From: Marek Vasut <marex@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v3] ARM: mxs: allow boards to select DC-DC switching clock source
Date: Sun, 13 Dec 2015 16:41:10 +0100 [thread overview]
Message-ID: <201512131641.10215.marex@denx.de> (raw)
In-Reply-To: <1450004917-30006-1-git-send-email-mhei@heimpold.de>
On Sunday, December 13, 2015 at 12:08:37 PM, Michael Heimpold wrote:
> For some board designs, it might be useful to switch the DC-DC
> clock source to something else rather the default 24 MHz, e.g.
> for EMI reasons.
>
> For this, override the mxs_power_setup_dcdc_clocksource function
> in your board support files.
>
> Example:
> void mxs_power_setup_dcdc_clocksource(void)
> {
> mxs_power_switch_dcdc_clocksource(POWER_MISC_FREQSEL_20MHZ);
> }
>
> Signed-off-by: Michael Heimpold <mhei@heimpold.de>
Acked-by: Marek Vasut <marex@denx.de>
> Cc: Otavio Salvador <otavio@ossystems.com.br>
> Cc: Fabio Estevam <fabio.estevam@freescale.com>
[...]
Best regards,
Marek Vasut
next prev parent reply other threads:[~2015-12-13 15:41 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-13 11:08 [U-Boot] [PATCH v3] ARM: mxs: allow boards to select DC-DC switching clock source Michael Heimpold
2015-12-13 15:41 ` Marek Vasut [this message]
2016-01-03 14:57 ` Stefano Babic
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