549 lines
14 KiB
Plaintext
549 lines
14 KiB
Plaintext
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=============================================================================
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Freescale Frame Manager Device Bindings
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CONTENTS
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- FMan Node
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- FMan Port Node
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- FMan MURAM Node
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- FMan dTSEC/XGEC/mEMAC Node
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- FMan IEEE 1588 Node
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- FMan MDIO Node
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- Example
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=============================================================================
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FMan Node
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DESCRIPTION
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Due to the fact that the FMan is an aggregation of sub-engines (ports, MACs,
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etc.) the FMan node will have child nodes for each of them.
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PROPERTIES
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- compatible
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Usage: required
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Value type: <stringlist>
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Definition: Must include "fsl,fman"
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FMan version can be determined via FM_IP_REV_1 register in the
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FMan block. The offset is 0xc4 from the beginning of the
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Frame Processing Manager memory map (0xc3000 from the
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beginning of the FMan node).
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- cell-index
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Usage: required
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Value type: <u32>
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Definition: Specifies the index of the FMan unit.
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The cell-index value may be used by the SoC, to identify the
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FMan unit in the SoC memory map. In the table below,
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there's a description of the cell-index use in each SoC:
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- P1023:
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register[bit] FMan unit cell-index
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============================================================
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DEVDISR[1] 1 0
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- P2041, P3041, P4080 P5020, P5040:
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register[bit] FMan unit cell-index
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============================================================
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DCFG_DEVDISR2[6] 1 0
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DCFG_DEVDISR2[14] 2 1
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(Second FM available only in P4080 and P5040)
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- B4860, T1040, T2080, T4240:
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register[bit] FMan unit cell-index
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============================================================
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DCFG_CCSR_DEVDISR2[24] 1 0
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DCFG_CCSR_DEVDISR2[25] 2 1
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(Second FM available only in T4240)
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DEVDISR, DCFG_DEVDISR2 and DCFG_CCSR_DEVDISR2 are located in
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the specific SoC "Device Configuration/Pin Control" Memory
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Map.
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- reg
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Usage: required
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Value type: <prop-encoded-array>
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Definition: A standard property. Specifies the offset of the
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following configuration registers:
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- BMI configuration registers.
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- QMI configuration registers.
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- DMA configuration registers.
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- FPM configuration registers.
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- FMan controller configuration registers.
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- ranges
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Usage: required
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Value type: <prop-encoded-array>
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Definition: A standard property.
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- clocks
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Usage: required
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Value type: <prop-encoded-array>
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Definition: phandle for the fman input clock.
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- clock-names
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usage: required
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Value type: <stringlist>
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Definition: "fmanclk" for the fman input clock.
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- interrupts
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Usage: required
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Value type: <prop-encoded-array>
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Definition: A pair of IRQs are specified in this property.
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The first element is associated with the event interrupts and
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the second element is associated with the error interrupts.
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- fsl,qman-channel-range
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Usage: required
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Value type: <prop-encoded-array>
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Definition: Specifies the range of the available dedicated
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channels in the FMan. The first cell specifies the beginning
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of the range and the second cell specifies the number of
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channels.
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Further information available at:
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"Work Queue (WQ) Channel Assignments in the QMan" section
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in DPAA Reference Manual.
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- fsl,qman
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- fsl,bman
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Usage: required
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Definition: See soc/fsl/qman.txt and soc/fsl/bman.txt
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- fsl,erratum-a050385
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Usage: optional
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Value type: boolean
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Definition: A boolean property. Indicates the presence of the
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erratum A050385 which indicates that DMA transactions that are
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split can result in a FMan lock.
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=============================================================================
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FMan MURAM Node
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DESCRIPTION
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FMan Internal memory - shared between all the FMan modules.
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It contains data structures that are common and written to or read by
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the modules.
