[PATCH 4/4] ARM: at91: sam9g45 add i2c DT support
From: Jean-Christophe PLAGNIOL-VILLARD <hidden>
Date: 2012-02-05 10:38:56
Also in:
linux-arm-kernel
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@lists.ozlabs.org --- arch/arm/boot/dts/at91sam9g45.dtsi | 13 +++++++++++++ 1 files changed, 13 insertions(+), 0 deletions(-)
diff --git a/arch/arm/boot/dts/at91sam9g45.dtsi b/arch/arm/boot/dts/at91sam9g45.dtsi
index a12ebc4..951b2c8 100644
--- a/arch/arm/boot/dts/at91sam9g45.dtsi
+++ b/arch/arm/boot/dts/at91sam9g45.dtsi@@ -211,6 +211,19 @@ status = "disabled"; }; + i2c-gpio@0 { + compatible = "gpio-i2c"; + gpios = <&pioA 20 0 /* sda */ + &pioA 21 0 /* scl */ + >; + gpio-i2c,sda_is_open_drain; + gpio-i2c,scl_is_open_drain; + udelay = <5>; /* ~100 kHz */ + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; + }; }; };
--
1.7.7