[PATCH 5/5 v4] ARM: at91: sam9x5 add i2c DT support

[Jean-Christophe PLAGNIOL-VILLARD]

For now on use i2c-gpio driver on the same pin as the hardware IP.

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
Acked-by: Grant Likely <grant.likely at secretlab.ca>
Acked-by: Rob Herring <rob.herring at calxeda.com>
Cc: Nicolas Ferre <nicolas.ferre at atmel.com>
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