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Commit 10f71c28 authored by Jean-Christophe PLAGNIOL-VILLARD's avatar Jean-Christophe PLAGNIOL-VILLARD
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ARM: at91: sam9x5 add i2c DT support 



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

Signed-off-by: default avatarJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: default avatarGrant Likely <grant.likely@secretlab.ca>
Acked-by: default avatarRob Herring <rob.herring@calxeda.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
parent 8f24bdaa

arch/arm/boot/dts/at91sam9x5.dtsi

+39 −0
Original line number Diff line number Diff line
@@ -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";

	};

};