linux-kernel - [PATCH 1/3] arm: atmel: at91sam9n12: add pinctrl of TWI

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Date:	Wed, 10 Jul 2013 17:51:07 +0800
From:	Bo Shen <voice.shen@...el.com>
To:	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	Nicolas Ferre <nicolas.ferre@...el.com>
Cc:	ludovic.desroches@...el.com, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, devicetree-discuss@...ts.ozlabs.org,
	Bo Shen <voice.shen@...el.com>
Subject: [PATCH 1/3] arm: atmel: at91sam9n12: add pinctrl of TWI

add pinctrl of TWI for at91sam9n12 SoC

Signed-off-by: Bo Shen <voice.shen@...el.com>
---
 arch/arm/boot/dts/at91sam9n12.dtsi |   20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/arch/arm/boot/dts/at91sam9n12.dtsi b/arch/arm/boot/dts/at91sam9n12.dtsi
index bb7f564..3db62f6 100644
--- a/arch/arm/boot/dts/at91sam9n12.dtsi
+++ b/arch/arm/boot/dts/at91sam9n12.dtsi
@@ -291,6 +291,22 @@
 					};
 				};
 
+				i2c0 {
+					pinctrl_i2c0: i2c0-0 {
+						atmel,pins =
+							<AT91_PIOA 30 AT91_PERIPH_A AT91_PINCTRL_NONE	/* PA30 periph A I2C0 data */
+							 AT91_PIOA 31 AT91_PERIPH_A AT91_PINCTRL_NONE>;	/* PA31 periph A I2C0 clock */
+					};
+				};
+
+				i2c1 {
+					pinctrl_i2c1: i2c1-0 {
+						atmel,pins =
+							<AT91_PIOC 0 AT91_PERIPH_C AT91_PINCTRL_NONE	/* PC0 periph C I2C1 data */
+							 AT91_PIOC 1 AT91_PERIPH_C AT91_PINCTRL_NONE>;	/* PC1 periph C I2C1 clock */
+					};
+				};
+
 				tcb0 {
 					pinctrl_tcb0_tclk0: tcb0_tclk0-0 {
 						atmel,pins = <AT91_PIOA 24 AT91_PERIPH_A AT91_PINCTRL_NONE>;
@@ -471,6 +487,8 @@
 				dma-names = "tx", "rx";
 				#address-cells = <1>;
 				#size-cells = <0>;
+				pinctrl-names = "default";
+				pinctrl-0 = <&pinctrl_i2c0>;
 				status = "disabled";
 			};
 
@@ -483,6 +501,8 @@
 				dma-names = "tx", "rx";
 				#address-cells = <1>;
 				#size-cells = <0>;
+				pinctrl-names = "default";
+				pinctrl-0 = <&pinctrl_i2c1>;
 				status = "disabled";
 			};
 
-- 
1.7.9.5

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