This patch adds at24c512b i2c device to the device tree along with the necessary i2c device node and pinctrl settings for i2c bus. The eeprom chip is populated on the accessory board of the imx51-babbage board.
Signed-off-by: Liu Ying <[email protected]> --- arch/arm/boot/dts/imx51-babbage.dts | 12 ++++++++++++ arch/arm/boot/dts/imx51.dtsi | 9 +++++++++ 2 files changed, 21 insertions(+), 0 deletions(-) diff --git a/arch/arm/boot/dts/imx51-babbage.dts b/arch/arm/boot/dts/imx51-babbage.dts index 567e7ee..4f0fc75 100644 --- a/arch/arm/boot/dts/imx51-babbage.dts +++ b/arch/arm/boot/dts/imx51-babbage.dts @@ -241,6 +241,18 @@ }; }; + i2c@83fc8000 { /* I2C1 */ + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c1_1>; + status = "okay"; + + at24@50 { + compatible = "at24,24c512b"; + pagesize = <128>; + reg = <0x50>; + }; + }; + audmux@83fd0000 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_audmux_1>; diff --git a/arch/arm/boot/dts/imx51.dtsi b/arch/arm/boot/dts/imx51.dtsi index 1f5d45e..6495c69 100644 --- a/arch/arm/boot/dts/imx51.dtsi +++ b/arch/arm/boot/dts/imx51.dtsi @@ -311,6 +311,15 @@ }; }; + i2c1 { + pinctrl_i2c1_1: i2c1grp-1 { + fsl,pins = < + 4 0x400001ed /* MX51_PAD_EIM_D16__I2C1_SDA */ + 23 0x400001ed /* MX51_PAD_EIM_D19__I2C1_SCL */ + >; + }; + }; + i2c2 { pinctrl_i2c2_1: i2c2grp-1 { fsl,pins = < -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
