Hello Laurent, thank you for your patch. Am Sonntag, dem 29.01.2023 um 19:01 +0200 schrieb Laurent Pinchart: > The I2C4 bus is exposed on the camera connector. Add and select the > corresponding pinmux entries and set the default frequency. The > device > is left disabled, to be enabled from camera overlays. > > Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> > --- > .../dts/freescale/imx8mm-phyboard-polis-rdk.dts | 13 > +++++++++++++ > 1 file changed, 13 insertions(+) > > diff --git a/arch/arm64/boot/dts/freescale/imx8mm-phyboard-polis- > rdk.dts b/arch/arm64/boot/dts/freescale/imx8mm-phyboard-polis-rdk.dts > index 4a3df2b77b0b..17521bb911c2 100644 > --- a/arch/arm64/boot/dts/freescale/imx8mm-phyboard-polis-rdk.dts > +++ b/arch/arm64/boot/dts/freescale/imx8mm-phyboard-polis-rdk.dts > @@ -168,6 +168,12 @@ &gpio5 { > "", "ECSPI1_SS0"; > }; > > +&i2c4 { > + clock-frequency = <400000>; > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_i2c4>; > +}; > + > /* PCIe */ > &pcie0 { > assigned-clocks = <&clk IMX8MM_CLK_PCIE1_AUX>, > @@ -336,6 +342,13 @@ MX8MM_IOMUXC_SAI1_RXD6_GPIO4_IO8 0x16 > >; > }; > > + pinctrl_i2c4: i2c4grp { > + fsl,pins = < > + MX8MM_IOMUXC_I2C4_SCL_I2C4_SCL 0x400 > 001c3 Bit 0 of the IOMUXC_SW_PAD_CTL_PAD registers is reserved. Can you change this in not setting the bit? > + MX8MM_IOMUXC_I2C4_SDA_I2C4_SDA 0x400 > 001c3 Same here. Thanks, Teresa > + >; > + }; > + > pinctrl_leds: leds1grp { > fsl,pins = < > MX8MM_IOMUXC_GPIO1_IO01_GPIO1_IO1 0x16 -- PHYTEC Messtechnik GmbH | Barcelona-Allee 1 | 55129 Mainz, Germany Geschäftsführer: Dipl.-Ing. Michael Mitezki, Dipl.-Ing. Bodo Huber | Handelsregister Mainz HRB 4656 | Finanzamt Mainz | St.Nr. 266500608, DE 149059855