From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rob Herring Subject: Re: [PATCH 08/10] mtd: flash-sam: Bindings for Juniper's SAM FPGA flash Date: Mon, 10 Oct 2016 15:07:04 -0500 Message-ID: <20161010200704.GA28870@rob-hp-laptop> References: <1475853518-22264-1-git-send-email-pantelis.antoniou@konsulko.com> <1475853518-22264-9-git-send-email-pantelis.antoniou@konsulko.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1475853518-22264-9-git-send-email-pantelis.antoniou-OWPKS81ov/FWk0Htik3J/w@public.gmane.org> Sender: linux-watchdog-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Pantelis Antoniou Cc: Lee Jones , Linus Walleij , Alexandre Courbot , Mark Rutland , Frank Rowand , Wolfram Sang , David Woodhouse , Brian Norris , Florian Fainelli , Wim Van Sebroeck , Peter Rosin , Debjit Ghosh , Georgi Vlaev , Guenter Roeck , Maryam Seraj , devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-gpio-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-mtd-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-watchdog-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: devicetree@vger.kernel.org gOn Fri, Oct 07, 2016 at 06:18:36PM +0300, Pantelis Antoniou wrote: > From: Georgi Vlaev > > Add binding document for Junipers Flash IP block present > in the SAM FPGA on PTX series of routers. > > Signed-off-by: Georgi Vlaev > [Ported from Juniper kernel] > Signed-off-by: Pantelis Antoniou > --- > .../devicetree/bindings/mtd/flash-sam.txt | 31 ++++++++++++++++++++++ > 1 file changed, 31 insertions(+) > create mode 100644 Documentation/devicetree/bindings/mtd/flash-sam.txt > > diff --git a/Documentation/devicetree/bindings/mtd/flash-sam.txt b/Documentation/devicetree/bindings/mtd/flash-sam.txt > new file mode 100644 > index 0000000..bdf1d78 > --- /dev/null > +++ b/Documentation/devicetree/bindings/mtd/flash-sam.txt > @@ -0,0 +1,31 @@ > +Flash device on a Juniper SAM FPGA > + > +These flash chips are found in the PTX series of Juniper routers. > + > +They are regular CFI compatible (Intel or AMD extended) flash chips with > +some special write protect/VPP bits that can be controlled by the machine's > +system controller. And where's the description of the sys ctrlr? > + > +Required properties: > +- compatible : must be "jnx,flash-sam" > + > +Optional properties: > +- reg : memory address for the flash chip, note that this is not > +required since usually the device is a subdevice of the SAM MFD > +driver which fills in the register fields. > + > +For the rest of the properties, see mtd-physmap.txt. > + > +The device tree may optionally contain sub-nodes describing partitions of the > +address space. See partition.txt for more detail. > + > +Example: > + > +flash_sam { > + compatible = "jnx,flash-sam"; > + partition@0 { This should have a heirarchy of a controller node, a flash child node, partitions child node, and partition child nodes. > + reg = <0x0 0x400000>; > + label = "pic0-golden"; > + read-only; > + }; > +}; > -- > 1.9.1 > -- To unsubscribe from this list: send the line "unsubscribe linux-watchdog" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html