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FMan internal memory is split into the following parts:
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Packet buffering (Tx/Rx FIFOs)
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Frames internal context
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PROPERTIES
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- compatible
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Usage: required
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Value type: <stringlist>
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Definition: Must include "fsl,fman-muram"
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- ranges
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Usage: required
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Value type: <prop-encoded-array>
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Definition: A standard property.
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Specifies the multi-user memory offset and the size within
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the FMan.
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EXAMPLE
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muram@0 {
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compatible = "fsl,fman-muram";
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ranges = <0 0x000000 0x28000>;
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};
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=============================================================================
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FMan Port Node
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DESCRIPTION
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The Frame Manager (FMan) supports several types of hardware ports:
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Ethernet receiver (RX)
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Ethernet transmitter (TX)
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Offline/Host command (O/H)
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PROPERTIES
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- compatible
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Usage: required
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Value type: <stringlist>
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Definition: A standard property.
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Must include one of the following:
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- "fsl,fman-v2-port-oh" for FManV2 OH ports
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- "fsl,fman-v2-port-rx" for FManV2 RX ports
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- "fsl,fman-v2-port-tx" for FManV2 TX ports
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- "fsl,fman-v3-port-oh" for FManV3 OH ports
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- "fsl,fman-v3-port-rx" for FManV3 RX ports
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- "fsl,fman-v3-port-tx" for FManV3 TX ports
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- cell-index
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Usage: required
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Value type: <u32>
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Definition: Specifies the hardware port id.
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Each hardware port on the FMan has its own hardware PortID.
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Super set of all hardware Port IDs available at FMan Reference
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Manual under "FMan Hardware Ports in Freescale Devices" table.
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Each hardware port is assigned a 4KB, port-specific page in
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the FMan hardware port memory region (which is part of the
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FMan memory map). The first 4 KB in the FMan hardware ports
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memory region is used for what are called common registers.
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The subsequent 63 4KB pages are allocated to the hardware
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ports.
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The page of a specific port is determined by the cell-index.
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- reg
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Usage: required
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Value type: <prop-encoded-array>
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Definition: There is one reg region describing the port
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configuration registers.
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- fsl,fman-10g-port
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Usage: optional
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Value type: boolean
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Definition: The default port rate is 1G.
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If this property exists, the port is s 10G port.
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- fsl,fman-best-effort-port
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Usage: optional
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Value type: boolean
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Definition: Can be defined only if 10G-support is set.
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This property marks a best-effort 10G port (10G port that
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may not be capable of line rate).
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EXAMPLE
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port@a8000 {
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cell-index = <0x28>;
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compatible = "fsl,fman-v2-port-tx";
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reg = <0xa8000 0x1000>;
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};
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port@88000 {
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cell-index = <0x8>;
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compatible = "fsl,fman-v2-port-rx";
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reg = <0x88000 0x1000>;
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};
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port@81000 {
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cell-index = <0x1>;
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compatible = "fsl,fman-v2-port-oh";
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reg = <0x81000 0x1000>;
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};
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=============================================================================
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FMan dTSEC/XGEC/mEMAC Node
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Refer to Documentation/devicetree/bindings/net/fsl,fman-dtsec.yaml
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============================================================================
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FMan IEEE 1588 Node
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Refer to Documentation/devicetree/bindings/ptp/ptp-qoriq.txt
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=============================================================================
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FMan MDIO Node
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DESCRIPTION
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The MDIO is a bus to which the PHY devices are connected.
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PROPERTIES
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- compatible
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Usage: required
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Value type: <stringlist>
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Definition: A standard property.
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Must include "fsl,fman-mdio" for 1 Gb/s MDIO from FMan v2.
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Must include "fsl,fman-xmdio" for 10 Gb/s MDIO from FMan v2.
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Must include "fsl,fman-memac-mdio" for 1/10 Gb/s MDIO from
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FMan v3.
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- reg
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Usage: required
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Value type: <prop-encoded-array>
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Definition: A standard property.
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- clocks
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Usage: optional
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Value type: <phandle>
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Definition: A reference to the input clock of the controller
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from which the MDC frequency is derived.
