Message-ID: <874m2eymu3.wl%kuninori.morimoto.gx@renesas.com>
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
To: Stephen Boyd <sboyd@codeaurora.org>
CC: Russell King - ARM Linux <linux@armlinux.org.uk>,
        Rob Herring <robh@kernel.org>,
        Linux-ALSA <alsa-devel@alsa-project.org>,
        Linux-DT <devicetree@vger.kernel.org>,
        Michael Turquette <mturquette@baylibre.com>,
        Linux-Kernel <linux-kernel@vger.kernel.org>,
        Mark Brown <broonie@kernel.org>, <linux-clk@vger.kernel.org>,
        Linux-ARM <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH 3/3] ASoC: simple-card-utils: enable clocks/clock-names/clock-ranges
In-Reply-To: <20161208220901.GN5423@codeaurora.org>
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        <87zikbuezr.wl%kuninori.morimoto.gx@renesas.com>
        <20161208220901.GN5423@codeaurora.org>
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Hi Stephen

> > From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
> > 
> > Current simple-card is supporting this style for clocks
> > 
> > 	sound {
> > 		...
> > 		simple-audio-card,cpu {
> > 			sound-dai = <&xxx>;
> > 			clocks = <&cpu_clock>;
> > 		};
> > 		simple-audio-card,codec {
> > 			sound-dai = <&xxx>;
> > 			clocks = <&codec_clock>;
> > 		};
> > 	};
> > 
> > Now, it can support this style too, because we can use
> > devm_get_clk_from_child() now.
> > 
> > 	sound {
> > 		...
> > 		clocks = <&cpu_clock>, <&codec_clock>;
> > 		clock-names = "cpu", "codec";
> > 		clock-ranges;
> > 		...
> > 		simple-audio-card,cpu {
> > 			sound-dai = <&xxx>;
> > 		};
> > 		simple-audio-card,codec {
> > 			sound-dai = <&xxx>;
> > 		};
> > 	};
> > 
> > Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
> 
> I don't see any reason why we need this patch though. The binding
> works as is, so supporting different styles doesn't seem like a
> good idea to me. Let's just keep what we have? Even if a sub-node
> like cpu or codec gets more than one element in the clocks list
> property, we can make that work by passing a clock-name then
> based on some sort of other knowledge.

OK, thanks. Let's skip this patch.
But I believe this idea/method itself is not wrong (?)