From mboxrd@z Thu Jan 1 00:00:00 1970 From: plagnioj@jcrosoft.com (Jean-Christophe PLAGNIOL-VILLARD) Date: Thu, 9 Feb 2012 03:25:06 +0100 Subject: [PATCH 2/4 v2] ARM: at91: sam9g20 add i2c DT support In-Reply-To: <1328754308-7365-1-git-send-email-plagnioj@jcrosoft.com> References: <1328754308-7365-1-git-send-email-plagnioj@jcrosoft.com> Message-ID: <1328754308-7365-2-git-send-email-plagnioj@jcrosoft.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.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 at lists.ozlabs.org --- v2: update DT bindings Best Regards, J. arch/arm/boot/dts/at91sam9g20.dtsi | 13 +++++++++++++ 1 files changed, 13 insertions(+), 0 deletions(-) diff --git a/arch/arm/boot/dts/at91sam9g20.dtsi b/arch/arm/boot/dts/at91sam9g20.dtsi index f8f4627..81f8615 100644 --- a/arch/arm/boot/dts/at91sam9g20.dtsi +++ b/arch/arm/boot/dts/at91sam9g20.dtsi @@ -220,6 +220,19 @@ status = "disabled"; }; + i2c-gpio at 0 { + compatible = "i2c-gpio"; + gpios = <&pioA 23 0 /* sda */ + &pioA 24 0 /* scl */ + >; + i2c-gpio,sda-open-drain; + i2c-gpio,scl-open-drain; + udelay = <2>; /* ~100 kHz */ + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; + }; }; }; -- 1.7.7