[PATCH 02/10] ARM: dts: imx6: RDU2: reduce i2c drive-strength

Lucas Stach l.stach at pengutronix.de
Mon Jan 25 13:47:28 EST 2021


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: Lucas Stach <l.stach at pengutronix.de>
---
 arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi b/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi
index 04a66339ceb3..56323890430e 100644
--- a/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi
@@ -984,22 +984,22 @@
 
 	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
 		>;
 	};
 
-- 
2.20.1




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