linux-kernel - [PATCH V2 3/6] ARM: davinci: da850: add DT node for I2C0

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Date:	Tue, 29 Jan 2013 13:08:51 +0530
From:	"Vishwanathrao Badarkhe, Manish" <manishv.b@...com>
To:	<devicetree-discuss@...ts.ozlabs.org>, <linux-doc@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<davinci-linux-open-source@...ux.davincidsp.com>
CC:	<anilkumar@...com>, <tony@...mide.com>, <hs@...x.de>,
	<broonie@...nsource.wolfsonmicro.com>, <sameo@...ux.intel.com>,
	<khilman@...prootsystems.com>, <nsekhar@...com>,
	<linus.walleij@...aro.org>, <linux@....linux.org.uk>,
	<rob@...dley.net>, <rob.herring@...xeda.com>,
	<grant.likely@...retlab.ca>, <manishv.b@...com>
Subject: [PATCH V2 3/6] ARM: davinci: da850: add DT node for I2C0

Add I2C0 device tree node information to da850-evm.
Also, add I2C0 pin muxing information in da850-evm.

Signed-off-by: Vishwanathrao Badarkhe, Manish <manishv.b@...com>
---
Changes since V1:
 - Updated i2c0 node names in dts and dtsi file.
 - Removed interrupt parent from i2c0 node.
 - Handled i2c0 pin mux inside i2c0 node.

:100644 100644 433027f... c9ed683... M	arch/arm/boot/dts/da850-evm.dts
:100644 100644 5e0eb5c... 245ab9a... M	arch/arm/boot/dts/da850.dtsi
 arch/arm/boot/dts/da850-evm.dts |    5 +++++
 arch/arm/boot/dts/da850.dtsi    |   15 +++++++++++++++
 2 files changed, 20 insertions(+), 0 deletions(-)

diff --git a/arch/arm/boot/dts/da850-evm.dts b/arch/arm/boot/dts/da850-evm.dts
index 433027f..c9ed683 100644
--- a/arch/arm/boot/dts/da850-evm.dts
+++ b/arch/arm/boot/dts/da850-evm.dts
@@ -27,6 +27,11 @@
 		serial2: serial@...d000 {
 			status = "okay";
 		};
+		i2c0: i2c0@...2000 {
+			status = "okay";
+			pinctrl-names = "default";
+			pinctrl-0 = <&i2c0_pins>;
+		};
 	};
 	nand_cs3@...00000 {
 		status = "okay";
diff --git a/arch/arm/boot/dts/da850.dtsi b/arch/arm/boot/dts/da850.dtsi
index 5e0eb5c..245ab9a 100644
--- a/arch/arm/boot/dts/da850.dtsi
+++ b/arch/arm/boot/dts/da850.dtsi
@@ -56,6 +56,12 @@
 					0x30 0x01100000  0x0ff00000
 				>;
 			};
+			i2c0_pins: pinmux_i2c0_pins {
+				pinctrl-single,bits = <
+					/* I2C0_SDA,I2C0_SCL */
+					0x10 0x00002200 0x0000ff00
+				>;
+			};
 		};
 		serial0: serial@...2000 {
 			compatible = "ns16550a";
@@ -81,6 +87,15 @@
 			interrupts = <61>;
 			status = "disabled";
 		};
+		i2c0: i2c0@...2000 {
+			compatible = "ti,davinci-i2c";
+			reg = <0x22000 0x1000>;
+			clock-frequency = <100000>;
+			interrupts = <15>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
 	};
 	nand_cs3@...00000 {
 		compatible = "ti,davinci-nand";
-- 
1.7.4.1

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