MLK-16189 arm64: dts: enable i2c bus expander for imx8qxp-mek

enable i2c bus expander for imx8qxp-mek

Signed-off-by: Gao Pan <pandy.gao@nxp.com>

diff --git a/arch/arm64/boot/dts/freescale/fsl-imx8qxp-mek.dts b/arch/arm64/boot/dts/freescale/fsl-imx8qxp-mek.dts
index e8f26a1..8e81c49 100644 (file)
--- a/arch/arm64/boot/dts/freescale/fsl-imx8qxp-mek.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-imx8qxp-mek.dts
@@ -134,6 +134,12 @@
                        >;
                };
 
+               pinctrl_ioexp_rst: ioexp_rst_grp {
+                       fsl,pins = <
+                               SC_P_SPI2_SDO_LSIO_GPIO1_IO01   0x06000021
+                       >;
+               };
+
                pinctrl_isl29023: isl29023grp {
                        fsl,pins = <
                                SC_P_SPI2_SDI_LSIO_GPIO1_IO02   0x00000021
@@ -323,7 +329,8 @@
        #size-cells = <0>;
        clock-frequency = <100000>;
        pinctrl-names = "default";
-       pinctrl-0 = <&pinctrl_lpi2c1>;
+       pinctrl-0 = <&pinctrl_lpi2c1 &pinctrl_ioexp_rst>;
+       pinctrl-assert-gpios = <&gpio1 1 GPIO_ACTIVE_HIGH>;
        status = "okay";
 
        pca9646@71 {