drivers: net: stmmac: add port selection programming

[mirror_ubuntu-artful-kernel.git] / Documentation / devicetree / bindings / net / stmmac.txt

diff --git a/Documentation/devicetree/bindings/net/stmmac.txt b/Documentation/devicetree/bindings/net/stmmac.txt
index 95816c5fc589b971e924fba438a3e5e42f024670..41b49e6075f55a396cb0bef002e32ce4e079af98 100644 (file)
--- a/Documentation/devicetree/bindings/net/stmmac.txt
+++ b/Documentation/devicetree/bindings/net/stmmac.txt
@@ -47,6 +47,9 @@ Optional properties:
                                supported by this device instance
 - snps,perfect-filter-entries: Number of perfect filter entries supported
                                by this device instance
+- snps,ps-speed: port selection speed that can be passed to the core when
+                PCS is supported. For example, this is used in case of SGMII
+                and MAC2MAC connection.
 - AXI BUS Mode parameters: below the list of all the parameters to program the
                           AXI register inside the DMA module:
        - snps,lpi_en: enable Low Power Interface