From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rob Herring Subject: Re: [PATCH 1/9] i2c: document generic DT bindings for timing parameters Date: Thu, 3 Dec 2015 14:39:08 -0600 Message-ID: <20151203203908.GA29831@rob-hp-laptop> References: <1449157899-6572-1-git-send-email-wsa@the-dreams.de> <1449157899-6572-2-git-send-email-wsa@the-dreams.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1449157899-6572-2-git-send-email-wsa@the-dreams.de> Sender: linux-sh-owner@vger.kernel.org To: Wolfram Sang Cc: linux-i2c@vger.kernel.org, linux-sh@vger.kernel.org, Magnus Damm , Simon Horman , Laurent Pinchart , Geert Uytterhoeven , Yoshihiro Shimoda , linux-rockchip@lists.infradead.org, Mika Westerberg , Andy Shevchenko , Jarkko Nikula , devicetree@vger.kernel.org List-Id: devicetree@vger.kernel.org On Thu, Dec 03, 2015 at 04:51:31PM +0100, Wolfram Sang wrote: > From: Wolfram Sang > > Also, sort the properties alphabetically and make indentation > consistent. Wording largely taken from i2c-rk3x.txt, thanks guys! > > Only "i2c-scl-internal-delay-ns" is new, the rest is used by two drivers > already and was documented in their driver binding documentation. > > Signed-off-by: Wolfram Sang > Cc: devicetree@vger.kernel.org Acked-by: Rob Herring > --- > Documentation/devicetree/bindings/i2c/i2c.txt | 31 ++++++++++++++++++++++----- > 1 file changed, 26 insertions(+), 5 deletions(-) > > diff --git a/Documentation/devicetree/bindings/i2c/i2c.txt b/Documentation/devicetree/bindings/i2c/i2c.txt > index 8a99150ac3a7fd..a00219f5ee0733 100644 > --- a/Documentation/devicetree/bindings/i2c/i2c.txt > +++ b/Documentation/devicetree/bindings/i2c/i2c.txt > @@ -29,12 +29,33 @@ Optional properties > These properties may not be supported by all drivers. However, if a driver > wants to support one of the below features, it should adapt the bindings below. > > -- clock-frequency - frequency of bus clock in Hz. > -- wakeup-source - device can be used as a wakeup source. > +- clock-frequency > + frequency of bus clock in Hz. > > -- interrupts - interrupts used by the device. > -- interrupt-names - "irq" and "wakeup" names are recognized by I2C core, > - other names are left to individual drivers. > +- i2c-scl-falling-time-ns > + Number of nanoseconds the SCL signal takes to fall; t(f) in the I2C > + specification. > + > +- i2c-scl-internal-delay-ns > + Number of nanoseconds the IP core additionally needs to setup SCL. > + > +- i2c-scl-rising-time-ns > + Number of nanoseconds the SCL signal takes to rise; t(r) in the I2C > + specification. > + > +- i2c-sda-falling-time-ns > + Number of nanoseconds the SDA signal takes to fall; t(f) in the I2C > + specification. > + > +- interrupts > + interrupts used by the device. > + > +- interrupt-names > + "irq" and "wakeup" names are recognized by I2C core, other names are > + left to individual drivers. > + > +- wakeup-source > + device can be used as a wakeup source. > > Binding may contain optional "interrupts" property, describing interrupts > used by the device. I2C core will assign "irq" interrupt (or the very first > -- > 2.1.4 > > -- > To unsubscribe from this list: send the line "unsubscribe devicetree" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html