From: Frieder Schrempf Date: Mon, 8 Jan 2024 08:48:58 +0000 (+0100) Subject: arm64: dts: imx8mm-kontron: Disable pullups for I2C signals on OSM-S i.MX8MM X-Git-Tag: v6.6.23~474 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0c3a9a2b426275d36076b4ac6ca5c9abfdce0c06;p=thirdparty%2Fkernel%2Fstable.git arm64: dts: imx8mm-kontron: Disable pullups for I2C signals on OSM-S i.MX8MM [ Upstream commit 96293af54f6aa859015d8ca40a1437d3115ad50c ] There are external pullup resistors on the board and due to silicon errata ERR050080 let's disable the internal ones to prevent any unwanted behavior in case they wear out. Fixes: de9618e84f76 ("arm64: dts: Add support for Kontron SL/BL i.MX8MM OSM-S") Signed-off-by: Frieder Schrempf Signed-off-by: Shawn Guo Signed-off-by: Sasha Levin --- diff --git a/arch/arm64/boot/dts/freescale/imx8mm-kontron-bl-osm-s.dts b/arch/arm64/boot/dts/freescale/imx8mm-kontron-bl-osm-s.dts index 8b16bd68576c0..0730c22e5b6b9 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-kontron-bl-osm-s.dts +++ b/arch/arm64/boot/dts/freescale/imx8mm-kontron-bl-osm-s.dts @@ -294,8 +294,8 @@ pinctrl_i2c4: i2c4grp { fsl,pins = < - MX8MM_IOMUXC_I2C4_SCL_I2C4_SCL 0x400001c3 - MX8MM_IOMUXC_I2C4_SDA_I2C4_SDA 0x400001c3 + MX8MM_IOMUXC_I2C4_SCL_I2C4_SCL 0x40000083 + MX8MM_IOMUXC_I2C4_SDA_I2C4_SDA 0x40000083 >; }; diff --git a/arch/arm64/boot/dts/freescale/imx8mm-kontron-osm-s.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-kontron-osm-s.dtsi index 6e75ab879bf59..3e7db968f7e64 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-kontron-osm-s.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-kontron-osm-s.dtsi @@ -252,8 +252,8 @@ pinctrl_i2c1: i2c1grp { fsl,pins = < - MX8MM_IOMUXC_I2C1_SCL_I2C1_SCL 0x400001c3 - MX8MM_IOMUXC_I2C1_SDA_I2C1_SDA 0x400001c3 + MX8MM_IOMUXC_I2C1_SCL_I2C1_SCL 0x40000083 + MX8MM_IOMUXC_I2C1_SDA_I2C1_SDA 0x40000083 >; };