From mboxrd@z Thu Jan 1 00:00:00 1970 From: plagnioj@jcrosoft.com (Jean-Christophe PLAGNIOL-VILLARD) Date: Sun, 5 Feb 2012 11:38:56 +0100 Subject: [PATCH 4/4] ARM: at91: sam9g45 add i2c DT support In-Reply-To: <1328438337-21185-1-git-send-email-plagnioj@jcrosoft.com> References: <1328438337-21185-1-git-send-email-plagnioj@jcrosoft.com> Message-ID: <1328438337-21185-4-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 gpio-i2c driver on the same pin as the hardware IP Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD Cc: devicetree-discuss at lists.ozlabs.org --- 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 a12ebc4..951b2c8 100644 --- a/arch/arm/boot/dts/at91sam9g45.dtsi +++ b/arch/arm/boot/dts/at91sam9g45.dtsi @@ -211,6 +211,19 @@ status = "disabled"; }; + i2c-gpio at 0 { + compatible = "gpio-i2c"; + gpios = <&pioA 20 0 /* sda */ + &pioA 21 0 /* scl */ + >; + gpio-i2c,sda_is_open_drain; + gpio-i2c,scl_is_open_drain; + udelay = <5>; /* ~100 kHz */ + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; + }; }; }; -- 1.7.7