arm64: dts: freescale: imx8mm-phyboard: Add I2C4 pinmuxing

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@ideasonboard.com>
Acked-by: Teresa Remmet <t.remmet@phytec.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

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 266129b4a70d980a87be011b906c20d1d470478e..03e7679217b24d9f09381a437fffdfabf8d167a9 100644 (file)
--- 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 @@
                "", "ECSPI1_SS0";
 };
 
+&i2c4 {
+       clock-frequency = <400000>;
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_i2c4>;
+};
+
 /* PCIe */
 &pcie0 {
        assigned-clocks = <&clk IMX8MM_CLK_PCIE1_AUX>,
@@ -333,6 +339,13 @@
                >;
        };
 
+       pinctrl_i2c4: i2c4grp {
+               fsl,pins = <
+                       MX8MM_IOMUXC_I2C4_SCL_I2C4_SCL          0x400001c2
+                       MX8MM_IOMUXC_I2C4_SDA_I2C4_SDA          0x400001c2
+               >;
+       };
+
        pinctrl_leds: leds1grp {
                fsl,pins = <
                        MX8MM_IOMUXC_GPIO1_IO01_GPIO1_IO1       0x16