From: Anton Vorontsov <cbouatmailru@gmail.com>
To: Roy Zang <tie-fei.zang@freescale.com>
Cc: linuxppc-dev@ozlabs.org, akpm@linux-foundation.org,
linux-mmc@vger.kernel.org
Subject: Re: [PATCH 3/3 v2] dts: Add ESDHC weird voltage bits workaround
Date: Mon, 9 Aug 2010 21:33:20 +0400 [thread overview]
Message-ID: <20100809173320.GA7665@oksana.dev.rtsoft.ru> (raw)
In-Reply-To: <1280805072-26112-3-git-send-email-tie-fei.zang@freescale.com>
On Tue, Aug 03, 2010 at 11:11:12AM +0800, Roy Zang wrote:
> P4080 ESDHC controller does not support 1.8V and 3.0V voltage. but the
> host controller capabilities register wrongly set the bits.
> This patch adds the workaround to correct the weird voltage setting bits.
> Only 3.3V voltage is supported for P4080 ESDHC controller.
>
> Signed-off-by: Roy Zang <tie-fei.zang@freescale.com>
Acked-by: Anton Vorontsov <cbouatmailru@gmail.com>
Btw, where is implementation for the voltage-ranges handling?
> ---
> arch/powerpc/boot/dts/p4080ds.dts | 1 +
> 1 files changed, 1 insertions(+), 0 deletions(-)
>
> diff --git a/arch/powerpc/boot/dts/p4080ds.dts b/arch/powerpc/boot/dts/p4080ds.dts
> index efa0091..2f0de24 100644
> --- a/arch/powerpc/boot/dts/p4080ds.dts
> +++ b/arch/powerpc/boot/dts/p4080ds.dts
> @@ -280,6 +280,7 @@
> reg = <0x114000 0x1000>;
> interrupts = <48 2>;
> interrupt-parent = <&mpic>;
> + voltage-ranges = <3300 3300>;
> sdhci,auto-cmd12;
> };
>
> --
> 1.5.6.5
next prev parent reply other threads:[~2010-08-09 17:33 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-03 3:11 [PATCH 1/3 v2] sdhci: Add auto CMD12 support for eSDHC driver Roy Zang
2010-08-03 3:11 ` [PATCH 2/3 v2] dts: Add sdhci,auto-cmd12 field for p4080 device tree Roy Zang
2010-08-03 3:11 ` [PATCH 3/3 v2] dts: Add ESDHC weird voltage bits workaround Roy Zang
2010-08-09 17:33 ` Anton Vorontsov [this message]
2010-08-05 0:08 ` [PATCH 2/3 v2] dts: Add sdhci, auto-cmd12 field for p4080 device tree Grant Likely
2010-08-09 17:36 ` [PATCH 2/3 v2] dts: Add sdhci,auto-cmd12 " Anton Vorontsov
2010-08-03 23:43 ` [PATCH 1/3 v2] sdhci: Add auto CMD12 support for eSDHC driver Andrew Morton
2010-08-04 2:57 ` Zang Roy-R61911
2010-08-05 1:02 ` Grant Likely
2010-08-05 2:14 ` Zang Roy-R61911
2010-08-09 5:50 ` Grant Likely
2010-08-09 17:43 ` Anton Vorontsov
2010-08-10 10:04 ` Zang Roy-R61911
2010-08-10 9:47 ` Zang Roy-R61911
2010-08-09 18:24 ` Michał Mirosław
2010-08-10 10:07 ` Zang Roy-R61911
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