linux-kernel - [PATCH v2 4/4] ASoC: simple-card: Add DT documentation for multi-DAI links

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <bc0e25f6c042c8b99c8e83c6876ce0c8f7c3ab36.1394533640.git.moinejf@free.fr>
Date:	Tue, 11 Mar 2014 10:58:33 +0100
From:	Jean-Francois Moine <moinejf@...e.fr>
To:	Mark Brown <broonie@...nel.org>
Cc:	alsa-devel@...a-project.org, devicetree@...r.kernel.org,
	Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>,
	linux-kernel@...r.kernel.org, Xiubo Li <Li.Xiubo@...escale.com>
Subject: [PATCH v2 4/4] ASoC: simple-card: Add DT documentation for multi-DAI
 links

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@...e.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@...30000 {
 	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

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/