[PATCH v2 12/20] ARM: dts: r8a77470: Add audio clocks

[Cao Van Dong <cv-dong@jinso.co.jp>]

Add audio_clk* nodes to dtsi for audio support on the RZ/G1C (r8a77470) SoC.

Signed-off-by: Cao Van Dong <cv-dong@jinso.co.jp>
---
 arch/arm/boot/dts/r8a77470.dtsi | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/arch/arm/boot/dts/r8a77470.dtsi b/arch/arm/boot/dts/r8a77470.dtsi
index 9b65e49..fcf8dd0 100644
--- a/arch/arm/boot/dts/r8a77470.dtsi
+++ b/arch/arm/boot/dts/r8a77470.dtsi
@@ -27,6 +27,27 @@
 		vin1 = &vin1;
 	};
 
+	/*
+	 * The external audio clocks are configured as 0 Hz fixed frequency
+	 * clocks by default.
+	 * Boards that provide audio clocks should override them.
+	 */
+	audio_clk_a: audio_clk_a {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <0>;
+	};
+	audio_clk_b: audio_clk_b {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <0>;
+	};
+	audio_clk_c: audio_clk_c {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <0>;
+	};
+
 	cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;
-- 
2.7.4