[PATCH 1/5] clk: tegra: fix blink clock rate

Thierry Reding thierry.reding at gmail.com
Mon Dec 2 04:37:56 EST 2013


On Sun, Dec 01, 2013 at 12:21:17PM -0700, Stephen Warren wrote:
> On 11/29/2013 08:22 AM, Thierry Reding wrote:
> > On Wed, Nov 20, 2013 at 04:47:18PM -0700, Stephen Warren wrote:
> >> From: Stephen Warren <swarren at nvidia.com>
> >> 
> >> The blink clock rate needs to be configured, or it will run at
> >> ~1Hz rather than the desired 32KHz. If it runs at the wrong rate,
> >> e.g. the SDIO WiFi on Seaboard and Cardhu will fail to be
> >> detected.
> > 
> > How is this related to WiFi?
> 
> The "blink" clock output from Tegra is connected to the WiFi module,
> which then uses it for something; it probably has a PLL connected to
> it that drives all the internal circuitry.

Okay, thanks for explaining.

Thierry
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