From mboxrd@z Thu Jan 1 00:00:00 1970
From: plagnioj@jcrosoft.com (Jean-Christophe PLAGNIOL-VILLARD)
Date: Tue, 13 Mar 2012 13:33:41 +0100
Subject: [PATCH 2/5 v4] ARM: at91: sam9g20 add i2c DT support
In-Reply-To:
References:
Message-ID: <1331642024-19869-2-git-send-email-plagnioj@jcrosoft.com>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org
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
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 4b0dc99..a885a30 100644
--- a/arch/arm/boot/dts/at91sam9g20.dtsi
+++ b/arch/arm/boot/dts/at91sam9g20.dtsi
@@ -189,4 +189,17 @@
status = "disabled";
};
};
+
+ i2c at 0 {
+ 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";
+ };
};
--
1.7.7