netdev - Re: [PATCH 04/21] ARM: sun8i: dt: Add DT bindings documentation for Allwinner dwmac-sun8i

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20170216184818.hwexzuqacbemsxo7@lukather>
Date:   Thu, 16 Feb 2017 19:48:18 +0100
From:   Maxime Ripard <maxime.ripard@...e-electrons.com>
To:     Corentin Labbe <clabbe.montjoie@...il.com>
Cc:     peppe.cavallaro@...com, robh+dt@...nel.org, mark.rutland@....com,
        wens@...e.org, linux@...linux.org.uk, catalin.marinas@....com,
        will.deacon@....com, alexandre.torgue@...com,
        netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-sunxi@...glegroups.com
Subject: Re: [PATCH 04/21] ARM: sun8i: dt: Add DT bindings documentation for
 Allwinner dwmac-sun8i

Hi,

On Thu, Feb 16, 2017 at 01:48:42PM +0100, Corentin Labbe wrote:
> This patch adds documentation for Device-Tree bindings for the
> Allwinner dwmac-sun8i driver.
> 
> Signed-off-by: Corentin Labbe <clabbe.montjoie@...il.com>
> ---
>  .../devicetree/bindings/net/dwmac-sun8i.txt        | 86 ++++++++++++++++++++++
>  1 file changed, 86 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/net/dwmac-sun8i.txt
> 
> diff --git a/Documentation/devicetree/bindings/net/dwmac-sun8i.txt b/Documentation/devicetree/bindings/net/dwmac-sun8i.txt
> new file mode 100644
> index 0000000..ac806c6
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/dwmac-sun8i.txt
> @@ -0,0 +1,86 @@
> +* Allwinner sun8i GMAC ethernet controller
> +
> +This device is a platform glue layer for stmmac.
> +Please see stmmac.txt for the other unchanged properties.
> +
> +Required properties:
> +- compatible: should be one of the following string:
> +		"allwinner,sun8i-a83t-emac"
> +		"allwinner,sun8i-h3-emac"
> +		"allwinner,sun50i-a64-emac"
> +- reg: address and length of the register for the device.
> +- interrupts: interrupt for the device
> +- interrupt-names: should be "macirq"
> +- clocks: A phandle to the reference clock for this device
> +- clock-names: should be "stmmaceth"
> +- resets: A phandle to the reset control for this device
> +- reset-names: should be "stmmaceth"
> +- phy-mode: See ethernet.txt
> +- phy-handle: See ethernet.txt
> +- #address-cells: shall be 1
> +- #size-cells: shall be 0
> +- syscon: A phandle to the syscon of the SoC with one of the following
> + compatible string:
> +  - allwinner,sun8i-h3-system-controller
> +  - allwinner,sun8i-a64-system-controller
> +  - allwinner,sun8i-a83t-system-controller
> +
> +Optional properties:
> +- allwinner,tx-delay: TX clock delay chain value. Range value is 0-0x07. Default is 0)
> +- allwinner,rx-delay: RX clock delay chain value. Range value is 0-0x1F. Default is 0)
> +Both delay properties does not have units, there are arbitrary value.
> +The TX/RX clock delay chain settings are board specific and could be found
> +in vendor FEX files.
> +
> +Optional properties for "allwinner,sun8i-h3-emac":
> +- allwinner,leds-active-low: EPHY LEDs are active low
> +
> +Required child node of emac:
> +- mdio bus node: should be named mdio
> +
> +Required properties of the mdio node:
> +- #address-cells: shall be 1
> +- #size-cells: shall be 0
> +
> +The device node referenced by "phy" or "phy-handle" should be a child node
> +of the mdio node. See phy.txt for the generic PHY bindings.
> +
> +Required properties of the phy node with "allwinner,sun8i-h3-emac":
> +- clocks: an extra phandle to the reference clock for the EPHY
> +- resets: an extra phandle to the reset control for the EPHY
> +
> +Required properties for the system controller:
> +- reg: address and length of the register for the device.
> +- compatible: should be "syscon" and one of the following string:
> +		"allwinner,sun8i-h3-system-controller"
> +		"allwinner,sun8i-a64-system-controller"
> +		"allwinner,sun8i-a83t-system-controller"

This should be in a separate binding document.

What does it describe / represent?

Thanks,
Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

Download attachment "signature.asc" of type "application/pgp-signature" (802 bytes)