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Documentation: Bindings: Add STM32 DWMAC glue

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Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Alexandre TORGUE <alexandre.torgue@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Alexandre TORGUE 2016-08-29 18:23:39 +02:00 committed by David S. Miller
parent c6eec6f332
commit 99abf9d664
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Documentation/devicetree/bindings/net/stm32-dwmac.txt Normal file
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STMicroelectronics STM32 / MCU DWMAC glue layer controller
This file documents platform glue layer for stmmac.
Please see stmmac.txt for the other unchanged properties.
The device node has following properties.
Required properties:
- compatible: Should be "st,stm32-dwmac" to select glue, and
"snps,dwmac-3.50a" to select IP version.
- clocks: Must contain a phandle for each entry in clock-names.
- clock-names: Should be "stmmaceth" for the host clock.
Should be "mac-clk-tx" for the MAC TX clock.
Should be "mac-clk-rx" for the MAC RX clock.
- st,syscon : Should be phandle/offset pair. The phandle to the syscon node which
encompases the glue register, and the offset of the control register.
Example:
ethernet@40028000 {
compatible = "st,stm32-dwmac", "snps,dwmac-3.50a";
status = "disabled";
reg = <0x40028000 0x8000>;
reg-names = "stmmaceth";
interrupts = <0 61 0>, <0 62 0>;
interrupt-names = "macirq", "eth_wake_irq";
clock-names = "stmmaceth", "mac-clk-tx", "mac-clk-rx";
clocks = <&rcc 0 25>, <&rcc 0 26>, <&rcc 0 27>;
st,syscon = <&syscfg 0x4>;
snps,pbl = <8>;
snps,mixed-burst;
dma-ranges;
};