From 8f24bdaac9547b40f94824bd63c44ead9ea5a211 Mon Sep 17 00:00:00 2001 From: Jean-Christophe PLAGNIOL-VILLARD Date: Sun, 5 Feb 2012 18:32:37 +0800 Subject: [PATCH] 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 Acked-by: Grant Likely Acked-by: Rob Herring Cc: Nicolas Ferre --- arch/arm/boot/dts/at91sam9g45.dtsi | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/arm/boot/dts/at91sam9g45.dtsi b/arch/arm/boot/dts/at91sam9g45.dtsi index d79021b831c..92fe5a5c0ee 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"; + }; }; -- 2.41.0