From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jean-Christophe PLAGNIOL-VILLARD Subject: [PATCH 4/5 v3] ARM: at91: sam9g45 add i2c DT support Date: Thu, 8 Mar 2012 09:50:34 +0100 Message-ID: <1331196635-27203-4-git-send-email-plagnioj@jcrosoft.com> References: <1331196635-27203-1-git-send-email-plagnioj@jcrosoft.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1331196635-27203-1-git-send-email-plagnioj@jcrosoft.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: linux-arm-kernel@lists.infradead.org Cc: Nicolas Ferre , devicetree-discuss@lists.ozlabs.org, Jean-Christophe PLAGNIOL-VILLARD List-Id: devicetree@vger.kernel.org For now on use i2c-gpio driver on the same pin as the hardware IP. Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD Cc: Nicolas Ferre Cc: devicetree-discuss@lists.ozlabs.org --- v3: update i2c binding (Rob comments) Best Regards, J. arch/arm/boot/dts/at91sam9g45.dtsi | 13 +++++++++++++ 1 files changed, 13 insertions(+), 0 deletions(-) diff --git a/arch/arm/boot/dts/at91sam9g45.dtsi b/arch/arm/boot/dts/at91sam9g45.dtsi index d79021b..4a8a36d 100644 --- a/arch/arm/boot/dts/at91sam9g45.dtsi +++ b/arch/arm/boot/dts/at91sam9g45.dtsi @@ -197,4 +197,17 @@ status = "disabled"; }; }; + + i2c-gpio@0 { + compatible = "i2c-gpio"; + gpios = <&pioA 20 0 /* sda */ + &pioA 21 0 /* scl */ + >; + i2c-gpio,sda-open-drain; + i2c-gpio,scl-open-drain; + i2c-gpio,delay-us = <5>; /* ~100 kHz */ + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; }; -- 1.7.7