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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>
This commit is contained in:
Russell King 2017-07-08 20:16:50 +01:00 committed by Gregory CLEMENT
parent 45df70cbd1
commit 8a91e1580b
1 changed files with 34 additions and 0 deletions
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34
arch/arm64/boot/dts/marvell/armada-8040-mcbin.dts
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@ -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";