From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jean-Christophe PLAGNIOL-VILLARD Subject: [PATCH 5/5 v4] ARM: at91: sam9x5 add i2c DT support Date: Tue, 13 Mar 2012 13:33:44 +0100 Message-ID: <1331642024-19869-5-git-send-email-plagnioj@jcrosoft.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: 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 Acked-by: Grant Likely Acked-by: Rob Herring Cc: Nicolas Ferre Cc: devicetree-discuss@lists.ozlabs.org --- arch/arm/boot/dts/at91sam9x5.dtsi | 39 +++++++++++++++++++++++++++++++++++++ 1 files changed, 39 insertions(+), 0 deletions(-) diff --git a/arch/arm/boot/dts/at91sam9x5.dtsi b/arch/arm/boot/dts/at91sam9x5.dtsi index c294657..f0104f4 100644 --- a/arch/arm/boot/dts/at91sam9x5.dtsi +++ b/arch/arm/boot/dts/at91sam9x5.dtsi @@ -188,4 +188,43 @@ status = "disabled"; }; }; + + i2c@0 { + compatible = "i2c-gpio"; + gpios = <&pioA 30 0 /* sda */ + &pioA 31 0 /* scl */ + >; + i2c-gpio,sda-open-drain; + i2c-gpio,scl-open-drain; + i2c-gpio,delay-us = <2>; /* ~100 kHz */ + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; + + i2c@1 { + compatible = "i2c-gpio"; + gpios = <&pioC 0 0 /* sda */ + &pioC 1 0 /* scl */ + >; + i2c-gpio,sda-open-drain; + i2c-gpio,scl-open-drain; + i2c-gpio,delay-us = <2>; /* ~100 kHz */ + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; + + i2c@2 { + compatible = "i2c-gpio"; + gpios = <&pioB 4 0 /* sda */ + &pioB 5 0 /* scl */ + >; + i2c-gpio,sda-open-drain; + i2c-gpio,scl-open-drain; + i2c-gpio,delay-us = <2>; /* ~100 kHz */ + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; }; -- 1.7.7 From mboxrd@z Thu Jan 1 00:00:00 1970 From: plagnioj@jcrosoft.com (Jean-Christophe PLAGNIOL-VILLARD) Date: Tue, 13 Mar 2012 13:33:44 +0100 Subject: [PATCH 5/5 v4] ARM: at91: sam9x5 add i2c DT support In-Reply-To: References: Message-ID: <1331642024-19869-5-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 Acked-by: Grant Likely Acked-by: Rob Herring Cc: Nicolas Ferre Cc: devicetree-discuss at lists.ozlabs.org --- arch/arm/boot/dts/at91sam9x5.dtsi | 39 +++++++++++++++++++++++++++++++++++++ 1 files changed, 39 insertions(+), 0 deletions(-) diff --git a/arch/arm/boot/dts/at91sam9x5.dtsi b/arch/arm/boot/dts/at91sam9x5.dtsi index c294657..f0104f4 100644 --- a/arch/arm/boot/dts/at91sam9x5.dtsi +++ b/arch/arm/boot/dts/at91sam9x5.dtsi @@ -188,4 +188,43 @@ status = "disabled"; }; }; + + i2c at 0 { + compatible = "i2c-gpio"; + gpios = <&pioA 30 0 /* sda */ + &pioA 31 0 /* scl */ + >; + i2c-gpio,sda-open-drain; + i2c-gpio,scl-open-drain; + i2c-gpio,delay-us = <2>; /* ~100 kHz */ + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; + + i2c at 1 { + compatible = "i2c-gpio"; + gpios = <&pioC 0 0 /* sda */ + &pioC 1 0 /* scl */ + >; + i2c-gpio,sda-open-drain; + i2c-gpio,scl-open-drain; + i2c-gpio,delay-us = <2>; /* ~100 kHz */ + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; + + i2c at 2 { + compatible = "i2c-gpio"; + gpios = <&pioB 4 0 /* sda */ + &pioB 5 0 /* scl */ + >; + i2c-gpio,sda-open-drain; + i2c-gpio,scl-open-drain; + i2c-gpio,delay-us = <2>; /* ~100 kHz */ + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; }; -- 1.7.7