arm64: dts: imx8mm-kontron: Disable pullups for I2C signals on OSM-S i.MX8MM
authorFrieder Schrempf <frieder.schrempf@kontron.de>
Mon, 8 Jan 2024 08:48:58 +0000 (09:48 +0100)
committerShawn Guo <shawnguo@kernel.org>
Thu, 1 Feb 2024 07:20:26 +0000 (15:20 +0800)
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 <frieder.schrempf@kontron.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
arch/arm64/boot/dts/freescale/imx8mm-kontron-bl-osm-s.dts
arch/arm64/boot/dts/freescale/imx8mm-kontron-osm-s.dtsi

index 8b16bd68576c0b51d67320ab4a015068834d881b..0730c22e5b6b9285d331cf71142dff01fdd3465d 100644 (file)
 
        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
                >;
        };
 
index 6e75ab879bf59c4a69ca7c4dccb0da98158d4f78..3e7db968f7e64a8aec3fa37e2e4ae4944fe52a9d 100644 (file)
 
        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
                >;
        };