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Date: Mon, 14 Dec 2020 12:15:56 +0300 From: Serge Semin <Sergey.Semin@...kalelectronics.ru> To: Rob Herring <robh+dt@...nel.org>, 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> CC: Serge Semin <Sergey.Semin@...kalelectronics.ru>, Serge Semin <fancer.lancer@...il.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: [PATCH 06/25] dt-bindings: net: dwmac: Add Tx/Rx clock sources Generic DW *MAC can be connected to an external Tramit and Receive clock 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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