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- clock-frequency
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Usage: optional
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Value type: <u32>
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Definition: Specifies the external MDC frequency, in Hertz, to
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be used. Requires that the input clock is specified in the
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"clocks" property. See also: mdio.yaml.
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- suppress-preamble
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Usage: optional
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Value type: <boolean>
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Definition: Disable generation of preamble bits. See also:
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mdio.yaml.
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- interrupts
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Usage: required for external MDIO
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Value type: <prop-encoded-array>
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Definition: Event interrupt of external MDIO controller.
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- fsl,fman-internal-mdio
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Usage: required for internal MDIO
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Value type: boolean
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Definition: Fman has internal MDIO for internal PCS(Physical
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Coding Sublayer) PHYs and external MDIO for external PHYs.
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The settings and programming routines for internal/external
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MDIO are different. Must be included for internal MDIO.
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- fsl,erratum-a009885
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Usage: optional
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Value type: <boolean>
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Definition: Indicates the presence of the A009885
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erratum describing that the contents of MDIO_DATA may
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become corrupt unless it is read within 16 MDC cycles
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of MDIO_CFG[BSY] being cleared, when performing an
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MDIO read operation.
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- fsl,erratum-a011043
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Usage: optional
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Value type: <boolean>
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Definition: Indicates the presence of the A011043 erratum
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describing that the MDIO_CFG[MDIO_RD_ER] bit may be falsely
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set when reading internal PCS registers. MDIO reads to
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internal PCS registers may result in having the
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MDIO_CFG[MDIO_RD_ER] bit set, even when there is no error and
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read data (MDIO_DATA[MDIO_DATA]) is correct.
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Software may get false read error when reading internal
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PCS registers through MDIO. As a workaround, all internal
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MDIO accesses should ignore the MDIO_CFG[MDIO_RD_ER] bit.
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For internal PHY device on internal mdio bus, a PHY node should be created.
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See the definition of the PHY node in booting-without-of.txt for an
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example of how to define a PHY (Internal PHY has no interrupt line).
