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authorKuninori Morimoto <kuninori.morimoto.gx@renesas.com>2014-12-17 06:12:02 +0000
committerSimon Horman <horms+renesas@verge.net.au>2015-01-13 11:01:55 +0900
commitd2b541c98f5402ebb49ee1c636ef5bc31462b4ca (patch)
treeee7957c0fbbd68008459e5a7d1945afaf54c3c66 /arch/arm/boot/dts/r8a7791.dtsi
parentad63241cdc328edbb0f879416ea7707bf0997f08 (diff)
ARM: shmobile: r8a7791: tidyup #sound-dai-cells settings
Renesas sound driver needs #sound-dai-cells settings, but, this usage is a little bit confusable. It came from ALSA SoC historical reasons. The sound DAI naming method is different between Single/Multi DAI in the ALSA framework, and it is used for sound card matching. And this #sound-dai-cells has relationship to it. Current SoC dtsi has #sound-dai-cells = <1> as default settings (= it is assuming that board/platform has multi DAI), and board/platform side needs to overwrite it if board/platform was single DAI. This style is more confusable for users. This patch removes SoC side default settings, and force to set it by board/platform side. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Diffstat (limited to 'arch/arm/boot/dts/r8a7791.dtsi')
-rw-r--r--arch/arm/boot/dts/r8a7791.dtsi7
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/r8a7791.dtsi b/arch/arm/boot/dts/r8a7791.dtsi
index 7fdd1a66eac3..002dbc536bd8 100644
--- a/arch/arm/boot/dts/r8a7791.dtsi
+++ b/arch/arm/boot/dts/r8a7791.dtsi
@@ -1381,7 +1381,12 @@
};
rcar_sound: rcar_sound@ec500000 {
- #sound-dai-cells = <1>;
+ /*
+ * #sound-dai-cells is required
+ *
+ * Single DAI : #sound-dai-cells = <0>; <&rcar_sound>;
+ * Multi DAI : #sound-dai-cells = <1>; <&rcar_sound N>;
+ */
compatible = "renesas,rcar_sound-r8a7791", "renesas,rcar_sound-gen2";
reg = <0 0xec500000 0 0x1000>, /* SCU */
<0 0xec5a0000 0 0x100>, /* ADG */