diff options
| author | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2012-02-05 18:25:33 +0800 |
|---|---|---|
| committer | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2012-03-15 23:29:32 +0800 |
| commit | 3b3f8280399c67c592e973193bf3f36a8cab75a0 (patch) | |
| tree | 8d0b07425177b431bf66cbbb89209ae1d9f6fb89 | |
| parent | 8ffaa0f40db22564efc44588a9d861d78a1fae02 (diff) | |
ARM: at91: sam9g20 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>
| -rw-r--r-- | arch/arm/boot/dts/at91sam9g20.dtsi | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/at91sam9g20.dtsi b/arch/arm/boot/dts/at91sam9g20.dtsi index 4b0dc99b9319..a885a30d1c82 100644 --- a/arch/arm/boot/dts/at91sam9g20.dtsi +++ b/arch/arm/boot/dts/at91sam9g20.dtsi @@ -189,4 +189,17 @@ status = "disabled"; }; }; + + i2c@0 { + compatible = "i2c-gpio"; + gpios = <&pioA 23 0 /* sda */ + &pioA 24 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"; + }; }; |