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Date: Wed, 16 Dec 2020 09:02:00 +0300 From: Serge Semin <Sergey.Semin@...kalelectronics.ru> To: Rob Herring <robh@...nel.org> CC: Serge Semin <fancer.lancer@...il.com>, Giuseppe Cavallaro <peppe.cavallaro@...com>, Alexandre Torgue <alexandre.torgue@...com>, Jose Abreu <joabreu@...opsys.com>, "David S. Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>, Johan Hovold <johan@...nel.org>, Maxime Ripard <mripard@...nel.org>, Joao Pinto <jpinto@...opsys.com>, Lars Persson <larper@...s.com>, Alexey Malahov <Alexey.Malahov@...kalelectronics.ru>, Pavel Parkhomenko <Pavel.Parkhomenko@...kalelectronics.ru>, Vyacheslav Mitrofanov <Vyacheslav.Mitrofanov@...kalelectronics.ru>, Maxime Coquelin <mcoquelin.stm32@...il.com>, <netdev@...r.kernel.org>, <linux-stm32@...md-mailman.stormreply.com>, <linux-arm-kernel@...ts.infradead.org>, <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org> Subject: Re: [PATCH 06/25] dt-bindings: net: dwmac: Add Tx/Rx clock sources On Tue, Dec 15, 2020 at 11:32:04AM -0600, Rob Herring wrote: > 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/ Thanks. I'll fix it in v2. -Sergey > > > 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@...kalelectronics.ru> > > --- > > .../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 > >
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