From: Alexandre Belloni <alexandre.belloni-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
To: Alexander Stein
<alexander.stein-93q1YBGzJSMe9JSWTWOYM3xStJ4P+DSV@public.gmane.org>
Cc: Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Pawel Moll <pawel.moll-5wv7dgnIgG8@public.gmane.org>,
Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Russell King <linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org>,
Nicolas Ferre
<nicolas.ferre-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org>,
Jean-Christophe Plagniol-Villard
<plagnioj-sclMFOaUSTBWk0Htik3J/w@public.gmane.org>,
Andrew Victor <linux-PelNFVqkFnVyf+4FbqDuWQ@public.gmane.org>,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: Re: [PATCH 1/1] ARM: at91/dt: sam9x5: Add CAN device nodes
Date: Thu, 2 Oct 2014 12:57:16 +0200 [thread overview]
Message-ID: <20141002105716.GG3907@piout.net> (raw)
In-Reply-To: <1412246294-27370-1-git-send-email-alexander.stein-93q1YBGzJSMe9JSWTWOYM3xStJ4P+DSV@public.gmane.org>
Hi,
On 02/10/2014 at 12:38:14 +0200, Alexander Stein wrote :
> Add the missing CAN devices node including their pin muxing and clocks.
>
> Signed-off-by: Alexander Stein <alexander.stein-93q1YBGzJSMe9JSWTWOYM3xStJ4P+DSV@public.gmane.org>
> ---
> I could actually only test CAN1 due to the hardware I had available. Also
> CAN0 conflicts with DBGU pins, which I had to use.
>
> arch/arm/boot/dts/at91sam9x5.dtsi | 48 +++++++++++++++++++++++++++++++++++++++
> 1 file changed, 48 insertions(+)
>
> diff --git a/arch/arm/boot/dts/at91sam9x5.dtsi b/arch/arm/boot/dts/at91sam9x5.dtsi
> index e1a5c70..0a2164e 100644
> --- a/arch/arm/boot/dts/at91sam9x5.dtsi
> +++ b/arch/arm/boot/dts/at91sam9x5.dtsi
> @@ -763,6 +795,22 @@
> };
> };
>
> + can0 {
> + pinctrl_can0_rx_tx: can0_rx_tx {
> + atmel,pins =
> + <AT91_PIOA 9 AT91_PERIPH_B AT91_PINCTRL_NONE /* PA9 periph B RX */
> + AT91_PIOA 10 AT91_PERIPH_B AT91_PINCTRL_NONE>; /* PA10 periph B TX */
I would stop adding that comment as this is pretty clear that your are
setting PA9 and P10 to periph B. A more useful kind of comment is what
pin it conflicts with. Maybe something like:
<AT91_PIOA 9 AT91_PERIPH_B AT91_PINCTRL_NONE /* CANRX0, conflicts with DRXD */
> + };
> + };
> +
> + can1 {
> + pinctrl_can1_rx_tx: can1_rx_tx {
> + atmel,pins =
> + <AT91_PIOA 6 AT91_PERIPH_B AT91_PINCTRL_NONE /* PA6 periph B RX */
> + AT91_PIOA 5 AT91_PERIPH_B AT91_PINCTRL_NONE>; /* PA5 periph B TX */
ditto
> + };
> + };
> +
> pioA: gpio@fffff400 {
> compatible = "atmel,at91sam9x5-gpio", "atmel,at91rm9200-gpio";
> reg = <0xfffff400 0x200>;
> --
> 2.0.4
>
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
--
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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next prev parent reply other threads:[~2014-10-02 10:57 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-02 10:38 [PATCH 1/1] ARM: at91/dt: sam9x5: Add CAN device nodes Alexander Stein
[not found] ` <1412246294-27370-1-git-send-email-alexander.stein-93q1YBGzJSMe9JSWTWOYM3xStJ4P+DSV@public.gmane.org>
2014-10-02 10:57 ` Alexandre Belloni [this message]
[not found] ` <20141002105716.GG3907-m++hUPXGwpdeoWH0uzbU5w@public.gmane.org>
2014-10-02 11:19 ` [PATCH v2 " Alexander Stein
[not found] ` <1412248785-28269-1-git-send-email-alexander.stein-93q1YBGzJSMe9JSWTWOYM3xStJ4P+DSV@public.gmane.org>
2014-10-06 14:12 ` Alexandre Belloni
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