From: sshtylyov@mvista.com (Sergei Shtylyov)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v4 1/2 (REPOST)] davinci: am18x/da850/omap-l138: add support for higher speed grades
Date: Mon, 20 Dec 2010 13:43:35 +0300 [thread overview]
Message-ID: <4D0F3357.8060905@mvista.com> (raw)
In-Reply-To: <1292840911-16325-1-git-send-email-nsekhar@ti.com>
Hello.
On 20-12-2010 13:28, Sekhar Nori wrote:
> AM18x/DA850/OMAP-L138 SoCs have variants that can operate
> at a maximum of 456 MHz at 1.3V operating point. Also the
> 1.2V operating point has a variant that can support a maximum
> of 375 MHz.
> This patch adds three new OPPs (456 MHz, 408 MHz and 372 MHz)
> to the list of DA850 OPPs.
> Not all silicon is qualified to run at higher speeds and
> unfortunately the maximum speed the chip can support can only
> be determined from the label on the package (not software
> readable).
> Because of this, we depend on the maximum speed grade information
> to be provided to us in some board specific way. The board informs
> the maximum speed grade information to the SoC by calling the
> da850_set_max_speed() function.
This sentence no longer applies. You've reduced the function to a variable.
> Signed-off-by: Sekhar Nori<nsekhar@ti.com>
WBR, Sergei
next prev parent reply other threads:[~2010-12-20 10:43 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-20 10:28 [PATCH v4 1/2 (REPOST)] davinci: am18x/da850/omap-l138: add support for higher speed grades Sekhar Nori
2010-12-20 10:28 ` [PATCH v4 2/2 (REPOST)] davinci: am18x/da850/omap-l138 evm: " Sekhar Nori
2010-12-20 10:43 ` Sergei Shtylyov [this message]
2010-12-20 11:40 ` [PATCH v4 1/2 (REPOST)] davinci: am18x/da850/omap-l138: " Nori, Sekhar
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