From 8a91e1580b98f046a0a792fb20f43dda53955535 Mon Sep 17 00:00:00 2001 From: Russell King Date: Sat, 8 Jul 2017 20:16:50 +0100 Subject: [PATCH] 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 Signed-off-by: Gregory CLEMENT --- arch/arm64/boot/dts/marvell/armada-8040-mcbin.dts | 34 +++++++++++++++++++++++ 1 file changed, 34 insertions(+) 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"; -- 2.7.4