From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thierry Reding Subject: Re: [PATCH 1/5] clk: tegra: fix blink clock rate Date: Mon, 2 Dec 2013 10:37:56 +0100 Message-ID: <20131202093755.GA18060@ulmo.nvidia.com> References: <1384991242-13596-1-git-send-email-swarren@wwwdotorg.org> <20131129152241.GM9712@ulmo.nvidia.com> <529B8C2D.3000300@wwwdotorg.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="J/dobhs11T7y2rNN" Return-path: Content-Disposition: inline In-Reply-To: <529B8C2D.3000300-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org> Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Stephen Warren Cc: Peter De Schrijver , linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Stephen Warren , Prashant Gaikwad , Mike Turquette , linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org List-Id: linux-tegra@vger.kernel.org --J/dobhs11T7y2rNN Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable 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 > >>=20 > >> 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. > >=20 > > How is this related to WiFi? >=20 > 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 --J/dobhs11T7y2rNN Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (GNU/Linux) iQIcBAEBAgAGBQJSnFTzAAoJEN0jrNd/PrOheG0QAMMsg5qfeIm+rjF7/z9s/vTj UbLCtWAYAH6QfzPk+GFZinbBluV3ftlmRoYvDame8NecKcFDmpL3tHC5mtV/RbDn QKV2+JgDaQQBdx7GZOREaM5Hx65hHttyJdYvUJZ4oVlWjB4ENLiXeg1LucXAea7r jELeAgJ6rb0ElYndMQhNhZFHC4AtkdVQO0x/dQTJrRg5bEFz+bAq5DrnhJG3aBrZ kj+uFTWA0V1TOgiDiAJxpnCU3zS1/6ss48LMaSdGqvpB0uhYH6DXx2u52eT4/2xh VhT2C93mS8/3th5nDQWhgIlkXr+SLQEjYWSYz2jaNXRsqLB93z3vry/tt55Jcoa9 x3Vps6pAVLDFYZax8Yf4XEttBv/kp4ntytiIILkswhK5NiwVyzEklg247PC10mLE hIymb80EkidNEt6S3lQvIUmXplwxewsQBWGH9gXMQ3Am9fb2CBHIk1Rw8kA6IbOm b73SAXlFPVeTDmMjJHKVXjob8M2X1t4ndC93z3Le/kCb8dR0q/9EpgZse3LX3QOy 09hOI6UTDSV+pt9giUN7RHXNN3tW8cVLDPJDUPIEsL4l487caS8iFBKC2dSOqwVj t0p4nlDwvFr6uE2JDmLPhgRqFkuABdZvBVVMh9WlHWakOGQdNhBCTP6dmUF8HQPC OSmoAd/3aBke+0ZG353/ =iqIZ -----END PGP SIGNATURE----- --J/dobhs11T7y2rNN--