[PATCH 1/5] arm64: renesas: r8a7796: Add external audio clocks

[Geert Uytterhoeven <geert+renesas-gXvu3+zWzMSzQB+pC5nmwQ@public.gmane.org>]

Add the external audio clocks as zero Hz fixed-frequency clocks.
Boards that provide these clocks should override them.

Based on commit 623197b90c7aa97c ("arm64: renesas: r8a7795: Sound SSI
PIO support").

Signed-off-by: Geert Uytterhoeven <geert+renesas-gXvu3+zWzMSzQB+pC5nmwQ@public.gmane.org>
---
 arch/arm64/boot/dts/renesas/r8a7796.dtsi | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r8a7796.dtsi b/arch/arm64/boot/dts/renesas/r8a7796.dtsi
index 2ec1ed5f499165ad..101cd41d693a7ab5 100644
--- a/arch/arm64/boot/dts/renesas/r8a7796.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a7796.dtsi
@@ -120,6 +120,29 @@
 		clock-frequency = <0>;
 	};
 
+	/*
+	 * 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>;
+	};
+
 	/* External CAN clock - to be overridden by boards that provide it */
 	can_clk: can {
 		compatible = "fixed-clock";
-- 
2.7.4

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