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Date: Tue, 14 Jan 2014 11:17:38 -0600 From: Vince Bridgers <vbridgers2013@...il.com> To: devicetree@...r.kernel.org, netdev@...r.kernel.org Cc: peppe.cavallaro@...com, robh+dt@...nel.org, pawel.moll@....com, mark.rutland@....com, ijc+devicetree@...lion.org.uk, galak@...eaurora.org, dinguyen@...era.com, rayagond@...avyalabs.com, vbridgers2013@...il.com Subject: [PATCH net-next v3 1/2] dts: Add a binding for Synopsys emac max-frame-size This change adds a parameter for the Synopsys 10/100/1000 stmmac Ethernet driver to configure the maximum frame size supported by the EMAC driver. Synopsys allows the FIFO sizes to be configured when the cores are built for a particular device, but do not provide a way for the driver to read information from the device about the maximum MTU size supported as limited by the device's FIFO size. Signed-off-by: Vince Bridgers <vbridgers2013@...il.com> --- V3: change snps,max-frame-size to max-frame-size V2: change snps,max-mtu to snps,max-frame-size --- Documentation/devicetree/bindings/net/stmmac.txt | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/net/stmmac.txt b/Documentation/devicetree/bindings/net/stmmac.txt index eba0e5e..323d310 100644 --- a/Documentation/devicetree/bindings/net/stmmac.txt +++ b/Documentation/devicetree/bindings/net/stmmac.txt @@ -30,6 +30,10 @@ Required properties: Optional properties: - mac-address: 6 bytes, mac address +- max-frame-size: Maximum frame size permitted. This parameter is useful + since different implementations of the Synopsys MAC may + have different FIFO sizes depending on the selections + made in Synopsys Core Consultant. Examples: @@ -40,5 +44,6 @@ Examples: interrupts = <24 23>; interrupt-names = "macirq", "eth_wake_irq"; mac-address = [000000000000]; /* Filled in by U-Boot */ + max-frame-size = <3800>; phy-mode = "gmii"; }; -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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