linux-kernel - Re: [PATCH v7 3/5] ARM: dts: stm32: Add I2C1 support for STM32F429 SoC

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20161222191103.vzmfhnrtrzw2ivwa@pengutronix.de>
Date:   Thu, 22 Dec 2016 20:11:04 +0100
From:   Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>
To:     M'boumba Cedric Madianga <cedric.madianga@...il.com>
Cc:     wsa@...-dreams.de, robh+dt@...nel.org, mcoquelin.stm32@...il.com,
        alexandre.torgue@...com, linus.walleij@...aro.org,
        patrice.chotard@...com, linux@...linux.org.uk,
        linux-i2c@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v7 3/5] ARM: dts: stm32: Add I2C1 support for STM32F429
 SoC

Hello,

On Thu, Dec 22, 2016 at 02:35:02PM +0100, M'boumba Cedric Madianga wrote:
> @@ -337,6 +350,16 @@
>  					slew-rate = <2>;
>  				};
>  			};
> +
> +			i2c1_pins_b: i2c1@0 {
> +				pins1 {
> +					pinmux = <STM32F429_PB9_FUNC_I2C1_SDA>;
> +					drive-open-drain;
> +				};
> +				pins2 {
> +					pinmux = <STM32F429_PB6_FUNC_I2C1_SCL>;
> +				};

the second doesn't need the open-drain property? Why?

> +			};
>  		};

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |