From: Anatolij Gustschin <agust@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] omap: TWL4030 Bump VMMC1 interface voltage from 3V to 3.15V
Date: Tue, 6 Dec 2011 21:16:47 +0100 [thread overview]
Message-ID: <20111206211647.728cd426@wker> (raw)
In-Reply-To: <1317228436-4606-1-git-send-email-ash@gumstix.com>
On Wed, 28 Sep 2011 09:47:16 -0700
Ash Charles <ash@gumstix.com> wrote:
> MMC interfaces are specified to be 3.3V compatible with an operating
> voltage range of 3.1V to 3.5V for SD cards. This change affects
> hardware using TWL4030 (TPS6595x) PMICs and should improve the
> reliability when communicating with marginally-spec'd MMC devices.
> 3.15V is the highest possible level for this chip. This patch
> has been tested on a Gumstix Overo board.
>
> Signed-off-by: Ash Charles <ash@gumstix.com>
> ---
> drivers/power/twl4030.c | 4 ++--
> include/twl4030.h | 1 +
> 2 files changed, 3 insertions(+), 2 deletions(-)
Applied to u-boot-staging/agust at denx.de. Thanks!
Anatolij
prev parent reply other threads:[~2011-12-06 20:16 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-28 16:47 [U-Boot] [PATCH] omap: TWL4030 Bump VMMC1 interface voltage from 3V to 3.15V Ash Charles
2011-09-30 19:00 ` Steve Sakoman
2011-12-06 20:16 ` Anatolij Gustschin [this message]
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