From mboxrd@z Thu Jan 1 00:00:00 1970 From: sebastian.hesselbarth@gmail.com (Sebastian Hesselbarth) Date: Sun, 01 Sep 2013 11:26:54 +0200 Subject: [PATCH 2/2] ARM: Dove: Add the audio device to the Cubox DT In-Reply-To: <20130831125128.0e3a23c7@armhf> References: <20130828113521.35c53365@armhf> <521DCD80.9010105@gmail.com> <20130831125128.0e3a23c7@armhf> Message-ID: <140d8d8a23f.2784.107cef0f820c2f5d7b7f41463071c310@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Jean-Francois, Sorry for the messy reply, posting from mobile. Can you please try <&si5351 1>, iirc audio ist connected to it. I will also look it up later. Sebastian On August 31, 2013 12:51:28 PM Jean-Francois Moine wrote: > On Wed, 28 Aug 2013 12:14:24 +0200 > Sebastian Hesselbarth wrote: > > > > +&i2s1 { > > > + status = "okay"; > > > + pinctrl-0 = <&pmx_audio1_i2s1_spdifo>; > > > + pinctrl-names = "default"; > > > +}; > > Please also add the external clock connected from si5351. > > Hi Sebastian and Russell, > > I tried it on my Cubox (<&si5351 2>), and I have problems with HDMI > output and some audio streams like webradios with sample rates 32 or > 22.05 kHz. > > According to the Dove specification, the audio controller works with > the samples rates 44.1, 48 and 96 kHz, so, I don't see the usage of the > external clock, except when using the two audio controllers with > different sample rates. > > But, BTW, as the kirkwood-i2 driver is written, this last case does not > work: for 44.1, 48 and 96 kHz, the external clock is never used and > there is only one DCO. > > -- > Ken ar c'henta? | ** Breizh ha Linux atav! ** > Jef | http://moinejf.free.fr/