From dda9892171c3b0433497f1a72bf71db0b79b9c16 Mon Sep 17 00:00:00 2001 From: Jagan Teki Date: Mon, 7 May 2018 11:21:35 +0530 Subject: i.MX6DL: mamoj: Add I2C support i.MX6DL Mamoj has i2c3 and i2c4 buses, add support through DM_I2C with dt definition. i2c log: Reviewed-by: Stefano Babic ======= => i2c bus Bus 2: i2c@021a8000 Bus 3: i2c@021f8000 => i2c dev 2 Setting bus to 2 => i2c speed 400000 Setting bus speed to 400000 Hz => i2c probe Valid chip addresses: 20 51 53 => i2c md 53 0xff 00ff: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ => i2c md 51 0xff 00ff: a8 08 40 50 09 43 46 52 42 18 80 8e ae a9 d0 53 ..@P.CFRB......S => i2c dev 3 Setting bus to 3 => i2c speed 100000 Setting bus speed to 100000 Hz => i2c probe Valid chip addresses: 08 40 48 4B => i2c md 08 0xff 00ff: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Signed-off-by: Jagan Teki Signed-off-by: Simone CIANNI Signed-off-by: Raffaele RECALCATI --- arch/arm/dts/imx6dl-mamoj.dts | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) (limited to 'arch/arm/dts') diff --git a/arch/arm/dts/imx6dl-mamoj.dts b/arch/arm/dts/imx6dl-mamoj.dts index 068d518de31..558043445bb 100644 --- a/arch/arm/dts/imx6dl-mamoj.dts +++ b/arch/arm/dts/imx6dl-mamoj.dts @@ -21,6 +21,20 @@ status = "okay"; }; +&i2c3 { + clock-frequency = <400000>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c3>; + status = "okay"; +}; + +&i2c4 { + clock-frequency = <100000>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c4>; + status = "okay"; +}; + &uart3 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_uart3>; @@ -60,6 +74,20 @@ >; }; + pinctrl_i2c3: i2c3grp { + fsl,pins = < + MX6QDL_PAD_GPIO_3__I2C3_SCL 0x4001b8b1 + MX6QDL_PAD_GPIO_6__I2C3_SDA 0x4001b8b1 + >; + }; + + pinctrl_i2c4: i2c4grp { + fsl,pins = < + MX6QDL_PAD_GPIO_7__I2C4_SCL 0x4001b8b1 + MX6QDL_PAD_GPIO_8__I2C4_SDA 0x4001b8b1 + >; + }; + pinctrl_uart3: uart3grp { fsl,pins = < MX6QDL_PAD_EIM_D24__UART3_TX_DATA 0x1b0b1 -- cgit v1.2.3