[PATCH 2/5 v3] ARM: at91: sam9g20 add i2c DT support
From: Rob Herring <hidden>
Date: 2012-03-08 17:08:11
Also in:
linux-devicetree
On 03/08/2012 02:50 AM, Jean-Christophe PLAGNIOL-VILLARD wrote:
quoted hunk
For now on use i2c-gpio driver on the same pin as the hardware IP. Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <redacted> Cc: Nicolas Ferre <redacted> Cc: devicetree-discuss at lists.ozlabs.org --- v3: update i2c binding (Rob comments) Best Regards, J. 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 4b0dc99..072b2da 100644 --- a/arch/arm/boot/dts/at91sam9g20.dtsi +++ b/arch/arm/boot/dts/at91sam9g20.dtsi@@ -189,4 +189,17 @@ status = "disabled"; }; }; + + i2c-gpio at 0 {
You updated the example, but not all the actual uses to i2c at 0. Rob
+ 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"; + }; };