From: Wolfram Sang <wsa@the-dreams.de> To: linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: linux-sh-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Magnus Damm <magnus.damm-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, Simon Horman <horms-/R6kz+dDXgpPR4JQBCEnsQ@public.gmane.org>, Laurent Pinchart <laurent.pinchart-ryLnwIuWjnjg/C1BVhZhaw@public.gmane.org>, Geert Uytterhoeven <geert-Td1EMuHUCqxL1ZNQvxDV9g@public.gmane.org>, Wolfram Sang <wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org>, Yoshihiro Shimoda <yoshihiro.shimoda.uh-zM6kxYcvzFBBDgjK7y7TUQ@public.gmane.org>, linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, Mika Westerberg <mika.westerberg-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>, Andy Shevchenko <andriy.shevchenko-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>, Jarkko Nikula <jarkko.nikula-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Subject: [PATCH 1/9] i2c: document generic DT bindings for timing parameters Date: Thu, 03 Dec 2015 15:51:31 +0000 [thread overview] Message-ID: <1449157899-6572-2-git-send-email-wsa@the-dreams.de> (raw) In-Reply-To: <1449157899-6572-1-git-send-email-wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org> From: Wolfram Sang <wsa+renesas@sang-engineering.com> 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 <wsa+renesas@sang-engineering.com> Cc: devicetree@vger.kernel.org --- 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
WARNING: multiple messages have this Message-ID (diff)
From: Wolfram Sang <wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org> To: linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: linux-sh-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Magnus Damm <magnus.damm-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, Simon Horman <horms-/R6kz+dDXgpPR4JQBCEnsQ@public.gmane.org>, Laurent Pinchart <laurent.pinchart-ryLnwIuWjnjg/C1BVhZhaw@public.gmane.org>, Geert Uytterhoeven <geert-Td1EMuHUCqxL1ZNQvxDV9g@public.gmane.org>, Wolfram Sang <wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org>, Yoshihiro Shimoda <yoshihiro.shimoda.uh-zM6kxYcvzFBBDgjK7y7TUQ@public.gmane.org>, linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, Mika Westerberg <mika.westerberg-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>, Andy Shevchenko <andriy.shevchenko-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>, Jarkko Nikula <jarkko.nikula-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Subject: [PATCH 1/9] i2c: document generic DT bindings for timing parameters Date: Thu, 3 Dec 2015 16:51:31 +0100 [thread overview] Message-ID: <1449157899-6572-2-git-send-email-wsa@the-dreams.de> (raw) In-Reply-To: <1449157899-6572-1-git-send-email-wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org> From: Wolfram Sang <wsa+renesas-jBu1N2QxHDJrcw3mvpCnnVaTQe2KTcn/@public.gmane.org> 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 <wsa+renesas-jBu1N2QxHDJrcw3mvpCnnVaTQe2KTcn/@public.gmane.org> Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org --- 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-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html
next prev parent reply other threads:[~2015-12-03 15:51 UTC|newest] Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-12-03 15:51 [PATCH 0/9] i2c: add generic support for timing parameters in DT Wolfram Sang 2015-12-03 15:51 ` Wolfram Sang [not found] ` <1449157899-6572-1-git-send-email-wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org> 2015-12-03 15:51 ` Wolfram Sang [this message] 2015-12-03 15:51 ` [PATCH 1/9] i2c: document generic DT bindings for timing parameters Wolfram Sang 2015-12-03 20:39 ` Rob Herring 2015-12-03 20:39 ` Rob Herring 2015-12-03 15:51 ` [PATCH 2/9] i2c: add generic routine to parse DT for timing information Wolfram Sang 2015-12-03 15:51 ` Wolfram Sang 2015-12-04 8:34 ` Mika Westerberg 2015-12-04 8:34 ` Mika Westerberg 2015-12-04 8:41 ` Wolfram Sang 2015-12-04 8:41 ` Wolfram Sang 2015-12-03 15:51 ` [PATCH 3/9] i2c: rcar: refactor probe function a little Wolfram Sang 2015-12-03 15:51 ` Wolfram Sang 2015-12-03 15:51 ` [PATCH 4/9] i2c: rcar: switch to i2c generic dt parsing Wolfram Sang 2015-12-03 15:51 ` Wolfram Sang 2015-12-03 15:51 ` [PATCH 5/9] i2c: rcar: honor additional i2c timings from DT Wolfram Sang 2015-12-03 15:51 ` Wolfram Sang 2015-12-03 15:51 ` [PATCH 6/9] ARM: shmobile: r8a7790: dtsi: add internal delay for i2c IPs Wolfram Sang 2015-12-03 15:51 ` Wolfram Sang 2015-12-03 15:51 ` [PATCH 7/9] ARM: shmobile: r8a7791: " Wolfram Sang 2015-12-03 15:51 ` Wolfram Sang 2015-12-03 15:51 ` [PATCH 8/9] ARM: shmobile: r8a7794: " Wolfram Sang 2015-12-03 15:51 ` Wolfram Sang 2015-12-03 15:51 ` [PATCH 9/9] arm64: renesas: r8a7795: " Wolfram Sang 2015-12-03 15:51 ` Wolfram Sang 2015-12-07 6:39 ` [PATCH 0/9] i2c: add generic support for timing parameters in DT Simon Horman 2015-12-07 6:39 ` Simon Horman
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=1449157899-6572-2-git-send-email-wsa@the-dreams.de \ --to=wsa@the-dreams.de \ --cc=andriy.shevchenko-VuQAYsv1563Yd54FQh9/CA@public.gmane.org \ --cc=devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \ --cc=geert-Td1EMuHUCqxL1ZNQvxDV9g@public.gmane.org \ --cc=horms-/R6kz+dDXgpPR4JQBCEnsQ@public.gmane.org \ --cc=jarkko.nikula-VuQAYsv1563Yd54FQh9/CA@public.gmane.org \ --cc=laurent.pinchart-ryLnwIuWjnjg/C1BVhZhaw@public.gmane.org \ --cc=linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \ --cc=linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org \ --cc=linux-sh-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \ --cc=magnus.damm-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org \ --cc=mika.westerberg-VuQAYsv1563Yd54FQh9/CA@public.gmane.org \ --cc=wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org \ --cc=yoshihiro.shimoda.uh-zM6kxYcvzFBBDgjK7y7TUQ@public.gmane.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.