diff options
| author | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2012-02-23 22:50:32 +0800 |
|---|---|---|
| committer | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2012-03-15 23:29:48 +0800 |
| commit | 10f71c28b66e6b22e46386c265147eff76e3d7a5 (patch) | |
| tree | caee6e979e51b93989ce39d40915572b03bb2e06 /arch/arm | |
| parent | 8f24bdaac9547b40f94824bd63c44ead9ea5a211 (diff) | |
| download | linux-10f71c28b66e6b22e46386c265147eff76e3d7a5.tar.bz2 | |
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: 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')
| -rw-r--r-- | arch/arm/boot/dts/at91sam9x5.dtsi | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/at91sam9x5.dtsi b/arch/arm/boot/dts/at91sam9x5.dtsi index c294657a1f7e..f0104f4e6ab4 100644 --- a/arch/arm/boot/dts/at91sam9x5.dtsi +++ b/arch/arm/boot/dts/at91sam9x5.dtsi @@ -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"; + }; }; |