Commit 71a84348 authored by Lucas Stach's avatar Lucas Stach Committed by Shawn Guo
Browse files

arm64: dts: zii-ultra: fix i2c pin configuration 



Reduce slew rate and set drive strength to 105 Ohm. The previous settings
had some issues with signal ringing, due to the slew rate being too fast.

Signed-off-by: default avatarLucas Stach <l.stach@pengutronix.de>
Signed-off-by: default avatarShawn Guo <shawnguo@kernel.org>
parent 663a5b5e

arch/arm64/boot/dts/freescale/imx8mq-zii-ultra.dtsi

+8 −8
Original line number Diff line number Diff line
@@ -661,29 +661,29 @@ MX8MQ_IOMUXC_NAND_DATA07_GPIO3_IO13 0x6 


	pinctrl_i2c1: i2c1grp {

		fsl,pins = <

			MX8MQ_IOMUXC_I2C1_SCL_I2C1_SCL			0x4000007f

			MX8MQ_IOMUXC_I2C1_SDA_I2C1_SDA			0x4000007f

			MX8MQ_IOMUXC_I2C1_SCL_I2C1_SCL			0x40000022

			MX8MQ_IOMUXC_I2C1_SDA_I2C1_SDA			0x400000a2

		>;

	};



	pinctrl_i2c2: i2c2grp {

		fsl,pins = <

			MX8MQ_IOMUXC_I2C2_SCL_I2C2_SCL			0x4000007f

			MX8MQ_IOMUXC_I2C2_SDA_I2C2_SDA			0x4000007f

			MX8MQ_IOMUXC_I2C2_SCL_I2C2_SCL			0x40000022

			MX8MQ_IOMUXC_I2C2_SDA_I2C2_SDA			0x400000a2

		>;

	};



	pinctrl_i2c3: i2c3grp {

		fsl,pins = <

			MX8MQ_IOMUXC_I2C3_SCL_I2C3_SCL			0x4000007f

			MX8MQ_IOMUXC_I2C3_SDA_I2C3_SDA			0x4000007f

			MX8MQ_IOMUXC_I2C3_SCL_I2C3_SCL			0x40000022

			MX8MQ_IOMUXC_I2C3_SDA_I2C3_SDA			0x400000a2

		>;

	};



	pinctrl_i2c4: i2c4grp {

		fsl,pins = <

			MX8MQ_IOMUXC_I2C4_SCL_I2C4_SCL			0x4000007f

			MX8MQ_IOMUXC_I2C4_SDA_I2C4_SDA			0x4000007f

			MX8MQ_IOMUXC_I2C4_SCL_I2C4_SCL			0x40000022

			MX8MQ_IOMUXC_I2C4_SDA_I2C4_SDA			0x400000a2

		>;

	};