On Mon, Dec 14, 2020 at 12:15:56PM +0300, Serge Semin wrote: > Generic DW *MAC can be connected to an external Tramit and Receive clock s/Tramit/Transmit/ > generators. Add the corresponding clocks description and clock-names to > the generic bindings schema so new DW *MAC-based bindings wouldn't declare > its own names of the same clocks. > > Signed-off-by: Serge Semin <Sergey.Semin@xxxxxxxxxxxxxxxxxxxx> > --- > .../devicetree/bindings/net/snps,dwmac.yaml | 14 ++++++++++++++ > 1 file changed, 14 insertions(+) > > diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Documentation/devicetree/bindings/net/snps,dwmac.yaml > index e1ebe5c8b1da..74820f491346 100644 > --- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml > +++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml > @@ -126,6 +126,18 @@ properties: > MCI, CSR and SMA interfaces run on this clock. If it's omitted, > the CSR interfaces are considered as synchronous to the system > clock domain. > + - description: > + GMAC Tx clock or so called Transmit clock. The clock is supplied > + by an external with respect to the DW MAC clock generator. > + The clock source and its frequency depends on the DW MAC xMII mode. > + In case if it's supplied by PHY/SerDes this property can be > + omitted. > + - description: > + GMAC Rx clock or so called Receive clock. The clock is supplied > + by an external with respect to the DW MAC clock generator. > + The clock source and its frequency depends on the DW MAC xMII mode. > + In case if it's supplied by PHY/SerDes or it's synchronous to > + the Tx clock this property can be omitted. > - description: > PTP reference clock. This clock is used for programming the > Timestamp Addend Register. If not passed then the system > @@ -139,6 +151,8 @@ properties: > enum: > - stmmaceth > - pclk > + - tx > + - rx > - ptp_ref > > resets: > -- > 2.29.2 >
