linux-kernel - Re: [PATCH RESEND 1/5] dt-bindings: net: add bitfield defines for Ethernet speeds

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Message-ID: <20220517203508.GA1587170-robh@kernel.org>
Date:   Tue, 17 May 2022 15:35:08 -0500
From:   Rob Herring <robh@...nel.org>
To:     Rafał Miłecki <zajec5@...il.com>
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Pavel Machek <pavel@....cz>,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Hauke Mehrtens <hauke@...ke-m.de>,
        Jacek Anaszewski <jacek.anaszewski@...il.com>,
        devicetree@...r.kernel.org, netdev@...r.kernel.org,
        linux-leds@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org,
        bcm-kernel-feedback-list@...adcom.com, ansuelsmth@...il.com,
        andrew@...n.ch, vivien.didelot@...il.com,
        Vladimir Oltean <olteanv@...il.com>,
        Jonathan Corbet <corbet@....net>,
        John Crispin <john@...ozen.org>, linux-doc@...r.kernel.org,
        Rafał Miłecki <rafal@...ecki.pl>
Subject: Re: [PATCH RESEND 1/5] dt-bindings: net: add bitfield defines for
 Ethernet speeds

On Thu, May 05, 2022 at 03:55:08PM +0200, Rafał Miłecki wrote:
> From: Rafał Miłecki <rafal@...ecki.pl>
> 
> This allows specifying multiple Ethernet speeds in a single DT uint32
> value.
> 
> Signed-off-by: Rafał Miłecki <rafal@...ecki.pl>
> ---
>  include/dt-bindings/net/eth.h | 27 +++++++++++++++++++++++++++

ethernet.h

>  1 file changed, 27 insertions(+)
>  create mode 100644 include/dt-bindings/net/eth.h
> 
> diff --git a/include/dt-bindings/net/eth.h b/include/dt-bindings/net/eth.h
> new file mode 100644
> index 000000000000..89caff09179b
> --- /dev/null
> +++ b/include/dt-bindings/net/eth.h
> @@ -0,0 +1,27 @@
> +/* SPDX-License-Identifier: GPL-2.0-only */

Dual license

> +/*
> + * Device Tree constants for the Ethernet
> + */
> +
> +#ifndef _DT_BINDINGS_ETH_H
> +#define _DT_BINDINGS_ETH_H
> +
> +#define SPEED_UNSPEC		0
> +#define SPEED_10		(1 << 0)
> +#define SPEED_100		(1 << 1)
> +#define SPEED_1000		(1 << 2)
> +#define SPEED_2000		(1 << 3)
> +#define SPEED_2500		(1 << 4)
> +#define SPEED_5000		(1 << 5)
> +#define SPEED_10000		(1 << 6)
> +#define SPEED_14000		(1 << 7)
> +#define SPEED_20000		(1 << 8)
> +#define SPEED_25000		(1 << 9)
> +#define SPEED_40000		(1 << 10)
> +#define SPEED_50000		(1 << 11)
> +#define SPEED_56000		(1 << 12)
> +#define SPEED_100000		(1 << 13)
> +#define SPEED_200000		(1 << 14)
> +#define SPEED_400000		(1 << 15)

These should probably have some namespace. ETH_*?
> +
> +#endif
> -- 
> 2.34.1
> 
>