[PATCHi v2] net: sh_eth: Add support of device tree probe

Magnus Damm magnus.damm at gmail.com
Thu Feb 14 12:47:27 EST 2013


Hi Iwamatsu-san,

On Thu, Feb 14, 2013 at 9:51 AM, Nobuhiro Iwamatsu
<nobuhiro.iwamatsu.yj at renesas.com> wrote:
> This adds support of device tree probe for Renesas sh-ether driver.
>
> Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj at renesas.com>
>
> ---
> V2: - Removed ether_setup().
>     - Fixed typo from "sh-etn" to "sh-eth".
>         - Removed "needs-init" and sh-eth,endian from definition of DT.
>         - Changed "sh-eth,edmac-endian" instead of "sh-eth,edmac-big-endain"
>           in definition of DT.
>
>  Documentation/devicetree/bindings/net/sh_ether.txt |   41 +++++
>  drivers/net/ethernet/renesas/sh_eth.c              |  156 +++++++++++++++++---
>  2 files changed, 173 insertions(+), 24 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/net/sh_ether.txt
>
> diff --git a/Documentation/devicetree/bindings/net/sh_ether.txt b/Documentation/devicetree/bindings/net/sh_ether.txt
> new file mode 100644
> index 0000000..7415e54
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/sh_ether.txt
> @@ -0,0 +1,41 @@
> +* Renesas Electronics SuperH EMAC
> +
> +This file provides information, what the device node
> +for the sh_eth interface contains.
> +
> +Required properties:
> +- compatible:                   "renesas,sh-eth";
> +- interrupt-parent:             The phandle for the interrupt controller that
> +                                services interrupts for this device.
> +- reg:                          Offset and length of the register set for the
> +                                device.
> +- interrupts:                   Interrupt mapping for the sh_eth interrupt
> +                                sources (vector id).
> +- phy-mode:                     String, operation mode of the PHY interface.
> +- sh-eth,register-type:         String, register type of sh_eth.
> +                                Please select "gigabit", "fast-sh4" or
> +                                "fast-sh3-sh2".
> +- sh-eth,phy-id:                PHY id.
> +
> +Optional properties:
> +- local-mac-address:            6 bytes, mac address
> +- sh-eth,no-ether-link:         Set link control by software. When device does
> +                                not support ether-link, set.
> +- sh-eth,ether-link-active-low: Set link check method.
> +                                When detection of link is treated as active-low,
> +                                set.
> +- sh-eth,edmac-big-endian:      Set big endian for sh_eth dmac.
> +                                It work as little endian when this is not set.
> +- sh-etn,needs-init:            Initialization flag.
> +                                When initialize device in probing device, set.

I believe the above still says "sh-etn". Also, it is unclear why you
want this flag at all since it is not used to describe the hardware.

Thanks,

/ magnus


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