@nod.at,
linux-kernel@vger.kernel.org,
"Marek Vašut" <marek.vasut@gmail.com>,
linux-mtd@lists.infradead.org, miquel.raynal@bootlin.com,
"Brian Norris" <computersforpeace@gmail.com>,
"David Woodhouse" <dwmw2@infradead.org>,
robh@kernel.org
Subject: Re: [LINUX PATCH v12 1/3] dt-bindings: mtd: arasan: Add device tree binding documentation
Date: Fri, 16 Nov 2018 15:22:35 +0100 [thread overview]
Message-ID: <CAB7pii2XYoP8bejamD2Rp0gtu6u07De+io0Yh3p1b=B-wE1_Fw@mail.gmail.com> (raw)
In-Reply-To: <MWHPR02MB26231009A82C0372F62B5292AFDD0@MWHPR02MB2623.namprd02.prod.outlook.com>
Yes, the clk_ prefix is kind of unnecessary. Though, all the
clock-names in zynqmp.dtsi are still using the prefix - hopefully that
will eventually be cleaned out.
Either way, we just need to make sure the device tree doc clock-names
are consistent with whatever is used by the driver.
Br, Martin
On Fri, Nov 16, 2018 at 2:50 PM Naga Sureshkumar Relli
<nagasure@xilinx.com> wrote:
>
> Hi,
>
> > -----Original Message-----
> > From: Michal Simek [mailto:michal.simek@xilinx.com]
> > Sent: Friday, November 16, 2018 6:04 PM
> > To: Martin Lund <martin.lund@keep-it-simple.com>; Naga Sureshkumar Relli
> > <nagasure@xilinx.com>
> > Cc: boris.brezillon@bootlin.com; miquel.raynal@bootlin.com; richard@nod.at; David
> > Woodhouse <dwmw2@infradead.org>; Brian Norris <computersforpeace@gmail.com>; Marek
> > Vašut <marek.vasut@gmail.com>; naga sureshkumar <nagasuresh12@gmail.com>; linux-
> > mtd@lists.infradead.org; linux-kernel@vger.kernel.org; robh@kernel.org
> > Subject: Re: [LINUX PATCH v12 1/3] dt-bindings: mtd: arasan: Add device tree binding
> > documentation
> >
> > On 16. 11. 18 12:50, Martin Lund wrote:
> > > Hi Naga,
> > >
> > > I've been working on running up the latest kernel (v4.20-rc2) on our
> > > custom Xilinx hw board so that I can test the v12 version of your
> > > Arasan nand driver.
> > >
> > > I've managed to get the driver successfully up and running and ready
> > > for testing with a Micron MT29F64G08AFAAAWP device. However, setting
> > > it up I've found a few inaccuracies in the documentation of the device
> > > tree bindings.
> > >
> > > This is the device configuration that ended up working for me with
> > > linux v4.20-rc2:
> > >
> > > nfc: nand@ff100000 {
> > > compatible = "xlnx,zynqmp-nand", "arasan,nfc-v3p10";
> > > reg = <0x0 0xff100000 0x0 0x1000>;
> > > clock-names = "clk_sys", "clk_flash";
> > > clocks = <&clk200>, <&clk100>;
> > > interrupt-parent = <&gic>;
> > > interrupts = <0 14 4>;
> > > #address-cells = <1>;
> > > #size-cells = <0>;
> > >
> > > nand@0 {
> > > reg = <0>;
> > > nand-ecc-mode = "hw";
> > > };
> > > };
> > >
> > > Compared with the example you will notice that "clock-name" should be
> > > "clock-names". reg was missing a "0x0".
> >
> > clock-names and even that names - you are right it is not correct and should be fixed.
> Clock-names I will change from "clock-name" to "clock-names".
> But I got some review comments previously, to use "sys" instead of "clk_sys" and "flash" instead of "clk_flash".
> And I have to change this in driver.
> I will update that.
>
> Thanks,
> Naga Sureshkumar Relli
>
> >
> > Missing 0x0 in reg doesn't matter because it depends on address/size cells.
> >
> > > I think it is helpful to provide a real-world working example, so you
> > > might also consider changing the example "clocks" configuration to
> > > clk200/clk100 since there is no clk_misc among the clock sources of
> > > any of the xilinx zynqmp board device tree configurations.
> >
> > Real example is the best normally just c&p from existing dts is the way to go.
> > But in connection to clocks it doesn't matter what exactly should be there and I don't think
> > there is any consistency in that. Hopefully this will be removed by yaml conversion.
> >
> > Thanks,
> > Michal
>
> ______________________________________________________
> Linux MTD discussion mailing list
> http://lists.infradead.org/mailman/listinfo/linux-mtd/
next prev parent reply other threads:[~2018-11-16 14:22 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-09 5:00 [LINUX PATCH v12 0/3] Add support for Arasan NAND Flash controller Naga Sureshkumar Relli
2018-11-09 5:00 ` [LINUX PATCH v12 1/3] dt-bindings: mtd: arasan: Add device tree binding documentation Naga Sureshkumar Relli
2018-11-09 6:28 ` Boris Brezillon
2018-11-09 12:33 ` Naga Sureshkumar Relli
2018-11-09 12:54 ` Miquel Raynal
2018-11-09 13:19 ` Naga Sureshkumar Relli
2018-11-16 11:50 ` Martin Lund
2018-11-16 12:10 ` Martin Lund
2018-11-16 12:33 ` Michal Simek
2018-11-16 13:50 ` Naga Sureshkumar Relli
2018-11-16 14:22 ` Martin Lund [this message]
2018-11-09 5:00 ` [LINUX PATCH v12 2/3] mtd: rawnand: Add an option to get sdr timing mode number Naga Sureshkumar Relli
2018-11-09 5:00 ` [LINUX PATCH v12 3/3] mtd: rawnand: arasan: Add support for Arasan NAND Flash Controller Naga Sureshkumar Relli
2018-11-09 8:07 ` Boris Brezillon
2018-11-09 13:18 ` Naga Sureshkumar Relli
2018-11-09 23:03 ` kbuild test robot
2018-11-12 10:55 ` Martin Lund
2018-11-12 10:58 ` Boris Brezillon
2018-11-12 12:43 ` Naga Sureshkumar Relli
2018-11-15 9:34 ` Naga Sureshkumar Relli
2018-11-18 18:52 ` Miquel Raynal
2018-11-18 19:43 ` Boris Brezillon
2018-11-19 6:20 ` Naga Sureshkumar Relli
2018-11-19 8:02 ` Boris Brezillon
2018-11-20 7:02 ` Naga Sureshkumar Relli
2018-11-20 11:02 ` Boris Brezillon
2018-11-20 12:36 ` Miquel Raynal
2018-11-23 13:53 ` Naga Sureshkumar Relli
2018-12-12 5:27 ` Naga Sureshkumar Relli
2018-12-12 8:11 ` Miquel Raynal
2018-12-12 9:04 ` Naga Sureshkumar Relli
2018-12-12 9:09 ` Miquel Raynal
2018-12-12 13:07 ` Naga Sureshkumar Relli
2018-12-12 13:18 ` Miquel Raynal
2018-12-17 13:21 ` Naga Sureshkumar Relli
2018-12-17 16:41 ` Miquel Raynal
2018-12-18 5:33 ` Naga Sureshkumar Relli
2018-12-19 14:26 ` Miquel Raynal
2018-12-21 7:36 ` Naga Sureshkumar Relli
2019-01-28 6:04 ` Naga Sureshkumar Relli
2019-01-28 9:27 ` Miquel Raynal
2019-01-28 9:35 ` Naga Sureshkumar Relli
2019-06-19 4:44 ` Naga Sureshkumar Relli
2019-06-27 16:27 ` Miquel Raynal
2019-06-28 4:20 ` Naga Sureshkumar Relli
2018-11-15 16:45 ` Dan Carpenter
2018-11-20 16:24 ` Boris Brezillon
2018-12-04 9:18 ` Naga Sureshkumar Relli
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