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>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>
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 1/3] dt-bindings: i2c: designware: add optional gpio recovery properties
Date: Mon, 17 Sep 2018 11:32:28 +0800 [thread overview]
Message-ID: <20180917113228.43c9b8dc@xhacker.debian> (raw)
In-Reply-To: <20180917112741.7c3d6514@xhacker.debian>
+ DT maintainers
On Mon, 17 Sep 2018 11:27:41 +0800
Jisheng Zhang <Jisheng.Zhang@synaptics.com> wrote:
> Document the scl-gpios and sda-gpios properties 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 fbb0a6d8b964..1d6a6a8061ba 100644
> --- a/Documentation/devicetree/bindings/i2c/i2c-designware.txt
> +++ b/Documentation/devicetree/bindings/i2c/i2c-designware.txt
> @@ -20,6 +20,10 @@ Optional properties :
> - i2c-sda-falling-time-ns : should contain the SDA falling time in nanoseconds.
> This value which is by default 300ns is used to compute the tHIGH period.
>
> + - scl-gpios: specify the gpio of the SCL line for gpio recovery
> +
> + - sda-gpios: specify the gpio of the SDA line for gpio recovery
> +
> Examples :
>
> i2c@f0000 {
> @@ -42,6 +46,8 @@ Examples :
> i2c-sda-hold-time-ns = <300>;
> i2c-sda-falling-time-ns = <300>;
> i2c-scl-falling-time-ns = <300>;
> + scl-gpios = <&gpio1 15 GPIO_ACTIVE_HIGH>;
> + sda-gpios = <&gpio1 16 GPIO_ACTIVE_HIGH>;
> };
>
> i2c@1120000 {
next prev parent reply other threads:[~2018-09-17 3:36 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 [this message]
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
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
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