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- For "fsl,fman-mdio" compatible internal mdio bus, the PHY is TBI PHY.
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- For "fsl,fman-memac-mdio" compatible internal mdio bus, the PHY is PCS PHY.
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The PCS PHY address should correspond to the value of the appropriate
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MDEV_PORT.
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EXAMPLE
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Example for FMan v2 external MDIO:
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mdio@f1000 {
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compatible = "fsl,fman-xmdio";
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reg = <0xf1000 0x1000>;
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interrupts = <101 2 0 0>;
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};
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Example for FMan v2 internal MDIO:
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mdio@e3120 {
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compatible = "fsl,fman-mdio";
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reg = <0xe3120 0xee0>;
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fsl,fman-internal-mdio;
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tbi1: tbi-phy@8 {
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reg = <0x8>;
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device_type = "tbi-phy";
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};
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};
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Example for FMan v3 internal MDIO:
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mdio@f1000 {
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compatible = "fsl,fman-memac-mdio";
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reg = <0xf1000 0x1000>;
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fsl,fman-internal-mdio;
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pcsphy6: ethernet-phy@0 {
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reg = <0x0>;
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};
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};
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=============================================================================
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Example
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fman@400000 {
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#address-cells = <1>;
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#size-cells = <1>;
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cell-index = <1>;
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compatible = "fsl,fman"
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ranges = <0 0x400000 0x100000>;
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reg = <0x400000 0x100000>;
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clocks = <&fman_clk>;
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clock-names = "fmanclk";
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interrupts = <
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96 2 0 0
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16 2 1 1>;
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fsl,qman-channel-range = <0x40 0xc>;
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muram@0 {
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compatible = "fsl,fman-muram";
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reg = <0x0 0x28000>;
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};
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port@81000 {
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cell-index = <1>;
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compatible = "fsl,fman-v2-port-oh";
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reg = <0x81000 0x1000>;
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};
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port@82000 {
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cell-index = <2>;
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compatible = "fsl,fman-v2-port-oh";
