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From: Jean-Francois Moine <moinejf@free.fr>
To: Mark Brown <broonie@kernel.org>
Cc: alsa-devel@alsa-project.org, devicetree@vger.kernel.org,
	Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>,
	linux-kernel@vger.kernel.org, Xiubo Li <Li.Xiubo@freescale.com>
Subject: [PATCH v3 4/4] ASoC: simple-card: Add DT documentation for multi-DAI links
Date: Sat, 15 Mar 2014 12:30:05 +0100
Message-ID: <d054780a0edf4b2338a52e48bff9144e19aa614f.1394883134.git.moinejf@free.fr> (raw)
In-Reply-To: <cover.1394883134.git.moinejf@free.fr>

There may be many couples of CPU/CODEC DAI links.
The example 2 is extracted from the Cubox DT.

Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
---
 .../devicetree/bindings/sound/simple-card.txt      | 34 +++++++++++++++++++++-
 1 file changed, 33 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/sound/simple-card.txt b/Documentation/devicetree/bindings/sound/simple-card.txt
index b30c222..a872e7b 100644
--- a/Documentation/devicetree/bindings/sound/simple-card.txt
+++ b/Documentation/devicetree/bindings/sound/simple-card.txt
@@ -26,6 +26,9 @@ Required subnodes:
 - simple-audio-card,cpu			: CPU   sub-node
 - simple-audio-card,codec		: CODEC sub-node
 
+  There may be one or many couples (simple-audio-card,cpu, simple-audio-card,codec)
+  (see example 2).
+
 Required CPU/CODEC subnodes properties:
 
 - sound-dai				: phandle and port of CPU/CODEC
@@ -43,7 +46,7 @@ Optional CPU/CODEC subnodes properties:
 					  clock node (= common clock), or "system-clock-frequency"
 					  (if system doens't support common clock)
 
-Example:
+Example 1:
 
 sound {
 	compatible = "simple-audio-card";
@@ -88,3 +91,32 @@ sh_fsi2: sh_fsi2@ec230000 {
 	interrupt-parent = <&gic>;
 	interrupts = <0 146 0x4>;
 };
+
+Example 2:
+
+sound {
+	compatible = "simple-audio-card";
+	simple-audio-card,name = "Cubox Audio";
+
+	simple-audio-card,cpu@0 {		/* I2S - HDMI */
+		sound-dai = <&audio1 0>;
+		format = "i2s";
+	};
+	simple-audio-card,codec@0 {
+		sound-dai = <&tda998x 0>;
+	};
+
+	simple-audio-card,cpu@1 {		/* S/PDIF - HDMI */
+		sound-dai = <&audio1 1>;
+	};
+	simple-audio-card,codec@1 {
+		sound-dai = <&tda998x 1>;
+	};
+
+	simple-audio-card,cpu@2 {		/* S/PDIF - S/PDIF */
+		sound-dai = <&audio1 1>;
+	};
+	simple-audio-card,codec@2 {
+		sound-dai = <&spdif_codec>;
+	};
+};
-- 
1.9.0

       reply index

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <cover.1394883134.git.moinejf@free.fr>
2014-03-15 11:30 ` Jean-Francois Moine [this message]
     [not found]   ` <d054780a0edf4b2338a52e48bff9144e19aa614f.1394883134.git.moinejf-GANU6spQydw@public.gmane.org>
2014-03-17 10:19     ` [alsa-devel] " Jyri Sarha
2014-03-17 16:43     ` Mark Brown
2014-03-18  8:17       ` Jean-Francois Moine
2014-03-18 10:41         ` Mark Brown
2014-03-19 10:08         ` Jyri Sarha
     [not found]           ` <53296CB7.1000909-l0cyMroinI0@public.gmane.org>
2014-03-19 13:46             ` Mark Brown
2014-03-19 18:32               ` Jyri Sarha
2014-03-19 19:14                 ` Mark Brown
2014-03-19 16:07             ` Jean-Francois Moine
2014-03-19 18:51             ` [alsa-devel] " Lars-Peter Clausen
2014-03-19 19:15               ` Jyri Sarha
     [not found]                 ` <5329ECC2.7040803-l0cyMroinI0@public.gmane.org>
2014-03-19 19:21                   ` Mark Brown
     [not found]                     ` <20140319192157.GW11706-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2014-03-19 19:31                       ` Lars-Peter Clausen
     [not found]                         ` <5329F0A1.8020801-Qo5EllUWu/uELgA04lAiVw@public.gmane.org>
2014-03-20 11:24                           ` Jyri Sarha

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