131 lines
3.1 KiB
Plaintext
131 lines
3.1 KiB
Plaintext
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* Network
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Currently defined compatibles:
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- fsl,cpm1-scc-enet
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- fsl,cpm2-scc-enet
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- fsl,cpm1-fec-enet
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- fsl,cpm2-fcc-enet (third resource is GFEMR)
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- fsl,qe-enet
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Example:
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ethernet@11300 {
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compatible = "fsl,mpc8272-fcc-enet",
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"fsl,cpm2-fcc-enet";
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reg = <11300 20 8400 100 11390 1>;
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local-mac-address = [ 00 00 00 00 00 00 ];
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interrupts = <20 8>;
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interrupt-parent = <&PIC>;
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phy-handle = <&PHY0>;
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fsl,cpm-command = <12000300>;
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};
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* MDIO
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Currently defined compatibles:
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fsl,pq1-fec-mdio (reg is same as first resource of FEC device)
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fsl,cpm2-mdio-bitbang (reg is port C registers)
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Properties for fsl,cpm2-mdio-bitbang:
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fsl,mdio-pin : pin of port C controlling mdio data
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fsl,mdc-pin : pin of port C controlling mdio clock
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Example:
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mdio@10d40 {
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compatible = "fsl,mpc8272ads-mdio-bitbang",
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"fsl,mpc8272-mdio-bitbang",
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"fsl,cpm2-mdio-bitbang";
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reg = <10d40 14>;
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#address-cells = <1>;
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#size-cells = <0>;
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fsl,mdio-pin = <12>;
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fsl,mdc-pin = <13>;
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};
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* HDLC
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Currently defined compatibles:
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- fsl,ucc-hdlc
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Properties for fsl,ucc-hdlc:
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- rx-clock-name
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- tx-clock-name
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Usage: required
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Value type: <string>
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Definition : Must be "brg1"-"brg16" for internal clock source,
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Must be "clk1"-"clk24" for external clock source.
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- fsl,tdm-interface
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Usage: optional
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Value type: <empty>
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Definition : Specify that hdlc is based on tdm-interface
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The property below is dependent on fsl,tdm-interface:
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- fsl,rx-sync-clock
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Usage: required
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Value type: <string>
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Definition : Must be "none", "rsync_pin", "brg9-11" and "brg13-15".
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- fsl,tx-sync-clock
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Usage: required
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Value type: <string>
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Definition : Must be "none", "tsync_pin", "brg9-11" and "brg13-15".
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- fsl,tdm-framer-type
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Usage: required for tdm interface
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Value type: <string>
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Definition : "e1" or "t1".Now e1 and t1 are used, other framer types
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are not supported.
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- fsl,tdm-id
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Usage: required for tdm interface
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Value type: <u32>
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Definition : number of TDM ID
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- fsl,tx-timeslot-mask
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- fsl,rx-timeslot-mask
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Usage: required for tdm interface
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Value type: <u32>
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Definition : time slot mask for TDM operation. Indicates which time
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slots used for transmitting and receiving.
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- fsl,siram-entry-id
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Usage: required for tdm interface
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Value type: <u32>
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Definition : Must be 0,2,4...64. the number of TDM entry.
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- fsl,tdm-internal-loopback
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usage: optional for tdm interface
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value type: <empty>
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Definition : Internal loopback connecting on TDM layer.
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- fsl,hmask
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usage: optional
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Value type: <u16>
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Definition: HDLC address recognition. Set to zero to disable
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address filtering of packets:
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fsl,hmask = /bits/ 16 <0x0000>;
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Example for tdm interface:
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ucc@2000 {
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compatible = "fsl,ucc-hdlc";
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rx-clock-name = "clk8";
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tx-clock-name = "clk9";
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fsl,rx-sync-clock = "rsync_pin";
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fsl,tx-sync-clock = "tsync_pin";
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fsl,tx-timeslot-mask = <0xfffffffe>;
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fsl,rx-timeslot-mask = <0xfffffffe>;
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fsl,tdm-framer-type = "e1";
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fsl,tdm-id = <0>;
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fsl,siram-entry-id = <0>;
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fsl,tdm-interface;
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};
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Example for hdlc without tdm interface:
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ucc@2000 {
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compatible = "fsl,ucc-hdlc";
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rx-clock-name = "brg1";
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tx-clock-name = "brg1";
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};
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