These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / Documentation / devicetree / bindings / net / amd-xgbe.txt

diff --git a/kernel/Documentation/devicetree/bindings/net/amd-xgbe.txt b/kernel/Documentation/devicetree/bindings/net/amd-xgbe.txt
index 26efd52..4bb624a 100644 (file)
--- a/kernel/Documentation/devicetree/bindings/net/amd-xgbe.txt
+++ b/kernel/Documentation/devicetree/bindings/net/amd-xgbe.txt
@@ -5,12 +5,16 @@ Required properties:
 - reg: Address and length of the register sets for the device
    - MAC registers
    - PCS registers
+   - SerDes Rx/Tx registers
+   - SerDes integration registers (1/2)
+   - SerDes integration registers (2/2)
 - interrupt-parent: Should be the phandle for the interrupt controller
   that services interrupts for this device
 - interrupts: Should contain the amd-xgbe interrupt(s). The first interrupt
   listed is required and is the general device interrupt. If the optional
   amd,per-channel-interrupt property is specified, then one additional
-  interrupt for each DMA channel supported by the device should be specified
+  interrupt for each DMA channel supported by the device should be specified.
+  The last interrupt listed should be the PCS auto-negotiation interrupt.
 - clocks:
    - DMA clock for the amd-xgbe device (used for calculating the
      correct Rx interrupt watchdog timer value on a DMA channel
@@ -19,7 +23,6 @@ Required properties:
 - clock-names: Should be the names of the clocks
    - "dma_clk" for the DMA clock
    - "ptp_clk" for the PTP clock
-- phy-handle: See ethernet.txt file in the same directory
 - phy-mode: See ethernet.txt file in the same directory
 
 Optional properties:
@@ -29,19 +32,46 @@ Optional properties:
 - amd,per-channel-interrupt: Indicates that Rx and Tx complete will generate
   a unique interrupt for each DMA channel - this requires an additional
   interrupt be configured for each DMA channel
+- amd,speed-set: Speed capabilities of the device
+    0 - 1GbE and 10GbE (default)
+    1 - 2.5GbE and 10GbE
+
+The following optional properties are represented by an array with each
+value corresponding to a particular speed. The first array value represents
+the setting for the 1GbE speed, the second value for the 2.5GbE speed and
+the third value for the 10GbE speed.  All three values are required if the
+property is used.
+- amd,serdes-blwc: Baseline wandering correction enablement
+    0 - Off
+    1 - On
+- amd,serdes-cdr-rate: CDR rate speed selection
+- amd,serdes-pq-skew: PQ (data sampling) skew
+- amd,serdes-tx-amp: TX amplitude boost
+- amd,serdes-dfe-tap-config: DFE taps available to run
+- amd,serdes-dfe-tap-enable: DFE taps to enable
 
 Example:
        xgbe@e0700000 {
                compatible = "amd,xgbe-seattle-v1a";
                reg = <0 0xe0700000 0 0x80000>,
-                     <0 0xe0780000 0 0x80000>;
+                     <0 0xe0780000 0 0x80000>,
+                     <0 0xe1240800 0 0x00400>,
+                     <0 0xe1250000 0 0x00060>,
+                     <0 0xe1250080 0 0x00004>;
                interrupt-parent = <&gic>;
                interrupts = <0 325 4>,
-                            <0 326 1>, <0 327 1>, <0 328 1>, <0 329 1>;
+                            <0 326 1>, <0 327 1>, <0 328 1>, <0 329 1>,
+                            <0 323 4>;
                amd,per-channel-interrupt;
                clocks = <&xgbe_dma_clk>, <&xgbe_ptp_clk>;
                clock-names = "dma_clk", "ptp_clk";
-               phy-handle = <&phy>;
                phy-mode = "xgmii";
                mac-address = [ 02 a1 a2 a3 a4 a5 ];
+               amd,speed-set = <0>;
+               amd,serdes-blwc = <1>, <1>, <0>;
+               amd,serdes-cdr-rate = <2>, <2>, <7>;
+               amd,serdes-pq-skew = <10>, <10>, <30>;
+               amd,serdes-tx-amp = <15>, <15>, <10>;
+               amd,serdes-dfe-tap-config = <3>, <3>, <1>;
+               amd,serdes-dfe-tap-enable = <0>, <0>, <127>;
        };