Re: [PATCH 06/25] dt-bindings: net: dwmac: Add Tx/Rx clock sources
From: Serge Semin <hidden>
Date: 2020-12-16 06:03:01
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linux-arm-kernel, linux-devicetree, lkml
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:quoted
Generic DW *MAC can be connected to an external Tramit and Receive clock
s/Tramit/Transmit/
Thanks. I'll fix it in v2. -Sergey
quoted
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 <redacted> --- .../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