The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)

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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/phy/brcm-sata-phy.txt

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    1 * Broadcom SATA3 PHY
    2 
    3 Required properties:
    4 - compatible: should be one or more of
    5      "brcm,bcm7216-sata-phy"
    6      "brcm,bcm7425-sata-phy"
    7      "brcm,bcm7445-sata-phy"
    8      "brcm,iproc-ns2-sata-phy"
    9      "brcm,iproc-nsp-sata-phy"
   10      "brcm,phy-sata3"
   11      "brcm,iproc-sr-sata-phy"
   12      "brcm,bcm63138-sata-phy"
   13 - address-cells: should be 1
   14 - size-cells: should be 0
   15 - reg: register ranges for the PHY PCB interface
   16 - reg-names: should be "phy" and "phy-ctrl"
   17      The "phy-ctrl" registers are only required for
   18      "brcm,iproc-ns2-sata-phy" and "brcm,iproc-sr-sata-phy".
   19 
   20 Sub-nodes:
   21   Each port's PHY should be represented as a sub-node.
   22 
   23 Sub-nodes required properties:
   24 - reg: the PHY number
   25 - phy-cells: generic PHY binding; must be 0
   26 
   27 Sub-nodes optional properties:
   28 - brcm,enable-ssc: use spread spectrum clocking (SSC) on this port
   29      This property is not applicable for "brcm,iproc-ns2-sata-phy",
   30      "brcm,iproc-nsp-sata-phy" and "brcm,iproc-sr-sata-phy".
   31 
   32 - brcm,rxaeq-mode: string that indicates the desired RX equalizer
   33   mode, possible values are:
   34         "off" (equivalent to not specifying the property)
   35         "auto"
   36         "manual" (brcm,rxaeq-value is used in that case)
   37 
   38 - brcm,rxaeq-value: when 'rxaeq-mode' is set to "manual", provides the RX
   39   equalizer value that should be used. Allowed range is 0..63.
   40 
   41 Example
   42         sata-phy@f0458100 {
   43                 compatible = "brcm,bcm7445-sata-phy", "brcm,phy-sata3";
   44                 reg = <0xf0458100 0x1e00>, <0xf045804c 0x10>;
   45                 reg-names = "phy";
   46                 #address-cells = <1>;
   47                 #size-cells = <0>;
   48 
   49                 sata-phy@0 {
   50                         reg = <0>;
   51                         #phy-cells = <0>;
   52                 };
   53 
   54                 sata-phy@1 {
   55                         reg = <1>;
   56                         #phy-cells = <0>;
   57                 };
   58         };

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