From mboxrd@z Thu Jan 1 00:00:00 1970
From: plagnioj@jcrosoft.com (Jean-Christophe PLAGNIOL-VILLARD)
Date: Tue, 13 Mar 2012 13:33:43 +0100
Subject: [PATCH 4/5 v4] ARM: at91: sam9g45 add i2c DT support
In-Reply-To:
References:
Message-ID: <1331642024-19869-4-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/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 d79021b..92fe5a5 100644
--- a/arch/arm/boot/dts/at91sam9g45.dtsi
+++ b/arch/arm/boot/dts/at91sam9g45.dtsi
@@ -197,4 +197,17 @@
status = "disabled";
};
};
+
+ i2c at 0 {
+ compatible = "i2c-gpio";
+ gpios = <&pioA 20 0 /* sda */
+ &pioA 21 0 /* scl */
+ >;
+ i2c-gpio,sda-open-drain;
+ i2c-gpio,scl-open-drain;
+ i2c-gpio,delay-us = <5>; /* ~100 kHz */
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
};
--
1.7.7