[PATCH 2/4] ARM: at91s: sam9g20 add i2c DT support
From: Jean-Christophe PLAGNIOL-VILLARD <hidden>
Date: 2012-02-05 10:38:54
Also in:
linux-devicetree
Subsystem:
the rest · Maintainer:
Linus Torvalds
for now on use gpio-i2c driver on the same pin as the hardware IP Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <redacted> Cc: devicetree-discuss at lists.ozlabs.org --- 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 f8f4627..d52e827 100644
--- a/arch/arm/boot/dts/at91sam9g20.dtsi
+++ b/arch/arm/boot/dts/at91sam9g20.dtsi@@ -220,6 +220,19 @@ status = "disabled"; }; + i2c-gpio at 0 { + compatible = "gpio-i2c"; + gpios = <&pioA 23 0 /* sda */ + &pioA 24 0 /* scl */ + >; + gpio-i2c,sda_is_open_drain; + gpio-i2c,scl_is_open_drain; + udelay = <2>; /* ~100 kHz */ + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; + }; }; };
--
1.7.7