diff options
| author | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2012-02-05 18:32:37 +0800 |
|---|---|---|
| committer | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2012-03-15 23:29:43 +0800 |
| commit | 8f24bdaac9547b40f94824bd63c44ead9ea5a211 (patch) | |
| tree | d9e8b33081d45e4451c4caefc10ff00e9cb53dad /arch/arm/boot | |
| parent | b71e1b75d6e22bfed94a2a8879d7f7a30b3e3dde (diff) | |
| download | linux-8f24bdaac9547b40f94824bd63c44ead9ea5a211.tar.bz2 | |
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>
Diffstat (limited to 'arch/arm/boot')
| -rw-r--r-- | arch/arm/boot/dts/at91sam9g45.dtsi | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/at91sam9g45.dtsi b/arch/arm/boot/dts/at91sam9g45.dtsi index d79021b831c4..92fe5a5c0eee 100644 --- a/arch/arm/boot/dts/at91sam9g45.dtsi +++ b/arch/arm/boot/dts/at91sam9g45.dtsi @@ -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"; + }; }; |