ASoC: samsung: i2s: Add clk provider DT binding documentation

The new DT properties required for the I2S device node to be referred
as a clock provider and corresponding clock indices definition is added.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 8 insertions, 0 deletions

diff --git a/include/dt-bindings/sound/samsung-i2s.h b/include/dt-bindings/sound/samsung-i2s.h
new file mode 100644
index 000000000000..0c69818d530c
--- /dev/null
+++ b/include/dt-bindings/sound/samsung-i2s.h
@@ -0,0 +1,8 @@
+#ifndef _DT_BINDINGS_SAMSUNG_I2S_H
+#define _DT_BINDINGS_SAMSUNG_I2S_H
+
+#define CLK_I2S_CDCLK           0
+#define CLK_I2S_RCLK_SRC        1
+#define CLK_I2S_RCLK_PSR        2
+
+#endif /* _DT_BINDINGS_SAMSUNG_I2S_H */