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ARM: at91: sam9x5 add i2c DT support

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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>
This commit is contained in:
Jean-Christophe PLAGNIOL-VILLARD 2012-02-23 22:50:32 +08:00
parent 8f24bdaac9
commit 10f71c28b6
1 changed files with 39 additions and 0 deletions
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39
arch/arm/boot/dts/at91sam9x5.dtsi
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@ -188,4 +188,43 @@ &pioC 14 0
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";
};
};