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authorSylwester Nawrocki <s.nawrocki@samsung.com>2018-02-12 17:15:38 +0100
committerMark Brown <broonie@kernel.org>2018-02-14 12:10:23 +0000
commit3f0c43e60d19e1c126ddad47c77a5e1036e52378 (patch)
treec184259ae1d722752533adf9703a2f598872702c
parent8d1513cef51a11dcf8ccb89d089515483a5ad397 (diff)
downloadlinux-3f0c43e60d19e1c126ddad47c77a5e1036e52378.tar.bz2
ASoC: samsung: Add missing #sound-dai-cells property documentation
The #sound-dai-cells property might be helpful in selecting primary or secondary CPU DAI and it's already present in i2s nodes for some exynos SoCs so let's add it to the DT binding documentation. Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Acked-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Mark Brown <broonie@kernel.org>
-rw-r--r--Documentation/devicetree/bindings/sound/samsung-i2s.txt2
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/samsung-i2s.txt b/Documentation/devicetree/bindings/sound/samsung-i2s.txt
index c1f508f18ac8..a88cb00fa096 100644
--- a/Documentation/devicetree/bindings/sound/samsung-i2s.txt
+++ b/Documentation/devicetree/bindings/sound/samsung-i2s.txt
@@ -60,6 +60,7 @@ Optional SoC Specific Properties:
sub system(used in secondary sound source).
- pinctrl-0: Should specify pin control groups used for this controller.
- pinctrl-names: Should contain only one value - "default".
+- #sound-dai-cells: should be 1.
Example:
@@ -79,4 +80,5 @@ i2s0: i2s@3830000 {
samsung,idma-addr = <0x03000000>;
pinctrl-names = "default";
pinctrl-0 = <&i2s0_bus>;
+ #sound-dai-cells = <1>;
};