arm64: dts: imx8mp-phyboard-pollux: Enable i2c3

The i2c3 of the phyBOARD-Pollux is used on the CSI1 interface to connect
to imaging sensors. Thus define it so it can be easily enabled if
required.

Signed-off-by: Stefan Riedmueller <s.riedmueller@phytec.de>
Signed-off-by: Teresa Remmet <t.remmet@phytec.de>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Yannic Moog <y.moog@phytec.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts b/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts
index 6203e39bc01be476f16f5ac80b6365bce150ae37..7d34b820e3213a3832c5be47444d4e9c636a6202 100644 (file)
--- a/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts
@@ -228,6 +228,15 @@
        };
 };
 
+&i2c3 {
+       clock-frequency = <400000>;
+       pinctrl-names = "default", "gpio";
+       pinctrl-0 = <&pinctrl_i2c3>;
+       pinctrl-1 = <&pinctrl_i2c3_gpio>;
+       sda-gpios = <&gpio5 18 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+       scl-gpios = <&gpio5 19 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+};
+
 &ldb_lvds_ch1 {
        remote-endpoint = <&panel1_in>;
 };
@@ -442,6 +451,20 @@
                >;
        };
 
+       pinctrl_i2c3: i2c3grp {
+               fsl,pins = <
+                       MX8MP_IOMUXC_I2C3_SCL__I2C3_SCL         0x400001c2
+                       MX8MP_IOMUXC_I2C3_SDA__I2C3_SDA         0x400001c2
+               >;
+       };
+
+       pinctrl_i2c3_gpio: i2c3gpiogrp {
+               fsl,pins = <
+                       MX8MP_IOMUXC_I2C3_SCL__GPIO5_IO18       0x1e2
+                       MX8MP_IOMUXC_I2C3_SDA__GPIO5_IO19       0x1e2
+               >;
+       };
+
        pinctrl_lvds1: lvds1grp {
                fsl,pins = <
                        MX8MP_IOMUXC_SD2_WP__GPIO2_IO20         0x12