|
||
|
|
reg = <0x82000 0x1000>;
|
||
|
|
};
|
||
|
|
|
||
|
|
port@83000 {
|
||
|
|
cell-index = <3>;
|
||
|
|
compatible = "fsl,fman-v2-port-oh";
|
||
|
|
reg = <0x83000 0x1000>;
|
||
|
|
};
|
||
|
|
|
||
|
|
port@84000 {
|
||
|
|
cell-index = <4>;
|
||
|
|
compatible = "fsl,fman-v2-port-oh";
|
||
|
|
reg = <0x84000 0x1000>;
|
||
|
|
};
|
||
|
|
|
||
|
|
port@85000 {
|
||
|
|
cell-index = <5>;
|
||
|
|
compatible = "fsl,fman-v2-port-oh";
|
||
|
|
reg = <0x85000 0x1000>;
|
||
|
|
};
|
||
|
|
|
||
|
|
port@86000 {
|
||
|
|
cell-index = <6>;
|
||
|
|
compatible = "fsl,fman-v2-port-oh";
|
||
|
|
reg = <0x86000 0x1000>;
|
||
|
|
};
|
||
|
|
|
||
|
|
fman1_rx_0x8: port@88000 {
|
||
|
|
cell-index = <0x8>;
|
||
|
|
compatible = "fsl,fman-v2-port-rx";
|
||
|
|
reg = <0x88000 0x1000>;
|
||
|
|
};
|
||
|
|
|
||
|
|
fman1_rx_0x9: port@89000 {
|
||
|
|
cell-index = <0x9>;
|
||
|
|
compatible = "fsl,fman-v2-port-rx";
|
||
|
|
reg = <0x89000 0x1000>;
|
||
|
|
};
|
||
|
|
|
||
|
|
fman1_rx_0xa: port@8a000 {
|
||
|
|
cell-index = <0xa>;
|
||
|
|
compatible = "fsl,fman-v2-port-rx";
|
||
|
|
reg = <0x8a000 0x1000>;
|
||
|
|
};
|
||
|
|
|
||
|
|
fman1_rx_0xb: port@8b000 {
|
||
|
|
cell-index = <0xb>;
|
||
|
|
compatible = "fsl,fman-v2-port-rx";
|
||
|
|
reg = <0x8b000 0x1000>;
|
||
|
|
};
|
||
|
|
|
||
|
|
fman1_rx_0xc: port@8c000 {
|
||
|
|
cell-index = <0xc>;
|
||
|
|
compatible = "fsl,fman-v2-port-rx";
|
||
|
|
reg = <0x8c000 0x1000>;
|
||
|
|
};
|
||
|
|
|
||
|
|
fman1_rx_0x10: port@90000 {
|
||
|
|
cell-index = <0x10>;
|
||
|
|
compatible = "fsl,fman-v2-port-rx";
|
||
|
|
reg = <0x90000 0x1000>;
|
||
|
|
};
|
||
|
|
|
||
|
|
fman1_tx_0x28: port@a8000 {
|
||
|
|
cell-index = <0x28>;
|
||
|
|
compatible = "fsl,fman-v2-port-tx";
|
||
|
|
reg = <0xa8000 0x1000>;
|
||
|
|
};
|
||
|
|
|
||
|
|
fman1_tx_0x29: port@a9000 {
|
||
|
|
cell-index = <0x29>;
|
||
|
|
compatible = "fsl,fman-v2-port-tx";
|
||
|
|
reg = <0xa9000 0x1000>;
|
||
|
|
};
|
||
|
|
|
||
|
|
fman1_tx_0x2a: port@aa000 {
|
||
|
|
cell-index = <0x2a>;
|
||
|
|
compatible = "fsl,fman-v2-port-tx";
|
||
|
|
reg = <0xaa000 0x1000>;
|
||
|
|
};
|
||
|
|
|
||
|
|
fman1_tx_0x2b: port@ab000 {
|
||
|
|
cell-index = <0x2b>;
|
||
|
|
compatible = "fsl,fman-v2-port-tx";
|
||
|
|
reg = <0xab000 0x1000>;
|
||
|
|
};
|
||
|
|
|
||
|
|
fman1_tx_0x2c: port@ac0000 {
|
||
|
|
cell-index = <0x2c>;
|
||
|
|
compatible = "fsl,fman-v2-port-tx";
|
||
|
|
reg = <0xac000 0x1000>;
|
||
|
|
};
|
||
|
|
|
||
|
|
fman1_tx_0x30: port@b0000 {
|
||
|
|
cell-index = <0x30>;
|
||
|
|
compatible = "fsl,fman-v2-port-tx";
|
||
|
|
reg = <0xb0000 0x1000>;
|
||
|
|
};
|
||
|
|
|
||
|
|
ethernet@e0000 {
|
||
|
|
compatible = "fsl,fman-dtsec";
|
||
|
|
cell-index = <0>;
|
||
|
|
reg = <0xe0000 0x1000>;
|
||
|
|
fsl,fman-ports = <&fman1_rx_0x8 &fman1_tx_0x28>;
|
||
|
|
tbi-handle = <&tbi5>;
|
||
|
|
};
|
||
|
|
|
||
|
|
ethernet@e2000 {
|
||
|
|
compatible = "fsl,fman-dtsec";
|
||
|
|
cell-index = <1>;
|
||
|
|
reg = <0xe2000 0x1000>;
|
||
|
|
fsl,fman-ports = <&fman1_rx_0x9 &fman1_tx_0x29>;
|
||
|
|
tbi-handle = <&tbi6>;
|
||
|
|
};
|
||
|
|
|
||
|
|
ethernet@e4000 {
|
||
|
|
compatible = "fsl,fman-dtsec";
|
||
|
|
cell-index = <2>;
|
||
|
|
reg = <0xe4000 0x1000>;
|
||
|
|
fsl,fman-ports = <&fman1_rx_0xa &fman1_tx_0x2a>;
|
||
|
|
tbi-handle = <&tbi7>;
|
||
|
|
};
|
||
|
|
|
||
|
|
ethernet@e6000 {
|
||
|
|
compatible = "fsl,fman-dtsec";
|
||
|
|
cell-index = <3>;
|
||
|
|
reg = <0xe6000 0x1000>;
|
||
|
|
fsl,fman-ports = <&fman1_rx_0xb &fman1_tx_0x2b>;
|
||
|
|
tbi-handle = <&tbi8>;
|
||
|
|
};
|
||
|
|
|
||
|
|
ethernet@e8000 {
|
||
|
|
compatible = "fsl,fman-dtsec";
|
||
|
|
cell-index = <4>;
|
||
|
|
reg = <0xf0000 0x1000>;
|
||
|
|
fsl,fman-ports = <&fman1_rx_0xc &fman1_tx_0x2c>;
|
||
|
|
tbi-handle = <&tbi9>;
|
||
|
|
|
||
|
|
ethernet@f0000 {
|
||
|
|
cell-index = <8>;
|
||
|
|
compatible = "fsl,fman-xgec";
|
||
|
|
reg = <0xf0000 0x1000>;
|
||
|
|
fsl,fman-ports = <&fman1_rx_0x10 &fman1_tx_0x30>;
|
||
|
|
};
|
||
|
|
|
||
|
|
ptp-timer@fe000 {
|
||
|
|
compatible = "fsl,fman-ptp-timer";
|
||
|
|
reg = <0xfe000 0x1000>;
|
||
|
|
};
|
||
|
|
|
||
|
|
mdio@f1000 {
|
||
|
|
compatible = "fsl,fman-xmdio";
|
||
|
|
reg = <0xf1000 0x1000>;
|
||
|
|
interrupts = <101 2 0 0>;
|
||
|
|
};
|
||
|
|
};
|