[PATCH 2/5 v2] ARM: at91: sam9g20 add i2c DT support
From: Jean-Christophe PLAGNIOL-VILLARD <hidden>
Date: 2012-02-29 14:20:18
Also in:
linux-devicetree
Subsystem:
the rest · Maintainer:
Linus Torvalds
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 --- arch/arm/boot/dts/at91sam9g20.dtsi | 12 ++++++++++++ 1 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/arch/arm/boot/dts/at91sam9g20.dtsi b/arch/arm/boot/dts/at91sam9g20.dtsi
index 9e5f933..cfc5e63 100644
--- a/arch/arm/boot/dts/at91sam9g20.dtsi
+++ b/arch/arm/boot/dts/at91sam9g20.dtsi@@ -188,6 +188,18 @@ status = "disabled"; }; + i2c-gpio at 0 { + compatible = "i2c-gpio"; + gpios = <&pioA 23 0 /* sda */ + &pioA 24 0 /* scl */ + >; + i2c-gpio,sda-open-drain; + i2c-gpio,scl-open-drain; + udelay = <2>; /* ~100 kHz */ + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; }; }; };
--
1.7.7