MLK-17453 arm64: dts: increase i2c pad drive strength
authorGao Pan <pandy.gao@nxp.com>
Wed, 24 Jan 2018 06:00:02 +0000 (14:00 +0800)
committerNitin Garg <nitin.garg@nxp.com>
Tue, 20 Mar 2018 19:53:37 +0000 (14:53 -0500)
Too many i2c slaves are conencted to imx8qm i2c0 and
imx8qxp lpi2c1. So i2c pad drive strength should be
increased. Otherwise, there will be i2c probe error.

Reported-by: Andy Tian <yang.tian@nxp.com>
Tested-by: Andy Tian <yang.tian@nxp.com>
Signed-off-by: Gao Pan <pandy.gao@nxp.com>
Acked-by: Fugang Duan <fugang.duan@nxp.com>
arch/arm64/boot/dts/freescale/fsl-imx8qm-mek.dts
arch/arm64/boot/dts/freescale/fsl-imx8qxp-mek.dts

index 78827b1..7f51825 100644 (file)
 
                pinctrl_i2c0: i2c0grp {
                        fsl,pins = <
-                               SC_P_HDMI_TX0_TS_SCL_DMA_I2C0_SCL       0x0600004c
-                               SC_P_HDMI_TX0_TS_SDA_DMA_I2C0_SDA       0x0600004c
+                               SC_P_HDMI_TX0_TS_SCL_DMA_I2C0_SCL       0x06000021
+                               SC_P_HDMI_TX0_TS_SDA_DMA_I2C0_SDA       0x06000021
                        >;
                };
 
index a0df0ad..a48579d 100755 (executable)
 
                pinctrl_lpi2c1: lpi1cgrp {
                        fsl,pins = <
-                               SC_P_USB_SS3_TC1_ADMA_I2C1_SCL  0x06000020
-                               SC_P_USB_SS3_TC3_ADMA_I2C1_SDA  0x06000020
+                               SC_P_USB_SS3_TC1_ADMA_I2C1_SCL  0x06000021
+                               SC_P_USB_SS3_TC3_ADMA_I2C1_SDA  0x06000021
                        >;
                };