arm64: dts: marvell: mcbin: add support for i2c mux
The MACCHIATOBin board has a PCA9548 I2C mux for the SFP ports on
CP100 master I2C bus 1. Add the DT description for it.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
diff --git a/arch/arm64/boot/dts/marvell/armada-8040-mcbin.dts b/arch/arm64/boot/dts/marvell/armada-8040-mcbin.dts
index da13ab2..77f62e2 100644
--- a/arch/arm64/boot/dts/marvell/armada-8040-mcbin.dts
+++ b/arch/arm64/boot/dts/marvell/armada-8040-mcbin.dts
@@ -121,6 +121,36 @@
status = "okay";
};
+&cpm_i2c1 {
+ clock-frequency = <100000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&cpm_i2c1_pins>;
+ status = "okay";
+
+ i2c-switch@70 {
+ compatible = "nxp,pca9548";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x70>;
+
+ sfpp0_i2c: i2c@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0>;
+ };
+ sfpp1_i2c: i2c@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+ };
+ sfp_1g_i2c: i2c@2 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <2>;
+ };
+ };
+};
+
&cpm_mdio {
pinctrl-names = "default";
pinctrl-0 = <&cpm_ge_mdio_pins>;
@@ -136,6 +166,10 @@
marvell,pins = "mpp32", "mpp34";
marvell,function = "ge";
};
+ cpm_i2c1_pins: i2c1-pins {
+ marvell,pins = "mpp35", "mpp36";
+ marvell,function = "i2c1";
+ };
cpm_i2c0_pins: i2c0-pins {
marvell,pins = "mpp37", "mpp38";
marvell,function = "i2c0";