From: Benoit Cousson <bcousson@baylibre.com>
To: Nishanth Menon <nm@ti.com>, Tony Lindgren <tony@atomide.com>
Cc: linux-omap@vger.kernel.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] ARM: dts: omap3430-sdp: add dip switch information for MMC operation
Date: Mon, 06 Jan 2014 23:43:23 +0100 [thread overview]
Message-ID: <52CB318B.4030603@baylibre.com> (raw)
In-Reply-To: <1389047853-26375-1-git-send-email-nm@ti.com>
Hi Nishanth,
On 06/01/2014 23:37, Nishanth Menon wrote:
> MMC 8 bit mode operation depends on dip switch setting which is not
> obvious - The current board file has this description. However, with
> removal of the board file in the future, this information will be lost
> and has to be rediscovered.
Thanks for that. I've just applied it.
Regards,
Benoit
> Signed-off-by: Nishanth Menon <nm@ti.com>
> ---
> arch/arm/boot/dts/omap3430-sdp.dts | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/arch/arm/boot/dts/omap3430-sdp.dts b/arch/arm/boot/dts/omap3430-sdp.dts
> index 281914e..cd3d047 100644
> --- a/arch/arm/boot/dts/omap3430-sdp.dts
> +++ b/arch/arm/boot/dts/omap3430-sdp.dts
> @@ -34,6 +34,10 @@
> &mmc1 {
> vmmc-supply = <&vmmc1>;
> vmmc_aux-supply = <&vsim>;
> + /*
> + * S6-3 must be in ON position for 8 bit mode to function
> + * Else, use 4 bit mode
> + */
> bus-width = <8>;
> };
--
Benoît Cousson
BayLibre
Embedded Linux Technology Lab
www.baylibre.com
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WARNING: multiple messages have this Message-ID (diff)
From: bcousson@baylibre.com (Benoit Cousson)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: dts: omap3430-sdp: add dip switch information for MMC operation
Date: Mon, 06 Jan 2014 23:43:23 +0100 [thread overview]
Message-ID: <52CB318B.4030603@baylibre.com> (raw)
In-Reply-To: <1389047853-26375-1-git-send-email-nm@ti.com>
Hi Nishanth,
On 06/01/2014 23:37, Nishanth Menon wrote:
> MMC 8 bit mode operation depends on dip switch setting which is not
> obvious - The current board file has this description. However, with
> removal of the board file in the future, this information will be lost
> and has to be rediscovered.
Thanks for that. I've just applied it.
Regards,
Benoit
> Signed-off-by: Nishanth Menon <nm@ti.com>
> ---
> arch/arm/boot/dts/omap3430-sdp.dts | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/arch/arm/boot/dts/omap3430-sdp.dts b/arch/arm/boot/dts/omap3430-sdp.dts
> index 281914e..cd3d047 100644
> --- a/arch/arm/boot/dts/omap3430-sdp.dts
> +++ b/arch/arm/boot/dts/omap3430-sdp.dts
> @@ -34,6 +34,10 @@
> &mmc1 {
> vmmc-supply = <&vmmc1>;
> vmmc_aux-supply = <&vsim>;
> + /*
> + * S6-3 must be in ON position for 8 bit mode to function
> + * Else, use 4 bit mode
> + */
> bus-width = <8>;
> };
--
Beno?t Cousson
BayLibre
Embedded Linux Technology Lab
www.baylibre.com
next prev parent reply other threads:[~2014-01-06 22:43 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-06 22:37 [PATCH] ARM: dts: omap3430-sdp: add dip switch information for MMC operation Nishanth Menon
2014-01-06 22:37 ` Nishanth Menon
2014-01-06 22:43 ` Benoit Cousson [this message]
2014-01-06 22:43 ` Benoit Cousson
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