ARM: dts: add clock provider information for i2s controllers in Exynos5250

Add clock lookup information for i2s controllers on exynos5250 SoC.
Signed-off-by: Padmavathi Venna <padma.v@samsung.com>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

arch/arm/boot/dts/exynos5250.dtsi

@@ -20,6 +20,8 @@
 #include "skeleton.dtsi"
 #include "exynos5250-pinctrl.dtsi"
 
+#include <dt-bindings/clk/exynos-audss-clk.h>
+
 / {
 	compatible = "samsung,exynos5250";
 	interrupt-parent = <&gic>;
@@ -457,6 +459,10 @@ i2s0: i2s@03830000 {
 			&pdma0 9
 			&pdma0 8>;
 		dma-names = "tx", "rx", "tx-sec";
+		clocks = <&clock_audss EXYNOS_I2S_BUS>,
+			<&clock_audss EXYNOS_I2S_BUS>,
+			<&clock_audss EXYNOS_SCLK_I2S>;
+		clock-names = "iis", "i2s_opclk0", "i2s_opclk1";
 		samsung,supports-6ch;
 		samsung,supports-rstclr;
 		samsung,supports-secdai;
@@ -471,6 +477,8 @@ i2s1: i2s@12D60000 {
 		dmas = <&pdma1 12
 			&pdma1 11>;
 		dma-names = "tx", "rx";
+		clocks = <&clock 307>, <&clock 157>;
+		clock-names = "iis", "i2s_opclk0";
 		pinctrl-names = "default";
 		pinctrl-0 = <&i2s1_bus>;
 	};
@@ -481,6 +489,8 @@ i2s2: i2s@12D70000 {
 		dmas = <&pdma0 12
 			&pdma0 11>;
 		dma-names = "tx", "rx";
+		clocks = <&clock 308>, <&clock 158>;
+		clock-names = "iis", "i2s_opclk0";
 		pinctrl-names = "default";
 		pinctrl-0 = <&i2s2_bus>;
 	};