linux-kernel - Re: [PATCH v5 2/4] Documentation: Bindings: Add STM32 DWMAC glue

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Message-ID: <CAGb2v65SvVi0cJbaaD9cYrqC3pJ9eumwhTVk11_N7r_nTZhS9g@mail.gmail.com>
Date:	Sat, 19 Mar 2016 00:00:22 +0800
From:	Chen-Yu Tsai <wens@...e.org>
To:	Alexandre TORGUE <alexandre.torgue@...il.com>
Cc:	Maxime Coquelin <mcoquelin.stm32@...il.com>,
	Giuseppe Cavallaro <peppe.cavallaro@...com>,
	netdev <netdev@...r.kernel.org>,
	devicetree <devicetree@...r.kernel.org>,
	Joachim Eastwood <manabian@...il.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v5 2/4] Documentation: Bindings: Add STM32 DWMAC glue

Hi,

On Fri, Mar 18, 2016 at 11:37 PM, Alexandre TORGUE
<alexandre.torgue@...il.com> wrote:
> Signed-off-by: Alexandre TORGUE <alexandre.torgue@...il.com>
>
> 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@...28000 {
> +                       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
>
>
> _______________________________________________
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> linux-arm-kernel@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

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