From mboxrd@z Thu Jan 1 00:00:00 1970 From: Boris Brezillon Subject: Re: [PATCH v7 1/2] mtd: arasan: Add device tree binding documentation Date: Tue, 10 Jan 2017 10:16:08 +0100 Message-ID: <20170110101608.43915523@bbrezillon> References: <1483930734-10309-1-git-send-email-punnaia@xilinx.com> <20170110053605.yqclykdgi3tgndnp@rob-hp-laptop> <03CA77BA8AF6F1469AEDFBDA1322A7B76424ECD2@XAP-PVEXMBX02.xlnx.xilinx.com> <20170110090621.09d08cfa@bbrezillon> <03CA77BA8AF6F1469AEDFBDA1322A7B76424EDC1@XAP-PVEXMBX02.xlnx.xilinx.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <03CA77BA8AF6F1469AEDFBDA1322A7B76424EDC1@XAP-PVEXMBX02.xlnx.xilinx.com> Sender: linux-kernel-owner@vger.kernel.org To: Punnaiah Choudary Kalluri Cc: Rob Herring , "dwmw2@infradead.org" , "computersforpeace@gmail.com" , "marek.vasut@gmail.com" , "richard@nod.at" , "cyrille.pitchen@atmel.com" , "mark.rutland@arm.com" , "linux-kernel@vger.kernel.org" , "linux-mtd@lists.infradead.org" , "devicetree@vger.kernel.org" , Michal Simek , "kalluripunnaiahchoudary@gmail.com" , "kpc528@gmail.com" List-Id: devicetree@vger.kernel.org On Tue, 10 Jan 2017 08:48:09 +0000 Punnaiah Choudary Kalluri wrote: > Hi Boris, > > Thanks. I will implement these changes and send the next series. Please wait a bit. I still need to review the driver. > > Regards, > Punnaiah > > > -----Original Message----- > > From: Boris Brezillon [mailto:boris.brezillon@free-electrons.com] > > Sent: Tuesday, January 10, 2017 1:36 PM > > To: Punnaiah Choudary Kalluri > > Cc: Rob Herring ; dwmw2@infradead.org; > > computersforpeace@gmail.com; marek.vasut@gmail.com; richard@nod.at; > > cyrille.pitchen@atmel.com; mark.rutland@arm.com; linux- > > kernel@vger.kernel.org; linux-mtd@lists.infradead.org; > > devicetree@vger.kernel.org; Michal Simek ; > > kalluripunnaiahchoudary@gmail.com; kpc528@gmail.com > > Subject: Re: [PATCH v7 1/2] mtd: arasan: Add device tree binding > > documentation > > > > Hi Punnaiah, > > > > On Tue, 10 Jan 2017 06:03:25 +0000 > > Punnaiah Choudary Kalluri wrote: > > > > > Hi Rob, > > > > > > Thanks for the review. > > > > > > > -----Original Message----- > > > > From: Rob Herring [mailto:robh@kernel.org] > > > > Sent: Tuesday, January 10, 2017 11:06 AM > > > > To: Punnaiah Choudary Kalluri > > > > Cc: dwmw2@infradead.org; computersforpeace@gmail.com; > > > > boris.brezillon@free-electrons.com; marek.vasut@gmail.com; > > > > richard@nod.at; cyrille.pitchen@atmel.com; mark.rutland@arm.com; > > linux- > > > > kernel@vger.kernel.org; linux-mtd@lists.infradead.org; > > > > devicetree@vger.kernel.org; Michal Simek ; > > > > kalluripunnaiahchoudary@gmail.com; kpc528@gmail.com; Punnaiah > > > > Choudary Kalluri > > > > Subject: Re: [PATCH v7 1/2] mtd: arasan: Add device tree binding > > > > documentation > > > > > > > > On Mon, Jan 09, 2017 at 08:28:53AM +0530, Punnaiah Choudary Kalluri > > wrote: > > > > > This patch adds the dts binding document for arasan nand flash > > > > > controller. > > > > > > > > > > Signed-off-by: Punnaiah Choudary Kalluri > > > > > --- > > > > > Changes in v7: > > > > > - Corrected the acronyms those should be in caps > > > > > changes in v6: > > > > > - Removed num-cs property > > > > > - Separated nandchip from nand controller > > > > > changes in v5: > > > > > - None > > > > > Changes in v4: > > > > > - Added num-cs property > > > > > - Added clock support > > > > > Changes in v3: > > > > > - None > > > > > Changes in v2: > > > > > - None > > > > > --- > > > > > .../devicetree/bindings/mtd/arasan_nfc.txt | 38 > > > > ++++++++++++++++++++++ > > > > > 1 file changed, 38 insertions(+) > > > > > create mode 100644 > > > > Documentation/devicetree/bindings/mtd/arasan_nfc.txt > > > > > > > > > > diff --git a/Documentation/devicetree/bindings/mtd/arasan_nfc.txt > > > > b/Documentation/devicetree/bindings/mtd/arasan_nfc.txt > > > > > new file mode 100644 > > > > > index 0000000..f20adfc > > > > > --- /dev/null > > > > > +++ b/Documentation/devicetree/bindings/mtd/arasan_nfc.txt > > > > > @@ -0,0 +1,38 @@ > > > > > +Arasan NAND Flash Controller with ONFI 3.1 support > > > > > + > > > > > +Required properties: > > > > > +- compatible: Should be "arasan,nfc-v3p10" > > > > > > > > Needs a note that it must also have an SoC specific compatible string. > > > > > > > Sorry, I couldn't understand this comment. Could you elaborate it? > > > > Arasan is an IP vendor, and those IPs are usually embedded in specific > > SoCs. I guess Rob was suggesting to define something like: > > > > compatible = ",", "arasan,"; > > > > This way you can differentiate minor changes/tweaks between each SoC > > (each SoC vendor usually enable/disable specific features based on > > their needs). > > > > > > > > > > +- reg: Memory map for module access > > > > > +- interrupt-parent: Interrupt controller the interrupt is routed through > > > > > +- interrupts: Should contain the interrupt for the device > > > > > +- clock-name: List of input clocks - "clk_sys", "clk_flash" > > > > > > > > clk_ is redundant. > > > > > > > > > > I have defined these clock names as per the controller data sheet. > > > So, I feel it is fine to have them in sync with the datasheet. > > > Please let me know if you still want me to change this. > > > > We already know this is a clock, hence the unneeded clk_ prefix. Please > > drop it. > > > > Thanks, > > > > Boris