From: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
To: Jarkko Nikula <jarkko.nikula@linux.intel.com>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Mika Westerberg <mika.westerberg@linux.intel.com>,
Wolfram Sang <wsa@the-dreams.de>,
Mark Rutland <mark.rutland@arm.com>,
Rob Herring <robh+dt@kernel.org>
Cc: linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
<linux-i2c@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
devicetree@vger.kernel.org
Subject: Re: [PATCH v3 2/3] dt-bindings: i2c: designware: add optional pinctrl for bus recovery
Date: Mon, 17 Sep 2018 11:33:25 +0800 [thread overview]
Message-ID: <20180917113325.13ed122f@xhacker.debian> (raw)
In-Reply-To: <20180917112830.2a3c9be9@xhacker.debian>
+ DT maintainers
On Mon, 17 Sep 2018 11:28:30 +0800
Jisheng Zhang <Jisheng.Zhang@synaptics.com> wrote:
> Document the pinctrl property for bus recovery.
>
> Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
> ---
> Documentation/devicetree/bindings/i2c/i2c-designware.txt | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/i2c/i2c-designware.txt b/Documentation/devicetree/bindings/i2c/i2c-designware.txt
> index 1d6a6a8061ba..c1544d1f7b55 100644
> --- a/Documentation/devicetree/bindings/i2c/i2c-designware.txt
> +++ b/Documentation/devicetree/bindings/i2c/i2c-designware.txt
> @@ -24,6 +24,9 @@ Optional properties :
>
> - sda-gpios: specify the gpio of the SDA line for gpio recovery
>
> + - pinctrl: add extra pinctrl to configure i2c pins to gpio function for i2c
> + bus recovery, call it "gpio" state
> +
> Examples :
>
> i2c@f0000 {
> @@ -46,6 +49,9 @@ Examples :
> i2c-sda-hold-time-ns = <300>;
> i2c-sda-falling-time-ns = <300>;
> i2c-scl-falling-time-ns = <300>;
> + pinctrl-names = "default", "gpio";
> + pinctrl-0 = <&pinctrl_i2c1>;
> + pinctrl-1 = <&pinctrl_i2c1_gpio>;
> scl-gpios = <&gpio1 15 GPIO_ACTIVE_HIGH>;
> sda-gpios = <&gpio1 16 GPIO_ACTIVE_HIGH>;
> };
next prev parent reply other threads:[~2018-09-17 3:37 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-17 3:26 [PATCH v3 0/3] i2c: designware: select gpio/default pin when prepare/unprepare recovery Jisheng Zhang
2018-09-17 3:27 ` [PATCH v3 1/3] dt-bindings: i2c: designware: add optional gpio recovery properties Jisheng Zhang
2018-09-17 3:32 ` Jisheng Zhang
2018-09-17 3:28 ` [PATCH v3 2/3] dt-bindings: i2c: designware: add optional pinctrl for bus recovery Jisheng Zhang
2018-09-17 3:33 ` Jisheng Zhang [this message]
2018-09-17 3:29 ` [PATCH v3 3/3] i2c: designware: select gpio/default pin when prepare/unprepare recovery Jisheng Zhang
2018-09-17 3:34 ` Jisheng Zhang
2018-09-18 13:25 ` Jarkko Nikula
2018-09-17 3:31 ` [PATCH v3 0/3] " Jisheng Zhang
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=20180917113325.13ed122f@xhacker.debian \
--to=jisheng.zhang@synaptics.com \
--cc=andriy.shevchenko@linux.intel.com \
--cc=devicetree@vger.kernel.org \
--cc=jarkko.nikula@linux.intel.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-i2c@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mark.rutland@arm.com \
--cc=mika.westerberg@linux.intel.com \
--cc=robh+dt@kernel.org \
--cc=wsa@the-dreams.de \
/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: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).