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Diffstat (limited to 'dts/include/dt-bindings/sound/samsung-i2s.h')
-rw-r--r--dts/include/dt-bindings/sound/samsung-i2s.h12
1 files changed, 9 insertions, 3 deletions
diff --git a/dts/include/dt-bindings/sound/samsung-i2s.h b/dts/include/dt-bindings/sound/samsung-i2s.h
index 77545f14c3..250de0d6c7 100644
--- a/dts/include/dt-bindings/sound/samsung-i2s.h
+++ b/dts/include/dt-bindings/sound/samsung-i2s.h
@@ -2,8 +2,14 @@
#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
+#define CLK_I2S_CDCLK 0 /* the CDCLK (CODECLKO) gate clock */
+
+#define CLK_I2S_RCLK_SRC 1 /* the RCLKSRC mux clock (corresponding to
+ * RCLKSRC bit in IISMOD register)
+ */
+
+#define CLK_I2S_RCLK_PSR 2 /* the RCLK prescaler divider clock
+ * (corresponding to the IISPSR register)
+ */
#endif /* _DT_BINDINGS_SAMSUNG_I2S_H */