Commit 8f24bdaa authored Feb 05, 2012 by Jean-Christophe PLAGNIOL-VILLARD

ARM: at91: sam9g45 add i2c DT support



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

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

parent b71e1b75

arch/arm/boot/dts/at91sam9g45.dtsi

+13 −0

Original line number	Diff line number	Diff line
		@@ -197,4 +197,17 @@
		status = "disabled";
		};
		};

		i2c@0 {
		compatible = "i2c-gpio";
		gpios = <&pioA 20 0 /* sda */
		&pioA 21 0 /* scl */
		>;
		i2c-gpio,sda-open-drain;
		i2c-gpio,scl-open-drain;
		i2c-gpio,delay-us = <5>; /* ~100 kHz */
		#address-cells = <1>;
		#size-cells = <0>;
		status = "disabled";
		};
		};