diff options
Diffstat (limited to 'Documentation/devicetree/bindings/net/micrel.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/net/micrel.txt | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/net/micrel.txt b/Documentation/devicetree/bindings/net/micrel.txt index 8d157f0295a5..01622ce58112 100644 --- a/Documentation/devicetree/bindings/net/micrel.txt +++ b/Documentation/devicetree/bindings/net/micrel.txt @@ -16,6 +16,7 @@ Optional properties: KSZ8051: register 0x1f, bits 5..4 KSZ8081: register 0x1f, bits 5..4 KSZ8091: register 0x1f, bits 5..4 + LAN8814: register EP5.0, bit 6 See the respective PHY datasheet for the mode values. @@ -25,7 +26,7 @@ Optional properties: Setting the RMII Reference Clock Select bit enables 25 MHz rather than 50 MHz clock mode. - Note that this option in only needed for certain PHY revisions with a + Note that this option is only needed for certain PHY revisions with a non-standard, inverted function of this configuration bit. Specifically, a clock reference ("rmii-ref" below) is always needed to actually select a mode. @@ -45,3 +46,12 @@ Optional properties: In fiber mode, auto-negotiation is disabled and the PHY can only work in 100base-fx (full and half duplex) modes. + + - coma-mode-gpios: If present the given gpio will be deasserted when the + PHY is probed. + + Some PHYs have a COMA mode input pin which puts the PHY into + isolate and power-down mode. On some boards this input is connected + to a GPIO of the SoC. + + Supported on the LAN8814. |