Re: [PATCH v5 2/4] Documentation: Bindings: Add STM32 DWMAC glue
From: Chen-Yu Tsai
Date: Fri Mar 18 2016 - 12:00:54 EST
Hi,
On Fri, Mar 18, 2016 at 11:37 PM, Alexandre TORGUE
<alexandre.torgue@xxxxxxxxx> wrote:
> Signed-off-by: Alexandre TORGUE <alexandre.torgue@xxxxxxxxx>
>
> diff --git a/Documentation/devicetree/bindings/net/stm32-dwmac.txt b/Documentation/devicetree/bindings/net/stm32-dwmac.txt
> new file mode 100644
> index 0000000..ada2aa4
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/stm32-dwmac.txt
> @@ -0,0 +1,32 @@
> +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 vesrion.
If you need have sort of hardware glue, then it is not compatible.
ChenYu
> +- clocks: Must contain a phandle for each entry in clock-names.
> +- clock-names: Should be "stmmaceth" for the host clock.
> + Should be "tx-clk" for the MAC TX clock.
> + Should be "rx-clk" 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:
> +
> + ethernet0: dwmac@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", "tx-clk", "rx-clk";
> + clocks = <&rcc 0 25>, <&rcc 0 26>, <&rcc 0 27>;
> + st,syscon = <&syscfg 0x4>;
> + snps,pbl = <8>;
> + snps,mixed-burst;
> + dma-ranges;
> + };
> --
> 1.9.1
>
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel