Commit a0c01b68 authored by Lucas Stach's avatar Lucas Stach Committed by Shawn Guo
Browse files

ARM: dts: imx6: RDU2: reduce i2c drive-strength 



The current 25 Ohm drive-strength is much too strong, resulting in
significant overshoot of the signal. Reduce the drive-strength to
75 Ohm to get rid of those issues.

Signed-off-by: default avatarLucas Stach <l.stach@pengutronix.de>
Signed-off-by: default avatarShawn Guo <shawnguo@kernel.org>
parent 45a63cb5

arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi

+6 −6
Original line number Diff line number Diff line
@@ -984,22 +984,22 @@ MX6QDL_PAD_EIM_D23__GPIO3_IO23 0x1b0b0 


	pinctrl_i2c1: i2c1grp {

		fsl,pins = <

			MX6QDL_PAD_CSI0_DAT8__I2C1_SDA		0x4001b8b1

			MX6QDL_PAD_CSI0_DAT9__I2C1_SCL		0x4001b8b1

			MX6QDL_PAD_CSI0_DAT8__I2C1_SDA		0x4001b811

			MX6QDL_PAD_CSI0_DAT9__I2C1_SCL		0x4001b811

		>;

	};



	pinctrl_i2c2: i2c2grp {

		fsl,pins = <

			MX6QDL_PAD_KEY_COL3__I2C2_SCL		0x4001b8b1

			MX6QDL_PAD_KEY_ROW3__I2C2_SDA		0x4001b8b1

			MX6QDL_PAD_KEY_COL3__I2C2_SCL		0x4001b811

			MX6QDL_PAD_KEY_ROW3__I2C2_SDA		0x4001b811

		>;

	};



	pinctrl_i2c3: i2c3grp {

		fsl,pins = <

			MX6QDL_PAD_GPIO_3__I2C3_SCL		0x4001b8b1

			MX6QDL_PAD_GPIO_6__I2C3_SDA		0x4001b8b1

			MX6QDL_PAD_GPIO_3__I2C3_SCL		0x4001b811

			MX6QDL_PAD_GPIO_6__I2C3_SDA		0x4001b811

		>;

	};