[PATCH] arm64: zynqmp: Add device tree node for 2nd mux on I2C1 bus
From: Saeed Nowshadi saeed.nowshadi@xilinx.com
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 saeed.nowshadi@xilinx.com Signed-off-by: Michal Simek michal.simek@xilinx.com ---
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 a8bbb14f6cd1..b81919e31948 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 {
čt 27. 8. 2020 v 14:43 odesílatel Michal Simek michal.simek@xilinx.com napsal:
From: Saeed Nowshadi saeed.nowshadi@xilinx.com
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 saeed.nowshadi@xilinx.com Signed-off-by: Michal Simek michal.simek@xilinx.com
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 a8bbb14f6cd1..b81919e31948 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 {
2.28.0
Applied. M
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Michal Simek