From 02abe1fbf3a8b7a6e50a5ed60d3b413a58775502 Mon Sep 17 00:00:00 2001 From: Saeed Nowshadi Date: Mon, 3 Aug 2020 23:24:04 -0700 Subject: [PATCH] arm64: zynqmp: Add device tree node for 2nd mux on I2C1 bus There is 2nd pca9548 mux on I2C1 bus that controls SFP0, SFP1, and QSFP1 ports. Channel 0 and 1 are connected to J287 connector for SFP0 & SFP1, and channel 2 is connected to J288 connector for QSFP1. Signed-off-by: Saeed Nowshadi Signed-off-by: Michal Simek --- arch/arm/dts/zynqmp-e-a2197-00-revA.dts | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/arch/arm/dts/zynqmp-e-a2197-00-revA.dts b/arch/arm/dts/zynqmp-e-a2197-00-revA.dts index a8bbb14f6c..b81919e319 100644 --- a/arch/arm/dts/zynqmp-e-a2197-00-revA.dts +++ b/arch/arm/dts/zynqmp-e-a2197-00-revA.dts @@ -554,6 +554,31 @@ reg = <7>; }; }; + i2c-mux@75 { /* u214 */ + compatible = "nxp,pca9548"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x75>; + i2c@0 { /* SFP0_IIC */ + #address-cells = <1>; + #size-cells = <0>; + reg = <0>; + /* SFP0 */ + }; + i2c@1 { /* SFP1_IIC */ + #address-cells = <1>; + #size-cells = <0>; + reg = <1>; + /* SFP1 */ + }; + i2c@2 { /* QSFP1_I2C */ + #address-cells = <1>; + #size-cells = <0>; + reg = <2>; + /* QSFP1 */ + }; + /* 3 - 7 unused */ + }; }; &xilinx_ams { -- 2.39.5