diff options
| author | Lucas Stach <l.stach@pengutronix.de> | 2021-01-25 21:47:33 +0300 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2021-01-30 16:54:12 +0300 |
| commit | 71a8434857d51c1aa15b17338626b273f5e58be1 (patch) | |
| tree | f211d795627537c7592787ec1dd9e12162656243 /arch/arm64/boot/dts/freescale/imx8mq-zii-ultra.dtsi | |
| parent | 663a5b5efa510b91fa35a0a08eae9ec6a364ebcb (diff) | |
| download | linux-71a8434857d51c1aa15b17338626b273f5e58be1.tar.xz | |
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: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'arch/arm64/boot/dts/freescale/imx8mq-zii-ultra.dtsi')
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx8mq-zii-ultra.dtsi | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx8mq-zii-ultra.dtsi b/arch/arm64/boot/dts/freescale/imx8mq-zii-ultra.dtsi index e6469e15bcbd..aa05d5fd1b3b 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq-zii-ultra.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mq-zii-ultra.dtsi @@ -661,29 +661,29 @@ 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 >; }; |