From: Nicolin Chen <nicoleotsuka@gmail.com> To: "Łukasz Majewski" <lukma@denx.de> Cc: Fabio Estevam <fabio.estevam@nxp.com>, Timur Tabi <timur@tabi.org>, Xiubo Li <Xiubo.Lee@gmail.com>, Liam Girdwood <lgirdwood@gmail.com>, Mark Brown <broonie@kernel.org>, Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>, "festevam@gmail.com" <festevam@gmail.com>, "alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>, "linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org> Subject: Re: [PATCH] sound: soc: fsl: Do not set DAI sysclk when it is equal to system freq Date: Wed, 6 Sep 2017 12:47:49 -0700 [thread overview] Message-ID: <20170906194748.GA31334@Asurada-Nvidia> (raw) In-Reply-To: <69352458-2e90-a847-2c2f-bba259a32162@denx.de> On Wed, Sep 06, 2017 at 08:35:50PM +0200, Łukasz Majewski wrote: > clocks = <&clks IMX6QDL_CLK_SSI2_IPG>, > <&clks IMX6QDL_CLK_SSI2>; > clock-names = "ipg", "baud"; > >> dailink_master: cpu { > >> sound-dai = <&ssi2>; > >> clock = <&SSSS>; > > If possible I do prefer a solution, which uses only DTS. > Side question - how to refer to baud clock from [1]? Just add a property to this cpu node like: clock = <&clks IMX6QDL_CLK_SSI2>; > >> system-clock-frequency = <XXXX>; This would not be necessary unless you want to specify a clock rate so as to override the clock rate configuration in hw_params(). > >This is the right solution based on current simple-card driver. For > >SSI (having two clocks), you have to specify the baud clock in the > >cpu node like that. I believe this is what the simple-card designer > >expected users to do since the cpu node is the first place that the > >driver tries to look at. > > I will give a shoot the option with adding the ipg clock. No, not ipg clock. You should use the second clock -- baud clock.
WARNING: multiple messages have this Message-ID (diff)
From: Nicolin Chen <nicoleotsuka@gmail.com> To: "Łukasz Majewski" <lukma@denx.de> Cc: "alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>, Timur Tabi <timur@tabi.org>, Xiubo Li <Xiubo.Lee@gmail.com>, "linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>, Takashi Iwai <tiwai@suse.com>, Liam Girdwood <lgirdwood@gmail.com>, Mark Brown <broonie@kernel.org>, Fabio Estevam <fabio.estevam@nxp.com>, "festevam@gmail.com" <festevam@gmail.com>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org> Subject: Re: [PATCH] sound: soc: fsl: Do not set DAI sysclk when it is equal to system freq Date: Wed, 6 Sep 2017 12:47:49 -0700 [thread overview] Message-ID: <20170906194748.GA31334@Asurada-Nvidia> (raw) In-Reply-To: <69352458-2e90-a847-2c2f-bba259a32162@denx.de> On Wed, Sep 06, 2017 at 08:35:50PM +0200, Łukasz Majewski wrote: > clocks = <&clks IMX6QDL_CLK_SSI2_IPG>, > <&clks IMX6QDL_CLK_SSI2>; > clock-names = "ipg", "baud"; > >> dailink_master: cpu { > >> sound-dai = <&ssi2>; > >> clock = <&SSSS>; > > If possible I do prefer a solution, which uses only DTS. > Side question - how to refer to baud clock from [1]? Just add a property to this cpu node like: clock = <&clks IMX6QDL_CLK_SSI2>; > >> system-clock-frequency = <XXXX>; This would not be necessary unless you want to specify a clock rate so as to override the clock rate configuration in hw_params(). > >This is the right solution based on current simple-card driver. For > >SSI (having two clocks), you have to specify the baud clock in the > >cpu node like that. I believe this is what the simple-card designer > >expected users to do since the cpu node is the first place that the > >driver tries to look at. > > I will give a shoot the option with adding the ipg clock. No, not ipg clock. You should use the second clock -- baud clock. _______________________________________________ Alsa-devel mailing list Alsa-devel@alsa-project.org http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
next prev parent reply other threads:[~2017-09-06 19:47 UTC|newest] Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-09-03 11:05 [PATCH] sound: soc: fsl: Do not set DAI sysclk when it is equal to system freq Lukasz Majewski 2017-09-03 12:44 ` Fabio Estevam 2017-09-03 12:44 ` Fabio Estevam 2017-09-03 14:40 ` Łukasz Majewski 2017-09-03 15:29 ` Fabio Estevam 2017-09-03 15:29 ` Fabio Estevam 2017-09-03 15:29 ` Fabio Estevam 2017-09-05 5:20 ` Nicolin Chen 2017-09-05 8:35 ` Łukasz Majewski 2017-09-05 18:11 ` Nicolin Chen 2017-09-05 21:13 ` Łukasz Majewski 2017-09-05 21:13 ` Łukasz Majewski 2017-09-05 22:52 ` Nicolin Chen 2017-09-05 22:52 ` Nicolin Chen 2017-09-06 9:22 ` Łukasz Majewski 2017-09-06 9:22 ` Łukasz Majewski 2017-09-06 17:33 ` Nicolin Chen 2017-09-06 17:33 ` Nicolin Chen 2017-09-06 18:35 ` Łukasz Majewski 2017-09-06 19:47 ` Nicolin Chen [this message] 2017-09-06 19:47 ` Nicolin Chen 2017-09-06 21:18 ` Łukasz Majewski 2017-09-06 21:18 ` Łukasz Majewski 2017-09-07 23:10 ` Łukasz Majewski 2017-09-07 23:10 ` Łukasz Majewski 2017-09-08 0:39 ` Nicolin Chen 2017-09-08 0:39 ` Nicolin Chen 2017-09-05 23:20 ` Fabio Estevam 2017-09-05 23:20 ` Fabio Estevam 2017-09-05 23:20 ` Fabio Estevam 2017-09-06 8:44 ` Łukasz Majewski 2017-09-05 20:14 ` Fabio Estevam 2017-09-05 20:14 ` Fabio Estevam 2017-09-05 21:14 ` Łukasz Majewski 2017-09-05 5:06 ` Nicolin Chen 2017-09-05 7:37 ` Łukasz Majewski 2017-09-05 7:52 ` Nicolin Chen 2017-09-05 8:19 ` Łukasz Majewski 2017-09-05 8:19 ` Łukasz Majewski 2017-09-05 15:15 ` Mark Brown 2017-09-05 15:15 ` Mark Brown 2017-09-05 17:45 ` Nicolin Chen 2017-09-07 13:44 ` Mark Brown 2017-09-07 13:44 ` Mark Brown 2017-09-07 23:03 ` Nicolin Chen
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20170906194748.GA31334@Asurada-Nvidia \ --to=nicoleotsuka@gmail.com \ --cc=Xiubo.Lee@gmail.com \ --cc=alsa-devel@alsa-project.org \ --cc=broonie@kernel.org \ --cc=fabio.estevam@nxp.com \ --cc=festevam@gmail.com \ --cc=lgirdwood@gmail.com \ --cc=linux-kernel@vger.kernel.org \ --cc=linuxppc-dev@lists.ozlabs.org \ --cc=lukma@denx.de \ --cc=perex@perex.cz \ --cc=timur@tabi.org \ --cc=tiwai@suse.com \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.