From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rob Herring Subject: Re: [PATCH 6/7] misc: eeprom: 93xx46: Add DT binding for a GPIO 'select' line. Date: Tue, 17 Nov 2015 14:59:01 -0600 Message-ID: <20151117205901.GA10669@rob-hp-laptop> References: <1447733796-15546-1-git-send-email-cory.tusar@pid1solutions.com> <1447733796-15546-7-git-send-email-cory.tusar@pid1solutions.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1447733796-15546-7-git-send-email-cory.tusar-J6Z/VSE8EyIAspv4Qr0y0gC/G2K4zDHf@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Cory Tusar Cc: pawel.moll-5wv7dgnIgG8@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org, galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org, agust-ynQEQJNshbs@public.gmane.org, gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org, jic23-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, vz-ChpfBGZJDbMAvxtiuMwx3w@public.gmane.org, broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, afd-l0cyMroinI0@public.gmane.org, andrew-g2DYL2Zd6BY@public.gmane.org, Chris.Healy-c8ZVq/bFV1I@public.gmane.org, Keith.Vennel-c8ZVq/bFV1I@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: devicetree@vger.kernel.org On Mon, Nov 16, 2015 at 11:16:35PM -0500, Cory Tusar wrote: > This commit documents an additional devicetree binding in the > eeprom_93x46 driver allowing a GPIO line to function as a 'select' > or 'enable' signal prior to accessing the EEPROM. You can just fold all the DT binding patches into 1. They don't have to match up to driver changes. > > Signed-off-by: Cory Tusar > --- > Documentation/devicetree/bindings/misc/eeprom-93xx46.txt | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/Documentation/devicetree/bindings/misc/eeprom-93xx46.txt b/Documentation/devicetree/bindings/misc/eeprom-93xx46.txt > index 34a0cc2..75b16f4 100644 > --- a/Documentation/devicetree/bindings/misc/eeprom-93xx46.txt > +++ b/Documentation/devicetree/bindings/misc/eeprom-93xx46.txt > @@ -6,6 +6,8 @@ Required properties: > > Optional properties: > - read-only : parameter-less property which disables writes to the EEPROM > +- select-gpio : if present, specifies the GPIO that will be asserted prior to > + each access to the EEPROM (e.g. for SPI bus multiplexing) This should be "select-gpios". > > Property rules described in Documentation/devicetree/bindings/spi/spi-bus.txt > apply. In particular, "reg" and "spi-max-frequency" properties must be given. > @@ -17,4 +19,5 @@ Example: > spi-max-frequency = <1000000>; > spi-cs-high; > data-size = <8>; > + select-gpio = <&gpio4 4 GPIO_ACTIVE_HIGH>; > }; > -- > 2.4.10 > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html